Analysis of Rotavirus Nonstructural Protein NSP5 Phosphorylation
نویسندگان
چکیده
منابع مشابه
Rotavirus nonstructural protein NSP5 interacts with major core protein VP2.
Rotavirus is a nonenveloped virus with a three-layered capsid. The inner layer, made of VP2, encloses the genomic RNA and two minor proteins, VP1 and VP3, with which it forms the viral core. Core assembly is coupled with RNA viral replication and takes place in definite cellular structures termed viroplasms. Replication and encapsidation mechanisms are still not fully understood, and little inf...
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We have previously shown that a number of isoforms of the non-structural rotavirus protein NSP5 are found in virus-infected cells. These isoforms differ in their level of phosphorylation which, at least in part, appears to occur through autophosphorylation. NSP5 co-localizes with another non-structural protein, NSP2, in the viroplasms of infected cells where virus replication takes place. We no...
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Nonstructural protein 3 (Nsp3) is an essential subunit of the alphavirus RNA replication complex, although its specific function(s) has yet to be well defined. Previously, it has been shown that Semliki Forest virus Nsp3 (482 amino acids) is a phosphoprotein, and, in the present study, we have mapped its major phosphorylation sites. Mass spectrometric methods utilized included precursor ion sca...
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Rotavirus is the single, most important agent of infantile gastroenteritis in many animal species, including humans. In developing countries, rotavirus infection attributes approximately 500,000 deaths annually. Like other viruses it establishes an intimate and complex interaction with the host cell to counteract the antiviral responses elicited by the cell. Among various pattern recognition re...
متن کاملIn vivo and in vitro phosphorylation of rotavirus NSP5 correlates with its localization in viroplasms.
NSP5 (NS26), the product of rotavirus gene 11, is a phosphoprotein whose role in the virus replication cycle is unknown. To gain further insight into its function, we obtained monoclonal antibodies against the baculovirus-expressed protein. By immunoprecipitation and immunoblotting experiments, we showed that (i) NSP5 appears in many different phosphorylated forms in rotavirus-infected cells; (...
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ژورنال
عنوان ژورنال: Journal of Virology
سال: 1998
ISSN: 0022-538X,1098-5514
DOI: 10.1128/jvi.72.8.6398-6405.1998