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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2012.12.014
|2 doi
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|a pubmed25n0749.xml
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|a (DE-627)NLM224928813
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|a (NLM)23399407
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|a (PII)S0176-1617(13)00033-3
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Dong, Qing-Long
|e verfasserin
|4 aut
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|a MdVHA-A encodes an apple subunit A of vacuolar H(+)-ATPase and enhances drought tolerance in transgenic tobacco seedlings
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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
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|2 rdacarrier
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|a Date Completed 27.08.2013
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|a Date Revised 13.12.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2013 Elsevier GmbH. All rights reserved.
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|a Vacuole H(+)-ATPases (VHAs) are plant proton pumps, which play a crucial role in plant growth and stress tolerance. In the present study, we demonstrated that the apple vacuolar H(+)-ATPase subunit A (MdVHA-A) is highly conserved with subunit A of VHA (VHA-A) proteins from other plant species. MdVHA-A was expressed in vegetative and reproductive organs. In apple in vitro shoot cultures, expression was induced by polyethylene glycol (PEG)-mediated osmotic stress. We further verified that over-expression of MdVHA-A conferred transgenic tobacco seedlings with enhanced vacuole H+-ATPase (VHA) activity and improved drought tolerance. The enhanced PEG-mimic drought response of transgenic tobacco seedlings was related to an extended lateral root system (dependent on auxin translocation) and more efficient osmotic adjustment. Our results indicate that MdVHA-A is a candidate gene for improving drought tolerance in plants
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Plant Proteins
|2 NLM
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|a Vacuolar Proton-Translocating ATPases
|2 NLM
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|a EC 3.6.1.-
|2 NLM
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|a Wang, Chun-Rong
|e verfasserin
|4 aut
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|a Liu, Dan-Dan
|e verfasserin
|4 aut
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|a Hu, Da-Gang
|e verfasserin
|4 aut
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|a Fang, Mou-Jing
|e verfasserin
|4 aut
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|a You, Chun-Xiang
|e verfasserin
|4 aut
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|a Yao, Yu-Xin
|e verfasserin
|4 aut
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|a Hao, Yu-Jin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 170(2013), 6 vom: 15. Apr., Seite 601-9
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:170
|g year:2013
|g number:6
|g day:15
|g month:04
|g pages:601-9
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|u http://dx.doi.org/10.1016/j.jplph.2012.12.014
|3 Volltext
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