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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erz489
|2 doi
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|a pubmed24n1008.xml
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|a (DE-627)NLM302702555
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|a (NLM)31665747
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Shang, Yun
|e verfasserin
|4 aut
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|a Receptor-like protein kinases RPK1 and BAK1 sequentially form complexes with the cytoplasmic kinase OST1 to regulate ABA-induced stomatal closure
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 14.05.2021
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|a Date Revised 31.05.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Regulation of plant water status occurs via abscisic acid (ABA)-induced stomatal closure. Open Stomata 1 (OST1) is a critical ABA signaling component regulating this process in guard cells. We previously reported that BRI1-associated receptor kinase 1 (BAK1) positively regulates ABA-induced stomatal closure by interacting with and phosphorylating OST1. Here, using Arabidopsis, we show that the receptor-like protein kinase 1 (RPK1), previously known to be induced by ABA, is a positive ABA-signaling component in guard cell movement, and interacts with OST1. ABA-inducible expression patterns were observed in RPK1 and OST1, but not in BAK1. We investigated the underlying mechanisms by which the RPK1-OST1 and BAK1-OST1 complexes interact in stomatal guard cells by monitoring the complex formation continuously using fluorescence resonance energy transfer analyses. We found that the BAK1-OST1 complex was formed earlier than the RPK1-OST1 complex in response to ABA. In vitro and semi-in vivo kinase assays revealed that a transphosphorylation event occurred in the RPK1-OST1 complex, which differs from that in the BAK1-OST1 complex, wherein only OST1 phosphorylation occurred via BAK1. ABA-insensitive 1 (ABI1) only dephosphorylated OST1 in the BAK1-OST1 complex, but dephosphorylated both RPK1 and OST1 proteins in the RPK1-OST1 complex. Our results suggest that there are multiple coordinated ABA signaling systems to regulate stomatal movement
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a ABA-induced stomatal closure
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|a BRI1-associated receptor kinase 1
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|a Open Stomata 1
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|a receptor-like protein kinase 1
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|a sequential complex formation
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|a Arabidopsis Proteins
|2 NLM
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|a Reactive Oxygen Species
|2 NLM
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| 650 |
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|a Abscisic Acid
|2 NLM
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| 650 |
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|a 72S9A8J5GW
|2 NLM
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| 650 |
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|a Protein Kinases
|2 NLM
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| 650 |
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|a EC 2.7.-
|2 NLM
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| 650 |
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|a BAK1 protein, Arabidopsis
|2 NLM
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| 650 |
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|a EC 2.7.1.-
|2 NLM
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| 650 |
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|a OST1 protein, Arabidopsis
|2 NLM
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| 650 |
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|a EC 2.7.1.-
|2 NLM
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| 650 |
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|a RPK1 protein, Arabidopsis
|2 NLM
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| 650 |
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|a EC 2.7.1.-
|2 NLM
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| 650 |
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|a Protein Serine-Threonine Kinases
|2 NLM
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| 650 |
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|a EC 2.7.11.1
|2 NLM
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| 700 |
1 |
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|a Yang, Dami
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ha, Yunmi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shin, Hyun-Young
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nam, Kyoung Hee
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 71(2020), 4 vom: 19. Feb., Seite 1491-1502
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:71
|g year:2020
|g number:4
|g day:19
|g month:02
|g pages:1491-1502
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|u http://dx.doi.org/10.1093/jxb/erz489
|3 Volltext
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|a AR
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|d 71
|j 2020
|e 4
|b 19
|c 02
|h 1491-1502
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