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J Virol. 2006 Jul;80(14):7260-4.

Infection of naive target cells with virus-like particles: implications for the function of ebola virus VP24.

Author information

1
Institut für Virologie, Philipps Universität Marburg, Marburg, Germany.

Abstract

Infectious virus-like particle (iVLP) systems have recently been established for several negative-strand RNA viruses, including the highly pathogenic Zaire ebolavirus (ZEBOV), and allow study of the viral life cycle under biosafety level 2 conditions. However, current systems depend on the expression of viral helper nucleocapsid proteins in target cells, thus making it impossible to determine whether ribonucleoprotein complexes transferred by iVLPs are able to facilitate initial transcription, an indispensable step in natural infection. Here we describe a ZEBOV iVLP system which overcomes this limitation and show that VP24 is essential for the formation of a functional ribonucleoprotein complex.

PMID:
16809331
PMCID:
PMC1489071
DOI:
10.1128/JVI.00051-06
[Indexed for MEDLINE]
Free PMC Article
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