Kinase KEY1 controls pyrenoid condensate size throughout the cell cycle by disrupting phase separation interactions
Shan L. He, Linnea Lemma, Alejandro Martínez-Calvo, Guanhua He, Jessica H. Hennacy, Lianyong Wang, Sabrina L. Ergun, Ashwani K. Rai, C. Wang, Luke Bunday, Angelo Kayser-Browne, Quan Wang, Clifford P. Brangwynne, Ned S. Wingreen, Martin C. Jonikas
This study identifies the kinase KEY1 as a regulator of pyrenoid condensate size and dynamics in Chlamydomonas reinhardtii, showing it disrupts phase separation interactions to control condensate dissolution during the cell cycle.
Nature Cell Biology · Mar 17, 2026Peer-reviewedCell Biology