Title : The methyl methanesulfonate induced S-phase delay in XRCC1-deficient cells requires ATM and ATR.

Pub. Date : 2008 Jun 1

PMID : 18375193






4 Functional Relationships(s)
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1 The methyl methanesulfonate induced S-phase delay in XRCC1-deficient cells requires ATM and ATR. Methyl Methanesulfonate ATR serine/threonine kinase Homo sapiens
2 Using ATM- and ATR-defective cells and an ATM specific kinase inhibitor we demonstrate for the first time that the MMS-induced S-phase checkpoint requires both ATM and ATR. Methyl Methanesulfonate ATR serine/threonine kinase Homo sapiens
3 Using ATM- and ATR-defective cells and an ATM specific kinase inhibitor we demonstrate for the first time that the MMS-induced S-phase checkpoint requires both ATM and ATR. Methyl Methanesulfonate ATR serine/threonine kinase Homo sapiens
4 These results support the hypothesis that after MMS-treatment, the presence of unresolved BER intermediates gives rise to lesions that activate both ATM and ATR and that during the consequent S-phase delay, such intermediates may be repaired by a recombinational pathway which involves the Rad51 protein. Methyl Methanesulfonate ATR serine/threonine kinase Homo sapiens