Integrative Biology Journals
JIPB

J Integr Plant Biol. ›› 2022, Vol. 64 ›› Issue (4): 789-791.DOI: 10.1111/jipb.13240

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How long should a kiss last between a kinase and its substrate?

Chen Zhu1,2, Liwen Fu3, Yan Xiong3* and Pengcheng Wang1*   

  1. 1 Shanghai Centre for Plant Stress Biology, Chinese Academy of Sciences Centre for Excellence in Molecular Plant Sciences, the Chinese Academy of Sciences, Shanghai 200032, China
    2 University of Chinese Academy of Sciences, Beijing 100049, China
    3 Basic Forestry and Proteomics Research Centre, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University, Fuzhou 350002, China


    *    Correspondences: Pengcheng Wang (pcwang@psc.ac.cn, Dr. Wang is responsible for the distribution of the materials associated with this article); Yan Xiong (yanxiong@fafu.edu.cn)
  • Received:2022-02-24 Accepted:2022-02-28 Online:2022-03-03 Published:2022-04-01

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Abstract:

In the presence of abscisic acid or environmental stress, activated SnRK2s transiently phosphorylate Raptor1B, a regulatory component of the TOR complex, to inhibit plant growth. To examine such transient interactions between a kinase and its substrate, comprehensive genetic or biochemistry evidence is more conclusive than a single negative co-immunoprecipitation test.

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