Plant BiologybioRxivPreprint
Biochemical regulation of Arabidopsis PUB33: a receptor-like cytoplasmic kinase with an integrated U-box domain that ubiquitinates Ralstonia pseudosolanacearum effector protein RipV1
Thakshila Dharmasena, Jihyun Choi, Injae Kim…·Jacqueline Monaghan
This study characterizes PUB33, an Arabidopsis RLCK-IXb/PUB-VI protein, showing it has dual kinase and E3 ubiquitin ligase activities regulated by autophosphorylation and interacts with the bacterial effector RipV1 to modulate immune responses.
DOI 10.64898/2026.02.10.704836