Properties of a chimeric simian-human immunodeficiency virus expressing an hybrid HIV-1 Nef/SIVmac Nef protein

Properties of a chimeric simian-human immunodeficiency virus expressing an hybrid HIV-1... The nef genes of human and simian immunodeficiency viruses code for a membrane associated protein critical for AIDS development. SIVmac Nef presents C-terminal a 27 amino acid extension absent of HIV-1 Nef. To estimate the influence of this C-terminal domain on virus properties, we constructed viruses derived from SIVmac239 by replacing SIV nef with HIV-1 Lai nef gene (SHIV NefLai4) or with a sequence encoding a Nef fusion protein: HIV-1 Lai Nef/SIV Nef-Cterm (SHIV-Cterm). The recombinant viruses replicated efficiently in vitro in CEMx174 cells and in activated macaque PBMCs. The addition of SIV Nef C-terminal domain to HIV-1 Nef in SHIVNefLai4 did not change the in vitro properties of the chimeric virus, both viruses being more infectious than a nef deleted virus. Although the half-life of Nef fusion protein was augmented, SHIV-Cterm remained slightly less infectious than SIVmac239. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Properties of a chimeric simian-human immunodeficiency virus expressing an hybrid HIV-1 Nef/SIVmac Nef protein

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Publisher
Springer-Verlag
Copyright
Copyright © 2002 by Springer-Verlag/Wien
Subject
Legacy
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-002-0857-8
Publisher site
See Article on Publisher Site

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