Complete and Incomplete Genome Packaging of Influenza A and B Viruses
نویسندگان
چکیده
منابع مشابه
Complete and Incomplete Genome Packaging of Influenza A and B Viruses
UNLABELLED The genomes of influenza A and B viruses comprise eight segmented, single-stranded, negative-sense viral RNAs (vRNAs). Although segmentation of the virus genome complicates the packaging of infectious progeny into virions, it provides an evolutionary benefit in that it allows viruses to exchange vRNAs with other strains. Influenza A viruses are believed to package their eight differe...
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The genome of influenza A viruses (IAV) consists of eight single-stranded negative sense viral RNAs (vRNAs) encapsidated into viral ribonucleoproteins (vRNPs). It is now well established that genome packaging (i.e., the incorporation of a set of eight distinct vRNPs into budding viral particles), follows a specific pathway guided by segment-specific cis-acting packaging signals on each vRNA. Ho...
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چکیده ندارد.
Genome packaging in influenza A virus.
The negative-sense RNA genome of influenza A virus is composed of eight segments, which encode 12 proteins between them. At the final stage of viral assembly, these genomic virion (v)RNAs are incorporated into the virion as it buds from the apical plasma membrane of the cell. Genome segmentation confers evolutionary advantages on the virus, but also poses a problem during virion assembly as at ...
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The majority of positive-strand RNA viruses of plants replicate and selectively encapsidate their progeny genomes into stable virions in cytoplasmic compartments of the cell where the opportunity to copackage cellular RNA also exists. Remarkably, highly purified infectious virions contain almost exclusively viral RNA, suggesting that mechanisms exist to regulate preferential packaging of viral ...
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ژورنال
عنوان ژورنال: mBio
سال: 2016
ISSN: 2161-2129,2150-7511
DOI: 10.1128/mbio.01248-16