慢病毒的滴度提高型转移质粒的制作方法

文档序号:21501678发布日期:2020-07-14 17:39阅读:172来源:国知局
慢病毒的滴度提高型转移质粒的制作方法

本发明涉及生物技术领域,具体地,本发明涉及分离的核酸、转移质粒、病毒包装试剂盒以及包装病毒的方法。



背景技术:

目前,慢病毒作为一种基因递送载体,被广泛的应用于对各种疾病进行基因治疗,如car-t制备、造血干细胞基因转导。

慢病毒的生产工艺流程一般包括:①质粒(包括1个转移质粒和辅助质粒)提取和纯化→②质粒共转染293t或293f细胞→③收集病毒上清→④纯化、浓缩、无菌→⑤得到可供基因治疗使用的慢病毒。

现有的技术中,步骤③中得到的慢病毒生产初始滴度低、经步骤⑤得到的可供使用的慢病毒收率也极低(仅20%左右);而步骤②中是采用瞬时转染的方式,生产成本高,且体系扩大难度极大。这些都导致单批次慢病毒产量十分有限,无法满足高病毒载体用量适应症的治疗需求。

因此,迫切需要开发出新的提高慢病毒产量的技术。



技术实现要素:

本发明旨在至少在一定程度上解决相关技术中的技术问题之一。

为此,在本发明的第一方面,本发明提出了一种分离的核酸。根据本发明的实施例,所述核酸具有x1x2tax5x6x7tx9所示的核苷酸序列,其中,x1为a或g;x2为t或c;x5为a或g;x6为c或t;x7为t或缺失;x9为t或g;但不具有gttaacttt所示的核苷酸序列。根据本发明实施例的分离的核酸位于慢病毒包装转移质粒的cppt/cts元件的5’端及5’上游,具有上述分离的核酸的转移质粒进入细胞核效率大幅提高,所包装出的病毒的滴度大幅提高。

根据本发明的实施例,上述核酸还可以进一步包括如下附加技术特征至少之一:

根据本发明的实施例,具有actagttg所示的核苷酸序列。具有actagttg所示的核苷酸序列的核酸的转移质粒所包装出的病毒滴度提高显著。

在本发明的第二方面,本发明提出了一种转移质粒。根据本发明的实施例,所述转移质粒携带前面所述的核酸。根据本发明实施例的转移质粒所包装出的病毒的滴度得到显著提高,相比于现有技术,病毒滴度至少可提高1.3倍。

根据本发明的实施例,上述转移质粒还可以包括如下附加技术特征至少之一:

根据本发明的实施例,位于所述转移质粒中cppt/cts元件的5’端及5’端上游。

根据本发明的实施例,所述核酸位于所述转移质粒中cppt/cts元件的5’端2~5bp及5’端上游4~8bp范围内,优选地,所述核酸位于所述转移质粒中cppt/cts元件的5’端3bp及5’端上游6bp范围内。

根据本发明的实施例,所述转移质粒具有seqidno:1所示的核苷酸序列。

gggtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcagtggcgcccgaacagggacttgaaagcgaaagggaaaccagaggagctctctcgacgcaggactcggcttgctgaagcgcgcacggcaagaggcgaggggcggcgactggtgagtacgccaaaaattttgactagcggaggctagaaggagagagatgggtgcgagagcgtcagtattaagcgggggagaattagatcgcgatgggaaaaaattcggttaaggccagggggaaagaaaaaatataaattaaaacatatagtatgggcaagcagggagctagaacgattcgcagttaatcctggcctgttagaaacatcagaaggctgtagacaaatactgggacagctacaaccatcccttcagacaggatcagaagaacttagatcattatataatacagtagcaaccctctattgtgtgcatcaaaggatagagataaaagacaccaaggaagctttagacaagatagaggaagagcaaaacaaaagtaagaccaccgcacagcaagcggccgctgatcttcagacctggaggaggagatatgagggacaattggagaagtgaattatataaatataaagtagtaaaaattgaaccattaggagtagcacccaccaaggcaaagagaagagtggtgcagagagaaaaaagagcagtgggaataggagctttgttccttgggttcttgggagcagcaggaagcactatgggcgcagcgtcaatgacgctgacggtacaggccagacaattattgtctggtatagtgcagcagcagaacaatttgctgagggctattgaggcgcaacagcatctgttgcaactcacagtctggggcatcaagcagctccaggcaagaatcctggctgtggaaagatacctaaaggatcaacagctcctggggatttggggttgctctggaaaactcatttgcaccactgctgtgccttggaatgctagttggagtaataaatctctggaacagatttggaatcacacgacctggatggagtgggacagagaaattaacaattacacaagcttaatacactccttaattgaagaatcgcaaaaccagcaagaaaagaatgaacaagaattattggaattagataaatgggcaagtttgtggaattggtttaacataacaaattggctgtggtatataaaattattcataatgatagtaggaggcttggtaggtttaagaatagtttttgctgtactttctatagtgaatagagttaggcagggatattcaccattatcgtttcagacccacctcccaaccccgaggggacccgacaggcccgaaggaatagaagaagaaggtggagagagagacagagacagatccattcgattagtgaacggatctcgacggtatcgactagttgtaaaagaaaaggggggattggggggtacagtgcaggggaaagaatagtagacataatagcaacagacatacaaactaaagaattacaaaaacaaattacaaaattcaaaattttatcgataagcttgggagttccgcgttacataacttacggtaaatggcccgcctggctgaccgcccaacgacccccgcccattgacgtcaataatgacgtatgttcccatagtaacgccaatagggactttccattgacgtcaatgggtggagtatttacggtaaactgcccacttggcagtacatcaagtgtatcatatgccaagtacgccccctattgacgtcaatgacggtaaatggcccgcctggcattatgcccagtacatgaccttatgggactttcctacttggcagtacatctacgtattagtcatcgctattaccatggtgatgcggttttggcagtacatcaatgggcgtggatagcggtttgactcacggggatttccaagtctccaccccattgacgtcaatgggagtttgttttggcaccaaaatcaacgggactttccaaaatgtcgtaacaactccgccccattgacgcaaatgggcggtaggcgtgtacggtgggaggtctatataagcagagctcgtttagtgaaccgtcagatcgcctggagacgccatccacgctgttttgacctccatagaagacaccgactctagaggatccgccgccaccatggtgagcaagggcgaggaggataacatggccatcatcaaggagttcatgcgcttcaaggtgcacatggagggctccgtgaacggccacgagttcgagatcgagggcgagggcgagggccgcccctacgagggcacccagaccgccaagctgaaggtgaccaagggtggccccctgcccttcgcctgggacatcctgtcccctcagttcatgtacggctccaaggcctacgtgaagcaccccgccgacatccccgactacttgaagctgtccttccccgagggcttcaagtgggagcgcgtgatgaacttcgaggacggcggcgtggtgaccgtgacccaggactcctccctgcaggacggcgagttcatctacaaggtgaagctgcgcggcaccaacttcccctccgacggccccgtaatgcagaagaagaccatgggctgggaggcctcctccgagcggatgtaccccgaggacggcgccctgaagggcgagatcaagcagaggctgaagctgaaggacggcggccactacgacgctgaggtcaagaccacctacaaggccaagaagcccgtgcagctgcccggcgcctacaacgtcaacatcaagttggacatcacctcccacaacgaggactacaccatcgtggaacagtacgaacgcgccgagggccgccactccaccggcggcatggacgagctgtacaagtaagtcgacaatcaacctctggattacaaaatttgtgaaagattgactggtattcttaactatgttgctccttttacgctatgtggatacgctgctttaatgcctttgtatcatgctattgcttcccgtatggctttcattttctcctccttgtataaatcctggttgctgtctctttatgaggagttgtggcccgttgtcaggcaacgtggcgtggtgtgcactgtgtttgctgacgcaacccccactggttggggcattgccaccacctgtcagctcctttccgggactttcgctttccccctccctattgccacggcggaactcatcgccgcctgccttgcccgctgctggacaggggctcggctgttgggcactgacaattccgtggtgttgtcggggaagctgacgtcctttccatggctgctcgcctgtgttgccacctggattctgcgcgggacgtccttctgctacgtcccttcggccctcaatccagcggaccttccttcccgcggcctgctgccggctctgcggcctcttccgcgtcttcgccttcgccctcagacgagtcggatctccctttgggccgcctccccgcctggaattcgagctcggtacctttaagaccaatgacttacaaggcagctgtagatcttagccactttttaaaagaaaaggggggactggaagggctaattcactcccaacgaagacaagatctgctttttgcttgtactgggtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcagtagtagttcatgtcatcttattattcagtatttataacttgcaaagaaatgaatatcagagagtgagaggaacttgtttattgcagcttataatggttacaaataaagcaatagcatcacaaatttcacaaataaagcatttttttcactgcattctagttgtggtttgtccaaactcatcaatgtatcttatcatgtctggctctagctatcccgcccctaactccgcccatcccgcccctaactccgcccagttccgcccattctccgccccatggctgactaattttttttatttatgcagaggccgaggccgcctcggcctctgagctattccagaagtagtgaggaggcttttttggaggcctagggacgtacccaattcgccctatagtgagtcgtattacgcgcgctcactggccgtcgttttacaacgtcgtgactgggaaaaccctggcgttacccaacttaatcgccttgcagcacatccccctttcgccagctggcgtaatagcgaagaggcccgcaccgatcgcccttcccaacagttgcgcagcctgaatggcgaatgggacgcgccctgtagcggcgcattaagcgcggcgggtgtggtggttacgcgcagcgtgaccgctacacttgccagcgccctagcgcccgctcctttcgctttcttcccttcctttctcgccacgttcgccggctttccccgtcaagctctaaatcgggggctccctttagggttccgatttagtgctttacggcacctcgaccccaaaaaacttgattagggtgatggttcacgtagtgggccatcgccctgatagacggtttttcgccctttgacgttggagtccacgttctttaatagtggactcttgttccaaactggaacaacactcaaccctatctcggtctattcttttgatttataagggattttgccgatttcggcctattggttaaaaaatgagctgatttaacaaaaatttaacgcgaattttaacaaaatattaacgcttacaatttaggtggcacttttcggggaaatgtgcgcggaac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根据本发明实施例的上述具有seqidno:1所示核苷酸序列的转移质粒所包装出的病毒,相比于现有技术,病毒滴度可提高1.3~1.5倍。

根据本发明的实施例,所述转移质粒包含rsv启动子区和hiv-15’ltr区,所述启动子区与hiv-15’ltr区可操作地连接,所述hiv-15’ltr区的5’端具有单个鸟甘酸。根据本发明实施例的转移质粒的hiv-15’ltr区位于hiv-1基因组的5’端,而单个鸟嘌呤rna更加倾向于形成二聚体grna结构,被包裹入病毒颗粒中,形成成熟的病毒颗粒,2个和3个鸟嘌呤的rna则更倾向于作为mrna招募核糖体等进行翻译。根据本发明实施例的转移质粒,相比于现有技术,会产生更多的包装有grna的完整病毒颗粒,进一步提高慢病毒初始产物的生物滴度。

