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Molecular Cell Biology of the Growth and Differentiation of Plant Cells

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    0460143 - ÚEB 2017 RIV GB eng M - Monography Chapter
    Petrovská, Beáta - Šebela, M. - Doležel, Jaroslav
    Discovering the World of Plant Nuclear Proteins (Chapter 2).
    Molecular Cell Biology of the Growth and Differentiation of Plant Cells. Abingdon: CRC Press, 2016 - (Rose, R.), s. 22-36. ISBN 978-1-4987-2602-3
    R&D Projects: GA MŠk(CZ) LO1204
    Institutional support: RVO:61389030
    Keywords : Cell nucleus * nuclear proteins * plants
    Subject RIV: EB - Genetics ; Molecular Biology

    Despite the separation of evolutionary lineages many hundred million years ago,/ncells of all eukaryotic organisms are structurally similar. Their control centre – the/nnucleus – contains most of the DNA of the cell and regulates the majority of cellular/nprocesses. DNA is packed in a small volume of the nucleus after interacting with/nnuclear proteins. These proteins facilitate DNA folding into a small space; participate/nin DNA replication, repair and transcription; and help to separate it from the/ncytoplasm. Additionally, these proteins have a strong impact on the function of the/ngenome. Indeed, the latter cannot be understood without a good knowledge of the/ncomposition, structure and behaviour of nuclear proteins, which are the most abundant/ncomponents of the nucleus (Sutherland et al. 2001). However, little information/nis available regarding plant nuclear proteins, except for histones and a few other/nproteins. We are only beginning to understand how the plant genome is organized/nand how it works. In this chapter, we summarize the current knowledge regarding/nthe plant nucleus and its protein composition, structure and function, with the aim/nof shedding light on the nature and function of vital components of plant cell nuclei.
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