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  • Balanced act of a leading strand DNA polymerase specific domain and its exonuclease domain promotes genome-wide replication fork symmetry

    Authors
    Meng, Xiangzhou
    Claussin, Clémence
    Regan-Mochrie, Gemma
    Whitehouse, Iestyn
    1 more author(s)...
    Description

    Summary from GEO: "During genome replication, the leading strand DNA polymerase conducts continuous synthesis over long stretches of DNA within each replicon. Processive DNA synthesis supports symmetric progression of sister replication forks and efficient genome duplication. To address the mechanisms underlying leading strand polymerase-mediated synthesis, we examine one of its conserved domains,...

    Subject
    DNA Breaks, Double-Stranded
    DNA Polymerase II
    DNA Replication
    Replicon
    Access Rights
    Free to All
  • Modeling cancer-associated mutations reveals an integrated role for the Pol epsilon catalytic core in replisome assembly and DNA synthesis

    Authors
    Meng, Xiangzhou
    Zhao, Xiaolan
    Zhang, Tuo
    Xiang, Jenny
    Description

    Summary from GEO: "DNA polymerase epsilon (Pol epsilon) plays multiple roles in genome duplication and its catalytic subunit POLE suppresses tumorigenesis in humans. Despite its importance, we have limited understanding of Pol epsilon functional mechanisms and how its loss-of-function affects the evolution of cancer genomes. To address this issue, we used the budding yeast ortholog Pol2 to model...

    Subject
    Carcinogenesis
    Catalytic Domain
    DNA Polymerase II
    Tumor Suppressor Proteins
    Access Rights
    Free to All