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Erschienen in: Archives of Virology 12/2009

01.12.2009 | Brief Report

The porcine reproductive and respiratory syndrome virus requires trafficking through CD163-positive early endosomes, but not late endosomes, for productive infection

verfasst von: Hanne Van Gorp, Wander Van Breedam, Peter L. Delputte, Hans J. Nauwynck

Erschienen in: Archives of Virology | Ausgabe 12/2009

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Abstract

The porcine reproductive and respiratory syndrome virus (PRRSV) enters its target cell via clathrin-mediated endocytosis. Using dominant-negative Rab5 and Rab7 mutants, we show that upon internalization, PRRSV enters early endosomes but does not continue through the endocytic pathway to late endosomes. This was confirmed via colocalization experiments visualizing PRRSV and markers for different compartments of the endocytic pathway. Furthermore, it was shown that PRRSV colocalizes with its internalization receptor, sialoadhesin, on the cell surface and beneath the plasma membrane, while CD163 and PRRSV only meet in early endosomes.
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Metadaten
Titel
The porcine reproductive and respiratory syndrome virus requires trafficking through CD163-positive early endosomes, but not late endosomes, for productive infection
verfasst von
Hanne Van Gorp
Wander Van Breedam
Peter L. Delputte
Hans J. Nauwynck
Publikationsdatum
01.12.2009
Verlag
Springer Vienna
Erschienen in
Archives of Virology / Ausgabe 12/2009
Print ISSN: 0304-8608
Elektronische ISSN: 1432-8798
DOI
https://doi.org/10.1007/s00705-009-0527-1

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