Mitogen-activated protein kinase TaMPK3 suppresses ABA response by destabilising TaPYL4 receptor in wheat

Mitogen-activated protein kinase TaMPK3 suppresses ABA response by destabilising TaPYL4 receptor in wheat

© 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 236(2022), 1 vom: 15. Okt., Seite 114-131
1. Verfasser: Liu, Ying (VerfasserIn)
Weitere Verfasser: Yu, Tai-Fei, Li, Yi-Tong, Zheng, Lei, Lu, Zhi-Wei, Zhou, Yong-Bin, Chen, Jun, Chen, Ming, Zhang, Jin-Peng, Sun, Guo-Zhong, Cao, Xin-You, Liu, Yong-Wei, Ma, You-Zhi, Xu, Zhao-Shi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Triticum aestivum ABA TaMPK3 TaPYL4 drought tolerance negative regulation Carrier Proteins Plant Proteins mehr... Abscisic Acid 72S9A8J5GW Mitogen-Activated Protein Kinases EC 2.7.11.24
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520 |a Abscisic acid (ABA) receptors are considered as the targeted manipulation of ABA sensitivity and water productivity in plants. Regulation of their stability or activity will directly affect ABA signalling. Mitogen-activated protein kinase (MAPK) cascades link multiple environmental and plant developmental cues. However, the molecular mechanism of ABA signalling and MAPK cascade interaction remains largely elusive. TaMPK3 overexpression decreases drought tolerance and wheat sensitivity to ABA, significantly weakening ABA's inhibitory effects on growth. Under drought stress, overexpression lines show lower survival rates, shoot fresh weight and proline content, but higher malondialdehyde levels at seedling stage, as well as decreased grain width and 1000 grain weight in both glasshouse and field conditions at the adult stage. TaMPK3-RNAi increases drought tolerance. TaMPK3 interaction with TaPYL4 leads to decreased TaPYL4 levels by promoting its ubiquitin-mediated degradation, whereas ABA treatment diminishes TaMPK3-TaPYL interactions. In addition, the expression of ABA signalling proteins is impaired in TaMPK3-overexpressing wheat plants under ABA treatment. The MPK3-PYL interaction module was found to be conserved across monocots and dicots. Our results suggest that the MPK3-PYL module could serve as a negative regulatory mechanism for balancing appropriate drought stress response with normal plant growth signalling in wheat 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Triticum aestivum 
650 4 |a ABA 
650 4 |a TaMPK3 
650 4 |a TaPYL4 
650 4 |a drought tolerance 
650 4 |a negative regulation 
650 7 |a Carrier Proteins  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Abscisic Acid  |2 NLM 
650 7 |a 72S9A8J5GW  |2 NLM 
650 7 |a Mitogen-Activated Protein Kinases  |2 NLM 
650 7 |a EC 2.7.11.24  |2 NLM 
700 1 |a Yu, Tai-Fei  |e verfasserin  |4 aut 
700 1 |a Li, Yi-Tong  |e verfasserin  |4 aut 
700 1 |a Zheng, Lei  |e verfasserin  |4 aut 
700 1 |a Lu, Zhi-Wei  |e verfasserin  |4 aut 
700 1 |a Zhou, Yong-Bin  |e verfasserin  |4 aut 
700 1 |a Chen, Jun  |e verfasserin  |4 aut 
700 1 |a Chen, Ming  |e verfasserin  |4 aut 
700 1 |a Zhang, Jin-Peng  |e verfasserin  |4 aut 
700 1 |a Sun, Guo-Zhong  |e verfasserin  |4 aut 
700 1 |a Cao, Xin-You  |e verfasserin  |4 aut 
700 1 |a Liu, Yong-Wei  |e verfasserin  |4 aut 
700 1 |a Ma, You-Zhi  |e verfasserin  |4 aut 
700 1 |a Xu, Zhao-Shi  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t The New phytologist  |d 1979  |g 236(2022), 1 vom: 15. Okt., Seite 114-131  |w (DE-627)NLM09818248X  |x 1469-8137  |7 nnns 
773 1 8 |g volume:236  |g year:2022  |g number:1  |g day:15  |g month:10  |g pages:114-131 
856 4 0 |u http://dx.doi.org/10.1111/nph.18326  |3 Volltext 
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