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© Research
Publication : Virology

The env gene variability is not directly related to the high cytopathogenicity of an HIV1 variant

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Virology - 01 Aug 1990

Spire B, Hirsch I, Neuveut C, Sire J, Chermann JC

Link to Pubmed [PMID] – 2371777

Virology 1990 Aug;177(2):756-8

HIV1-NDK is a Zairian HIV1 isolate which is unique because of its high cytopathic effect on T lymphoblastoid cell lines. Its sequence analysis has indicated 30% divergence with HIV1-LAV/BRU HTLVIII B prototype in the env gene encoding for the envelope glycoprotein gp120. In order to correlate the highly cytopathic properties with the env genetic variability, recombinants between the HIV1 prototype and HIV1-NDK have been constructed, including HIV1-NDK env gene, and their cytopathic phenotypes were analyzed. The viral hybrid containing all HIV1 prototype sequences except a large fragment including the total HIV1-NDK env gene remained at a low cytopathic phenotype. Our results suggest that sequences other than the env gene namely p18 gag, vif, and vpr are required for the high virulence of HIV1-NDK.

http://www.ncbi.nlm.nih.gov/pubmed/2371777