APOBEC-mediated editing of viral RNA

APOBEC-mediated editing of viral RNA
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DOI:
10.1126/science.1100658
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发表时间:
2004-07-30
期刊:
影响因子:
56.9
通讯作者:
Malim, MH
Malim, MH
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Bishop, KN;Holmes, RK;Malim, MH

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逆转录病毒DNA可以通过胞苷脱氨酶APOBEC家族成员的作用进行胞嘧啶到尿嘧啶的编辑。在这里,我们证明了apobecc介导的人类免疫缺陷病毒(HIV)病毒粒子RNA的胞苷脱胺也可以发生。我们推测APOBEC酶的天然底物可能通过DNA中间体扩展到不能复制的RNA病毒。因此,胞嘧啶-尿嘧啶编辑可能有助于许多病毒的序列多样化。
Retroviral DNA can be subjected to cytosine-to-uracil editing through the action of members of the APOBEC family of cytidine deaminases. Here we demonstrate that APOBEC-mediated cytidine deamination of human immunodeficiency virus (HIV) virion RNA can also occur. We speculate that the natural substrates of the APOBEC enzymes may extend to RNA viruses that do not replicate through DNA intermediates. Thus, cytosine-to-uracil editing may contribute to the sequence diversification of many viruses.