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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2020.02.041
|2 doi
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|a pubmed25n1025.xml
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|a eng
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|a Merlaen, Britt
|e verfasserin
|4 aut
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|a The jasmonic acid pathway, rather than abscisic acid, may partly explain contrasting stomatal responses in two strawberry cultivars under osmotic stress
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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
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|2 rdacarrier
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|a Date Completed 04.09.2020
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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 Copyright © 2020. Published by Elsevier Masson SAS.
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|a Drought is a major threat in agriculture and horticulture, including commercial strawberry production. Here, we compare hormonal regulation of a first-line drought stress response, namely stomatal closure, in two Fragaria x ananassa cultivars, known to differ in their drought stress phenotype. We show that the observed difference in xylem abscisic acid accumulation cannot explain the different stomatal responses under osmotic stress. Foliar abscisic acid accumulation cannot fully account for the stomatal behavior in one of both cultivars either. An indirect effect of abscisic acid on stomatal conductance via an impact on leaf hydraulic conductance, possibly mediated via aquaporins, as is recently proposed in literature, was not observed here. Next, we show that these two cultivars respond differently to jasmonic acid and one of its precursors. This difference in sensitivity of the jasmonates pathway between both cultivars may partly explain the different stomatal response. This study contributes to the understanding of the regulation of an important drought stress response in an economically important crop prone to water deficit stress
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|a Journal Article
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|a 12-Oxo phytodienoic acid (12-OPDA)
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|a Aquaporin
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|a Fragaria x ananassa
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|a Leaf hydraulic conductance
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|a Stomatal conductance (g(s))
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|a Transpiration
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|a Cyclopentanes
|2 NLM
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|a Oxylipins
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|a jasmonic acid
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|a 6RI5N05OWW
|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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| 700 |
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|a De Keyser, Ellen
|e verfasserin
|4 aut
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|a Van Labeke, Marie-Christine
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 151(2020) vom: 15. Juni, Seite 21-33
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnas
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|g volume:151
|g year:2020
|g day:15
|g month:06
|g pages:21-33
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|u http://dx.doi.org/10.1016/j.plaphy.2020.02.041
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