Journal
JOURNAL OF VIROLOGY
Volume 85, Issue 18, Pages 9651-9654Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/JVI.00316-11
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- Advancing a Healthier Wisconsin fund
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Picornaviruses rearrange cellular membranes to form cytosolic replication sites. In the case of poliovirus and several other picornaviruses, these membranes are derived from subversion of the cellular autophagy pathway. We also reported observation of autophagosome-like structures during infection by two human rhinoviruses (HRVs), HRV-2 and HRV-14 (W. T. Jackson et al., PLoS Biol. 3:e156, 2005). Another group reported that HRV-2 does not induce autophagosomes or respond to changes in cellular autophagy (M. Brabec-Zaruba, U. Berka, D. Blaas, and R. Fuchs, J. Virol. 81:10815-10817, 2007). In this study, we tested HRV-2-infected cells for activation of autophagic signaling and changes in virus growth in response to changes in autophagy levels. Our data indicate that HRV-2 induces and subverts the autophagic machinery to promote its own replication.
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