Fig. 8: Model of PBL13 and PIRE regulation of RBOHD. | Nature Communications

Fig. 8: Model of PBL13 and PIRE regulation of RBOHD.

From: Regulation of reactive oxygen species during plant immunity through phosphorylation and ubiquitination of RBOHD

Fig. 8

RBOHD’s C-terminus is phosphorylated and ubiquitinated by PBL13 and PIRE, respectively, at a resting state, which leads to reduced RBOHD stability through vacuolar degradation. Upon flg22 perception, RBOHD is activated by N-terminal phosphorylation, resulting in an apoplastic ROS burst and ROS-mediated immune responses. PIRE is dynamically phosphorylated during immune activation.

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