根据本发明的实施例,所述转移质粒具有seqidno:2所示的核苷酸序列。

gtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcagtggcgcccgaacagggacttgaaagcgaaagggaaaccagaggagctctctcgacgcaggactcggcttgctgaagcgcgcacggcaagaggcgaggggcggcgactggtgagtacgccaaaaattttgactagcggaggctagaaggagagagatgggtgcgagagcgtcagtattaagcgggggagaattagatcgcgatgggaaaaaattcggttaaggccagggggaaagaaaaaatataaattaaaacatatagtatgggcaagcagggagctagaacgattcgcagttaatcctggcctgttagaaacatcagaaggctgtagacaaatactgggacagctacaaccatcccttcagacaggatcagaagaacttagatcattatataatacagtagcaaccctctattgtgtgcatcaaaggatagagataaaagacaccaaggaagctttagacaagatagaggaagagcaaaacaaaagtaagaccaccgcacagcaagcggccgctgatcttcagacctggaggaggagatatgagggacaattggagaagtgaattatataaatataaagtagtaaaaattgaaccattaggagtagcacccaccaaggcaaagagaagagtggtgcagagagaaaaaagagcagtgggaataggagctttgttccttgggttcttgggagcagcaggaagcactatgggcgcagcgtcaatgacgctgacggtacaggccagacaattattgtctggtatagtgcagcagcagaacaatttgctgagggctattgaggcgcaacagcatctgttgcaactcacagtctggggcatcaagcagctccaggcaagaatcctggctgtggaaagatacctaaaggatcaacagctcctggggatttggggttgctctggaaaactcatttgcaccactgctgtgccttggaatgctagttggagtaataaatctctggaacagatttggaatcacacgacctggatggagtgggacagagaaattaacaattacacaagcttaatacactccttaattgaagaatcgcaaaaccagcaagaaaagaatgaacaagaattattggaattagataaatgggcaagtttgtggaattggtttaacataacaaattggctgtggtatataaaattattcataatgatagtaggaggcttggtaggtttaagaatagtttttgctgtactttctatagtgaatagagttaggcagggatattcaccattatcgtttcagacccacctcccaaccccgaggggacccgacaggcccgaaggaatagaagaagaaggtggagagagagacagagacagatccattcgattagtgaacggatctcgacggtatcgactagttgtaaaagaaaaggggggattggggggtacagtgcaggggaaagaatagtagacataatagcaacagacatacaaactaaagaattacaaaaacaaattacaaaattcaaaattttatcgataagcttgggagttccgcgttacataacttacggtaaatggcccgcctggctgaccgcccaacgacccccgcccattgacgtcaataatgacgtatgttcccatagtaacgccaatagggactttccattgacgtcaatgggtggagtatttacggtaaactgcccacttggcagtacatcaagtgtatcatatgccaagtacgccccctattgacgtcaatgacggtaaatggcccgcctggcattatgcccagtacatgaccttatgggactttcctacttggcagtacatctacgtattagtcatcgctattaccatggtgatgcggttttggcagtacatcaatgggcgtggatagcggtttgactcacggggatttccaagtctccaccccattgacgtcaatgggagtttgttttggcaccaaaatcaacgggactttccaaaatgtcgtaacaactccgccccattgacgcaaatgggcggtaggcgtgtacggtgggaggtctatataagcagagctcgtttagtgaaccgtcagatcgcctggagacgccatccacgctgttttgacctccatagaagacaccgactctagaggatccgccgccaccatggtgagcaagggcgaggaggataacatggccatcatcaaggagttcatgcgcttcaaggtgcacatggagggctccgtgaacggccacgagttcgagatcgagggcgagggcgagggccgcccctacgagggcacccagaccgccaagctgaaggtgaccaagggtggccccctgcccttcgcctgggacatcctgtcccctcagttcatgtacggctccaaggcctacgtgaagcaccccgccgacatccccgactacttgaagctgtccttccccgagggcttcaagtgggagcgcgtgatgaacttcgaggacggcggcgtggtgaccgtgacccaggactcctccctgcaggacggcgagttcatctacaaggtgaagctgcgcggcaccaacttcccctccgacggccccgtaatgcagaagaagaccatgggctgggaggcctcctccgagcggatgtaccccgaggacggcgccctgaagggcgagatcaagcagaggctgaagctgaaggacggcggccactacgacgctgaggtcaagaccacctacaaggccaagaagcccgtgcagctgcccggcgcctacaacgtcaacatcaagttggacatcacctcccacaacgaggactacaccatcgtggaacagtacgaacgcgccgagggccgccactccaccggcggcatggacgagctgtacaagtaagtcgacaatcaacctctggattacaaaatttgtgaaagattgactggtattcttaactatgttgctccttttacgctatgtggatacgctgctttaatgcctttgtatcatgctattgcttcccgtatggctttcattttctcctccttgtataaatcctggttgctgtctctttatgaggagttgtggcccgttgtcaggcaacgtggcgtggtgtgcactgtgtttgctgacgcaacccccactggttggggcattgccaccacctgtcagctcctttccgggactttcgctttccccctccctattgccacggcggaactcatcgccgcctgccttgcccgctgctggacaggggctcggctgttgggcactgacaattccgtggtgttgtcggggaagctgacgtcctttccatggctgctcgcctgtgttgccacctggattctgcgcgggacgtccttctgctacgtcccttcggccctcaatccagcggaccttccttcccgcggcctgctgccggctctgcggcctcttccgcgtcttcgccttcgccctcagacgagtcggatctccctttgggccgcctccccgcctggaattcgagctcggtacctttaagaccaatgacttacaaggcagctgtagatcttagccactttttaaaagaaaaggggggactggaagggctaattcactcccaacgaagacaagatctgctttttgcttgtactgggtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcagtagtagttcatgtcatcttattattcagtatttataacttgcaaagaaatgaatatcagagagtgagaggaacttgtttattgcagcttataatggttacaaataaagcaatagcatcacaaatttcacaaataaagcatttttttcactgcattctagttgtggtttgtccaaactcatcaatgtatcttatcatgtctggctctagctatcccgcccctaactccgcccatcccgcccctaactccgcccagttccgcccattctccgccccatggctgactaattttttttatttatgcagaggccgaggccgcctcggcctctgagctattccagaagtagtgaggaggcttttttggaggcctagggacgtacccaattcgccctatagtgagtcgtattacgcgcgctcactggccgtcgttttacaacgtcgtgactgggaaaaccctggcgttacccaacttaatcgccttgcagcacatccccctttcgccagctggcgtaatagcgaagaggcccgcaccgatcgcccttcccaacagttgcgcagcctgaatggcgaatgggacgcgccctgtagcggcgcattaagcgcggcgggtgtggtggttacgcgcagcgtgaccgctacacttgccagcgccctagcgcccgctcctttcgctttcttcccttcctttctcgccacgttcgccggctttccccgtcaagctctaaatcgggggctccctttagggttccgatttagtgctttacggcacctcgaccccaaaaaacttgattagggtgatggttcacgtagtgggccatcgccctgatagacggtttttcgccctttgacgttggagtccacgttctttaatagtggactcttgttccaaactggaacaacactcaaccctatctcggtctattcttttgatttataagggattttgccgatttcggcctattggttaaaaaatgagctgatttaacaaaaatttaacgcgaattttaacaaaatattaacgcttacaatttaggtggcacttttcggggaaatgtgcgcggaacccctatttgtttatttttctaaatacattcaaatatgtatccgctcatgagacaataaccctgataaatgcttcaataatattgaaaaaggaagagtatgagtattcaacatttccgtgtcgcccttattcccttttttgcggcattttgccttcctgtttttgctcacccagaaacgctggtgaaagtaaaagatgctgaagatcagttgggtgcacgagtgggttacatcgaactggatctcaacagcggtaagatccttgagagttttcgccccgaagaacgttttccaatgatgagcacttttaaagttctgctatgtggcgcggtattatcccgtattgacgccgggcaagagcaactcggtcgccgcatacactattctcagaatgacttggttgagtactcaccagtcacagaaaagcatcttacggatggcatgacagtaagagaattatgcagtgctgccataaccatgagtgataacactgcggccaacttacttctgacaacgatcggaggaccgaaggagctaaccgcttttttgcacaacatgggggatcatgtaactcgccttgatcgttgggaaccggagctgaatgaagccataccaaacgacgagcgtgacaccacgatgcctgtagcaatggcaacaacgttgcgcaaactattaactggcgaactacttactctagcttcccggcaacaattaatagactggatggaggcggataaagttgcaggaccacttctgcgctcggcccttccggctggctggtttattgctgataaatctggagccggtgagcgtgggtctcgcggtatcattgcagcactggggccagatggtaagccctcccgtatcgtagttatctacacgacggggagtcaggcaactatggatgaacgaaatagacagatcgctgagataggtgcctcactgattaagcattggtaactgtcagaccaagtttactcatatatactttagattgatttaaaacttcatttttaatttaaaaggatctaggtgaagatcctttttgataatctcatgaccaaaatcccttaacgtgagttttcgttccactgagcgtcagaccccgtagaaaagatcaaaggatcttcttgagatcctttttttctgcgcgtaatctgctgcttgcaaacaaaaaaaccaccgctaccagcggtggtttgtttgccggatcaagagctaccaactctttttccgaaggtaactggcttcagcagagcgcagataccaaatactgttcttctagtgtagccgtagttaggccaccacttcaagaactctgtagcaccgcctacatacctcgctctgctaatcctgttaccagtggctgctgccagtggcgataagtcgtgtcttaccgggttggactcaagacgatagttaccggataaggcgcagcggtcgggctgaacggggggttcgtgcacacagcccagcttggagcgaacgacctacaccgaactgagatacctacagcgtgagctatgagaaagcgccacgcttcccgaagggagaaaggcggacaggtatccggtaagcggcagggtcggaacaggagagcgcacgagggagcttccagggggaaacgcctggtatctttatagtcctgtcgggtttcgccacctctgacttgagcgtcgatttttgtgatgctcgtcaggggggcggagcctatggaaaaacgccagcaacgcggcctttttacggttcctggccttttgctggccttttgctcacatgttctttcctgcgttatcccctgattctgtggataaccgtattaccgcctttgagtgagctgataccgctcgccgcagccgaacgaccgagcgcagcgagtcagtgagcgaggaagcggaagagcgcccaatacgcaaaccgcctctccccgcgcgttggccgattcattaatgcagctggcacgacaggtttcccgactggaaagcgggcagtgagcgcaacgcaattaatgtgagttagctcactcattaggcaccccaggctttccactttatgcttccggctcgtatgttgtgtggaattgtgagcggataacaatttcacacaggaaacagctatgaccatgattacgccaagcgcgcaattaaccctcactaaagggaacaaaagctggagctgcaagcttaatgtagtcttatgcaatactcttgtagtcttgcaacatggtaacgatgagttagcaacatgccttacaaggagagaaaaagcaccgtgcatgccgattggtggaagtaaggtggtacgatcgtgccttattaggaaggcaacagacgggtctgacatggattggacgaaccactgaattgccgcattgcagagatattgtatttaagtgcctagctcgatacataaac(seqidno:2)。

根据本发明实施例的上述具有seqidno:2所示核苷酸序列的转移质粒所包装出的病毒,相比于现有技术,病毒滴度可提高2-3倍。

在发明的第三方面,本发明提出了一种转移质粒。根据本发明的实施例,相比于野生型plv-mcherry(简称wt),所述转移质粒具有下列突变的至少之一:第1569位碱基由g突变为a;第1570位碱基由t突变为c;第1573位碱基由a突变为g;第1574位碱基由c突变为t;第1575位碱基缺失;第1577位碱基由t突变为g。

根据本发明的实施例,所述plv-mcherry的质粒图谱如图1所示,所述野生型plv-mcherry质粒的核苷酸序列如seqidno:3所示。

gggtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcagtggcgcccgaacagggacttgaaagcgaaagggaaaccagaggagctctctcgacgcaggactcggcttgctgaagcgcgcacggcaagaggcgaggggcggcgactggtgagtacgccaaaaattttgactagcggaggctagaaggagagagatgggtgcgagagcgtcagtattaagcgggggagaattagatcgcgatgggaaaaaattcggttaaggccagggggaaagaaaaaatataaattaaaacatatagtatgggcaagcagggagctagaacgattcgcagttaatcctggcctgttagaaacatcagaaggctgtagacaaatactgggacagctacaaccatcccttcagacaggatcagaagaacttagatcattatataatacagtagcaaccctctattgtgtgcatcaaaggatagagataaaagacaccaaggaagctttagacaagatagaggaagagcaaaacaaaagtaagaccaccgcacagcaagcggccgctgatcttcagacctggaggaggagatatgagggacaattggagaagtgaattatataaatataaagtagtaaaaattgaaccattaggagtagcacccaccaaggcaaagagaagagtggtgcagagagaaaaaagagcagtgggaataggagctttgttccttgggttcttgggagcagcaggaagcactatgggcgcagcgtcaatgacgctgacggtacaggccagacaattattgtctggtatagtgcagcagcagaacaatttgctgagggctattgaggcgcaacagcatctgttgcaactcacagtctggggcatcaagcagctccaggcaagaatcctggctgtggaaagatacctaaaggatcaacagctcctggggatttggggttgctctggaaaactcatttgcaccactgctgtgccttggaatgctagttggagtaataaatctctggaacagatttggaatcacacgacctggatggagtgggacagagaaattaacaattacacaagcttaatacactccttaattgaagaatcgcaaaaccagcaagaaaagaatgaacaagaattattggaattagataaatgggcaagtttgtggaattggtttaacataacaaattggctgtggtatataaaattattcataatgatagtaggaggcttggtaggtttaagaatagtttttgctgtactttctatagtgaatagagttaggcagggatattcaccattatcgtttcagacccacctcccaaccccgaggggacccgacaggcccgaaggaatagaagaagaaggtggagagagagacagagacagatccattcgattagtgaacggatctcgacggtatcggttaacttttaaaagaaaaggggggattggggggtacagtgcaggggaaagaatagtagacataatagcaacagacatacaaactaaagaattacaaaaacaaattacaaaattcaaaattttatcgataagcttgggagttccgcgttacataacttacggtaaatggcccgcctggctgaccgcccaacgacccccgcccattgacgtcaataatgacgtatgttcccatagtaacgccaatagggactttccattgacgtcaatgggtggagtatttacggtaaactgcccacttggcagtacatcaagtgtatcatatgccaagtacgccccctattgacgtcaatgacggtaaatggcccgcctggcattatgcccagtacatgaccttatgggactttcctacttggcagtacatctacgtattagtcatcgctattaccatggtgatgcggttttggcagtacatcaatgggcgtggatagcggtttgactcacggggatttccaagtctccaccccattgacgtcaatgggagtttgttttggcaccaaaatcaacgggactttccaaaatgtcgtaacaactccgccccattgacgcaaatgggcggtaggcgtgtacggtgggaggtctatataagcagagctcgtttagtgaaccgtcagatcgcctggagacgccatccacgctgttttgacctccatagaagacaccgactctagaggatccgccgccaccatggtgagcaagggcgaggaggataacatggccatcatcaaggagttcatgcgcttcaaggtgcacatggagggctccgtgaacggccacgagttcgagatcgagggcgagggcgagggccgcccctacgagggcacccagaccgccaagctgaaggtgaccaagggtggccccctgcccttcgcctgggacatcctgtcccctcagttcatgtacggctccaaggcctacgtgaagcaccccgccgacatccccgactacttgaagctgtccttccccgagggcttcaagtgggagcgcgtgatgaacttcgaggacggcggcgtggtgaccgtgacccaggactcctccctgcaggacggcgagttcatctacaaggtgaagctgcgcggcaccaacttcccctccgacggccccgtaatgcagaagaagaccatgggctgggaggcctcctccgagcggatgtaccccgaggacggcgccctgaagggcgagatcaagcagaggctgaagctgaaggacggcggccactacgacgctgaggtcaagaccacctacaaggccaagaagcccgtgcagctgcccggcgcctacaacgtcaacatcaagttggacatcacctcccacaacgaggactacaccatcgtggaacagtacgaacgcgccgagggccgccactccaccggcggcatggacgagctgtacaagtaagtcgacaatcaacctctggattacaaaatttgtgaaagattgactggtattcttaactatgttgctccttttacgctatgtggatacgctgctttaatgcctttgtatcatgctattgcttcccgtatggctttcattttctcctccttgtataaatcctggttgctgtctctttatgaggagttgtggcccgttgtcaggcaacgtggcgtggtgtgcactgtgtttgctgacgcaacccccactggttggggcattgccaccacctgtcagctcctttccgggactttcgctttccccctccctattgccacggcggaactcatcgccgcctgccttgcccgctgctggacaggggctcggctgttgggcactgacaattccgtggtgttgtcggggaagctgacgtcctttccatggctgctcgcctgtgttgccacctggattctgcgcgggacgtccttctgctacgtcccttcggccctcaatccagcggaccttccttcccgcggcctgctgccggctctgcggcctcttccgcgtcttcgccttcgccctcagacgagtcggatctccctttgggccgcctccccgcctggaattcgagctcggtacctttaagaccaatgacttacaaggcagctgtagatcttagccactttttaaaagaaaaggggggactggaagggctaattcactcccaacgaagacaagatctgctttttgcttgtactgggtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcagtagtagttcatgtcatcttattattcagtatttataacttgcaaagaaatgaatatcagagagtgagaggaacttgtttattgcagcttataatggttacaaataaagcaatagcatcacaaatttcacaaataaagcatttttttcactgcattctagttgtggtttgtccaaactcatcaatgtatcttatcatgtctggctctagctatcccgcccctaactccgcccatcccgcccctaactccgcccagttccgcccattctccgccccatggctgactaattttttttatttatgcagaggccgaggccgcctcggcctctgagctattccagaagtagtgaggaggcttttttggaggcctagggacgtacccaattcgccctatagtgagtcgtattacgcgcgctcactggccgtcgttttacaacgtcgtgactgggaaaaccctggcgttacccaacttaatcgccttgcagcacatccccctttcgccagctggcgtaatagcgaagaggcccgcaccgatcgcccttcccaacagttgcgcagcctgaatggcgaatgggacgcgccctgtagcggcgcattaagcgcggcgggtgtggtggttacgcgcagcgtgaccgctacacttgccagcgccctagcgcccgctcctttcgctttcttcccttcctttctcgccacgttcgccggctttccccgtcaagctctaaatcgggggctccctttagggttccgatttagtgctttacggcacctcgaccccaaaaaacttgattagggtgatggttcacgtagtgggccatcgccctgatagacggtttttcgccctttgacgttggagtccacgttctttaatagtggactcttgttccaaactggaacaacactcaaccctatctcggtctattcttttgatttataagggattttgccgatttcggcctattggttaaaaaatgagctgatttaacaaaaatttaacgcgaattttaacaaaatattaacgcttacaatttaggtggcacttttcggggaaatgtgcgcggaacccctatttgtttatttttctaaatacattcaaatatgtatccgctcatgagacaataaccctgataaatgcttcaataatattgaaaaaggaagagtatgagtattcaacatttccgtgtcgcccttattcccttttttgcggcattttgccttcctgtttttgctcacccagaaacgctggtgaaagtaaaagatgctgaagatcagttgggtgcacgagtgggttacatcgaactggatctcaacagcggtaagatccttgagagttttcgccccgaagaacgttttccaatgatgagcacttttaaagttctgctatgtggcgcggtattatcccgtattgacgccgggcaagagcaactcggtcgccgcatacactattctcagaatgacttggttgagtactcaccagtcacagaaaagcatcttacggatggcatgacagtaagagaattatgcagtgctgccataaccatgagtgataacactgcggccaacttacttctgacaacgatcggaggaccgaaggagctaaccgcttttttgcacaacatgggggatcatgtaactcgccttgatcgttgggaaccggagctgaatgaagccataccaaacgacgagcgtgacaccacgatgcctgtagcaatggcaacaacgttgcgcaaactattaactggcgaactacttactctagcttcccggcaacaattaatagactggatggaggcggataaagttgcaggaccacttctgcgctcggcccttccggctggctggtttattgctgataaatctggagccggtgagcgtgggtctcgcggtatcattgcagcactggggccagatggtaagccctcccgtatcgtagttatctacacgacggggagtcaggcaactatggatgaacgaaatagacagatcgctgagataggtgcctcactgattaagcattggtaactgtcagaccaagtttactcatatatactttagattgatttaaaacttcatttttaatttaaaaggatctaggtgaagatcctttttgataatctcatgaccaaaatcccttaacgtgagttttcgttccactgagcgtcagaccccgtagaaaagatcaaaggatcttcttgagatcctttttttctgcgcgtaatctgctgcttgcaaacaaaaaaaccaccgctaccagcggtggtttgtttgccggatcaagagctaccaactctttttccgaaggtaactggcttcagcagagcgcagataccaaatactgttcttctagtgtagccgtagttaggccaccacttcaagaactctgtagcaccgcctacatacctcgctctgctaatcctgttaccagtggctgctgccagtggcgataagtcgtgtcttaccgggttggactcaagacgatagttaccggataaggcgcagcggtcgggctgaacggggggttcgtgcacacagcccagcttggagcgaacgacctacaccgaactgagatacctacagcgtgagctatgagaaagcgccacgcttcccgaagggagaaaggcggacaggtatccggtaagcggcagggtcggaacaggagagcgcacgagggagcttccagggggaaacgcctggtatctttatagtcctgtcgggtttcgccacctctgacttgagcgtcgatttttgtgatgctcgtcaggggggcggagcctatggaaaaacgccagcaacgcggcctttttacggttcctggccttttgctggccttttgctcacatgttctttcctgcgttatcccctgattctgtggataaccgtattaccgcctttgagtgagctgataccgctcgccgcagccgaacgaccgagcgcagcgagtcagtgagcgaggaagcggaagagcgcccaatacgcaaaccgcctctccccgcgcgttggccgattcattaatgcagctggcacgacaggtttcccgactggaaagcgggcagtgagcgcaacgcaattaatgtgagttagctcactcattaggcaccccaggctttccactttatgcttccggctcgtatgttgtgtggaattgtgagcggataacaatttcacacaggaaacagctatgaccatgattacgccaagcgcgcaattaaccctcactaaagggaacaaaagctggagctgcaagcttaatgtagtcttatgcaatactcttgtagtcttgcaacatggtaacgatgagttagcaacatgccttacaaggagagaaaaagcaccgtgcatgccgattggtggaagtaaggtggtacgatcgtgccttattaggaaggcaacagacgggtctgacatggattggacgaaccactgaattgccgcattgcagagatattgtatttaagtgcctagctcgatacataaac(seqidno:3)。

