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Published in: Virology Journal 1/2015

Open Access 01-12-2015 | Short report

Proteomic analysis of HIV-1 Gag interacting partners using proximity-dependent biotinylation

Authors: Valerie Le Sage, Alessandro Cinti, Fernando Valiente-Echeverría, Andrew J. Mouland

Published in: Virology Journal | Issue 1/2015

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Abstract

Background

The human immunodeficiency virus type 1 (HIV-1) Gag polyprotein is necessary and sufficient to assemble non-infectious particles. Given that HIV-1 subverts many host proteins at all stages of its life cycle, it is essential to identify these interactions as potential targets for antiretroviral therapy.

Findings

This work demonstrates the use of proximity-dependent biotin identification (BioID) of host proteins and complexes that are proximal to the N-terminal domains of the HIV-1 Gag polyprotein. Two of the hits identified in the BioID screen were validated by immunoprecipation and confirmed the interaction of DDX17 and RPS6 with HIV-1 Gag.

Conclusions

Our results show that BioID is both a successful and complementary method to screen for nearby interacting proteins of HIV-1 Gag during the replicative cycle in different cell lines.
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Metadata
Title
Proteomic analysis of HIV-1 Gag interacting partners using proximity-dependent biotinylation
Authors
Valerie Le Sage
Alessandro Cinti
Fernando Valiente-Echeverría
Andrew J. Mouland
Publication date
01-12-2015
Publisher
BioMed Central
Published in
Virology Journal / Issue 1/2015
Electronic ISSN: 1743-422X
DOI
https://doi.org/10.1186/s12985-015-0365-6

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