A S/M DNA replication checkpoint prevents nuclear and cytoplasmic events of cell division including centrosomal axis alignment and inhibits activation of cyclin-dependent kinase-like proteins in fucoid zygotes

S/M checkpoints prevent various aspects of cell division when DNA has not been replicated. Such checkpoints are stringent in yeast and animal somatic cells but are usually partial or not present in animal embryos. Because little is known about S/M checkpoints in plant cells and embryos, we have inve...

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