其中,在seqidno:3中,gggtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcagtggcgcccgaacagggacttgaaagcgaaagggaaaccagaggagctctctcgacgcaggactcggcttgctgaagcgcgcacggcaagaggcgaggggcggcgactggtgagtacgccaaaaattttgactagcggaggctagaaggagagagatgggtgcgagagcgtcagtattaagcgggggagaattagatcgcgatgggaaaaaattcggttaaggccagggggaaagaaaaaatataaattaaaacatatagtatgggcaagcagggagctagaacgattcgcagttaatcctggcctgttagaaacatcagaaggctgtagacaaatactgggacagctacaaccatcccttcagacaggatcagaagaacttagatcattatataatacagtagcaaccctctattgtgtgcatcaaaggatagagataaaagacaccaaggaagctttagacaagatagaggaagagcaaaacaaaagtaaga为第一hiv-1基因组序列(其中,gggtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcag为截短的hiv-15’ltr(i型人免疫缺陷病毒5’端长末端重复序列longterminalrepeatfromhumanimmunodeficiencyvirus-1)区序列,ctctctcgacgcaggactcggcttgctgaagcgcgcacggcaagaggcgaggggcggcgactggtgagtacgccaaaaattttgactagcggaggctagaaggagagagatgggtgcgagagcgtc为病毒包装信号功能域ψ序列,),gatcttcagacctggaggaggagatatgagggacaattggagaagtgaattatataaatataaagtagtaaaaattgaaccattaggagtagcacccaccaaggcaaagagaagagtggtgcagagagaaaaaagagcagtgggaataggagctttgttccttgggttcttgggagcagcaggaagcactatgggcgcagcgtcaatgacgctgacggtacaggccagacaattattgtctggtatagtgcagcagcagaacaatttgctgagggctattgaggcgcaacagcatctgttgcaactcacagtctggggcatcaagcagctccaggcaagaatcctggctgtggaaagatacctaaaggatcaacagctcctggggatttggggttgctctggaaaactcatttgcaccactgctgtgccttggaatgctagttggagtaataaatctctggaacagatttggaatcacacgacctggatggagtgggacagagaaattaacaattacacaagcttaatacactccttaattgaagaatcgcaaaaccagcaagaaaagaatgaacaagaattattggaattagataaatgggcaagtttgtggaattggtttaacataacaaattggctgtggtatataaaattattcataatgatagtaggaggcttggtaggtttaagaatagtttttgctgtactttctatagtgaatagagttaggcagggatattcaccattatcgtttcagacccacctcccaaccccgaggggacccgacaggcccgaaggaatagaagaagaaggtggagagagagacagagacagatccattcgattagtgaacggatc为第二hiv-1基因组序列(其中,aggagctttgttccttgggttcttgggagcagcaggaagcactatgggcgcagcgtcaatgacgctgacggtacaggccagacaattattgtctggtatagtgcagcagcagaacaatttgctgagggctattgaggcgcaacagcatctgttgcaactcacagtctggggcatcaagcagctccaggcaagaatcctggctgtggaaagatacctaaaggatcaacagctcctg为rre功能域(revresponseelement)序列),gttaac为hpai酶切位点,ttttaaaagaaaaggggggattggggggtacagtgcaggggaaagaatagtagacataatagcaacagacatacaaactaaagaattacaaaaacaaattacaaaattcaaaatttt为第三hiv-1基因组序列,称为cppt\cts(centralpolypurinetractandcentralterminationsequence)区序列,cgttacataacttacggtaaatggcccgcctggctgaccgcccaacgacccccgcccattgacgtcaataatgacgtatgttcccatagtaacgccaatagggactttccattgacgtcaatgggtggagtatttacggtaaactgcccacttggcagtacatcaagtgtatcatatgccaagtacgccccctattgacgtcaatgacggtaaatggcccgcctggcattatgcccagtacatgaccttatgggactttcctacttggcagtacatctacgtattagtcatcgctattaccatg为cmv(hunancytomegalovirus,人巨细胞病毒)增强子区序列,gtgatgcggttttggcagtacatcaatgggcgtggatagcggtttgactcacggggatttccaagtctccaccccattgacgtcaatgggagtttgttttggcaccaaaatcaacgggactttccaaaatgtcgtaacaactccgccccattgacgcaaatgggcggtaggcgtgtacggtgggaggtctatataagcagagctc为cmv启动子区序列,atggtgagcaagggcgaggaggataacatggccatcatcaaggagttcatgcgcttcaaggtgcacatggagggctccgtgaacggccacgagttcgagatcgagggcgagggcgagggccgcccctacgagggcacccagaccgccaagctgaaggtgaccaagggtggccccctgcccttcgcctgggacatcctgtcccctcagttcatgtacggctccaaggcctacgtgaagcaccccgccgacatccccgactacttgaagctgtccttccccgagggcttcaagtgggagcgcgtgatgaacttcgaggacggcggcgtggtgaccgtgacccaggactcctccctgcaggacggcgagttcatctacaaggtgaagctgcgcggcaccaacttcccctccgacggccccgtaatgcagaagaagaccatgggctgggaggcctcctccgagcggatgtaccccgaggacggcgccctgaagggcgagatcaagcagaggctgaagctgaaggacggcggccactacgacgctgaggtcaagaccacctacaaggccaagaagcccgtgcagctgcccggcgcctacaacgtcaacatcaagttggacatcacctcccacaacgaggactacaccatcgtggaacagtacgaacgcgccgagggccgccactccaccggcggcatggacgagctgtacaagtaa为mcherry区序列,aatcaacctctggattacaaaatttgtgaaagattgactggtattcttaactatgttgctccttttacgctatgtggatacgctgctttaatgcctttgtatcatgctattgcttcccgtatggctttcattttctcctccttgtataaatcctggttgctgtctctttatgaggagttgtggcccgttgtcaggcaacgtggcgtggtgtgcactgtgtttgctgacgcaacccccactggttggggcattgccaccacctgtcagctcctttccgggactttcgctttccccctccctattgccacggcggaactcatcgccgcctgccttgcccgctgctggacaggggctcggctgttgggcactgacaattccgtggtgttgtcggggaagctgacgtcctttccatggctgctcgcctgtgttgccacctggattctgcgcgggacgtccttctgctacgtcccttcggccctcaatccagcggaccttccttcccgcggcctgctgccggctctgcggcctcttccgcgtcttcgccttcgccctcagacgagtcggatctccctttgggccgcctccccgc为woodchuckhepatitisvirusposttranscriptionalregulatoryelement(wpre)区序列,tggaagggctaattcactcccaacgaagacaagatctgctttttgcttgtactgggtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcag为第四hiv-1基因组序列,是缺失u3区域的hiv-13’ltr(3’长末端重复序列区序列)序列,aacttgtttattgcagcttataatggttacaaataaagcaatagcatcacaaatttcacaaataaagcatttttttcactgcattctagttgtggtttgtccaaactcatcaatgtatctta为sv40polya信号序列,tgtagtcttatgcaatactcttgtagtcttgcaacatggtaacgatgagttagcaacatgccttacaaggagagaaaaagcaccgtgcatgccgattggtggaagtaaggtggtacgatcgtgccttattaggaaggcaacagacgggtctgacatggattggacgaaccactgaattgccgcattgcagagatattgtatttaagtgcctagctcgatacataaac为rsv(roussarcomavirus肉瘤病毒)启动子区序列。

根据本发明的实施例,相比于野生型plv-mcherry,所述转移质粒的hiv-15’ltr区的5’端缺失2个gg。进而进一步提高了包装出病毒的滴度。

根据本发明的实施例,所述转移质粒具有seqidno:1或2所述的核苷酸序列。

在本发明的第四方面,本发明提出了一种病毒包装试剂盒。根据本发明的实施例,所述试剂盒包括前面所述的转移质粒。利用根据本发明实施例的试剂盒包装病毒,病毒的滴度显著提高。

根据本发明的实施例,所述试剂盒进一步包括辅助质粒。

在本发明的第五方面,本发明提出了一种包装病毒的方法。根据本发明的实施例,所述方法包括将病毒包装质粒对病毒包装工具细胞进行转染;将转染后的病毒包装工具细胞进行孵育,以便获得病毒,其中,所述病毒包装质粒包括前面所述的转移质粒和辅助质粒。根据本发明实施例的方法,显著提高了包装出的病毒的滴度。

根据本发明的实施例,所述病毒包装工具细胞为293t或293f。293t或293f方便培养,复制迅速,易于转染,进而进一步提高了病毒滴度。

需要说明的是,如无特殊说明,本申请所述的“转移质粒”是指携带待转导目的基因和hiv-1调控顺式元件序列信息的质粒,如plv-mcherry,该质粒在病毒包装细胞中转录生成的rna能够被包装进慢病毒载体中;本申请所述的“辅助质粒”是指除转移质粒外,携带hiv-1的gag/pol,rev或包膜蛋白序列信息的质粒,如pspax2、pmdlg-prre、prsv-rev或pmd2.g,该类质粒在病毒包装细胞中经转录、翻译后,以蛋白的形式参与到慢病毒载体的生命周期中。

附图说明

图1为根据本发明实施例的plv-mcherry的质粒图谱;

图2为根据本发明实施例的plv-mcherry转移质粒及其突变体模式图;

图3为根据本发明实施例的三质粒系统包装慢病毒滴度比较图;以及

图4为根据本发明实施例的四质粒系统包装慢病毒滴度比较图。

具体实施方式

下面详细描述本发明的实施例,所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的,旨在用于解释本发明,而不能理解为对本发明的限制。

需要说明的是,本申请所述的seqidno:1~4所示的转移质粒的序列是以hiv-15’ltr区的5’端为起点展示的序列,与seqidno:1~4具有同一性的转移质粒,均在本申请的保护范围内。同时,本领域技术人员所理解的是,质粒为环状结构,以任意位置的5’端为起点均可展示质粒的序列。以其它5’端为起点展示的转移质粒的序列,如果与seqidno:1~4仅是展示起点不同,但序列相同,或展示起点不同,但序列与seqidno:1~4具有同一性,也均在本申请的保护范围内。

