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Review
. 2014 Dec:9:104-10.
doi: 10.1016/j.coviro.2014.09.018. Epub 2014 Oct 16.

Bromovirus-induced remodeling of host membranes during viral RNA replication

Arturo Diaz  1 , Xiaofeng Wang  2
Affiliations
Review

Bromovirus-induced remodeling of host membranes during viral RNA replication

Arturo Diaz et al. Curr Opin Virol. 2014 Dec.

Abstract

With its high yield, small genome, and ability to replicate in the yeast Saccharomyces cerevisiae, Brome mosaic virus (BMV) has served as a productive model to study the general features of positive-strand RNA virus infection. BMV RNA is replicated in spherules, vesicle-like invaginations of the outer perinuclear endoplasmic reticulum membrane that remain connected to the cytoplasm via a neck-like opening. Each spherule contains the viral replicase proteins as well as genomic RNAs. Recent advances indicate that multiple interactions between the viral proteins with themselves, cellular membranes, and host factors play crucial roles in BMV-mediated spherule formation. These findings are probably applicable to other positive-strand RNA viruses and might potentially provide new targets for antiviral treatments.

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