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狂犬病病毒HEP-Flury M基因重排后在小鼠神经母细胞瘤细胞中的表型分析

梅明珠, 杨先锋, 龙腾, 张琼, 赵静, 田钦, 彭娇娇, 罗均, 姜贺, 林颖仪, 林志雄, 郭霄峰

梅明珠, 杨先锋, 龙腾, 等. 狂犬病病毒HEP-Flury M基因重排后在小鼠神经母细胞瘤细胞中的表型分析[J]. 华南农业大学学报, 2020, 41(2): 33-39. DOI: 10.7671/j.issn.1001-411X.201907010
引用本文: 梅明珠, 杨先锋, 龙腾, 等. 狂犬病病毒HEP-Flury M基因重排后在小鼠神经母细胞瘤细胞中的表型分析[J]. 华南农业大学学报, 2020, 41(2): 33-39. DOI: 10.7671/j.issn.1001-411X.201907010
MEI Mingzhu, YANG Xianfeng, LONG Teng, et al. Phenotypic consequences of M gene rearrangement of rabies virus HEP-Flury in mouse neuroblastoma cells[J]. Journal of South China Agricultural University, 2020, 41(2): 33-39. DOI: 10.7671/j.issn.1001-411X.201907010
Citation: MEI Mingzhu, YANG Xianfeng, LONG Teng, et al. Phenotypic consequences of M gene rearrangement of rabies virus HEP-Flury in mouse neuroblastoma cells[J]. Journal of South China Agricultural University, 2020, 41(2): 33-39. DOI: 10.7671/j.issn.1001-411X.201907010

狂犬病病毒HEP-Flury M基因重排后在小鼠神经母细胞瘤细胞中的表型分析

基金项目: “十三五”国家重点专项(2016YFD0500400);国家自然科学基金(31172322);国家重大科学仪器设备开发专项(2012YQ09019705)
详细信息
    作者简介:

    梅明珠(1981—),女,博士,E-mail: meimz@126.com

    通讯作者:

    林志雄(1964—),男,研究员,硕士,E-mail: linzhixiong@139.com

    郭霄峰(1963—),男,教授,博士,E-mail: xfguo@scau.edu.cn

  • 中图分类号: S855.3

Phenotypic consequences of M gene rearrangement of rabies virus HEP-Flury in mouse neuroblastoma cells

  • 摘要:
    目的 

    探究狂犬病病毒HEP-Flury M基因重排对基因转录和蛋白表达的影响,揭示病毒在小鼠神经母细胞瘤(NA)细胞中的表型变化与M基因重排的相关性。

    方法 

    通过荧光定量PCR、Western blot以及病毒在NA细胞中的生长和扩散试验,对亲本毒株rHEP-Flury和M基因重排毒株M2、M4在NA细胞中的基因转录、表达、生长和扩散进行比较。

    结果 

    狂犬病病毒结构基因的转录和表达主要受病毒基因组RNA合成的影响,但是在一个完整转录过程中单个结构基因的转录比例与其所在位置相关,M基因重排病毒的Leader RNA (LeRNA)和L mRNA的转录比例显著高于亲本毒株rHEP-Flury。M基因重排病毒在NA细胞中的生长和扩散都劣于亲本毒株rHEP-Flury。

    结论 

    狂犬病病毒亲本毒株rHEP-Flury具有狂犬病病毒原始的基因组顺序,在NA细胞中的生长和扩散都明显优于M基因重排病毒。结构基因在基因组中的位置主要决定其在一次转录过程中的转录比例,进而影响病毒在NA细胞中的生长和扩散。

    Abstract:
    Objective 

    To explore the effects of M gene rearrangement of rabies virus HEP-Flury on gene transcription and protein expression, reveal the correlation between phenotypic consequences of virus in mouse neuroblastoma (NA) cells and M gene rearrangement.

    Method 

    The gene transcription, expression, growth and spread of parent strain rHEP-Flury and M gene rearranged virus stains (M2 and M4) in infected NA cells were compared by fluorescence quantitative PCR, Western blot, growth and spread experiments of virus in NA cells.

    Result 

    The transcription and expression of rabies virus structural gene were mainly affected by RNA synthesis of virus genome. The gene position mainly affected the ratio of transcription in a complete transcription process. The transcription ratios of leader RNA (LeRNA) and L mRNA of M gene rearranged viruses were significanthy higher than those of rHEP-Flury. The growth and spread of M gene rearranged viruses in NA cells were inferiorer than rHEP-Flury.

    Conclusion 

    rHEP-Flury has wild-type gene order of rabies virus. Its growth and spread in NA cells are superiorer to M gene rearranged viruses. The position of structural gene in genome determines its transcription ratio in a complete transcription process and affects the growth and spread of virus in NA cells.

  • 图  1   病毒基因顺序的鉴定

    M:DNA marker;泳道1、2、3:无菌双蒸水;泳道4、5、6:亲本毒株rHRP-Flury;泳道7、8、9:M基因重排病毒M2;泳道10、11、12:M基因重排病毒M4

    Figure  1.   Determination of gene order in virus genome

    M: DNA marker; Lane 1, 2, 3: Sterile double distilled water; Lane 4, 5, 6: Parent strain rHEP-Flury; Lane 7, 8, 9: M gene rearranged virus M2; Lane 10, 11, 12: M gene rearranged virus M4

    图  2   不同病毒感染的神经母细胞瘤细胞中病毒基因的转录和表达

    “**”和“****”分别表示在0.01和0.000 1水平差异显著(双因素方差分析法)

    Figure  2.   Transcription and expression of virus gene in neuroblastoma cells infected by different viruses

    “**” and “****” indicated significant differences at 0.01 and 0.000 1 levels respectively (Two-way anova method)

    图  3   不同病毒感染的神经母细胞瘤细胞细胞中的蛋白表达

    1:rHEP-Flury感染;2:M2感染;3:M4感染;4:无病毒感染

    Figure  3.   Protein expression in neuroblastoma cells infected by different viruses

    1: rHEP-Flury infection; 2: M2 infection; 3:M4 infection; 4: No virus infection

    图  4   不同病毒感染的神经母细胞瘤细胞中的蛋白表达

    Figure  4.   Protein expression in neuroblastoma cells infected by different viruses

    图  5   狂犬病病毒在神经母细胞瘤细胞中的生长

    “*”和“**”分别表示在0.05和0.01水平差异显著(双因素方差分析法)

    Figure  5.   Growth of rabies virus in neuroblastoma cells

    “*” and “**” indicated significant differences at 0.05 and 0.01 levels respectively (Two-way anova method)

    图  6   狂犬病病毒在神经母细胞瘤细胞中的扩散

    Figure  6.   Spread of rabies virus in neuroblastoma cells

    表  1   用于M基因重排病毒基因顺序鉴定的引物

    Table  1   Primers used for gene order verification of M gene rearranged virus

    引物名称
    Primer name
    引物序列(5′→3′)
    Primer sequence
    D-F CTTAACAACAAAACCAAAGAAGAAGCAG
    P-R CATCTCAAGATCGGCCAGACCG
    N-R TGAAGTTCGGTATAGTACTCC
    M-R GTCCTCATCCCTACAGTTTTTC
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出版历程
  • 收稿日期:  2019-07-06
  • 网络出版日期:  2023-05-17
  • 刊出日期:  2020-03-09

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