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Precursor of human ...
Precursor of human adenovirus core polypeptide Mu targets the nucleolus and modulates the expression of E2 proteins
- Artikel/kapitelEngelska2004
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Microbiology Society,2004
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:uu-68010
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-68010URI
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https://doi.org/10.1099/vir.0.19352-0DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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We have examined the subcellular localization properties of human adenovirus 2 (HAdV-2) preMu and mature Mu (pX) proteins as fusions with enhanced green fluorescence protein (EGFP). We determined that preMu is exclusively a nucleolar protein with a single nucleolar accumulation signal within the Mu sequence. In addition, we noted that both preMu-EGFP and Mu-EGFP are excluded from adenovirus DNA-binding protein (DBP)-rich replication centres in adenovirus-infected cells. Surprisingly, we observed that cells in which preMu-EGFP (but not Mu-EGFP) is transiently expressed prior to or shortly after infection with Ad2 did not express late adenovirus genes. Further investigation suggested this might be due to a failure to express pre-terminal protein (preTP) from the E2 region, despite expression of another E2 protein, DBP. Deletion mutagenesis identified a highly conserved region in the C terminus of preMu responsible for these observations. Thus our data suggest that preMu may play a role in modulating accumulation of proteins from the E2 region.
Ämnesord och genrebeteckningar
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Adenovirus E2 Proteins/*metabolism
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Adenoviruses; Human/pathogenicity
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Amino Acid Sequence
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Cell Nucleolus/*metabolism
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DNA-Binding Proteins/*metabolism
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Gene Deletion
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Gene Expression Regulation; Viral
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Green Fluorescent Proteins
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Hela Cells
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Humans
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Luminescent Proteins/genetics/metabolism
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Molecular Sequence Data
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Peptides/*metabolism
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Protein Precursors/*metabolism
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Recombinant Fusion Proteins/metabolism
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Research Support; Non-U.S. Gov't
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Viral Core Proteins/*metabolism
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Lawrence, F J
(författare)
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Dauksaite, VUppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi
(författare)
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Akusjärvi, GöranUppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi(Swepub:uu)gak30132
(författare)
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Blair, G E
(författare)
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Matthews, D A
(författare)
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Uppsala universitetInstitutionen för medicinsk biokemi och mikrobiologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of General Virology: Microbiology Society85:Pt 1, s. 185-1960022-13171465-2099
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