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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/ert149
|2 doi
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|a pubmed24n0760.xml
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|a (DE-627)NLM228140595
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|a (NLM)23744476
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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 Xie, Yanjie
|e verfasserin
|4 aut
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|a Roles of NIA/NR/NOA1-dependent nitric oxide production and HY1 expression in the modulation of Arabidopsis salt tolerance
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|c 2013
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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 21.01.2014
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|a Date Revised 21.10.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Despite substantial evidence on the separate roles of Arabidopsis nitric oxide-associated 1 (NOA1)-associated nitric oxide (NO) production and haem oxygenase 1 (HY1) expression in salt tolerance, their integrative signalling pathway remains largely unknown. To fill this knowledge gap, the interaction network among nitrate reductase (NIA/NR)- and NOA1-dependent NO production and HY1 expression was studied at the genetic and molecular levels. Upon salinity stress, the majority of NO production was attributed to NIA/NR/NOA1. Further evidence confirmed that HY1 mutant hy1-100, nia1/2/noa1, and nia1/2/noa1/hy1-100 mutants exhibited progressive salt hypersensitivity, all of which were significantly rescued by three NO-releasing compounds. The salinity-tolerant phenotype and the stronger NO production in gain-of-function mutant of HY1 were also blocked by the NO synthetic inhibitor and scavenger. Although NO- or HY1-deficient mutants showed a compensatory mode of upregulation of HY1 or slightly increased NO production, respectively, during 2 d of salt treatment, downregulation of ZAT10/12-mediated antioxidant gene expression (cAPX1/2 and FSD1) was observed after 7 d of treatment. The hypersensitive phenotypes and stress-related genes expression profiles were differentially rescued or blocked by the application of NO- (in particular) or carbon monoxide (CO)-releasing compounds, showing a synergistic mode. Similar reciprocal responses were observed in the nia1/2/noa1/hy1-100 quadruple mutant, with the NO-releasing compounds exhibit the maximal rescuing responses. Overall, the findings present the combination of compensatory and synergistic modes, linking NIA/NR/NOA1-dependent NO production and HY1 expression in the modulation of plant salt tolerance
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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
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|a NIA/NR
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|a NOA1
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|a haem oxygenase-1 (HY1)
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|a nitric oxide
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|a salt tolerance.
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|a Arabidopsis Proteins
|2 NLM
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|a Nitric Oxide
|2 NLM
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|a 31C4KY9ESH
|2 NLM
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|a Sodium Chloride
|2 NLM
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|a 451W47IQ8X
|2 NLM
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|a Oxidoreductases
|2 NLM
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|a EC 1.-
|2 NLM
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|a NOA1 protein, Arabidopsis
|2 NLM
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|a EC 1.14.13.39
|2 NLM
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|a Nitric Oxide Synthase
|2 NLM
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|a EC 1.14.13.39
|2 NLM
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|a HY1 protein, Arabidopsis
|2 NLM
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|a EC 1.14.14.18
|2 NLM
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|a Heme Oxygenase (Decyclizing)
|2 NLM
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|a EC 1.14.14.18
|2 NLM
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650 |
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|a HY2 protein, Arabidopsis
|2 NLM
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|a EC 1.3.7.4
|2 NLM
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|a Nitrate Reductase
|2 NLM
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|a EC 1.7.99.4
|2 NLM
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1 |
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|a Mao, Yu
|e verfasserin
|4 aut
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1 |
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|a Lai, Diwen
|e verfasserin
|4 aut
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1 |
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|a Zhang, Wei
|e verfasserin
|4 aut
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1 |
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|a Zheng, Tianqing
|e verfasserin
|4 aut
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|a Shen, Wenbiao
|e verfasserin
|4 aut
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0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 64(2013), 10 vom: 06. Juli, Seite 3045-60
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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|g volume:64
|g year:2013
|g number:10
|g day:06
|g month:07
|g pages:3045-60
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|u http://dx.doi.org/10.1093/jxb/ert149
|3 Volltext
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|d 64
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|h 3045-60
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