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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2021.153404
|2 doi
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|a pubmed24n1076.xml
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|a (DE-627)NLM323011837
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|a (NLM)33744782
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|a (PII)S0176-1617(21)00043-2
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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 Wang, Wenqiang
|e verfasserin
|4 aut
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|a Overexpression of isochorismate synthase enhances drought tolerance in barley
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|c 2021
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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 28.05.2021
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|a Date Revised 28.05.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2021 Elsevier GmbH. All rights reserved.
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|a Isochorismate synthase (ICS) is a key enzyme for the synthesis of salicylic acid (SA) in plants. SA mediates plant responses to both biotic and abiotic stresses. In previous studies, we found that overexpression of ICS (ICSOE) or suppression of ICS (ICSRNAi) affected the host response to Fusarium graminearum in barley. However, whether the barley ICS gene plays a role in adapting to abiotic stresses remains to be determined. In the present study, expression of the ICS gene was upregulated when treated with 20 % PEG6000, and ICSOE lines were more drought tolerant than wild type (WT) and ICSRNAi. In addition, the abscisic acid (ABA) levels in the ICSOE lines were higher than those in the WT and ICSRNAi lines under drought stress. High ABA levels significantly reduced Gs and E, which may impact water retention under drought stress. Under drought conditions, the activity of antioxidant enzymes was significantly higher in the ICSOE lines, correlating with a lower levels of reactive oxygen species (ROS) and malondialdehyde (MDA). Enhanced antioxidant competence also contributed to drought tolerance in ICSOE lines. These findings help elucidate the abiotic stress resistance of the ICS pathway in barley
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|a Journal Article
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|a Abscisic acid
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|a Antioxidant competence
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|a Barley
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|a Drought tolerance
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|a Isochorismate synthase
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|a Salicylic acid
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|a Plant Proteins
|2 NLM
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|a Intramolecular Transferases
|2 NLM
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|a EC 5.4.-
|2 NLM
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|a isochorismate synthase
|2 NLM
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| 650 |
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|a EC 5.4.4.2
|2 NLM
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| 700 |
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|a Zhang, Guangqiang
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Shenlin
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Junyu
|e verfasserin
|4 aut
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|a Deng, Yanmei
|e verfasserin
|4 aut
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|a Qi, Juan
|e verfasserin
|4 aut
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|a Wu, Jiajie
|e verfasserin
|4 aut
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|a Fu, Daolin
|e verfasserin
|4 aut
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|a Wang, Wei
|e verfasserin
|4 aut
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|a Hao, Qunqun
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 260(2021) vom: 07. Mai, Seite 153404
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:260
|g year:2021
|g day:07
|g month:05
|g pages:153404
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|u http://dx.doi.org/10.1016/j.jplph.2021.153404
|3 Volltext
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