J Integr Plant Biol ›› 2017, Vol. 59 ›› Issue (4): 234-239.DOI: 10.1111/jipb.12529

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BIK1 cooperates with BAK1 to regulate constitutive immunity and cell death in Arabidopsis

Jun Liu, Sufen Chen, Lijuan Chen, Qi Zhou, Menglong Wang, Dongru Feng, Jian-Feng Li, Jinfa Wang, Hong-Bin Wang and Bing Liu*   

  • 收稿日期:2016-10-16 接受日期:2017-02-20 出版日期:2017-04-12 发布日期:2017-02-22

BIK1 cooperates with BAK1 to regulate constitutive immunity and cell death in Arabidopsis

Jun Liu, Sufen Chen, Lijuan Chen, Qi Zhou, Menglong Wang, Dongru Feng, Jian-Feng Li, Jinfa Wang, Hong-Bin Wang and Bing Liu*   

  1. State Key Laboratory of Biocontrol and Collaborative Innovation Center of Genetics and Development, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
  • Received:2016-10-16 Accepted:2017-02-20 Online:2017-04-12 Published:2017-02-22
  • About author:*Correspondence: E-mail: Bing Liu (liubing@mail.sysu.edu.cn)

摘要： bak1 bik1 double mutants showed a severe dwarfism phenotype. The constitutive immune activation was mainly responsible for the cell death and developmental defects in bak1 bik1 double mutants. This study indicated that BAK1 and BIK1 are critical for regulation of the constitutive immune response and cell death in Arabidopsis.

Abstract:

In Arabidopsis, both the membrane-anchored receptor-like kinase (RLK) BAK1 and the receptor-like cytoplasmic kinase (RLCK) BIK1 are important mediators of transmembrane signal transduction that regulate plant development and immunity. However, little attention has been paid to their genetic association. This study found the bak1 bik1 double mutant of Arabidopsis displayed a severe dwarfism phenotype due to constitutive immunity and cell death in developing plants. These data suggest that BIK1 cooperates with BAK1 to regulate constitutive immunity and cell death.

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