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Erschienen in: Archives of Virology 4/2020

25.02.2020 | Original Article

Common and unique mechanisms of filamentous actin formation by viruses of the genus Orthorubulavirus

verfasst von: Keisuke Ohta, Yusuke Matsumoto, Machiko Nishio

Erschienen in: Archives of Virology | Ausgabe 4/2020

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Abstract

We previously found that infection with human parainfluenza virus type 2 (hPIV-2), a member of the genus Orthorubulavirus, family Paramyxoviridae, causes filamentous actin (F-actin) formation to promote viral growth. In the present study, we investigated whether similar regulation of F-actin formation is observed in infections with other rubulaviruses, such as parainfluenza virus type 5 (PIV-5) and simian virus 41 (SV41). Infection with these viruses caused F-actin formation and RhoA activation, which promoted viral growth. These results indicate that RhoA-induced F-actin formation is important for efficient growth of these rubulaviruses. Only SV41 and hPIV-2 V and P proteins bound to Graf1, while the V and P proteins of PIV-5, mumps virus, and hPIV-4 did not bind to Graf1. In contrast, the V proteins of these rubulaviruses bound to both inactive RhoA and profilin 2. These results suggest that there are common and unique mechanisms involved in regulation of F-actin formation by members of the genus Orthorubulavirus.
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Metadaten
Titel
Common and unique mechanisms of filamentous actin formation by viruses of the genus Orthorubulavirus
verfasst von
Keisuke Ohta
Yusuke Matsumoto
Machiko Nishio
Publikationsdatum
25.02.2020
Verlag
Springer Vienna
Erschienen in
Archives of Virology / Ausgabe 4/2020
Print ISSN: 0304-8608
Elektronische ISSN: 1432-8798
DOI
https://doi.org/10.1007/s00705-020-04565-y

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