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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1111/nph.15543
|2 doi
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|a pubmed24n0965.xml
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|a (DE-627)NLM289557216
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|a (NLM)30320882
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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 |
1 |
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|a Han, Jian-Pu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Fine-tuning of RBOHF activity is achieved by differential phosphorylation and Ca2+ binding
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|c 2019
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 14.01.2020
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2018 The Authors. New Phytologist © 2018 New Phytologist Trust.
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|a RBOHF from Arabidopsis thaliana represents a multifunctional NADPH oxidase regulating biotic and abiotic stress tolerance, developmental processes and guard cell aperture. The molecular components and mechanisms determining RBOHF activity remain to be elucidated. Here we combined protein interaction studies, biochemical and genetic approaches, and pathway reconstitution analyses to identify and characterize proteins that confer RBOHF regulation and elucidated mechanisms that adjust RBOHF activity. While the Ca2+ sensor-activated kinases CIPK11 and CIPK26 constitute alternative paths for RBOHF activation, the combined activity of CIPKs and the kinase open stomata 1 (OST1) triggers complementary activation of this NADPH oxidase, which is efficiently counteracted through dephosphorylation by the phosphatase ABI1. Within RBOHF, several distinct phosphorylation sites (p-sites) in the N-terminus of RBOHF appear to contribute individually to activity regulation. These findings identify RBOHF as a convergence point targeted by a complex regulatory network of kinases and phosphatases. We propose that this allows for fine-tuning of plant reactive oxygen species (ROS) production by RBOHF in response to different stimuli and in diverse physiological processes
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a ABI1
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|a CBL/CIPK
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|a Ca2+
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|a NADPH-oxidase
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|a OST1
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|a RBOH
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|a phosphorylation
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|a reactive oxygen species (ROS)
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Reactive Oxygen Species
|2 NLM
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|a NADPH Oxidases
|2 NLM
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| 650 |
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|a EC 1.6.3.-
|2 NLM
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| 650 |
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|a RbohF protein, Arabidopsis
|2 NLM
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| 650 |
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|a EC 1.6.3.1
|2 NLM
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| 650 |
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|a Calcium
|2 NLM
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| 650 |
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|a SY7Q814VUP
|2 NLM
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| 700 |
1 |
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|a Köster, Philipp
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Drerup, Maria M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Scholz, Martin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Shizhen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Edel, Kai H
|e verfasserin
|4 aut
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| 700 |
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|a Hashimoto, Kenji
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kuchitsu, Kazuyuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hippler, Michael
|e verfasserin
|4 aut
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| 700 |
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|a Kudla, Jörg
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 221(2019), 4 vom: 01. März, Seite 1935-1949
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:221
|g year:2019
|g number:4
|g day:01
|g month:03
|g pages:1935-1949
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| 856 |
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|u http://dx.doi.org/10.1111/nph.15543
|3 Volltext
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|d 221
|j 2019
|e 4
|b 01
|c 03
|h 1935-1949
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