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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2018.04.007
|2 doi
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|a pubmed24n0943.xml
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|a (DE-627)NLM283018844
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|a (NLM)29653436
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|a (PII)S0981-9428(18)30165-7
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Nawaz, Ghazala
|e verfasserin
|4 aut
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|a A chloroplast-targeted cabbage DEAD-box RNA helicase BrRH22 confers abiotic stress tolerance to transgenic Arabidopsis plants by affecting translation of chloroplast transcripts
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|c 2018
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| 336 |
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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 26.07.2018
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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 © 2018 Elsevier Masson SAS. All rights reserved.
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|a Although the roles of many DEAD-box RNA helicases (RHs) have been determined in the nucleus as well as in cytoplasm during stress responses, the importance of chloroplast-targeted DEAD-box RHs in stress response remains largely unknown. In this study, we determined the function of BrRH22, a chloroplast-targeted DEAD-box RH in cabbage (Brassica rapa), in abiotic stress responses. The expression of BrRH22 was markedly increased by drought, heat, salt, or cold stress and by ABA treatment, but was largely decreased by UV stress. Expression of BrRH22 in Arabidopsis enhanced germination and plantlet growth under high salinity or drought stress. BrRH22-expressing plants displayed a higher cotyledon greening and better plantlet growth upon ABA treatment due to decreases in the levels of ABI3, ABI4, and ABI5. Further, BrRH22 affected translation of several chloroplast transcripts under stress. Notably, BrRH22 had RNA chaperone function. These results altogether suggest that chloroplast-transported BrRH22 contributes positively to the response of transgenic Arabidopsis to abiotic stress by affecting translation of chloroplast genes via its RNA chaperone activity
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|a Journal Article
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|a Abiotic stress
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|a Cabbage
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|a Chloroplast
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|a DEAD-box
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|a RNA chaperone
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|a RNA helicase
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|a Chloroplast Proteins
|2 NLM
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| 650 |
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|a DEAD-box RNA Helicases
|2 NLM
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| 650 |
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|a EC 3.6.4.13
|2 NLM
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| 700 |
1 |
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|a Lee, Kwanuk
|e verfasserin
|4 aut
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| 700 |
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|a Park, Su Jung
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Yeon-Ok
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kang, Hunseung
|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 127(2018) vom: 01. Juni, Seite 336-342
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:127
|g year:2018
|g day:01
|g month:06
|g pages:336-342
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|u http://dx.doi.org/10.1016/j.plaphy.2018.04.007
|3 Volltext
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|d 127
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|h 336-342
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