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Near Full-Length Genomic Characterization of 16 HIV-1 CRF01_AE Primary Isolates from Guangxi, China
AIDS Research and Human Retroviruses  (IF2.205),  Pub Date : 2021-07-01, DOI: 10.1089/aid.2020.0277
Guoxin Zhu, Jingwan Han, Hanping Li, Yongjian Liu, Lei Jia, Tianyi Li, Xiaolin Wang, Jingyun Li, Shenghai Huang, Lin Li

Isolation and culture of human immunodeficiency virus (HIV) are an important basis for acquired immune deficiency syndrome (AIDS) etiology, immunology, drug screening, clinical treatment, and vaccine research. CRF01_AE is one of the predominant strains of HIV-1 in China. However, there are few HIV-1 CRF01_AE isolates that have been reported. In this study, 16 HIV-1 CRF01_AE strains from Guangxi, China, were isolated, and the near full-length genomes were reverse transcribed and amplified in two halves with the 1 kb overlapping region. The polymerase chain reaction products were sequenced directly. The phylogenetic analysis results showed that all of the 16 isolated strains were CRF01_AE recombinant form, and two clusters were set up in the phylogenetic tree. The tropic prediction of 16 strains showed that 2 isolates were CCR5 tropic, and the others are CXCR4 tropic. Eight of the isolated strains are drug resistant according to the genetic prediction. These 16 near full-length characterized CRF01_AE isolates obtained in this study will provide valuable genomic and phenotypic information on HIV-1 strains circulating in China for related researches.