DNA Polymerase α (swi7) and the Flap Endonuclease Fen1 (rad2) Act Together in the S-Phase Alkylation Damage Response in S. pombe
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چکیده
منابع مشابه
DNA Polymerase α (swi7) and the Flap Endonuclease Fen1 (rad2) Act Together in the S-Phase Alkylation Damage Response in S. pombe
Polymerase α is an essential enzyme mainly mediating Okazaki fragment synthesis during lagging strand replication. A specific point mutation in Schizosaccharomyces pombe polymerase α named swi7-1, abolishes imprinting required for mating-type switching. Here we investigate whether this mutation confers any genome-wide defects. We show that the swi7-1 mutation renders cells hypersensitive to the...
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15 صفحه اولMus81 endonuclease localizes to nucleoli and to regions of DNA damage in human S-phase cells.
Mus81 is a highly conserved substrate specific endonuclease. Human Mus81 cleaves Holliday junctions, replication forks, and 3' flap substrates in vitro, suggesting a number of possible in vivo functions. We show here that the abundance of human Mus81 peaks in S-phase and remains high in cells that have completed DNA replication and that Mus81 is a predominantly nuclear protein, with super accum...
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ژورنال
عنوان ژورنال: PLoS ONE
سال: 2012
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0047091