Arabidopsis MKK10-MPK6 mediates red-light-regulated opening of seedling cotyledons through phosphorylation of PIF3

© The Author(s) 2017. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 69(2018), 3 vom: 23. Jan., Seite 423-439
1. Verfasser: Xin, Xiaoyun (VerfasserIn)
Weitere Verfasser: Chen, Wenhao, Wang, Bo, Zhu, Fan, Li, Yuan, Yang, Hailian, Li, Jigang, Ren, Dongtao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis thaliana MKK10-MPK6 cotyledon opening phosphorylation photomorphogenesis phytochrome-interacting factor Arabidopsis Proteins Basic Helix-Loop-Helix Transcription Factors mehr... PIF3 protein, Arabidopsis MPK6 protein, Arabidopsis EC 2.7.11.24 Mitogen-Activated Protein Kinases AT1G32320 protein, Arabidopsis EC 2.7.12.2 Mitogen-Activated Protein Kinase Kinases
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100 1 |a Xin, Xiaoyun  |e verfasserin  |4 aut 
245 1 0 |a Arabidopsis MKK10-MPK6 mediates red-light-regulated opening of seedling cotyledons through phosphorylation of PIF3 
264 1 |c 2018 
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500 |a Date Completed 14.05.2019 
500 |a Date Revised 14.09.2022 
500 |a published: Print 
500 |a ErratumIn: J Exp Bot. 2022 Nov 2;73(19):6984. - PMID 36102724 
500 |a Citation Status MEDLINE 
520 |a © The Author(s) 2017. Published by Oxford University Press on behalf of the Society for Experimental Biology. 
520 |a Photomorphogenesis is an important process in which seedlings emerge from soil and begin autotrophic growth. Mechanisms of photomorphogenesis include light signal perception, signal transduction, and the modulation of expression of light-responsive genes, ultimately leading to cellular and developmental changes. Phytochrome-interacting factors (PIFs) play negative regulatory roles in photomorphogenesis. Light-induced activation of phytochromes triggers rapid phosphorylation and degradation of PIFs, but the kinases responsible for the phosphorylation of PIFs are largely unknown. Here, we show that Arabidopsis MPK6 is a kinase involved in phosphorylating PIF3 and regulating red light-induced cotyledon opening, a crucial process during seedling photomorphogenesis. MPK6 was activated by red light, and the cotyledon opening angle in red light was reduced in mpk6 seedlings. MKK10, a MAPKK whose function is currently unclear, appears to act as a kinase upstream of MPK6 in regulating cotyledon opening. Activation of MPK6 by MKK10 led to the phosphorylation of PIF3 and accelerated its turnover in transgenic seedlings. Accordingly, the overexpression of PIF3 suppressed MKK10-induced cotyledon opening. MKK10 and MPK6 function downstream of phyB in regulating seedling cotyledon opening in red light. Therefore, the MKK10-MPK6 cascade appears to mediate the regulation of red-light-controlled seedling photomorphogenesis via a mechanism that might involve the phosphorylation of PIF3 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Arabidopsis thaliana 
650 4 |a MKK10-MPK6 
650 4 |a cotyledon opening 
650 4 |a phosphorylation 
650 4 |a photomorphogenesis 
650 4 |a phytochrome-interacting factor 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Basic Helix-Loop-Helix Transcription Factors  |2 NLM 
650 7 |a PIF3 protein, Arabidopsis  |2 NLM 
650 7 |a MPK6 protein, Arabidopsis  |2 NLM 
650 7 |a EC 2.7.11.24  |2 NLM 
650 7 |a Mitogen-Activated Protein Kinases  |2 NLM 
650 7 |a EC 2.7.11.24  |2 NLM 
650 7 |a AT1G32320 protein, Arabidopsis  |2 NLM 
650 7 |a EC 2.7.12.2  |2 NLM 
650 7 |a Mitogen-Activated Protein Kinase Kinases  |2 NLM 
650 7 |a EC 2.7.12.2  |2 NLM 
700 1 |a Chen, Wenhao  |e verfasserin  |4 aut 
700 1 |a Wang, Bo  |e verfasserin  |4 aut 
700 1 |a Zhu, Fan  |e verfasserin  |4 aut 
700 1 |a Li, Yuan  |e verfasserin  |4 aut 
700 1 |a Yang, Hailian  |e verfasserin  |4 aut 
700 1 |a Li, Jigang  |e verfasserin  |4 aut 
700 1 |a Ren, Dongtao  |e verfasserin  |4 aut 
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773 1 8 |g volume:69  |g year:2018  |g number:3  |g day:23  |g month:01  |g pages:423-439 
856 4 0 |u http://dx.doi.org/10.1093/jxb/erx418  |3 Volltext 
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