Stalled replication forks: Making ends meet for recognition and stabilization

Hisao Masai, Taku Tanaka, Daisuke Kohda

    研究成果: ジャーナルへの寄稿評論記事

    33 引用 (Scopus)

    抄録

    In bacteria, PriA protein, a conserved DEXH-type DNA helicase, plays a central role in replication restart at stalled replication forks. Its unique DNA-binding property allows it to recognize and stabilize stalled forks and the structures derived from them. Cells must cope with fork stalls caused by various replication stresses to complete replication of the entire genome. Failure of the stalled fork stabilization process and eventual restart could lead to various forms of genomic instability. The low viability of priA null cells indicates a frequent occurrence of fork stall during normal growth that needs to be properly processed. PriA specifically recognizes the 30-terminus of the nascent leading strand or the invading strand in a displacement (D)-loop by the three-prime terminus binding pocket (TT-pocket) present in its unique DNA binding domain. Elucidation of the structural basis for recognition of arrested forks by PriA should provide useful insight into how stalled forks are recognized in eukaryotes.

    元の言語英語
    ページ(範囲)687-697
    ページ数11
    ジャーナルBioEssays
    32
    発行部数8
    DOI
    出版物ステータス出版済み - 8 1 2010

    Fingerprint

    Stabilization
    DNA Helicases
    Null Lymphocytes
    Genomic Instability
    DNA
    Eukaryota
    Bacteria
    Genes
    Genome
    Growth
    Proteins

    All Science Journal Classification (ASJC) codes

    • Biochemistry, Genetics and Molecular Biology(all)

    これを引用

    Stalled replication forks : Making ends meet for recognition and stabilization. / Masai, Hisao; Tanaka, Taku; Kohda, Daisuke.

    :: BioEssays, 巻 32, 番号 8, 01.08.2010, p. 687-697.

    研究成果: ジャーナルへの寄稿評論記事

    Masai, Hisao ; Tanaka, Taku ; Kohda, Daisuke. / Stalled replication forks : Making ends meet for recognition and stabilization. :: BioEssays. 2010 ; 巻 32, 番号 8. pp. 687-697.
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