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首页> 外文期刊>AIDS Research and Human Retroviruses >New insights into the origin of the HIV type 1 subtype A epidemic in former soviet union's countries derived from sequence analyses of preepidemically transmitted viruses.
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New insights into the origin of the HIV type 1 subtype A epidemic in former soviet union's countries derived from sequence analyses of preepidemically transmitted viruses.

机译:对前苏联国家的HIV 1型亚型A流行病起源的新见解来自对前流行病毒的序列分析。

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摘要

The HIV-1 subtype A epidemic affecting injecting drug users (IDU) in former Soviet Union (FSU) countries started dramatically in Odessa, southern Ukraine, in 1995, and is caused by a variant of monophyletic origin, often designated IDU-A. We phylogenetically analyzed one near full-length genome and two partial sequences of three HIV-1 subtype A viruses collected in St. Petersburg, Russia, heterosexually transmitted in 1992-1994. The sequences branched basally to the IDU-A clade, together with eight viruses from Odessa collected in 1993, all presumably acquired heterosexually, and two viruses from the Democratic Republic of Congo. Of all other FSU sequences in databases, only those from three recently collected viruses, one from Ukraine and two from northwestern Russia, at least one of them acquired heterosexually, branched basally to the IDU-A cluster. The results indicate that the FSU IDU-A variant derives from a strain that initially propagated heterosexually in Ukraine and originated in central Africa.
机译:1995年,前苏联国家(FSU)中的影响注射吸毒者(IDU)的HIV-1亚型A流行病始于乌克兰南部的敖德萨,其起因是单一起源的变种,通常被称为IDU-A。我们在系统发育上分析了1992-1994年在俄罗斯圣彼得堡收集的三种HIV-1亚型A病毒的近全长基因组和两个部分序列。这些序列与1993年从敖德萨(Odessa)收集的八种病毒(基本上都是异性恋)以及两种来自刚果民主共和国的病毒一起基本分支到IDU-A进化枝上。在数据库中的所有其他FSU序列中,只有来自最近收集的三种病毒的序列,一种来自乌克兰,另一种来自俄罗斯西北部,其中至少一种是异性恋的,基本分支到IDU-A簇。结果表明,FSU IDU-A变体源自最初在乌克兰异性繁殖并起源于中非的菌株。

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