Proteomics Analysis of the Nucleolus in Adenovirus-infected Cells

Yun W. Lam, Vanessa C. Evans, Kate J. Heesom, Angus I. Lamond, David A. Matthews

    Research output: Contribution to journalArticle

    81 Citations (Scopus)

    Abstract

    Adenoviruses replicate primarily in the host cell nucleus, and it is well established that adenovirus infection affects the structure and function of host cell nucleoli in addition to coding for a number of nucleolar targeted viral proteins. Here we used unbiased proteomics methods, including high throughput mass spectrometry coupled with stable isotope labeling by amino acids in cell culture (SILAC) and traditional two-dimensional gel electrophoresis, to identify quantitative changes in the protein composition of the nucleolus during adenovirus infection. Two-dimensional gel analysis revealed changes in six proteins. By contrast, SILAC-based approaches identified 351 proteins with 24 proteins showing at least a 2-fold change after infection. Of those, four were previously reported to have aberrant localization and/or functional relevance during adenovirus infection. In total, 15 proteins identified as changing in amount by proteomics methods were examined in infected cells using confocal microscopy. Eleven of these proteins showed altered patterns of localization in adenovirus-infected cells. Comparing our data with the effects of actinomycin D on the nucleolar proteome revealed that adenovirus infection apparently specifically targets a relatively small subset of nucleolar antigens at the time point examined. Molecular & Cellular Proteomics 9: 117-130, 2010.

    Original languageEnglish
    Pages (from-to)117-130
    Number of pages14
    JournalMolecular & Cellular Proteomics
    Volume9
    Issue number1
    DOIs
    Publication statusPublished - 2010

    Keywords

    • RIBOSOMAL-RNA SYNTHESIS
    • UPSTREAM-BINDING-FACTOR
    • SIMPLEX-VIRUS TYPE-1
    • ENDOPLASMIC-RETICULUM
    • SPLICING FACTOR
    • PROTEIN RBM4
    • HELA-CELLS
    • IN-VITRO
    • REPLICATION
    • NUCLEUS

    Cite this

    Lam, Yun W. ; Evans, Vanessa C. ; Heesom, Kate J. ; Lamond, Angus I. ; Matthews, David A. / Proteomics Analysis of the Nucleolus in Adenovirus-infected Cells. In: Molecular & Cellular Proteomics. 2010 ; Vol. 9, No. 1. pp. 117-130.
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    abstract = "Adenoviruses replicate primarily in the host cell nucleus, and it is well established that adenovirus infection affects the structure and function of host cell nucleoli in addition to coding for a number of nucleolar targeted viral proteins. Here we used unbiased proteomics methods, including high throughput mass spectrometry coupled with stable isotope labeling by amino acids in cell culture (SILAC) and traditional two-dimensional gel electrophoresis, to identify quantitative changes in the protein composition of the nucleolus during adenovirus infection. Two-dimensional gel analysis revealed changes in six proteins. By contrast, SILAC-based approaches identified 351 proteins with 24 proteins showing at least a 2-fold change after infection. Of those, four were previously reported to have aberrant localization and/or functional relevance during adenovirus infection. In total, 15 proteins identified as changing in amount by proteomics methods were examined in infected cells using confocal microscopy. Eleven of these proteins showed altered patterns of localization in adenovirus-infected cells. Comparing our data with the effects of actinomycin D on the nucleolar proteome revealed that adenovirus infection apparently specifically targets a relatively small subset of nucleolar antigens at the time point examined. Molecular & Cellular Proteomics 9: 117-130, 2010.",
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    Proteomics Analysis of the Nucleolus in Adenovirus-infected Cells. / Lam, Yun W.; Evans, Vanessa C.; Heesom, Kate J.; Lamond, Angus I.; Matthews, David A.

    In: Molecular & Cellular Proteomics, Vol. 9, No. 1, 2010, p. 117-130.

    Research output: Contribution to journalArticle

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    AU - Evans, Vanessa C.

    AU - Heesom, Kate J.

    AU - Lamond, Angus I.

    AU - Matthews, David A.

    PY - 2010

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    N2 - Adenoviruses replicate primarily in the host cell nucleus, and it is well established that adenovirus infection affects the structure and function of host cell nucleoli in addition to coding for a number of nucleolar targeted viral proteins. Here we used unbiased proteomics methods, including high throughput mass spectrometry coupled with stable isotope labeling by amino acids in cell culture (SILAC) and traditional two-dimensional gel electrophoresis, to identify quantitative changes in the protein composition of the nucleolus during adenovirus infection. Two-dimensional gel analysis revealed changes in six proteins. By contrast, SILAC-based approaches identified 351 proteins with 24 proteins showing at least a 2-fold change after infection. Of those, four were previously reported to have aberrant localization and/or functional relevance during adenovirus infection. In total, 15 proteins identified as changing in amount by proteomics methods were examined in infected cells using confocal microscopy. Eleven of these proteins showed altered patterns of localization in adenovirus-infected cells. Comparing our data with the effects of actinomycin D on the nucleolar proteome revealed that adenovirus infection apparently specifically targets a relatively small subset of nucleolar antigens at the time point examined. Molecular & Cellular Proteomics 9: 117-130, 2010.

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