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Akiko Kumagai

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Sanjay Kumar; Anna Shevchenko; Andrej Shevchenko; Hae Yong Yoo; Akiko Kumagai; William G Dunphy
Role for Rif1 in the checkpoint response to damaged DNA in Xenopus egg extracts.
Akiko Kumagai; Andrej Shevchenko; Andrej Shevchenko; William G Dunphy
Direct regulation of Treslin by cyclin-dependent kinase is essential for the onset of DNA replication.
Akiko Kumagai; Andrej Shevchenko; Andrej Shevchenko; William G Dunphy
Treslin collaborates with TopBP1 in triggering the initiation of DNA replication.

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All Publications

2012: Sanjay Kumar; Anna Shevchenko; Andrej Shevchenko; Hae Yong Yoo; Akiko Kumagai; William G Dunphy
Role for Rif1 in the checkpoint response to damaged DNA in Xenopus egg extracts.
Cell cycle (Georgetown, Tex.) 2012;11(6):1183-94.
2011: Akiko Kumagai; Andrej Shevchenko; Andrej Shevchenko; William G Dunphy
Direct regulation of Treslin by cyclin-dependent kinase is essential for the onset of DNA replication.
The Journal of cell biology 2011;193(6):995-1007.
2010: Akiko Kumagai; Andrej Shevchenko; Andrej Shevchenko; William G Dunphy
Treslin collaborates with TopBP1 in triggering the initiation of DNA replication.
Cell 2010;140(3):349-59.
2009: Hae Yong Yoo; Akiko Kumagai; Andrej Shevchenko; Andrej Shevchenko; William G Dunphy
The Mre11-Rad50-Nbs1 complex mediates activation of TopBP1 by ATM.
Molecular biology of the cell 2009;20(9):2351-60.
2007: Joon Lee; Akiko Kumagai; William G Dunphy
The Rad9-Hus1-Rad1 checkpoint clamp regulates interaction of TopBP1 with ATR.
The Journal of biological chemistry 2007;282(38):28036-44.
2007: Hae Yong Yoo; Akiko Kumagai; Andrej Shevchenko; Andrej Shevchenko; William G Dunphy
Ataxia-telangiectasia mutated (ATM)-dependent activation of ATR occurs through phosphorylation of TopBP1 by ATM.
The Journal of biological chemistry 2007;282(24):17501-6.
2006: Akiko Kumagai; William G Dunphy
How cells activate ATR.
Cell cycle (Georgetown, Tex.) 2006;5(12):1265-8.
2006: Akiko Kumagai; Joon Lee; Hae Yong Yoo; William G Dunphy
TopBP1 activates the ATR-ATRIP complex.
Cell 2006;124(5):943-55.
2005: Soo-Mi Kim; Akiko Kumagai; Joon Lee; William G Dunphy
Phosphorylation of Chk1 by ATM- and Rad3-related (ATR) in Xenopus egg extracts requires binding of ATRIP to ATR but not the stable DNA-binding or coiled-coil domains of ATRIP.
The Journal of biological chemistry 2005;280(46):38355-64.
2004: Akiko Kumagai; Soo-Mi Kim; William G Dunphy
Claspin and the activated form of ATR-ATRIP collaborate in the activation of Chk1.
The Journal of biological chemistry 2004;279(48):49599-608.
2004: Hae Yong Yoo; Akiko Kumagai; Andrej Shevchenko; Andrej Shevchenko; William G Dunphy
Adaptation of a DNA replication checkpoint response depends upon inactivation of Claspin by the Polo-like kinase.
Cell 2004;117(5):575-88.
2003: Seong-Yun Jeong; Akiko Kumagai; Joon Lee; William G Dunphy
Phosphorylated claspin interacts with a phosphate-binding site in the kinase domain of Chk1 during ATR-mediated activation.
The Journal of biological chemistry 2003;278(47):46782-8.
2003: Joon Lee; Akiko Kumagai; William G Dunphy
Claspin, a Chk1-regulatory protein, monitors DNA replication on chromatin independently of RPA, ATR, and Rad17.
