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Reference: Tanaka S and Diffley JF (2002) Interdependent nuclear accumulation of budding yeast Cdt1 and Mcm2-7 during G1 phase. Nat Cell Biol 4(3):198-207

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Abstract

Cdt1 is essential for loading Mcm2-7 proteins into prereplicative complexes (pre-RCs) during replication licensing and has been found in organisms as diverse as fission yeast and humans. We have identified a homologue of Cdt1 in Saccharomyces cerevisiae, which is required for pre-RC assembly. We show that, like Mcm2-7p, Cdt1p accumulates in the nucleus during G1 phase and is excluded from the nucleus later in the cell cycle by cyclin dependent kinases (cdks). Cdt1p interacts with the Mcm2--7p complex, and the nuclear accumulation of these proteins during G1 is interdependent. This coregulation of Cdt1p and Mcm2-7p represents a novel level of pre-RC control.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Tanaka S, Diffley JF
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