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Characterization of severe acute respiratory syndrome coronavirus membrane protein.

Identifieur interne : 003F57 ( Main/Exploration ); précédent : 003F56; suivant : 003F58

Characterization of severe acute respiratory syndrome coronavirus membrane protein.

Auteurs : Daniel Voss [Allemagne] ; Anika Kern ; Elisabetta Traggiai ; Markus Eickmann ; Konrad Stadler ; Antonio Lanzavecchia ; Stephan Becker

Source :

RBID : pubmed:16442106

Descripteurs français

English descriptors

Abstract

The coronavirus membrane protein (M) is the key player in the assembly of virions at intracellular membranes between endoplasmic-reticulum and Golgi-complex. Using a newly established human monoclonal anti-M antibody we detected glycosylated and nonglycosylated membrane-associated M in severe acute respiratory syndrome-associated coronavirus (SARS-CoV) infected cells and in purified virions. Further analyses revealed that M contained a single N-glycosylation site at asparagine 4. Recombinant M was transported to the plasma membrane and gained complex-type N-glycosylation. In SARS-CoV infected cells and in purified virions, however, N-glycosylation of M remained endoglycosidase H-sensitive suggesting that trimming of the N-linked sugar side chain is inhibited.

DOI: 10.1016/j.febslet.2006.01.026
PubMed: 16442106


Affiliations:


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Le document en format XML

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<div type="abstract" xml:lang="en">The coronavirus membrane protein (M) is the key player in the assembly of virions at intracellular membranes between endoplasmic-reticulum and Golgi-complex. Using a newly established human monoclonal anti-M antibody we detected glycosylated and nonglycosylated membrane-associated M in severe acute respiratory syndrome-associated coronavirus (SARS-CoV) infected cells and in purified virions. Further analyses revealed that M contained a single N-glycosylation site at asparagine 4. Recombinant M was transported to the plasma membrane and gained complex-type N-glycosylation. In SARS-CoV infected cells and in purified virions, however, N-glycosylation of M remained endoglycosidase H-sensitive suggesting that trimming of the N-linked sugar side chain is inhibited.</div>
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