Journal
VIROLOGY
Volume 479, Issue -, Pages 418-433Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.virol.2015.02.029
Keywords
Positive strand RNA virus; RNA replication; Membrane; RNA synthesis; Host factor; Replication factory
Categories
Funding
- Deutsche Forschungsgemeinschaft [LO 1556/1-2, TRR77, TPA1, FOR1202 TP3]
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Positive strand RNA viruses replicate in the cytoplasm of infected cells and induce intracellular membranous compartments harboring the sites of viral RNA synthesis. These replication factories are supposed to concentrate the components of the replicase and to shield replication intermediates from the host cell innate immune defense. Virus induced membrane alterations are often generated in coordination with host factors and can be grouped into different morphotypes. Recent advances in conventional and electron microscopy have contributed greatly to our understanding of their biogenesis, but still many questions remain how viral proteins capture membranes and subvert host factors for their need. In this review, we will discuss different representatives of positive strand RNA viruses and their ways of hijacking cellular membranes to establish replication complexes. We will further focus on host cell factors that are critically involved in formation of these membranes and how they contribute to viral replication. (C) 2015 Elsevier Inc. All rights reserved.
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