需要说明的是,如无特别说明,本申请所述的“同一性”是指具有与本申请的序列具有至少70%、75%、80%、85%、90%、95%或99%同一性的序列。术语百分比(%)“序列同一性”描述了相对于构成模板核酸总长度,比对中的两个以上核酸序列中相一致的核苷酸的匹配(“命中”)数。换言之,通过使用比对,对于两个以上的序列或子序列,在对这些(子)序列进行比较和比对以在比较视窗或指定区域上获得用本领域已知的序列比较算法测得的最大对应时,或者在进行人工比对和目视检查时,可以确定其相同的核苷酸的百分比(例如,80%、85%、90%或95%的同一性)。此定义同样适用于测试序列的互补序列。本发明的目的在于提供三种新型生产高滴度的基于hiv-1的慢病毒载体的转移质粒。此三种质粒分别为:

一种新型生产高滴度的基于hiv-1的慢病毒载体的转移质粒(本申请中命名为△gg或plv-△gg(1-2)-mcherry质粒)(序列如seqidno:4所示),在慢病毒hiv-1基因组编码区的5’末端进行缺失突变,仅保留一个鸟苷酸,使得慢病毒生物滴度提高至原来的1.5~2倍。

一种新型生产高滴度的基于hiv-1的慢病毒载体的转移质粒(本申请中命名为mut或plv-mut(1569-1577)-mcherry质粒)(序列如seqidno:1所示),将慢病毒cppt/cts元件的5’端及5’端附近的9个碱基(gttaacttt)突变为8个碱基(actagttg),使得慢病毒载体生物滴度提高至原来的1.3-1.5倍。

一种新型生产高滴度的基于hiv-1的慢病毒载体的转移质粒(本申请中命名为△gg&mut或plv-△gg(1-2)-mut(1569-1577)-mcherry质粒)(序列如seqidno:2所示),同时在慢病毒基因组编码区中引入两个突变,一是hiv-1基因组5’末端引入2个碱基的缺失突变,二是将cppt/cts元件的5’端及其附近的9个碱基(gttaacttt)突变为8个碱基(actagttg),使得慢病毒生物滴度提高至原来的2-3倍。

gtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcagtggcgcccgaacagggacttgaaagcgaaagggaaaccagaggagctctctcgacgcaggactcggcttgctgaagcgcgcacggcaagaggcgaggggcggcgactggtgagtacgccaaaaattttgactagcggaggctagaaggagagagatgggtgcgagagcgtcagtattaagcgggggagaattagatcgcgatgggaaaaaattcggttaaggccagggggaaagaaaaaatataaattaaaacatatagtatgggcaagcagggagctagaacgattcgcagttaatcctggcctgttagaaacatcagaaggctgtagacaaatactgggacagctacaaccatcccttcagacaggatcagaagaacttagatcattatataatacagtagcaaccctctattgtgtgcatcaaaggatagagataaaagacaccaaggaagctttagacaagatagaggaagagcaaaacaaaagtaagaccaccgcacagcaagcggccgctgatcttcagacctggaggaggagatatgagggacaattggagaagtgaattatataaatataaagtagtaaaaattgaaccattaggagtagcacccaccaaggcaaagagaagagtggtgcagagagaaaaaagagcagtgggaataggagctttgttccttgggttcttgggagcagcaggaagcactatgggcgcagcgtcaatgacgctgacggtacaggccagacaattattgtctggtatagtgcagcagcagaacaatttgctgagggctattgaggcgcaacagcatctgttgcaactcacagtctggggcatcaagcagctccaggcaagaatcctggctgtggaaagatacctaaaggatcaacagctcctggggatttggggttgctctggaaaactcatttgcaccactgctgtgccttggaatgctagttggagtaataaatctctggaacagatttggaatcacacgacctggatggagtgggacagagaaattaacaattacacaagcttaatacactccttaattgaagaatcgcaaaaccagcaagaaaagaatgaacaagaattattggaattagataaatgggcaagtttgtggaattggtttaacataacaaattggctgtggtatataaaattattcataatgatagtaggaggcttggtaggtttaagaatagtttttgctgtactttctatagtgaatagagttaggcagggatattcaccattatcgtttcagacccacctcccaaccccgaggggacccgacaggcccgaaggaatagaagaagaaggtggagagagagacagagacagatccattcgattagtgaacggatctcgacggtatcggttaacttttaaaagaaaaggggggattggggggtacagtgcaggggaaagaatagtagacataatagcaacagacatacaaactaaagaattacaaaaacaaattacaaaattcaaaattttatcgataagcttgggagttccgcgttacataacttacggtaaatggcccgcctggctgaccgcccaacgacccccgcccattgacgtcaataatgacgtatgttcccatagtaacgccaatagggactttccattgacgtcaatgggtggagtatttacggtaaactgcccacttggcagtacatcaagtgtatcatatgccaagtacgccccctattgacgtcaatgacggtaaatggcccgcctggcattatgcccagtacatgaccttatgggactttcctacttggcagtacatctacgtattagtcatcgctattaccatggtgatgcggttttggcagtacatcaatgggcgtggatagcggtttgactcacggggatttccaagtctccaccccattgacgtcaatgggagtttgttttggcaccaaaatcaacgggactttccaaaatgtcgtaacaactccgccccattgacgcaaatgggcggtaggcgtgtacggtgggaggtctatataagcagagctcgtttagtgaaccgtcagatcgcctggagacgccatccacgctgttttgacctccatagaagacaccgactctagaggatccgccgccaccatggtgagcaagggcgaggaggataacatggccatcatcaaggagttcatgcgcttcaaggtgcacatggagggctccgtgaacggccacgagttcgagatcgagggcgagggcgagggccgcccctacgagggcacccagaccgccaagctgaaggtgaccaagggtggccccctgcccttcgcctgggacatcctgtcccctcagttcatgtacggctccaaggcctacgtgaagcaccccgccgacatccccgactacttgaagctgtccttccccgagggcttcaagtgggagcgcgtgatgaacttcgaggacggcggcgtggtgaccgtgacccaggactcctccctgcaggacggcgagttcatctacaaggtgaagctgcgcggcaccaacttcccctccgacggccccgtaatgcagaagaagaccatgggctgggaggcctcctccgagcggatgtaccccgaggacggcgccctgaagggcgagatcaagcagaggctgaagctgaaggacggcggccactacgacgctgaggtcaagaccacctacaaggccaagaagcccgtgcagctgcccggcgcctacaacgtcaacatcaagttggacatcacctcccacaacgaggactacaccatcgtggaacagtacgaacgcgccgagggccgccactccaccggcggcatggacgagctgtacaagtaagtcgacaatcaacctctggattacaaaatttgtgaaagattgactggtattcttaactatgttgctccttttacgctatgtggatacgctgctttaatgcctttgtatcatgctattgcttcccgtatggctttcattttctcctccttgtataaatcctggttgctgtctctttatgaggagttgtggcccgttgtcaggcaacgtggcgtggtgtgcactgtgtttgctgacgcaacccccactggttggggcattgccaccacctgtcagctcctttccgggactttcgctttccccctccctattgccacggcggaactcatcgccgcctgccttgcccgctgctggacaggggctcggctgttgggcactgacaattccgtggtgttgtcggggaagctgacgtcctttccatggctgctcgcctgtgttgccacctggattctgcgcgggacgtccttctgctacgtcccttcggccctcaatccagcggaccttccttcccgcggcctgctgccggctctgcggcctcttccgcgtcttcgccttcgccctcagacgagtcggatctccctttgggccgcctccccgcctggaattcgagctcggtacctttaagaccaatgacttacaaggcagctgtagatcttagccactttttaaaagaaaaggggggactggaagggctaattcactcccaacgaagacaagatctgctttttgcttgtactgggtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcagtagtagttcatgtcatcttattattcagtatttataacttgcaaagaaatgaatatcagagagtgagaggaacttgtttattgcagcttataatggttacaaataaagcaatagcatcacaaatttcacaaataaagcatttttttcactgcattctagttgtggtttgtccaaactcatcaatgtatcttatcatgtctggctctagctatcccgcccctaactccgcccatcccgcccctaactccgcccagttccgcccattctccgccccatggctgactaattttttttatttatgcagaggccgaggccgcctcggcctctgagctattccagaagtagtgaggaggcttttttggaggcctagggacgtacccaattcgccctatagtgagtcgtattacgcgcgctcactggccgtcgttttacaacgtcgtgactgggaaaaccctggcgttacccaacttaatcgccttgcagcacatccccctttcgccagctggcgtaatagcgaagaggcccgcaccgatcgcccttcccaacagttgcgcagcctgaatggcgaatgggacgcgccctgtagcggcgcattaagcgcggcgggtgtggtggttacgcgcagcgtgaccgctacacttgccagcgccctagcgcccgctcctttcgctttcttcccttcctttctcgccacgttcgccggctttccccgtcaagctctaaatcgggggctccctttagggttccgatttagtgctttacggcacctcgaccccaaaaaacttgattagggtgatggttcacgtagtgggccatcgccctgatagacggtttttcgccctttgacgttggagtccacgttctttaatagtggactcttgttccaaactggaacaacactcaaccctatctcggtctattcttttgatttataagggattttgccgatttcggcctattggttaaaaaatgagctgatttaacaaaaatttaacgcgaattttaacaaaatattaacgcttacaatttaggtggcacttttcggggaaatgtgcgcggaacccctatttgtttatttttctaaatacattcaaatatgtatccgctcatgagacaataaccctgataaatgcttcaataatattgaaaaaggaagagtatgagtattcaacatttccgtgtcgcccttattcccttttttgcggcattttgccttcctgtttttgctcacccagaaacgctggtgaaagtaaaagatgctgaagatcagttgggtgcacgagtgggttacatcgaactggatctcaacagcggtaagatccttgagagttttcgccccgaagaacgttttccaatgatgagcacttttaaagttctgctatgtggcgcggtattatcccgtattgacgccgggcaagagcaactcggtcgccgcatacactattctcagaatgacttggttgagtactcaccagtcacagaaaagcatcttacggatggcatgacagtaagagaattatgcagtgctgccataaccatgagtgataacactgcggccaacttacttctgacaacgatcggaggaccgaaggagctaaccgcttttttgcacaacatgggggatcatgtaactcgccttgatcgttgggaaccggagctgaatgaagccataccaaacgacgagcgtgacaccacgatgcctgtagcaatggcaacaacgttgcgcaaactattaactggcgaactacttactctagcttcccggcaacaattaatagactggatggaggcggataaagttgcaggaccacttctgcgctcggcccttccggctggctggtttattgctgataaatctggagccggtgagcgtgggtctcgcggtatcattgcagcactggggccagatggtaagccctcccgtatcgtagttatctacacgacggggagtcaggcaactatggatgaacgaaatagacagatcgctgagataggtgcctcactgattaagcattggtaactgtcagaccaagtttactcatatatactttagattgatttaaaacttcatttttaatttaaaaggatctaggtgaagatcctttttgataatctcatgaccaaaatcccttaacgtgagttttcgttccactgagcgtcagaccccgtagaaaagatcaaaggatcttcttgagatcctttttttctgcgcgtaatctgctgcttgcaaacaaaaaaaccaccgctaccagcggtggtttgtttgccggatcaagagctaccaactctttttccgaaggtaactggcttcagcagagcgcagataccaaatactgttcttctagtgtagccgtagttaggccaccacttcaagaactctgtagcaccgcctacatacctcgctctgctaatcctgttaccagtggctgctgccagtggcgataagtcgtgtcttaccgggttggactcaagacgatagttaccggataaggcgcagcggtcgggctgaacggggggttcgtgcacacagcccagcttggagcgaacgacctacaccgaactgagatacctacagcgtgagctatgagaaagcgccacgcttcccgaagggagaaaggcggacaggtatccggtaagcggcagggtcggaacaggagagcgcacgagggagcttccagggggaaacgcctggtatctttatagtcctgtcgggtttcgccacctctgacttgagcgtcgatttttgtgatgctcgtcaggggggcggagcctatggaaaaacgccagcaacgcggcctttttacggttcctggccttttgctggccttttgctcacatgttctttcctgcgttatcccctgattctgtggataaccgtattaccgcctttgagtgagctgataccgctcgccgcagccgaacgaccgagcgcagcgagtcagtgagcgaggaagcggaagagcgcccaatacgcaaaccgcctctccccgcgcgttggccgattcattaatgcagctggcacgacaggtttcccgactggaaagcgggcagtgagcgcaacgcaattaatgtgagttagctcactcattaggcaccccaggctttccactttatgcttccggctcgtatgttgtgtggaattgtgagcggataacaatttcacacaggaaacagctatgaccatgattacgccaagcgcgcaattaaccctcactaaagggaacaaaagctggagctgcaagcttaatgtagtcttatgcaatactcttgtagtcttgcaacatggtaacgatgagttagcaacatgccttacaaggagagaaaaagcaccgtgcatgccgattggtggaagtaaggtggtacgatcgtgccttattaggaaggcaacagacgggtctgacatggattggacgaaccactgaattgccgcattgcagagatattgtatttaagtgcctagctcgatacataaac(seqidno:4)。

本发明获得的新型转移质粒相比于plv-mcherry转移质粒,在生产慢病毒载体能力上具有先天优势,从根本上提高了慢病毒载体的产量。

△gg突变体中的突变是将文献报道中hiv-1的复制机理应用到慢病毒载体生产中,提高慢病载体产量。所使用的基于hiv-1的慢病毒载体保留了hiv-1基因组中的包装、逆转录和整合的顺式作用元件,用这些元件调控外源目的基因的转导。因此,病毒的包装、逆转录和整合方式仍同hiv-1一致。

hiv-1的基因组为正链rna。研究表明,在hiv-1包装的过程中,全长的正链rna可以单体形式用作信使rna(mrna)进行翻译,也可形成二聚体作为基因组rna(grna)被包装进入病毒颗粒中。病毒通过调控单体和二聚体的比例,来调控病毒的复制周期进程。siarhei等发现hiv-1全长rna5’端的鸟嘌呤数量为1-3个,单个鸟嘌呤rna更加倾向于形成二聚体grna结构,被包裹入病毒颗粒中,形成成熟的病毒颗粒;而2个和3个鸟嘌呤的rna则更倾向于作为mrna招募核糖体等进行翻译。目前使用的基于hiv-1的慢病毒载体转移质粒中所编码的rna起始位置均为3个鸟嘌呤,倾向于翻译,却不利于组装到病毒颗粒中。的确,慢病毒的包装过程中,会产生大量没有包装到grna的空壳病毒。但是,慢病毒载体包装的目的是产生更多的包装有grna的完整病毒颗粒,说明可以通过提高二聚体grna比例的方式来获得更多完整病毒颗粒,提高慢病毒初始产物的生物滴度。

mut突变体是本申请的发明人在科学研究中意外发现地可以显著提高包装的慢病毒滴度的转移质粒。

△gg&mut突变体是将上述两个突变同时引入慢病毒基因组中,两个突变可协同提高慢病毒滴度,获得的新型的生产高滴度的基于hiv-1的慢病毒载体的转移质粒。

下面将结合具体实施例对本发明进行进一步解释说明。下述实施例中所使用的实验方法如无特殊说明,均为常规方法。下述实施例中所用的材料、试剂等,如无特殊说明,均可从商业途径得到。

