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AIDS Res Hum Retroviruses. 2003 Aug;19(8):719-25.

Near full-length genome characterization of an HIV type 1 CRF05_DF virus from Spain.

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  • 1National Microbiology Center, Carlos III Institute of Health, Ctra. Majadahonda-Pozuelo, Km. 2, 28220 Majadahonda, Madrid, Spain.

Abstract

We report the near full-length sequence characterization of a HIV-1 DF intersubtype recombinant virus from Spain, X492, directly amplified from peripheral blood mononuclear cells' DNA. This isolate shares an identical mosaic structure and exhibits consistent phylogenetic clustering along the genome with VI961, a previously characterized DF recombinant virus. By contrast, VI1310, which may represent the same recombinant form as VI961 (CRF05_DF), is only partially homologous to VI961 and X492. Of three additional DF recombinant viruses previously characterized in gag-pol, only one, VI1267, clusters uniformly with VI961 and X492; the other two branch separately in a segment of pol. These results allow us to define an HIV-1 circulating recombinant form (CRF05_DF), characterized in near full-length genomes of two isolates (VI961 and X492) and in partial gag-pol sequences of a third virus (VI1267). Three other reported DF recombinant viruses, including the fully sequenced VI1310, exhibit incomplete homology to VI961 and X492.

PMID:
14506788
[PubMed - indexed for MEDLINE]
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