Variability of the NS(S) protein among Rift Valley fever virus isolates.

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Variability of the NS(S) protein among Rift Valley fever virus isolates.

Eighteen strains of Rift Valley fever (RVF) virus collected over a period of 38 years and isolated from diverse localities in Africa and from various hosts (human, animal and arthropod) were investigated by RT-PCR followed by sequencing of the NS(S) protein coding region. This region was chosen to analyse variability because, in contrast to the N protein, the NS(S) protein differs in various ph...

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Genetic evidence for an interferon-antagonistic function of rift valley fever virus nonstructural protein NSs.

Rift Valley fever virus (RVFV), a phlebovirus of the family Bunyaviridae, is a major public health threat in Egypt and sub-Saharan Africa. The viral and host cellular factors that contribute to RVFV virulence and pathogenicity are still poorly understood. All pathogenic RVFV strains direct the synthesis of a nonstructural phosphoprotein (NSs) that is encoded by the smallest (S) segment of the t...

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NSs protein of Rift Valley fever virus blocks interferon production by inhibiting host gene transcription.

Rift Valley fever virus (RVFV) is an important cause of epizootics and epidemics in Africa and a potential agent of bioterrorism. A better understanding of the factors that govern RVFV virulence and pathogenicity is required, given the urgent need for antiviral therapies and safe vaccines. We have previously shown that RVFV strains with mutations in the NSs gene are excellent inducers of alpha/...

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ژورنال

عنوان ژورنال: Journal of General Virology

سال: 1997

ISSN: 0022-1317,1465-2099

DOI: 10.1099/0022-1317-78-11-2853