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Species-specific impact of the autophagy machinery on Chikungunya virus infection. | LitMetric

AI Article Synopsis

Article Abstract

Chikungunya virus (CHIKV) is a recently re-emerged arbovirus that triggers autophagy. Here, we show that CHIKV interacts with components of the autophagy machinery during its replication cycle, inducing a cytoprotective effect. The autophagy receptor p62 protects cells from death by binding ubiquitinated capsid and targeting it to autophagolysosomes. By contrast, the human autophagy receptor NDP52--but not its mouse orthologue--interacts with the non-structural protein nsP2, thereby promoting viral replication. These results highlight the distinct roles of p62 and NDP52 in viral infection, and identify NDP52 as a cellular factor that accounts for CHIKV species specificity.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3674439PMC
http://dx.doi.org/10.1038/embor.2013.51DOI Listing

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