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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1111/nph.13566
|2 doi
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|a pubmed24n0836.xml
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Matrosova, Anastasia
|e verfasserin
|4 aut
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|a The HT1 protein kinase is essential for red light-induced stomatal opening and genetically interacts with OST1 in red light and CO2 -induced stomatal movement responses
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 06.09.2016
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|a Date Revised 30.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2015 The Authors. New Phytologist © 2015 New Phytologist Trust.
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|a The question of whether red light-induced stomatal opening is mediated by a photosynthesis-derived reduction in intercellular [CO2 ] (Ci ) remains controversial and genetic analyses are needed. The Arabidopsis thaliana protein kinase HIGH TEMPERATURE 1 (HT1) is a negative regulator of [CO2 ]-induced stomatal closing and ht1-2 mutant plants do not show stomatal opening to low [CO2 ]. The protein kinase mutant ost1-3 exhibits slowed stomatal responses to CO2 . The functions of HT1 and OPEN STOMATA 1 (OST1) to changes in red, blue light or [CO2 ] were analyzed. For comparison we assayed recessive ca1ca4 carbonic anhydrase double mutant plants, based on their slowed stomatal response to CO2 . Here, we report a strong impairment in ht1 in red light-induced stomatal opening whereas blue light was able to induce stomatal opening. The effects on photosynthetic performance in ht1 were restored when stomatal limitation of CO2 uptake, by control of [Ci ], was eliminated. HT1 was found to interact genetically with OST1 both during red light- and low [CO2 ]-induced stomatal opening. Analyses of ca1ca4 plants suggest that more than a low [Ci ]-dependent pathway may function in red light-induced stomatal opening. These results demonstrate that HT1 is essential for red light-induced stomatal opening and interacts genetically with OST1 during stomatal responses to red light and altered [CO2 ]
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis thaliana
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|a HIGH TEMPERATURE 1 (HT1)
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|a OPEN STOMATA 1 (OST1)
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|a low [CO2]
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|a photosynthesis
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|a red light
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|a stomata
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|a Arabidopsis Proteins
|2 NLM
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|a Carbon Dioxide
|2 NLM
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|a 142M471B3J
|2 NLM
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|a HT1 protein, Arabidopsis
|2 NLM
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|a EC 2.7.-
|2 NLM
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|a Protein Kinases
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|a EC 2.7.-
|2 NLM
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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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|a Bogireddi, Hanumakumar
|e verfasserin
|4 aut
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|a Mateo-Peñas, Alfonso
|e verfasserin
|4 aut
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|a Hashimoto-Sugimoto, Mimi
|e verfasserin
|4 aut
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|a Iba, Koh
|e verfasserin
|4 aut
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|a Schroeder, Julian I
|e verfasserin
|4 aut
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|a Israelsson-Nordström, Maria
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 208(2015), 4 vom: 13. Dez., Seite 1126-37
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:208
|g year:2015
|g number:4
|g day:13
|g month:12
|g pages:1126-37
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|u http://dx.doi.org/10.1111/nph.13566
|3 Volltext
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