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Proviral progeny of heterodimeric virions reveal a high crossover rate for human immunodeficiency virus type 2.


ABSTRACT: Human immunodeficiency virus type 1 (HIV-1), the causative agent of AIDS in humans, exhibits a very high rate of recombination. Bearing in mind the significant epidemiological and clinical contrast between HIV-2 and HIV-1 as well as the critical role that recombination plays in viral evolution, we examined the nature of HIV-2 recombination. Towards this end, a strategy was devised to measure the rate of crossover of HIV-2 by evaluating recombinant progeny produced exclusively by heterodimeric virions. The results showed that HIV-2 exhibits a crossover rate similar to that of HIV-1 and murine leukemia virus, indicating that the extremely high rate of crossover is a common retroviral feature.

SUBMITTER: Mukherjee S 

PROVIDER: S-EPMC1676297 | biostudies-literature | 2006 Dec

REPOSITORIES: biostudies-literature

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Proviral progeny of heterodimeric virions reveal a high crossover rate for human immunodeficiency virus type 2.

Mukherjee Sayandip S   Lee Hui-Ling Rose HL   Ron Yacov Y   Dougherty Joseph P JP  

Journal of virology 20061004 24


Human immunodeficiency virus type 1 (HIV-1), the causative agent of AIDS in humans, exhibits a very high rate of recombination. Bearing in mind the significant epidemiological and clinical contrast between HIV-2 and HIV-1 as well as the critical role that recombination plays in viral evolution, we examined the nature of HIV-2 recombination. Towards this end, a strategy was devised to measure the rate of crossover of HIV-2 by evaluating recombinant progeny produced exclusively by heterodimeric vi  ...[more]

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