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  • The Role of NOL6 in Ribosomal Biogenesis

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    Verma_2015_01Thesis.pdf (361.4Mb)
    Author(s)
    Verma, Pali
    Primary Supervisor
    Kennedy, Derek
    Other Supervisors
    Wells, Christine
    Year published
    2015
    Metadata
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    Abstract
    NOL6 is a nucleolar protein, highly conserved throughout evolution. Previous studies on NOL6 have linked its nucleolar localization to ribosomal biogenesis. In this study, the role of murine NOL6 in ribosome biogenesis and cell cycle progression was explored. Initially, a number of tools were generated to investigate NOL6 function. This involved raising and purifying polyclonal antibodies against NOL6. Additionally, mammalian expression vectors containing the full length Nol6 a and 13 were created. The sub-nucleolar localisation of NOL6 was observed by confocal microscopy in an attempt to study the expression pattern of ...
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    NOL6 is a nucleolar protein, highly conserved throughout evolution. Previous studies on NOL6 have linked its nucleolar localization to ribosomal biogenesis. In this study, the role of murine NOL6 in ribosome biogenesis and cell cycle progression was explored. Initially, a number of tools were generated to investigate NOL6 function. This involved raising and purifying polyclonal antibodies against NOL6. Additionally, mammalian expression vectors containing the full length Nol6 a and 13 were created. The sub-nucleolar localisation of NOL6 was observed by confocal microscopy in an attempt to study the expression pattern of NOL6 within the nucleolus. Furthermore, ribosomal biogenesis studies by pulse chase analysis were carried out. In these studies, we have shown that loss of NOL6 expression by RNA interference resulted in a significant reduction of the 47/45S precursor rRNA in NIH3T3. We also found that loss of NOL6 expression within these cells resulted in G1 phase arrest and induction of cell death. These findings demonstrate a previously unknown function ofNOL6 in rRNA processing and cell cycle progression.
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    Thesis Type
    Thesis (PhD Doctorate)
    Degree Program
    Doctor of Philosophy (PhD)
    School
    Eskitis Institute for Cell and Molecular Therapies
    DOI
    https://doi.org/10.25904/1912/933
    Copyright Statement
    The author owns the copyright in this thesis, unless stated otherwise.
    Item Access Status
    Public
    Note
    This thesis has been scanned.
    Subject
    NOL6
    Nucleolar protein
    Ribosomal biogenesis
    Publication URI
    http://hdl.handle.net/10072/365847
    Collection
    • Theses - Higher Degree by Research

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