Molecular cell 2003;11(2):329-40.
2003: Akiko Kumagai; William G Dunphy
Repeated phosphopeptide motifs in Claspin mediate the regulated binding of Chk1.
Nature cell biology 2003;5(2):161-5.
2002: Jun Sheng; Akiko Kumagai; William G Dunphy; Alexander Varshavsky
Dissection of c-MOS degron.
The EMBO journal 2002;21(22):6061-71.
2001: Priya Prakash Budde; Akiko Kumagai; William G Dunphy; Rebecca Heald
Regulation of Op18 during spindle assembly in Xenopus egg extracts.
The Journal of cell biology 2001;153(1):149-58.
2001: Joon Lee; Akiko Kumagai; William G Dunphy
Positive regulation of Wee1 by Chk1 and 14-3-3 proteins.
Molecular biology of the cell 2001;12(3):551-63.
2000: Z Guo; Akiko Kumagai; SX Wang; William G Dunphy
Requirement for Atr in phosphorylation of Chk1 and cell cycle regulation in response to DNA replication blocks and UV-damaged DNA in Xenopus egg extracts.
Genes & development 2000;14(21):2745-56.
2000: Akiko Kumagai; William G Dunphy
Claspin, a novel protein required for the activation of Chk1 during a DNA replication checkpoint response in Xenopus egg extracts.
Molecular cell 2000;6(4):839-49.
1999: D Patra; SX Wang; Akiko Kumagai; William G Dunphy
The xenopus Suc1/Cks protein promotes the phosphorylation of G(2)/M regulators.
The Journal of biological chemistry 1999;274(52):36839-42.
1999: Akiko Kumagai; William G Dunphy
Binding of 14-3-3 proteins and nuclear export control the intracellular localization of the mitotic inducer Cdc25.
Genes & development 1999;13(9):1067-72.
1998: Akiko Kumagai; Z Guo; K H Emami; SX Wang; William G Dunphy
The Xenopus Chk1 protein kinase mediates a caffeine-sensitive pathway of checkpoint control in cell-free extracts.
The Journal of cell biology 1998;142(6):1559-69.
1998: Akiko Kumagai; P S Yakowec; William G Dunphy
14-3-3 proteins act as negative regulators of the mitotic inducer Cdc25 in Xenopus egg extracts.
Molecular biology of the cell 1998;9(2):345-54.
1997: Akiko Kumagai; William G Dunphy
Regulation of Xenopus Cdc25 protein.
Methods in enzymology 1997;283():564-71.
1996: Akiko Kumagai; William G Dunphy
Purification and molecular cloning of Plx1, a Cdc25-regulatory kinase from Xenopus egg extracts.
Science (New York, N.Y.) 1996;273(5280):1377-80.
1995: Paul R Mueller; T R Coleman; Akiko Kumagai; William G Dunphy
Myt1: a membrane-associated inhibitory kinase that phosphorylates Cdc2 on both threonine-14 and tyrosine-15.
Science (New York, N.Y.) 1995;270(5233):86-90.
1995: Akiko Kumagai; William G Dunphy
Control of the Cdc2/cyclin B complex in Xenopus egg extracts arrested at a G2/M checkpoint with DNA synthesis inhibitors.
Molecular biology of the cell 1995;6(2):199-213.
1992: Akiko Kumagai; William G Dunphy
Regulation of the cdc25 protein during the cell cycle in Xenopus extracts.
Cell 1992;70(1):139-51.
1991: William G Dunphy; Akiko Kumagai
The cdc25 protein contains an intrinsic phosphatase activity.
Cell 1991;67(1):189-96.
1991: Akiko Kumagai; William G Dunphy
The cdc25 protein controls tyrosine dephosphorylation of the cdc2 protein in a cell-free system.
Cell 1991;64(5):903-14.
1991: Akiko Kumagai; William G Dunphy
Molecular mechanism of the final steps in the activation of MPF.
Cold Spring Harbor symposia on quantitative biology 1991;56():585-9.