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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.2010.03465.x
|2 doi
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|a pubmed24n0672.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a García-Mata, Carlos
|e verfasserin
|4 aut
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|a Hydrogen sulphide, a novel gasotransmitter involved in guard cell signalling
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|c 2010
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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 15.02.2011
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|a Date Revised 31.03.2022
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|a published: Print-Electronic
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|a CommentIn: New Phytol. 2010 Dec;188(4):910-3. - PMID 21105291
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|a Citation Status MEDLINE
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|a © The Authors (2010). Journal compilation © New Phytologist Trust (2010).
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|a Hydrogen sulphide (H(2) S) has been proposed as the third gasotransmitter. In animal cells, H(2) S has been implicated in several physiological processes. H(2) S is endogenously synthesized in both animals and plants by enzymes with l-Cys desulphydrase activity in the conversion of l-Cys to H(2) S, pyruvate and ammonia. The participation of H(2) S in both stomatal movement regulation and abscisic acid (ABA)-dependent induction of stomatal closure was studied in epidermal strips of three plant species (Vicia faba, Arabidopsis thaliana and Impatiens walleriana). The effect of H(2) S on stomatal movement was contrasted with leaf relative water content (RWC) measurements of whole plants subjected to water stress. In this work we report that exogenous H(2) S induces stomatal closure and this effect is impaired by the ATP-binding cassette (ABC) transporter inhibitor glibenclamide; scavenging H(2) S or inhibition of the enzyme responsible for endogenous H(2) S synthesis partially blocks ABA-dependent stomatal closure; and H(2) S treatment increases RWC and protects plants against drought stress. Our results indicate that H(2) S induces stomatal closure and participates in ABA-dependent signalling, possibly through the regulation of ABC transporters in guard cells
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a ATP-Binding Cassette Transporters
|2 NLM
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|a Potassium Channels, Inwardly Rectifying
|2 NLM
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|a Receptors, Drug
|2 NLM
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|a Sulfonylurea Receptors
|2 NLM
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|a Abscisic Acid
|2 NLM
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|a 72S9A8J5GW
|2 NLM
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|a Glyburide
|2 NLM
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|a SX6K58TVWC
|2 NLM
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|a Hydrogen Sulfide
|2 NLM
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|a YY9FVM7NSN
|2 NLM
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|a Lamattina, Lorenzo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 188(2010), 4 vom: 01. Dez., Seite 977-84
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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|g volume:188
|g year:2010
|g number:4
|g day:01
|g month:12
|g pages:977-84
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|u http://dx.doi.org/10.1111/j.1469-8137.2010.03465.x
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