Incorporation of simian virus 5 fusion protein into murine leukemia virus particles and its effect on the co-incorporation of retroviral envelope glycoproteins

Theodora Hatziioannou, Stephen J. Russell, François Loïc Cosset

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

We describe the generation of murine leukemia virus (MLV) virus particles carrying the paramyxovirus fusion protein F from simian virus 5 (SV5-F). This glycoprotein was expressed in cells providing Moloney MLV (MoMLV) Gag and Pol proteins and a lacZ retroviral vector. SV5-F was correctly expressed, processed, and efficiently incorporated into retroviral particles. SV5-F-bearing retroviruses were not infectious although a weak binding to primate and rodent cells could be detected and SV5-F could mediate cell to cell fusion. We then co-expressed the SV5-F glycoprotein in retroviral particles with chimeric and wild-type MoMLV envelope glycoproteins. Our results show that F strongly inhibited infection via the retroviral envelopes although the mechanism of inhibition was different depending on the retroviral envelope used. (C) 2000 Academic Press.

Original languageEnglish (US)
Pages (from-to)49-57
Number of pages9
JournalVirology
Volume267
Issue number1
DOIs
StatePublished - Feb 1 2000

ASJC Scopus subject areas

  • Virology

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