Nadia Tikhmyanova

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Cdc6 performs an essential role in the initiation of eukaryotic DNA replication by recruiting the minichromosome maintenance (MCM) complex onto DNA. Using immunodepletion/add-back experiments in Xenopus egg extracts, we have determined that both Walker A (ATP binding) and Walker B (ATP hydrolysis) motifs of Xenopus Cdc6 (Xcdc6) are essential, but have(More)
Xenopus laevis early development is characterized by rapid and synchronous cleavage cycles, which consist of alternating S and M phases. At midblastula transition, zygotic transcription begins and these cleavage cycles are replaced by longer cell division cycles that include gap phases and checkpoints. Herein, we demonstrate developmentally regulated Cdc6(More)
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