实施例1

构建一种突变型转移质粒:含有gg(1-2)缺失突变的plv-△gg(1-2)-mcherry质粒,此处△gg(1-2)表示转移质粒plv-mcherry(简称wt,附图2a)中hiv基因组编码区第1至第2位碱基对缺失(附图2b)。

首先根据plv-mcherry序列,设计overlappingpcr引物:

gg(1-2)-forward-primer-1:(5’-3’)

tgcatgccgattggtgg(seqidno:5)。

gg(1-2)-forward-primer-2:(5’-3’)

gatacataaacgtctctctggttagaccag(seqidno:6)。

gg(1-2)-rerward-primer-1:(5’-3’)

tcagcggccgcttgctgt(seqidno:7)。

gg(1-2)-rerward-primer-2:(5’-3’)

ccagagagacgtttatgtatcgagctaggc(seqidno:8)。

由基因合成服务公司合成上述序列。

分别以gg(1-2)-forward-primer-1和gg(1-2)-rerward-primer-2、gg(1-2)-forward-primer-2和gg(1-2)-rerward-primer-1为引物,以plv-mcherry为模板,通过pcr方式获得产物片段a和b。回收片段a和b产物,再以片段a和b混合物为模板,gg(1-2)-forward-primer-1和gg(1-2)-rerward-primer-1为引物,通过over-lappingpcr方式获得产物片段c。通过酶切,将片段c连接至plv-mcherry质粒载体的对应酶切位点之间,将该载体转化大肠杆菌stbl3感受态,经酶切和测序验证得到正确plv-△gg(1-2)-mcherry质粒(简称△gg,如附图2b)。

实施例2

构建一种突变型转移质粒:含有1569-1577突变的plv-mut(1569-1577)-mcherry质粒,此处含有1569-1577突变表示将转移质粒plv-mcherry中hiv基因组编码区第1569-1577位碱基对gttaacttt突变为actagttg(附图2c)。

首先根据plv--mcherry序列,设计overlappingpcr引物:

mut(1569-1577)-forward-primer-1:(5’-3’)

aagcggccgctgatcttca(seqidno:9)。

mut(1569-1577)-forward-primer-2:(5’-3’)

gtatcgactagttgtaaaagaaaaggggggattg(seqidno:10)。

mut(1569-1577)-rerward-primer-1:(5’-3’)

gcttatcgataaaattttg(seqidno:11)。

mut(1569-1577)-rerward-primer-2:(5’-3’)

tttacaactagtcgataccgtcgagatcc(seqidno:12)。

由基因合成服务公司合成上述序列。

分别以mut(1569-1577)-forward-primer-1和mut(1569-1577)-rerward-primer-2、mut(1569-1577)-forward-primer-2和mut(1569-1577)-rerward-primer-1为引物,以plv-mcherry为模板,通过pcr方式获得产物片段d和e。回收片段d和e产物,再以片段d和e混合物为模板,mut(1569-1577)-forward-primer-1和mut(1569-1577)-rerward-primer-1为引物,通过over-lappingpcr方式获得产物片段f。通过酶切,将片段f连接至plv-mcherry质粒载体的对应酶切位点之间,将该载体转化大肠杆菌stbl3感受态,经酶切和测序验证得到正确plv-mut(1569-1577)-mcherry质粒(简称mut,如附图2c)。

实施例3

构建一种突变型转移质粒:同时含有gg(1-2)缺失和1569-1577突变的plv-△gg(1-2)-mut(1569-1577)-mcherry质粒,此处△gg(1-2)表示转移质粒plv-mcherry中hiv基因组编码区第1至第2位碱基对缺失,mut(1569-1577)表示转移质粒plv-mcherry中hiv基因组编码区第1569-1577位碱基对gttaacttt突变为actagttg(附图2d)。

取实施例1和实施例2中构建好的质粒,分别用sphi和noti进行酶切,分别回收△gg的小片段和mut的大片段。用t4连接酶将回收的两片段进行连接,转化大肠杆菌stbl3感受态,经酶切和测序验证得到正确plv-△gg(1-2)-mut(1569-1577)-mcherry质粒(简称△gg&mut,如附图2d)。

实施例4

取实施例1和实施例2中构建好的质粒,以plv-mcherry转移质粒为对照组,以pspax2和pmd2.g为辅助质粒,用三质粒系统进行慢病毒包装。按转移质粒:pspax2:pmd2.g=2:1:1比例,用lipofect3000将质粒转染到293t细胞中,转染后50小时收集细胞培养物中病毒上清,经0.45μm滤头过滤后,进行滴度测定。

将293t细胞按3.6e+04cells/孔接种至24孔板内,培养过夜,以使细胞贴壁。通过10倍梯度稀释法,将过滤后的病毒上清进行稀释,稀释病毒液中添加8μg/ml的polybrene。弃293t孔内原培养基,加入病毒稀释液,室温,1000g,离心40分钟后,37℃、5%co2静置培养72h后,流式检测mcherry阳性率,计算对应样品滴度和同plv-mcherry所获慢病毒滴度的比值。其中,数值>1则提高病毒滴度;数值<1,则降低病毒滴度;数值=1,则无影响。结果如图3所示,mut和△gg&mut组获得的慢病毒的滴度相比于plv-mcherry所获得的慢病毒滴度显著提高。

实施例5

取实施例1和实施例2中构建好的质粒,以plv-mcherry转移质粒为对照组,以pmdlg-prre、prsv-rev和pmd2.g为辅助质粒,用四质粒系统进行慢病毒包装。按转移质粒:pmdlg-prre:prsv-rev:pmd2.g=1:1:1:1比例,用lipofect3000将质粒转染到293t细胞中,转染后50小时收集细胞培养上清,经0.45μm滤头过滤后,进行滴度测定。

将293t细胞按3.6e+04cells/孔接种至24孔板内,培养过夜,以使细胞贴壁。通过10倍梯度稀释法,将过滤后的病毒上清进行稀释,稀释病毒液中添加8μg/ml的polybrene。弃293t孔内原培养基,加入病毒稀释液,室温,1000g,离心40分钟后,37℃、5%co2静置培养72h后,流式检测mcherry阳性率,计算对应样品滴度和同plv-mcherry所获慢病毒滴度的比值。其中,数值>1则提高病毒滴度;数值<1,则降低病毒滴度;数值=1,则无影响。结果如图4所示,mut和△gg&mut组获得的慢病毒的滴度相比于plv-mcherry所获得的慢病毒滴度显著提高。

此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中,“多个”的含义是至少两个,例如两个,三个等,除非另有明确具体的限定。

在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外,在不相互矛盾的情况下,本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。

尽管上面已经示出和描述了本发明的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本发明的限制,本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

