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Identification and characterization of two new HIV type 1 Unique (B/C) recombinant forms in China
Yongjian Liu1, Lin Li, Shaomin Yang
1Department of HIV/AIDS Research, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
Abstract:
Recombination was most important in the generation of new viral strains and in the increase of HIV diversity. There were more and more new HIV-1 strains. Not only circulating recombinant forms (CRFs) but also unique recombinant forms (URFs) have been reported around the world. CRF07_BC and CRF08_BC were the two predominant CRFs circulated in Yunnan Province, southwest China. In the present study, we identified two new HIV Type 1 unique (B/C) recombinant gorms in Yunnan Province by nucleotide sequencing in two halves of HIV genome. Although the genomic structures of the two B/C recombinants were different from previously identified CRFs (CRF07_BC and CRF08_BC) and URFs in Yunnan Pprovince, they have several common recombination sites with CRF07_BC and CRF08_BC.
