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Tips from the journals of the American Society for Microbiology
Date:11/16/2010

rict production of enveloped viruses besides HIV-1, including HIV-2, simian immunodeficiency virus, Kaposi's sarcoma herpes virus, Lassa virus, Marburg virus, and Ebola virus. It interferes with release of new virus particles by anchoring one end of itself in the plasma membrane of the infected cell while the other end becomes inserted into the viral envelope.

Different viruses have evolved various countermeasures. For example, in the case of HIV-1, the viral protein Vpu downregulates BST-2 from the cell surface, removing it from virus budding sites.

"The antiviral function of BST-2 has been extensively studied by a number of groups besides ours," says Chen. "Our hope is that the results of all of these studies can eventually be used to develop a BST-2 based anti-HIV-1 therapy."

(J. Zhang, C. Liang. 2010. BST-2 Diminishes HIV-1 Infectivity. Journal of Virology; 84.23: 12336-12343.)


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Contact: Jim Sliwa
jsliwa@asmusa.org
202-942-9297
American Society for Microbiology
Source:Eurekalert

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