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PAF15-PCNA exhaustion limits strand-specific DNA replication control
Study reveals PAF15-PCNA interaction as a strand-specific constraint that couples lagging-strand synthesis capacity to global DNA replication control through dosage-sensitive mechanism.
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Mycobacterial gyrase inhibition depends on DNA topology
Study reveals that antibacterial drugs inhibit different gyrase-mediated catalytic activities at varying concentrations, with DNA topology modulating drug potency beyond DNA cleavage mechanisms.
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Mitotic repair pathway drives chromoanasynthesis
Study reveals mitotic microhomology-mediated break-induced replication drives chromoanasynthesis, a complex chromosomal rearrangement mechanism in cancer and congenital disorders.
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SFPQ helps protect repeat DNA from R-loop damage
SFPQ directs histone H3.3 deposition to R-loops in repetitive DNA elements through DAXX recruitment, suppressing replication stress and genome instability while activating innate immune responses.