Salicylic acid regulates PIN2 auxin transporter hyperclustering and root gravitropic growth via Remorin-dependent lipid nanodomain organisation in Arabidopsis thaliana

Salicylic acid regulates PIN2 auxin transporter hyperclustering and root gravitropic growth via Remorin-dependent lipid nanodomain organisation in Arabidopsis thaliana

© 2020 The Authors New Phytologist © 2020 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 229(2021), 2 vom: 01. Jan., Seite 963-978
1. Verfasser: Ke, Meiyu (VerfasserIn)
Weitere Verfasser: Ma, Zhiming, Wang, Deyan, Sun, Yanbiao, Wen, Chenjin, Huang, Dingquan, Chen, Zichen, Yang, Liang, Tan, Shutang, Li, Ruixi, Friml, Jiří, Miao, Yansong, Chen, Xu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis PIN2 hyperclustering auxin transport gravitropic growth nanodomain remorin salicylic acid Arabidopsis Proteins mehr... Indoleacetic Acids Lipids PIN2 protein, Arabidopsis Plant Proteins Salicylic Acid O414PZ4LPZ
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520 |a © 2020 The Authors New Phytologist © 2020 New Phytologist Trust. 
520 |a To adapt to the diverse array of biotic and abiotic cues, plants have evolved sophisticated mechanisms to sense changes in environmental conditions and modulate their growth. Growth-promoting hormones and defence signalling fine tune plant development antagonistically. During host-pathogen interactions, this defence-growth trade-off is mediated by the counteractive effects of the defence hormone salicylic acid (SA) and the growth hormone auxin. Here we revealed an underlying mechanism of SA regulating auxin signalling by constraining the plasma membrane dynamics of PIN2 auxin efflux transporter in Arabidopsis thaliana roots. The lateral diffusion of PIN2 proteins is constrained by SA signalling, during which PIN2 proteins are condensed into hyperclusters depending on REM1.2-mediated nanodomain compartmentalisation. Furthermore, membrane nanodomain compartmentalisation by SA or Remorin (REM) assembly significantly suppressed clathrin-mediated endocytosis. Consequently, SA-induced heterogeneous surface condensation disrupted asymmetric auxin distribution and the resultant gravitropic response. Our results demonstrated a defence-growth trade-off mechanism by which SA signalling crosstalked with auxin transport by concentrating membrane-resident PIN2 into heterogeneous compartments 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Arabidopsis 
650 4 |a PIN2 hyperclustering 
650 4 |a auxin transport 
650 4 |a gravitropic growth 
650 4 |a nanodomain 
650 4 |a remorin 
650 4 |a salicylic acid 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Indoleacetic Acids  |2 NLM 
650 7 |a Lipids  |2 NLM 
650 7 |a PIN2 protein, Arabidopsis  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a remorin  |2 NLM 
650 7 |a Salicylic Acid  |2 NLM 
650 7 |a O414PZ4LPZ  |2 NLM 
700 1 |a Ma, Zhiming  |e verfasserin  |4 aut 
700 1 |a Wang, Deyan  |e verfasserin  |4 aut 
700 1 |a Sun, Yanbiao  |e verfasserin  |4 aut 
700 1 |a Wen, Chenjin  |e verfasserin  |4 aut 
700 1 |a Huang, Dingquan  |e verfasserin  |4 aut 
700 1 |a Chen, Zichen  |e verfasserin  |4 aut 
700 1 |a Yang, Liang  |e verfasserin  |4 aut 
700 1 |a Tan, Shutang  |e verfasserin  |4 aut 
700 1 |a Li, Ruixi  |e verfasserin  |4 aut 
700 1 |a Friml, Jiří  |e verfasserin  |4 aut 
700 1 |a Miao, Yansong  |e verfasserin  |4 aut 
700 1 |a Chen, Xu  |e verfasserin  |4 aut 
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773 1 8 |g volume:229  |g year:2021  |g number:2  |g day:01  |g month:01  |g pages:963-978 
856 4 0 |u http://dx.doi.org/10.1111/nph.16915  |3 Volltext 
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