Inhibition of VSV and EMCV replication by the interferon-induced GTPase, mGBP-2: differential requirement for wild-type GTP binding domain

Inhibition of VSV and EMCV replication by the interferon-induced GTPase, mGBP-2: differential... Interferons (IFNs) exert their anti-viral activities through the induction of anti-viral proteins. One member of the guanylate binding protein (GBP) family of IFN-induced GTPases, hGBP-1, has previously been shown to contribute to the antiviral activities of IFNs. Murine GBP-2 inhibited the replication of both vesicular stomatitis virus (VSV) and encephalomyocarditis virus (EMCV). A wild type GTP binding motif was not required for VSV inhibition but was required for inhibition of EMCV. This is the first demonstration of the role of enzymatic activity in the antiviral activities of GBPs and these findings suggest different mechanisms of inhibition for the two viruses. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Inhibition of VSV and EMCV replication by the interferon-induced GTPase, mGBP-2: differential requirement for wild-type GTP binding domain

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Publisher
Springer-Verlag
Copyright
Copyright © 2005 by Springer-Verlag/Wien
Subject
Biomedicine; Medical Microbiology; Virology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-004-0489-2
Publisher site
See Article on Publisher Site

Abstract

Interferons (IFNs) exert their anti-viral activities through the induction of anti-viral proteins. One member of the guanylate binding protein (GBP) family of IFN-induced GTPases, hGBP-1, has previously been shown to contribute to the antiviral activities of IFNs. Murine GBP-2 inhibited the replication of both vesicular stomatitis virus (VSV) and encephalomyocarditis virus (EMCV). A wild type GTP binding motif was not required for VSV inhibition but was required for inhibition of EMCV. This is the first demonstration of the role of enzymatic activity in the antiviral activities of GBPs and these findings suggest different mechanisms of inhibition for the two viruses.

Journal

Archives of VirologySpringer Journals

Published: Jun 1, 2005

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