Species tropism of HIV-1 modulated by viral accessory proteins

Human immunodeficiency virus type 1 (HIV-1) is tropic and pathogenic only for humans, and does not replicate in macaque monkeys routinely used for experimental infections. This specially narrow host range (species tropism) has impeded much the progress of HIV-1/acquired immunodeficiency syndrome (AI...

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Main Authors: Masako eNomaguchi, Naoya eDoi, Yui eMatsumoto, Yosuke eSakai, Sachi eFujiwara, Akio eAdachi
Format: Article
Language:English
Published: Frontiers Media S.A. 2012-07-01
Series:Frontiers in Microbiology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fmicb.2012.00267/full
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author Masako eNomaguchi
Naoya eDoi
Yui eMatsumoto
Yosuke eSakai
Sachi eFujiwara
Akio eAdachi
author_facet Masako eNomaguchi
Naoya eDoi
Yui eMatsumoto
Yosuke eSakai
Sachi eFujiwara
Akio eAdachi
author_sort Masako eNomaguchi
collection DOAJ
description Human immunodeficiency virus type 1 (HIV-1) is tropic and pathogenic only for humans, and does not replicate in macaque monkeys routinely used for experimental infections. This specially narrow host range (species tropism) has impeded much the progress of HIV-1/acquired immunodeficiency syndrome (AIDS) basic research. Extensive studies on the underlying mechanism have revealed that Vif, one of viral accessory proteins, is critical for the HIV-1 species tropism in addition to Gag capsid protein. Another auxiliary protein Vpu also has been demonstrated to affect this HIV-1 property. In this review, we focus on functional interactions of these HIV-1 proteins and species specific-restriction factors. In addition, we describe an evolutional viewpoint that is relevant to the species tropism of HIV-1 controlled by the accessory proteins.
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spelling doaj.art-9b09d7a134ca46aea43588b81e8a2ea02022-12-22T02:33:55ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2012-07-01310.3389/fmicb.2012.0026732291Species tropism of HIV-1 modulated by viral accessory proteinsMasako eNomaguchi0Naoya eDoi1Yui eMatsumoto2Yosuke eSakai3Sachi eFujiwara4Akio eAdachi5The University of Tokushima Graduate SchoolThe University of Tokushima Graduate SchoolThe University of Tokushima Graduate SchoolThe University of Tokushima Graduate SchoolThe University of Tokushima Graduate SchoolThe University of Tokushima Graduate SchoolHuman immunodeficiency virus type 1 (HIV-1) is tropic and pathogenic only for humans, and does not replicate in macaque monkeys routinely used for experimental infections. This specially narrow host range (species tropism) has impeded much the progress of HIV-1/acquired immunodeficiency syndrome (AIDS) basic research. Extensive studies on the underlying mechanism have revealed that Vif, one of viral accessory proteins, is critical for the HIV-1 species tropism in addition to Gag capsid protein. Another auxiliary protein Vpu also has been demonstrated to affect this HIV-1 property. In this review, we focus on functional interactions of these HIV-1 proteins and species specific-restriction factors. In addition, we describe an evolutional viewpoint that is relevant to the species tropism of HIV-1 controlled by the accessory proteins.http://journal.frontiersin.org/Journal/10.3389/fmicb.2012.00267/fullHIV-1VifVpuspecies tropismaccessory protein
spellingShingle Masako eNomaguchi
Naoya eDoi
Yui eMatsumoto
Yosuke eSakai
Sachi eFujiwara
Akio eAdachi
Species tropism of HIV-1 modulated by viral accessory proteins
Frontiers in Microbiology
HIV-1
Vif
Vpu
species tropism
accessory protein
title Species tropism of HIV-1 modulated by viral accessory proteins
title_full Species tropism of HIV-1 modulated by viral accessory proteins
title_fullStr Species tropism of HIV-1 modulated by viral accessory proteins
title_full_unstemmed Species tropism of HIV-1 modulated by viral accessory proteins
title_short Species tropism of HIV-1 modulated by viral accessory proteins
title_sort species tropism of hiv 1 modulated by viral accessory proteins
topic HIV-1
Vif
Vpu
species tropism
accessory protein
url http://journal.frontiersin.org/Journal/10.3389/fmicb.2012.00267/full
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