Mapping the genetic determinants of human immunodeficiency virus type 2 for cell tropism and replication efficiency

Mapping the genetic determinants of human immunodeficiency virus type 2 for cell tropism and... Two distinct infectious molecular clones of human immunodeficiency type 2 (HIV-2) were analyzed for their biological properties in six cell lines. Fourteen chimeric and ten mutant viruses were constructed from these two viral genomes to localize the genetic determinants responsible for the phenotypes. Growth property of the viruses in the cell lines, together with the biochemical data, showed that a major determinant for the viral tropism resides in the env gene. In addition, in some cell lines, the accessory genes vif and nef affected the efficiency of virus replication. Thus, like HIV-1, mutations in the auxiliary and env genes of HIV-2 contributed much to the differences in virological characteristics. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Mapping the genetic determinants of human immunodeficiency virus type 2 for cell tropism and replication efficiency

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Publisher
Springer-Verlag
Copyright
Copyright © Wien by 1998 Springer-Verlag/
Subject
Legacy
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s007050050307
Publisher site
See Article on Publisher Site

Abstract

Two distinct infectious molecular clones of human immunodeficiency type 2 (HIV-2) were analyzed for their biological properties in six cell lines. Fourteen chimeric and ten mutant viruses were constructed from these two viral genomes to localize the genetic determinants responsible for the phenotypes. Growth property of the viruses in the cell lines, together with the biochemical data, showed that a major determinant for the viral tropism resides in the env gene. In addition, in some cell lines, the accessory genes vif and nef affected the efficiency of virus replication. Thus, like HIV-1, mutations in the auxiliary and env genes of HIV-2 contributed much to the differences in virological characteristics.

Journal

Archives of VirologySpringer Journals

Published: Mar 1, 1998

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