sequencelisting

<110>东莞市东阳光生物药研发有限公司

广东东阳光药业有限公司

<120>慢病毒的滴度提高型转移质粒

<130>pidc4200114

<160>12

<170>patentinversion3.5

<210>1

<211>7412

<212>dna

<213>artificialsequence

<220>

<223>转移质粒的核苷酸序列

<400>1

gggtctctctggttagaccagatctgagcctgggagctctctggctaactagggaaccca60

ctgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttg120

tgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagc180

agtggcgcccgaacagggacttgaaagcgaaagggaaaccagaggagctctctcgacgca240

ggactcggcttgctgaagcgcgcacggcaagaggcgaggggcggcgactggtgagtacgc300

caaaaattttgactagcggaggctagaaggagagagatgggtgcgagagcgtcagtatta360

agcgggggagaattagatcgcgatgggaaaaaattcggttaaggccagggggaaagaaaa420

aatataaattaaaacatatagtatgggcaagcagggagctagaacgattcgcagttaatc480

ctggcctgttagaaacatcagaaggctgtagacaaatactgggacagctacaaccatccc540

ttcagacaggatcagaagaacttagatcattatataatacagtagcaaccctctattgtg600

tgcatcaaaggatagagataaaagacaccaaggaagctttagacaagatagaggaagagc660

aaaacaaaagtaagaccaccgcacagcaagcggccgctgatcttcagacctggaggagga720

gatatgagggacaattggagaagtgaattatataaatataaagtagtaaaaattgaacca780

ttaggagtagcacccaccaaggcaaagagaagagtggtgcagagagaaaaaagagcagtg840

ggaataggagctttgttccttgggttcttgggagcagcaggaagcactatgggcgcagcg900

tcaatgacgctgacggtacaggccagacaattattgtctggtatagtgcagcagcagaac960

aatttgctgagggctattgaggcgcaacagcatctgttgcaactcacagtctggggcatc1020

aagcagctccaggcaagaatcctggctgtggaaagatacctaaaggatcaacagctcctg1080

gggatttggggttgctctggaaaactcatttgcaccactgctgtgccttggaatgctagt1140

tggagtaataaatctctggaacagatttggaatcacacgacctggatggagtgggacaga1200

gaaattaacaattacacaagcttaatacactccttaattgaagaatcgcaaaaccagcaa1260

gaaaagaatgaacaagaattattggaattagataaatgggcaagtttgtggaattggttt1320

aacataacaaattggctgtggtatataaaattattcataatgatagtaggaggcttggta1380

ggtttaagaatagtttttgctgtactttctatagtgaatagagttaggcagggatattca1440

ccattatcgtttcagacccacctcccaaccccgaggggacccgacaggcccgaaggaata1500

gaagaagaaggtggagagagagacagagacagatccattcgattagtgaacggatctcga1560

cggtatcgactagttgtaaaagaaaaggggggattggggggtacagtgcaggggaaagaa1620

tagtagacataatagcaacagacatacaaactaaagaattacaaaaacaaattacaaaat1680

tcaaaattttatcgataagcttgggagttccgcgttacataacttacggtaaatggcccg1740

cctggctgaccgcccaacgacccccgcccattgacgtcaataatgacgtatgttcccata1800

gtaacgccaatagggactttccattgacgtcaatgggtggagtatttacggtaaactgcc1860

cacttggcagtacatcaagtgtatcatatgccaagtacgccccctattgacgtcaatgac1920

ggtaaatggcccgcctggcattatgcccagtacatgaccttatgggactttcctacttgg1980

cagtacatctacgtattagtcatcgctattaccatggtgatgcggttttggcagtacatc2040

aatgggcgtggatagcggtttgactcacggggatttccaagtctccaccccattgacgtc2100

aatgggagtttgttttggcaccaaaatcaacgggactttccaaaatgtcgtaacaactcc2160

gccccattgacgcaaatgggcggtaggcgtgtacggtgggaggtctatataagcagagct2220

cgtttagtgaaccgtcagatcgcctggagacgccatccacgctgttttgacctccataga2280

agacaccgactctagaggatccgccgccaccatggtgagcaagggcgaggaggataacat2340

ggccatcatcaaggagttcatgcgcttcaaggtgcacatggagggctccgtgaacggcca2400

cgagttcgagatcgagggcgagggcgagggccgcccctacgagggcacccagaccgccaa2460

gctgaaggtgaccaagggtggccccctgcccttcgcctgggacatcctgtcccctcagtt2520

catgtacggctccaaggcctacgtgaagcaccccgccgacatccccgactacttgaagct2580

gtccttccccgagggcttcaagtgggagcgcgtgatgaacttcgaggacggcggcgtggt2640

gaccgtgacccaggactcctccctgcaggacggcgagttcatctacaaggtgaagctgcg2700

cggcaccaacttcccctccgacggccccgtaatgcagaagaagaccatgggctgggaggc2760

ctcctccgagcggatgtaccccgaggacggcgccctgaagggcgagatcaagcagaggct2820

gaagctgaaggacggcggccactacgacgctgaggtcaagaccacctacaaggccaagaa2880

gcccgtgcagctgcccggcgcctacaacgtcaacatcaagttggacatcacctcccacaa2940

cgaggactacaccatcgtggaacagtacgaacgcgccgagggccgccactccaccggcgg3000

catggacgagctgtacaagtaagtcgacaatcaacctctggattacaaaatttgtgaaag3060

attgactggtattcttaactatgttgctccttttacgctatgtggatacgctgctttaat3120

gcctttgtatcatgctattgcttcccgtatggctttcattttctcctccttgtataaatc3180

ctggttgctgtctctttatgaggagttgtggcccgttgtcaggcaacgtggcgtggtgtg3240

cactgtgtttgctgacgcaacccccactggttggggcattgccaccacctgtcagctcct3300

ttccgggactttcgctttccccctccctattgccacggcggaactcatcgccgcctgcct3360

tgcccgctgctggacaggggctcggctgttgggcactgacaattccgtggtgttgtcggg3420

gaagctgacgtcctttccatggctgctcgcctgtgttgccacctggattctgcgcgggac3480

gtccttctgctacgtcccttcggccctcaatccagcggaccttccttcccgcggcctgct3540

gccggctctgcggcctcttccgcgtcttcgccttcgccctcagacgagtcggatctccct3600

ttgggccgcctccccgcctggaattcgagctcggtacctttaagaccaatgacttacaag3660

gcagctgtagatcttagccactttttaaaagaaaaggggggactggaagggctaattcac3720

tcccaacgaagacaagatctgctttttgcttgtactgggtctctctggttagaccagatc3780

tgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttg3840

ccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatcc3900

ctcagacccttttagtcagtgtggaaaatctctagcagtagtagttcatgtcatcttatt3960

attcagtatttataacttgcaaagaaatgaatatcagagagtgagaggaacttgtttatt4020

gcagcttataatggttacaaataaagcaatagcatcacaaatttcacaaataaagcattt4080

ttttcactgcattctagttgtggtttgtccaaactcatcaatgtatcttatcatgtctgg4140

ctctagctatcccgcccctaactccgcccatcccgcccctaactccgcccagttccgccc4200

attctccgccccatggctgactaattttttttatttatgcagaggccgaggccgcctcgg4260

cctctgagctattccagaagtagtgaggaggcttttttggaggcctagggacgtacccaa4320

ttcgccctatagtgagtcgtattacgcgcgctcactggccgtcgttttacaacgtcgtga4380

ctgggaaaaccctggcgttacccaacttaatcgccttgcagcacatccccctttcgccag4440

ctggcgtaatagcgaagaggcccgcaccgatcgcccttcccaacagttgcgcagcctgaa4500

tggcgaatgggacgcgccctgtagcggcgcattaagcgcggcgggtgtggtggttacgcg4560

cagcgtgaccgctacacttgccagcgccctagcgcccgctcctttcgctttcttcccttc4620

ctttctcgccacgttcgccggctttccccgtcaagctctaaatcgggggctccctttagg4680

gttccgatttagtgctttacggcacctcgaccccaaaaaacttgattagggtgatggttc4740

acgtagtgggccatcgccctgatagacggtttttcgccctttgacgttggagtccacgtt4800

ctttaatagtggactcttgttccaaactggaacaacactcaaccctatctcggtctattc4860

ttttgatttataagggattttgccgatttcggcctattggttaaaaaatgagctgattta4920

acaaaaatttaacgcgaattttaacaaaatattaacgcttacaatttaggtggcactttt4980

cggggaaatgtgcgcggaacccctatttgtttatttttctaaatacattcaaatatgtat5040

ccgctcatgagacaataaccctgataaatgcttcaataatattgaaaaaggaagagtatg5100

agtattcaacatttccgtgtcgcccttattcccttttttgcggcattttgccttcctgtt5160

tttgctcacccagaaacgctggtgaaagtaaaagatgctgaagatcagttgggtgcacga5220

gtgggttacatcgaactggatctcaacagcggtaagatccttgagagttttcgccccgaa5280

gaacgttttccaatgatgagcacttttaaagttctgctatgtggcgcggtattatcccgt5340

attgacgccgggcaagagcaactcggtcgccgcatacactattctcagaatgacttggtt5400

gagtactcaccagtcacagaaaagcatcttacggatggcatgacagtaagagaattatgc5460

agtgctgccataaccatgagtgataacactgcggccaacttacttctgacaacgatcgga5520

ggaccgaaggagctaaccgcttttttgcacaacatgggggatcatgtaactcgccttgat5580

cgttgggaaccggagctgaatgaagccataccaaacgacgagcgtgacaccacgatgcct5640

gtagcaatggcaacaacgttgcgcaaactattaactggcgaactacttactctagcttcc5700

cggcaacaattaatagactggatggaggcggataaagttgcaggaccacttctgcgctcg5760

gcccttccggctggctggtttattgctgataaatctggagccggtgagcgtgggtctcgc5820

ggtatcattgcagcactggggccagatggtaagccctcccgtatcgtagttatctacacg5880

acggggagtcaggcaactatggatgaacgaaatagacagatcgctgagataggtgcctca5940

ctgattaagcattggtaactgtcagaccaagtttactcatatatactttagattgattta6000

aaacttcatttttaatttaaaaggatctaggtgaagatcctttttgataatctcatgacc6060

aaaatcccttaacgtgagttttcgttccactgagcgtcagaccccgtagaaaagatcaaa6120

ggatcttcttgagatcctttttttctgcgcgtaatctgctgcttgcaaacaaaaaaacca6180

ccgctaccagcggtggtttgtttgccggatcaagagctaccaactctttttccgaaggta6240

actggcttcagcagagcgcagataccaaatactgttcttctagtgtagccgtagttaggc6300

caccacttcaagaactctgtagcaccgcctacatacctcgctctgctaatcctgttacca6360

gtggctgctgccagtggcgataagtcgtgtcttaccgggttggactcaagacgatagtta6420

ccggataaggcgcagcggtcgggctgaacggggggttcgtgcacacagcccagcttggag6480

cgaacgacctacaccgaactgagatacctacagcgtgagctatgagaaagcgccacgctt6540

cccgaagggagaaaggcggacaggtatccggtaagcggcagggtcggaacaggagagcgc6600

acgagggagcttccagggggaaacgcctggtatctttatagtcctgtcgggtttcgccac6660

ctctgacttgagcgtcgatttttgtgatgctcgtcaggggggcggagcctatggaaaaac6720

gccagcaacgcggcctttttacggttcctggccttttgctggccttttgctcacatgttc6780

tttcctgcgttatcccctgattctgtggataaccgtattaccgcctttgagtgagctgat6840

accgctcgccgcagccgaacgaccgagcgcagcgagtcagtgagcgaggaagcggaagag6900

cgcccaatacgcaaaccgcctctccccgcgcgttggccgattcattaatgcagctggcac6960

gacaggtttcccgactggaaagcgggcagtgagcgcaacgcaattaatgtgagttagctc7020

actcattaggcaccccaggctttccactttatgcttccggctcgtatgttgtgtggaatt7080

gtgagcggataacaatttcacacaggaaacagctatgaccatgattacgccaagcgcgca7140

attaaccctcactaaagggaacaaaagctggagctgcaagcttaatgtagtcttatgcaa7200

tactcttgtagtcttgcaacatggtaacgatgagttagcaacatgccttacaaggagaga7260

aaaagcaccgtgcatgccgattggtggaagtaaggtggtacgatcgtgccttattaggaa7320

ggcaacagacgggtctgacatggattggacgaaccactgaattgccgcattgcagagata7380

ttgtatttaagtgcctagctcgatacataaac7412

<210>2

<211>7410

<212>dna

<213>artificialsequence

<220>

<223>转移质粒的核苷酸序列

<400>2

gtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccact60

gcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtg120

tgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcag180

tggcgcccgaacagggacttgaaagcgaaagggaaaccagaggagctctctcgacgcagg240

actcggcttgctgaagcgcgcacggcaagaggcgaggggcggcgactggtgagtacgcca300

aaaattttgactagcggaggctagaaggagagagatgggtgcgagagcgtcagtattaag360

cgggggagaattagatcgcgatgggaaaaaattcggttaaggccagggggaaagaaaaaa420

tataaattaaaacatatagtatgggcaagcagggagctagaacgattcgcagttaatcct480

ggcctgttagaaacatcagaaggctgtagacaaatactgggacagctacaaccatccctt540

cagacaggatcagaagaacttagatcattatataatacagtagcaaccctctattgtgtg600

catcaaaggatagagataaaagacaccaaggaagctttagacaagatagaggaagagcaa660

aacaaaagtaagaccaccgcacagcaagcggccgctgatcttcagacctggaggaggaga720

tatgagggacaattggagaagtgaattatataaatataaagtagtaaaaattgaaccatt780

aggagtagcacccaccaaggcaaagagaagagtggtgcagagagaaaaaagagcagtggg840

aataggagctttgttccttgggttcttgggagcagcaggaagcactatgggcgcagcgtc900

aatgacgctgacggtacaggccagacaattattgtctggtatagtgcagcagcagaacaa960

tttgctgagggctattgaggcgcaacagcatctgttgcaactcacagtctggggcatcaa1020

gcagctccaggcaagaatcctggctgtggaaagatacctaaaggatcaacagctcctggg1080

gatttggggttgctctggaaaactcatttgcaccactgctgtgccttggaatgctagttg1140

gagtaataaatctctggaacagatttggaatcacacgacctggatggagtgggacagaga1200

aattaacaattacacaagcttaatacactccttaattgaagaatcgcaaaaccagcaaga1260

aaagaatgaacaagaattattggaattagataaatgggcaagtttgtggaattggtttaa1320

cataacaaattggctgtggtatataaaattattcataatgatagtaggaggcttggtagg1380

tttaagaatagtttttgctgtactttctatagtgaatagagttaggcagggatattcacc1440

attatcgtttcagacccacctcccaaccccgaggggacccgacaggcccgaaggaataga1500

agaagaaggtggagagagagacagagacagatccattcgattagtgaacggatctcgacg1560

gtatcgactagttgtaaaagaaaaggggggattggggggtacagtgcaggggaaagaata1620

gtagacataatagcaacagacatacaaactaaagaattacaaaaacaaattacaaaattc1680

aaaattttatcgataagcttgggagttccgcgttacataacttacggtaaatggcccgcc1740

tggctgaccgcccaacgacccccgcccattgacgtcaataatgacgtatgttcccatagt1800

aacgccaatagggactttccattgacgtcaatgggtggagtatttacggtaaactgccca1860

cttggcagtacatcaagtgtatcatatgccaagtacgccccctattgacgtcaatgacgg1920

taaatggcccgcctggcattatgcccagtacatgaccttatgggactttcctacttggca1980

gtacatctacgtattagtcatcgctattaccatggtgatgcggttttggcagtacatcaa2040

tgggcgtggatagcggtttgactcacggggatttccaagtctccaccccattgacgtcaa2100

tgggagtttgttttggcaccaaaatcaacgggactttccaaaatgtcgtaacaactccgc2160

cccattgacgcaaatgggcggtaggcgtgtacggtgggaggtctatataagcagagctcg2220

tttagtgaaccgtcagatcgcctggagacgccatccacgctgttttgacctccatagaag2280

acaccgactctagaggatccgccgccaccatggtgagcaagggcgaggaggataacatgg2340

ccatcatcaaggagttcatgcgcttcaaggtgcacatggagggctccgtgaacggccacg2400

agttcgagatcgagggcgagggcgagggccgcccctacgagggcacccagaccgccaagc2460

tgaaggtgaccaagggtggccccctgcccttcgcctgggacatcctgtcccctcagttca2520

tgtacggctccaaggcctacgtgaagcaccccgccgacatccccgactacttgaagctgt2580

ccttccccgagggcttcaagtgggagcgcgtgatgaacttcgaggacggcggcgtggtga2640

ccgtgacccaggactcctccctgcaggacggcgagttcatctacaaggtgaagctgcgcg2700

