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Plant Cell Cycle is the complex series of events which take place in plant cells between the end of one cycle of division and the end of the next. The process involves growth of a plant cell and subsequent division into daughter cells.
The mechanism controlling mitosis is not understood in plants. Tulin et al. show that mitosis is prevented by CDKB phosphorylation and promoted by BSL1-mediated dephosphorylation, revealing the mechanism of mitotic control in the plant kingdom.
A positional and developmentally regulated cell cycle duration gradient exists in the root meristem whereby the G1 phase is very long close to the stem cell niche. This relies on the interplay of PLETHORA with the RETINOBLASTOMA-RELATED pathway.
This study identifies a kinesin motor at kinetochores that teams up with a key mitotic checkpoint protein to orchestrate proper chromosome movement during plant cell division, revealing a plant-specific mechanism for maintaining genetic integrity.
Arabidopsis α-Aurora kinase regulates plant cytokinesis by phosphorylating the microtubule-associated protein MAP65-3, which controls the dynamic organization of the phragmoplast structure essential for cytokinesis completion.
