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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2021.04.003
|2 doi
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|a pubmed24n1079.xml
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|a (DE-627)NLM324003633
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|a (NLM)33845331
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|a (PII)S0981-9428(21)00187-X
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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 Wang, Shumin
|e verfasserin
|4 aut
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| 245 |
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|a Overexpression of MtRAV3 enhances osmotic and salt tolerance and inhibits growth of Medicago truncatula
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|c 2021
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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 12.05.2021
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|a Date Revised 12.05.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2021 Elsevier Masson SAS. All rights reserved.
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|a Related to ABI3/VP1 (RAV) transcription factors play important roles in regulating plant growth and stress tolerance, which have been studied in many plant species, but have remained largely unidentified in legumes. To functionally characterize RAV in legumes, MtRAV3 from legume model plant Medicago truncatula was isolated and its function was investigated by overexpressing MtRAV3 in M. truncatula. Expression analysis demonstrated that MtRAV3 was markedly induced by NaCl and polyethylene glycol (PEG). MtRAV3 overexpression enhanced tolerance of transgenic M. truncatula to mannitol, drought and salt stresses, and induced the expression of adversity-related genes, including MtWRKY76, MtMYB61, cold-acclimation specific protein 31 (MtCAS31), alternative oxidase 1 (MtAOX1) and ethylene response factor 1 (MtERF1). There were lower relative electrolyte leakage and higher chlorophyll content of leaves in the MtRAV3 overexpression plants than in wild type plants under both salt and drought stress. MtRAV3 overexpression M. truncatula were featured by some phenotypes of dwarfing, late flowering, more branches, smaller flower and leaf organs. Further investigations showed that the expression levels of DWARF14 (MtD14), CAROTENOID CLEAVAGE DIOXYGENASES 7 (MtCCD7) and GA3-oxidase1 (MtGA3ox1), which related to dwarf and branch phenotype, were obviously reduced, as well as MtGA3ox1' (MTR_1g011580), GA20-oxidase1 (MtGA20ox1), MtGA20ox1' (MTR_1g102070) and GA20-oxidase2 (MtGA20ox2) involved in gibberellins (GAs) pathway. Overall, our results revealed that MtRAV3 exerted an important role in adversity response and plant growth, was a multifunctional gene in M. truncatula, which provided reference for genetic improvement of alfalfa (Medicago sativa)
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|a Journal Article
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|a Flowering time
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|a Medicago truncatula
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|a Osmotic and salt tolerance
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|a Plant architecture
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|a RAV transcription Factor
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| 650 |
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|a Plant Proteins
|2 NLM
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| 700 |
1 |
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|a Guo, Tao
|e verfasserin
|4 aut
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| 700 |
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|a Shen, Yixin
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Zhen
|e verfasserin
|4 aut
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| 700 |
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|a Kang, Junmei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jiaju
|e verfasserin
|4 aut
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| 700 |
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|a Yi, Fengyan
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Qingchuan
|e verfasserin
|4 aut
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| 700 |
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|a Long, Ruicai
|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 163(2021) vom: 01. Juni, Seite 154-165
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:163
|g year:2021
|g day:01
|g month:06
|g pages:154-165
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|u http://dx.doi.org/10.1016/j.plaphy.2021.04.003
|3 Volltext
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|d 163
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|h 154-165
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