gcaccaacttcccctccgacggccccgtaatgcagaagaagaccatgggctgggaggcct2760

cctccgagcggatgtaccccgaggacggcgccctgaagggcgagatcaagcagaggctga2820

agctgaaggacggcggccactacgacgctgaggtcaagaccacctacaaggccaagaagc2880

ccgtgcagctgcccggcgcctacaacgtcaacatcaagttggacatcacctcccacaacg2940

aggactacaccatcgtggaacagtacgaacgcgccgagggccgccactccaccggcggca3000

tggacgagctgtacaagtaagtcgacaatcaacctctggattacaaaatttgtgaaagat3060

tgactggtattcttaactatgttgctccttttacgctatgtggatacgctgctttaatgc3120

ctttgtatcatgctattgcttcccgtatggctttcattttctcctccttgtataaatcct3180

ggttgctgtctctttatgaggagttgtggcccgttgtcaggcaacgtggcgtggtgtgca3240

ctgtgtttgctgacgcaacccccactggttggggcattgccaccacctgtcagctccttt3300

ccgggactttcgctttccccctccctattgccacggcggaactcatcgccgcctgccttg3360

cccgctgctggacaggggctcggctgttgggcactgacaattccgtggtgttgtcgggga3420

agctgacgtcctttccatggctgctcgcctgtgttgccacctggattctgcgcgggacgt3480

ccttctgctacgtcccttcggccctcaatccagcggaccttccttcccgcggcctgctgc3540

cggctctgcggcctcttccgcgtcttcgccttcgccctcagacgagtcggatctcccttt3600

gggccgcctccccgcctggaattcgagctcggtacctttaagaccaatgacttacaaggc3660

agctgtagatcttagccactttttaaaagaaaaggggggactggaagggctaattcactc3720

ccaacgaagacaagatctgctttttgcttgtactgggtctctctggttagaccagatctg3780

agcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgcc3840

ttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccct3900

cagacccttttagtcagtgtggaaaatctctagcagtagtagttcatgtcatcttattat3960

tcagtatttataacttgcaaagaaatgaatatcagagagtgagaggaacttgtttattgc4020

agcttataatggttacaaataaagcaatagcatcacaaatttcacaaataaagcattttt4080

ttcactgcattctagttgtggtttgtccaaactcatcaatgtatcttatcatgtctggct4140

ctagctatcccgcccctaactccgcccatcccgcccctaactccgcccagttccgcccat4200

tctccgccccatggctgactaattttttttatttatgcagaggccgaggccgcctcggcc4260

tctgagctattccagaagtagtgaggaggcttttttggaggcctagggacgtacccaatt4320

cgccctatagtgagtcgtattacgcgcgctcactggccgtcgttttacaacgtcgtgact4380

gggaaaaccctggcgttacccaacttaatcgccttgcagcacatccccctttcgccagct4440

ggcgtaatagcgaagaggcccgcaccgatcgcccttcccaacagttgcgcagcctgaatg4500

gcgaatgggacgcgccctgtagcggcgcattaagcgcggcgggtgtggtggttacgcgca4560

gcgtgaccgctacacttgccagcgccctagcgcccgctcctttcgctttcttcccttcct4620

ttctcgccacgttcgccggctttccccgtcaagctctaaatcgggggctccctttagggt4680

tccgatttagtgctttacggcacctcgaccccaaaaaacttgattagggtgatggttcac4740

gtagtgggccatcgccctgatagacggtttttcgccctttgacgttggagtccacgttct4800

ttaatagtggactcttgttccaaactggaacaacactcaaccctatctcggtctattctt4860

ttgatttataagggattttgccgatttcggcctattggttaaaaaatgagctgatttaac4920

aaaaatttaacgcgaattttaacaaaatattaacgcttacaatttaggtggcacttttcg4980

gggaaatgtgcgcggaacccctatttgtttatttttctaaatacattcaaatatgtatcc5040

gctcatgagacaataaccctgataaatgcttcaataatattgaaaaaggaagagtatgag5100

tattcaacatttccgtgtcgcccttattcccttttttgcggcattttgccttcctgtttt5160

tgctcacccagaaacgctggtgaaagtaaaagatgctgaagatcagttgggtgcacgagt5220

gggttacatcgaactggatctcaacagcggtaagatccttgagagttttcgccccgaaga5280

acgttttccaatgatgagcacttttaaagttctgctatgtggcgcggtattatcccgtat5340

tgacgccgggcaagagcaactcggtcgccgcatacactattctcagaatgacttggttga5400

gtactcaccagtcacagaaaagcatcttacggatggcatgacagtaagagaattatgcag5460

tgctgccataaccatgagtgataacactgcggccaacttacttctgacaacgatcggagg5520

accgaaggagctaaccgcttttttgcacaacatgggggatcatgtaactcgccttgatcg5580

ttgggaaccggagctgaatgaagccataccaaacgacgagcgtgacaccacgatgcctgt5640

agcaatggcaacaacgttgcgcaaactattaactggcgaactacttactctagcttcccg5700

gcaacaattaatagactggatggaggcggataaagttgcaggaccacttctgcgctcggc5760

ccttccggctggctggtttattgctgataaatctggagccggtgagcgtgggtctcgcgg5820

tatcattgcagcactggggccagatggtaagccctcccgtatcgtagttatctacacgac5880

ggggagtcaggcaactatggatgaacgaaatagacagatcgctgagataggtgcctcact5940

gattaagcattggtaactgtcagaccaagtttactcatatatactttagattgatttaaa6000

acttcatttttaatttaaaaggatctaggtgaagatcctttttgataatctcatgaccaa6060

aatcccttaacgtgagttttcgttccactgagcgtcagaccccgtagaaaagatcaaagg6120

atcttcttgagatcctttttttctgcgcgtaatctgctgcttgcaaacaaaaaaaccacc6180

gctaccagcggtggtttgtttgccggatcaagagctaccaactctttttccgaaggtaac6240

tggcttcagcagagcgcagataccaaatactgttcttctagtgtagccgtagttaggcca6300

ccacttcaagaactctgtagcaccgcctacatacctcgctctgctaatcctgttaccagt6360

ggctgctgccagtggcgataagtcgtgtcttaccgggttggactcaagacgatagttacc6420

ggataaggcgcagcggtcgggctgaacggggggttcgtgcacacagcccagcttggagcg6480

aacgacctacaccgaactgagatacctacagcgtgagctatgagaaagcgccacgcttcc6540

cgaagggagaaaggcggacaggtatccggtaagcggcagggtcggaacaggagagcgcac6600

gagggagcttccagggggaaacgcctggtatctttatagtcctgtcgggtttcgccacct6660

ctgacttgagcgtcgatttttgtgatgctcgtcaggggggcggagcctatggaaaaacgc6720

cagcaacgcggcctttttacggttcctggccttttgctggccttttgctcacatgttctt6780

tcctgcgttatcccctgattctgtggataaccgtattaccgcctttgagtgagctgatac6840

cgctcgccgcagccgaacgaccgagcgcagcgagtcagtgagcgaggaagcggaagagcg6900

cccaatacgcaaaccgcctctccccgcgcgttggccgattcattaatgcagctggcacga6960

caggtttcccgactggaaagcgggcagtgagcgcaacgcaattaatgtgagttagctcac7020

tcattaggcaccccaggctttccactttatgcttccggctcgtatgttgtgtggaattgt7080

gagcggataacaatttcacacaggaaacagctatgaccatgattacgccaagcgcgcaat7140

taaccctcactaaagggaacaaaagctggagctgcaagcttaatgtagtcttatgcaata7200

ctcttgtagtcttgcaacatggtaacgatgagttagcaacatgccttacaaggagagaaa7260

aagcaccgtgcatgccgattggtggaagtaaggtggtacgatcgtgccttattaggaagg7320

caacagacgggtctgacatggattggacgaaccactgaattgccgcattgcagagatatt7380

gtatttaagtgcctagctcgatacataaac7410

<210>3

<211>7413

<212>dna

<213>artificialsequence

<220>

<223>野生型plv-mcherry质粒的核苷酸序列

<400>3

gggtctctctggttagaccagatctgagcctgggagctctctggctaactagggaaccca60

ctgcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttg120

tgtgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagc180

agtggcgcccgaacagggacttgaaagcgaaagggaaaccagaggagctctctcgacgca240

ggactcggcttgctgaagcgcgcacggcaagaggcgaggggcggcgactggtgagtacgc300

caaaaattttgactagcggaggctagaaggagagagatgggtgcgagagcgtcagtatta360

agcgggggagaattagatcgcgatgggaaaaaattcggttaaggccagggggaaagaaaa420

aatataaattaaaacatatagtatgggcaagcagggagctagaacgattcgcagttaatc480

ctggcctgttagaaacatcagaaggctgtagacaaatactgggacagctacaaccatccc540

ttcagacaggatcagaagaacttagatcattatataatacagtagcaaccctctattgtg600

tgcatcaaaggatagagataaaagacaccaaggaagctttagacaagatagaggaagagc660

aaaacaaaagtaagaccaccgcacagcaagcggccgctgatcttcagacctggaggagga720

gatatgagggacaattggagaagtgaattatataaatataaagtagtaaaaattgaacca780

ttaggagtagcacccaccaaggcaaagagaagagtggtgcagagagaaaaaagagcagtg840

ggaataggagctttgttccttgggttcttgggagcagcaggaagcactatgggcgcagcg900

tcaatgacgctgacggtacaggccagacaattattgtctggtatagtgcagcagcagaac960

aatttgctgagggctattgaggcgcaacagcatctgttgcaactcacagtctggggcatc1020

aagcagctccaggcaagaatcctggctgtggaaagatacctaaaggatcaacagctcctg1080

gggatttggggttgctctggaaaactcatttgcaccactgctgtgccttggaatgctagt1140

tggagtaataaatctctggaacagatttggaatcacacgacctggatggagtgggacaga1200

gaaattaacaattacacaagcttaatacactccttaattgaagaatcgcaaaaccagcaa1260

gaaaagaatgaacaagaattattggaattagataaatgggcaagtttgtggaattggttt1320

aacataacaaattggctgtggtatataaaattattcataatgatagtaggaggcttggta1380

ggtttaagaatagtttttgctgtactttctatagtgaatagagttaggcagggatattca1440

ccattatcgtttcagacccacctcccaaccccgaggggacccgacaggcccgaaggaata1500

gaagaagaaggtggagagagagacagagacagatccattcgattagtgaacggatctcga1560

cggtatcggttaacttttaaaagaaaaggggggattggggggtacagtgcaggggaaaga1620

atagtagacataatagcaacagacatacaaactaaagaattacaaaaacaaattacaaaa1680

ttcaaaattttatcgataagcttgggagttccgcgttacataacttacggtaaatggccc1740

gcctggctgaccgcccaacgacccccgcccattgacgtcaataatgacgtatgttcccat1800

agtaacgccaatagggactttccattgacgtcaatgggtggagtatttacggtaaactgc1860

ccacttggcagtacatcaagtgtatcatatgccaagtacgccccctattgacgtcaatga1920

cggtaaatggcccgcctggcattatgcccagtacatgaccttatgggactttcctacttg1980

gcagtacatctacgtattagtcatcgctattaccatggtgatgcggttttggcagtacat2040

caatgggcgtggatagcggtttgactcacggggatttccaagtctccaccccattgacgt2100

caatgggagtttgttttggcaccaaaatcaacgggactttccaaaatgtcgtaacaactc2160

cgccccattgacgcaaatgggcggtaggcgtgtacggtgggaggtctatataagcagagc2220

tcgtttagtgaaccgtcagatcgcctggagacgccatccacgctgttttgacctccatag2280

aagacaccgactctagaggatccgccgccaccatggtgagcaagggcgaggaggataaca2340

tggccatcatcaaggagttcatgcgcttcaaggtgcacatggagggctccgtgaacggcc2400

acgagttcgagatcgagggcgagggcgagggccgcccctacgagggcacccagaccgcca2460

agctgaaggtgaccaagggtggccccctgcccttcgcctgggacatcctgtcccctcagt2520

tcatgtacggctccaaggcctacgtgaagcaccccgccgacatccccgactacttgaagc2580

tgtccttccccgagggcttcaagtgggagcgcgtgatgaacttcgaggacggcggcgtgg2640

tgaccgtgacccaggactcctccctgcaggacggcgagttcatctacaaggtgaagctgc2700

gcggcaccaacttcccctccgacggccccgtaatgcagaagaagaccatgggctgggagg2760

cctcctccgagcggatgtaccccgaggacggcgccctgaagggcgagatcaagcagaggc2820

tgaagctgaaggacggcggccactacgacgctgaggtcaagaccacctacaaggccaaga2880

agcccgtgcagctgcccggcgcctacaacgtcaacatcaagttggacatcacctcccaca2940

acgaggactacaccatcgtggaacagtacgaacgcgccgagggccgccactccaccggcg3000

gcatggacgagctgtacaagtaagtcgacaatcaacctctggattacaaaatttgtgaaa3060

gattgactggtattcttaactatgttgctccttttacgctatgtggatacgctgctttaa3120

tgcctttgtatcatgctattgcttcccgtatggctttcattttctcctccttgtataaat3180

cctggttgctgtctctttatgaggagttgtggcccgttgtcaggcaacgtggcgtggtgt3240

gcactgtgtttgctgacgcaacccccactggttggggcattgccaccacctgtcagctcc3300

tttccgggactttcgctttccccctccctattgccacggcggaactcatcgccgcctgcc3360

ttgcccgctgctggacaggggctcggctgttgggcactgacaattccgtggtgttgtcgg3420

ggaagctgacgtcctttccatggctgctcgcctgtgttgccacctggattctgcgcggga3480

cgtccttctgctacgtcccttcggccctcaatccagcggaccttccttcccgcggcctgc3540

tgccggctctgcggcctcttccgcgtcttcgccttcgccctcagacgagtcggatctccc3600

tttgggccgcctccccgcctggaattcgagctcggtacctttaagaccaatgacttacaa3660

ggcagctgtagatcttagccactttttaaaagaaaaggggggactggaagggctaattca3720

ctcccaacgaagacaagatctgctttttgcttgtactgggtctctctggttagaccagat3780

ctgagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagctt3840

gccttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatc3900

cctcagacccttttagtcagtgtggaaaatctctagcagtagtagttcatgtcatcttat3960

tattcagtatttataacttgcaaagaaatgaatatcagagagtgagaggaacttgtttat4020

tgcagcttataatggttacaaataaagcaatagcatcacaaatttcacaaataaagcatt4080

tttttcactgcattctagttgtggtttgtccaaactcatcaatgtatcttatcatgtctg4140

gctctagctatcccgcccctaactccgcccatcccgcccctaactccgcccagttccgcc4200

cattctccgccccatggctgactaattttttttatttatgcagaggccgaggccgcctcg4260

gcctctgagctattccagaagtagtgaggaggcttttttggaggcctagggacgtaccca4320

attcgccctatagtgagtcgtattacgcgcgctcactggccgtcgttttacaacgtcgtg4380

actgggaaaaccctggcgttacccaacttaatcgccttgcagcacatccccctttcgcca4440

gctggcgtaatagcgaagaggcccgcaccgatcgcccttcccaacagttgcgcagcctga4500

atggcgaatgggacgcgccctgtagcggcgcattaagcgcggcgggtgtggtggttacgc4560

gcagcgtgaccgctacacttgccagcgccctagcgcccgctcctttcgctttcttccctt4620

cctttctcgccacgttcgccggctttccccgtcaagctctaaatcgggggctccctttag4680

ggttccgatttagtgctttacggcacctcgaccccaaaaaacttgattagggtgatggtt4740

cacgtagtgggccatcgccctgatagacggtttttcgccctttgacgttggagtccacgt4800

tctttaatagtggactcttgttccaaactggaacaacactcaaccctatctcggtctatt4860

cttttgatttataagggattttgccgatttcggcctattggttaaaaaatgagctgattt4920

aacaaaaatttaacgcgaattttaacaaaatattaacgcttacaatttaggtggcacttt4980

tcggggaaatgtgcgcggaacccctatttgtttatttttctaaatacattcaaatatgta5040

tccgctcatgagacaataaccctgataaatgcttcaataatattgaaaaaggaagagtat5100

gagtattcaacatttccgtgtcgcccttattcccttttttgcggcattttgccttcctgt5160

ttttgctcacccagaaacgctggtgaaagtaaaagatgctgaagatcagttgggtgcacg5220

agtgggttacatcgaactggatctcaacagcggtaagatccttgagagttttcgccccga5280

agaacgttttccaatgatgagcacttttaaagttctgctatgtggcgcggtattatcccg5340

tattgacgccgggcaagagcaactcggtcgccgcatacactattctcagaatgacttggt5400

tgagtactcaccagtcacagaaaagcatcttacggatggcatgacagtaagagaattatg5460

cagtgctgccataaccatgagtgataacactgcggccaacttacttctgacaacgatcgg5520

aggaccgaaggagctaaccgcttttttgcacaacatgggggatcatgtaactcgccttga5580

