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DEG9, a serine protease, modulates cytokinin and light signaling by regulating the level of ARABIDOPSIS RESPONSE REGULATOR 4

文献类型：期刊论文

作者Chi, Wei; Li, Jing; He, Baoye; Chai, Xin5; Xu, Xiumei; Sun, Xuwu; Jiang, Jingjing5; Feng, Peiqiang5; Zuo, Jianru1,6; Lin, Rongcheng
刊名PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
出版日期2016
卷号113期号:25
ISSN号0027-8424
关键词protease cytokinins light DEG ARABIDOPSIS RESPONSE REGULATOR 4
DOI10.1073/pnas.1601724113
文献子类Article
英文摘要Cytokinin is an essential phytohormone that controls various biological processes in plants. A number of response regulators are known to be important for cytokinin signal transduction. ARABIDOPSIS RESPONSE REGULATOR 4 (ARR4) mediates the cross-talk between light and cytokinin signaling through modulation of the activity of phytochrome B. However, the mechanism that regulates the activity and stability of ARR4 is unknown. Here we identify an AT-Pindependent serine protease, degradation of periplasmic proteins 9 (DEG9), which localizes to the nucleus and regulates the stability of ARR4. Biochemical evidence shows that DEG9 interacts with ARR4, thereby targeting ARR4 for degradation, which suggests that DEG9 regulates the stability of ARR4. Moreover, genetic evidence shows that DEG9 acts upstream of ARR4 and regulates the activity of ARR4 in cytokinin and light-signaling pathways. This study thus identifies a role for a ubiquitin-independent selective protein proteolysis in the regulation of the stability of plant signaling components.
学科主题Multidisciplinary Sciences
出版地WASHINGTON
WOS关键词PHOTOSYSTEM-II ; B RESPONSE ; PHOSPHOTRANSFER PROTEINS ; 2-COMPONENT CIRCUITRY ; PROTEOMIC ANALYSIS ; PLANT PROTEASES ; GENE-EXPRESSION ; QUALITY CONTROL ; PHYTOCHROME-B ; D1 PROTEIN
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
语种英语
出版者NATL ACAD SCIENCES
WOS记录号WOS:000378272400016
资助机构Major State Basic Research Development ProgramNational Basic Research Program of China [2015CB150100] ; Ministry of Agriculture of ChinaMinistry of Agriculture, China [2014ZX08009-003-005] ; Key Research Program of the Chinese Academy of SciencesChinese Academy of Sciences
源URL[http://ir.ibcas.ac.cn/handle/2S10CLM1/25309]  
专题中科院光生物学重点实验室
作者单位1.Chinese Acad Sci, Inst Genet & Dev Biol, State Key Lab Plant Genom, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Genet & Dev Biol, Natl Plant Gene Res Ctr, Beijing 100101, Peoples R China
3.Univ Geneva, Dept Plant Biol, CH-1211 Geneva, Switzerland
4.Univ Geneva, Dept Mol Biol, CH-1211 Geneva, Switzerland
5.Chinese Acad Sci, Inst Bot, Key Lab Photobiol, Photosynth Res Ctr, Beijing 100093, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Chi, Wei,Li, Jing,He, Baoye,et al. DEG9, a serine protease, modulates cytokinin and light signaling by regulating the level of ARABIDOPSIS RESPONSE REGULATOR 4[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2016,113(25).
APA Chi, Wei.,Li, Jing.,He, Baoye.,Chai, Xin.,Xu, Xiumei.,...&Zhang, Lixin.(2016).DEG9, a serine protease, modulates cytokinin and light signaling by regulating the level of ARABIDOPSIS RESPONSE REGULATOR 4.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,113(25).
MLA Chi, Wei,et al."DEG9, a serine protease, modulates cytokinin and light signaling by regulating the level of ARABIDOPSIS RESPONSE REGULATOR 4".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 113.25(2016).

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来源：植物研究所

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