tcgttgggaaccggagctgaatgaagccataccaaacgacgagcgtgacaccacgatgcc5640

tgtagcaatggcaacaacgttgcgcaaactattaactggcgaactacttactctagcttc5700

ccggcaacaattaatagactggatggaggcggataaagttgcaggaccacttctgcgctc5760

ggcccttccggctggctggtttattgctgataaatctggagccggtgagcgtgggtctcg5820

cggtatcattgcagcactggggccagatggtaagccctcccgtatcgtagttatctacac5880

gacggggagtcaggcaactatggatgaacgaaatagacagatcgctgagataggtgcctc5940

actgattaagcattggtaactgtcagaccaagtttactcatatatactttagattgattt6000

aaaacttcatttttaatttaaaaggatctaggtgaagatcctttttgataatctcatgac6060

caaaatcccttaacgtgagttttcgttccactgagcgtcagaccccgtagaaaagatcaa6120

aggatcttcttgagatcctttttttctgcgcgtaatctgctgcttgcaaacaaaaaaacc6180

accgctaccagcggtggtttgtttgccggatcaagagctaccaactctttttccgaaggt6240

aactggcttcagcagagcgcagataccaaatactgttcttctagtgtagccgtagttagg6300

ccaccacttcaagaactctgtagcaccgcctacatacctcgctctgctaatcctgttacc6360

agtggctgctgccagtggcgataagtcgtgtcttaccgggttggactcaagacgatagtt6420

accggataaggcgcagcggtcgggctgaacggggggttcgtgcacacagcccagcttgga6480

gcgaacgacctacaccgaactgagatacctacagcgtgagctatgagaaagcgccacgct6540

tcccgaagggagaaaggcggacaggtatccggtaagcggcagggtcggaacaggagagcg6600

cacgagggagcttccagggggaaacgcctggtatctttatagtcctgtcgggtttcgcca6660

cctctgacttgagcgtcgatttttgtgatgctcgtcaggggggcggagcctatggaaaaa6720

cgccagcaacgcggcctttttacggttcctggccttttgctggccttttgctcacatgtt6780

ctttcctgcgttatcccctgattctgtggataaccgtattaccgcctttgagtgagctga6840

taccgctcgccgcagccgaacgaccgagcgcagcgagtcagtgagcgaggaagcggaaga6900

gcgcccaatacgcaaaccgcctctccccgcgcgttggccgattcattaatgcagctggca6960

cgacaggtttcccgactggaaagcgggcagtgagcgcaacgcaattaatgtgagttagct7020

cactcattaggcaccccaggctttccactttatgcttccggctcgtatgttgtgtggaat7080

tgtgagcggataacaatttcacacaggaaacagctatgaccatgattacgccaagcgcgc7140

aattaaccctcactaaagggaacaaaagctggagctgcaagcttaatgtagtcttatgca7200

atactcttgtagtcttgcaacatggtaacgatgagttagcaacatgccttacaaggagag7260

aaaaagcaccgtgcatgccgattggtggaagtaaggtggtacgatcgtgccttattagga7320

aggcaacagacgggtctgacatggattggacgaaccactgaattgccgcattgcagagat7380

attgtatttaagtgcctagctcgatacataaac7413

<210>4

<211>7411

<212>dna

<213>artificialsequence

<220>

<223>plv-△gg(1-2)-mcherry质粒序列

<400>4

gtctctctggttagaccagatctgagcctgggagctctctggctaactagggaacccact60

gcttaagcctcaataaagcttgccttgagtgcttcaagtagtgtgtgcccgtctgttgtg120

tgactctggtaactagagatccctcagacccttttagtcagtgtggaaaatctctagcag180

tggcgcccgaacagggacttgaaagcgaaagggaaaccagaggagctctctcgacgcagg240

actcggcttgctgaagcgcgcacggcaagaggcgaggggcggcgactggtgagtacgcca300

aaaattttgactagcggaggctagaaggagagagatgggtgcgagagcgtcagtattaag360

cgggggagaattagatcgcgatgggaaaaaattcggttaaggccagggggaaagaaaaaa420

tataaattaaaacatatagtatgggcaagcagggagctagaacgattcgcagttaatcct480

ggcctgttagaaacatcagaaggctgtagacaaatactgggacagctacaaccatccctt540

cagacaggatcagaagaacttagatcattatataatacagtagcaaccctctattgtgtg600

catcaaaggatagagataaaagacaccaaggaagctttagacaagatagaggaagagcaa660

aacaaaagtaagaccaccgcacagcaagcggccgctgatcttcagacctggaggaggaga720

tatgagggacaattggagaagtgaattatataaatataaagtagtaaaaattgaaccatt780

aggagtagcacccaccaaggcaaagagaagagtggtgcagagagaaaaaagagcagtggg840

aataggagctttgttccttgggttcttgggagcagcaggaagcactatgggcgcagcgtc900

aatgacgctgacggtacaggccagacaattattgtctggtatagtgcagcagcagaacaa960

tttgctgagggctattgaggcgcaacagcatctgttgcaactcacagtctggggcatcaa1020

gcagctccaggcaagaatcctggctgtggaaagatacctaaaggatcaacagctcctggg1080

gatttggggttgctctggaaaactcatttgcaccactgctgtgccttggaatgctagttg1140

gagtaataaatctctggaacagatttggaatcacacgacctggatggagtgggacagaga1200

aattaacaattacacaagcttaatacactccttaattgaagaatcgcaaaaccagcaaga1260

aaagaatgaacaagaattattggaattagataaatgggcaagtttgtggaattggtttaa1320

cataacaaattggctgtggtatataaaattattcataatgatagtaggaggcttggtagg1380

tttaagaatagtttttgctgtactttctatagtgaatagagttaggcagggatattcacc1440

attatcgtttcagacccacctcccaaccccgaggggacccgacaggcccgaaggaataga1500

agaagaaggtggagagagagacagagacagatccattcgattagtgaacggatctcgacg1560

gtatcggttaacttttaaaagaaaaggggggattggggggtacagtgcaggggaaagaat1620

agtagacataatagcaacagacatacaaactaaagaattacaaaaacaaattacaaaatt1680

caaaattttatcgataagcttgggagttccgcgttacataacttacggtaaatggcccgc1740

ctggctgaccgcccaacgacccccgcccattgacgtcaataatgacgtatgttcccatag1800

taacgccaatagggactttccattgacgtcaatgggtggagtatttacggtaaactgccc1860

acttggcagtacatcaagtgtatcatatgccaagtacgccccctattgacgtcaatgacg1920

gtaaatggcccgcctggcattatgcccagtacatgaccttatgggactttcctacttggc1980

agtacatctacgtattagtcatcgctattaccatggtgatgcggttttggcagtacatca2040

atgggcgtggatagcggtttgactcacggggatttccaagtctccaccccattgacgtca2100

atgggagtttgttttggcaccaaaatcaacgggactttccaaaatgtcgtaacaactccg2160

ccccattgacgcaaatgggcggtaggcgtgtacggtgggaggtctatataagcagagctc2220

gtttagtgaaccgtcagatcgcctggagacgccatccacgctgttttgacctccatagaa2280

gacaccgactctagaggatccgccgccaccatggtgagcaagggcgaggaggataacatg2340

gccatcatcaaggagttcatgcgcttcaaggtgcacatggagggctccgtgaacggccac2400

gagttcgagatcgagggcgagggcgagggccgcccctacgagggcacccagaccgccaag2460

ctgaaggtgaccaagggtggccccctgcccttcgcctgggacatcctgtcccctcagttc2520

atgtacggctccaaggcctacgtgaagcaccccgccgacatccccgactacttgaagctg2580

tccttccccgagggcttcaagtgggagcgcgtgatgaacttcgaggacggcggcgtggtg2640

accgtgacccaggactcctccctgcaggacggcgagttcatctacaaggtgaagctgcgc2700

ggcaccaacttcccctccgacggccccgtaatgcagaagaagaccatgggctgggaggcc2760

tcctccgagcggatgtaccccgaggacggcgccctgaagggcgagatcaagcagaggctg2820

aagctgaaggacggcggccactacgacgctgaggtcaagaccacctacaaggccaagaag2880

cccgtgcagctgcccggcgcctacaacgtcaacatcaagttggacatcacctcccacaac2940

gaggactacaccatcgtggaacagtacgaacgcgccgagggccgccactccaccggcggc3000

atggacgagctgtacaagtaagtcgacaatcaacctctggattacaaaatttgtgaaaga3060

ttgactggtattcttaactatgttgctccttttacgctatgtggatacgctgctttaatg3120

cctttgtatcatgctattgcttcccgtatggctttcattttctcctccttgtataaatcc3180

tggttgctgtctctttatgaggagttgtggcccgttgtcaggcaacgtggcgtggtgtgc3240

actgtgtttgctgacgcaacccccactggttggggcattgccaccacctgtcagctcctt3300

tccgggactttcgctttccccctccctattgccacggcggaactcatcgccgcctgcctt3360

gcccgctgctggacaggggctcggctgttgggcactgacaattccgtggtgttgtcgggg3420

aagctgacgtcctttccatggctgctcgcctgtgttgccacctggattctgcgcgggacg3480

tccttctgctacgtcccttcggccctcaatccagcggaccttccttcccgcggcctgctg3540

ccggctctgcggcctcttccgcgtcttcgccttcgccctcagacgagtcggatctccctt3600

tgggccgcctccccgcctggaattcgagctcggtacctttaagaccaatgacttacaagg3660

cagctgtagatcttagccactttttaaaagaaaaggggggactggaagggctaattcact3720

cccaacgaagacaagatctgctttttgcttgtactgggtctctctggttagaccagatct3780

gagcctgggagctctctggctaactagggaacccactgcttaagcctcaataaagcttgc3840

cttgagtgcttcaagtagtgtgtgcccgtctgttgtgtgactctggtaactagagatccc3900

tcagacccttttagtcagtgtggaaaatctctagcagtagtagttcatgtcatcttatta3960

ttcagtatttataacttgcaaagaaatgaatatcagagagtgagaggaacttgtttattg4020

cagcttataatggttacaaataaagcaatagcatcacaaatttcacaaataaagcatttt4080

tttcactgcattctagttgtggtttgtccaaactcatcaatgtatcttatcatgtctggc4140

tctagctatcccgcccctaactccgcccatcccgcccctaactccgcccagttccgccca4200

ttctccgccccatggctgactaattttttttatttatgcagaggccgaggccgcctcggc4260

ctctgagctattccagaagtagtgaggaggcttttttggaggcctagggacgtacccaat4320

tcgccctatagtgagtcgtattacgcgcgctcactggccgtcgttttacaacgtcgtgac4380

tgggaaaaccctggcgttacccaacttaatcgccttgcagcacatccccctttcgccagc4440

tggcgtaatagcgaagaggcccgcaccgatcgcccttcccaacagttgcgcagcctgaat4500

ggcgaatgggacgcgccctgtagcggcgcattaagcgcggcgggtgtggtggttacgcgc4560

agcgtgaccgctacacttgccagcgccctagcgcccgctcctttcgctttcttcccttcc4620

tttctcgccacgttcgccggctttccccgtcaagctctaaatcgggggctccctttaggg4680

ttccgatttagtgctttacggcacctcgaccccaaaaaacttgattagggtgatggttca4740

cgtagtgggccatcgccctgatagacggtttttcgccctttgacgttggagtccacgttc4800

tttaatagtggactcttgttccaaactggaacaacactcaaccctatctcggtctattct4860

tttgatttataagggattttgccgatttcggcctattggttaaaaaatgagctgatttaa4920

caaaaatttaacgcgaattttaacaaaatattaacgcttacaatttaggtggcacttttc4980

ggggaaatgtgcgcggaacccctatttgtttatttttctaaatacattcaaatatgtatc5040

cgctcatgagacaataaccctgataaatgcttcaataatattgaaaaaggaagagtatga5100

gtattcaacatttccgtgtcgcccttattcccttttttgcggcattttgccttcctgttt5160

ttgctcacccagaaacgctggtgaaagtaaaagatgctgaagatcagttgggtgcacgag5220

tgggttacatcgaactggatctcaacagcggtaagatccttgagagttttcgccccgaag5280

aacgttttccaatgatgagcacttttaaagttctgctatgtggcgcggtattatcccgta5340

ttgacgccgggcaagagcaactcggtcgccgcatacactattctcagaatgacttggttg5400

agtactcaccagtcacagaaaagcatcttacggatggcatgacagtaagagaattatgca5460

gtgctgccataaccatgagtgataacactgcggccaacttacttctgacaacgatcggag5520

gaccgaaggagctaaccgcttttttgcacaacatgggggatcatgtaactcgccttgatc5580

gttgggaaccggagctgaatgaagccataccaaacgacgagcgtgacaccacgatgcctg5640

tagcaatggcaacaacgttgcgcaaactattaactggcgaactacttactctagcttccc5700

ggcaacaattaatagactggatggaggcggataaagttgcaggaccacttctgcgctcgg5760

cccttccggctggctggtttattgctgataaatctggagccggtgagcgtgggtctcgcg5820

gtatcattgcagcactggggccagatggtaagccctcccgtatcgtagttatctacacga5880

cggggagtcaggcaactatggatgaacgaaatagacagatcgctgagataggtgcctcac5940

tgattaagcattggtaactgtcagaccaagtttactcatatatactttagattgatttaa6000

aacttcatttttaatttaaaaggatctaggtgaagatcctttttgataatctcatgacca6060

aaatcccttaacgtgagttttcgttccactgagcgtcagaccccgtagaaaagatcaaag6120

gatcttcttgagatcctttttttctgcgcgtaatctgctgcttgcaaacaaaaaaaccac6180

cgctaccagcggtggtttgtttgccggatcaagagctaccaactctttttccgaaggtaa6240

ctggcttcagcagagcgcagataccaaatactgttcttctagtgtagccgtagttaggcc6300

accacttcaagaactctgtagcaccgcctacatacctcgctctgctaatcctgttaccag6360

tggctgctgccagtggcgataagtcgtgtcttaccgggttggactcaagacgatagttac6420

cggataaggcgcagcggtcgggctgaacggggggttcgtgcacacagcccagcttggagc6480

gaacgacctacaccgaactgagatacctacagcgtgagctatgagaaagcgccacgcttc6540

ccgaagggagaaaggcggacaggtatccggtaagcggcagggtcggaacaggagagcgca6600

cgagggagcttccagggggaaacgcctggtatctttatagtcctgtcgggtttcgccacc6660

tctgacttgagcgtcgatttttgtgatgctcgtcaggggggcggagcctatggaaaaacg6720

ccagcaacgcggcctttttacggttcctggccttttgctggccttttgctcacatgttct6780

ttcctgcgttatcccctgattctgtggataaccgtattaccgcctttgagtgagctgata6840

ccgctcgccgcagccgaacgaccgagcgcagcgagtcagtgagcgaggaagcggaagagc6900

gcccaatacgcaaaccgcctctccccgcgcgttggccgattcattaatgcagctggcacg6960

acaggtttcccgactggaaagcgggcagtgagcgcaacgcaattaatgtgagttagctca7020

ctcattaggcaccccaggctttccactttatgcttccggctcgtatgttgtgtggaattg7080

tgagcggataacaatttcacacaggaaacagctatgaccatgattacgccaagcgcgcaa7140

ttaaccctcactaaagggaacaaaagctggagctgcaagcttaatgtagtcttatgcaat7200

actcttgtagtcttgcaacatggtaacgatgagttagcaacatgccttacaaggagagaa7260

aaagcaccgtgcatgccgattggtggaagtaaggtggtacgatcgtgccttattaggaag7320

gcaacagacgggtctgacatggattggacgaaccactgaattgccgcattgcagagatat7380

tgtatttaagtgcctagctcgatacataaac7411

<210>5

<211>17

<212>dna

<213>artificialsequence

<220>

<223>gg(1-2)-forward-primer-1

<400>5

tgcatgccgattggtgg17

<210>6

<211>30

<212>dna

<213>artificialsequence

<220>

<223>gg(1-2)-forward-primer-2

<400>6

gatacataaacgtctctctggttagaccag30

<210>7

<211>18

<212>dna

<213>artificialsequence

<220>

<223>gg(1-2)-rerward-primer-1

<400>7

tcagcggccgcttgctgt18

<210>8

<211>30

<212>dna

<213>artificialsequence

<220>

<223>gg(1-2)-rerward-primer-2

<400>8

ccagagagacgtttatgtatcgagctaggc30

<210>9

<211>19

<212>dna

<213>artificialsequence

<220>

<223>mut(1569-1577)-forward-primer-1

<400>9

aagcggccgctgatcttca19

<210>10

<211>34

<212>dna

<213>artificialsequence

<220>

<223>mut(1569-1577)-forward-primer-2

<400>10

gtatcgactagttgtaaaagaaaaggggggattg34

<210>11

<211>19

<212>dna

<213>artificialsequence

<220>

<223>mut(1569-1577)-rerward-primer-1

<400>11

gcttatcgataaaattttg19

<210>12

<211>29

<212>dna

<213>artificialsequence

<220>

<223>mut(1569-1577)-rerward-primer-2

<400>12

tttacaactagtcgataccgtcgagatcc29

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