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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2015.08.011
|2 doi
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|a pubmed24n0841.xml
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|a (DE-627)NLM252392035
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|a (NLM)26332662
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|a (PII)S0981-9428(15)30091-7
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Zhang, Liquan
|e verfasserin
|4 aut
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|a Cloning and characterization of a Ca(2+)/H(+) exchanger from the halophyte Salicornia europaea L
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|c 2015
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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 02.09.2016
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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 © 2015 Elsevier Masson SAS. All rights reserved.
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|a The calcium ion (Ca(2+)), which functions as a second messenger, plays an important role in plants' responses to various abiotic stresses, and Ca(2+)/H(+) exchangers (CAXs) are an important part of this process. In this study, we isolated and characterized a putative Ca(2+)/H(+) exchanger gene (SeCAX3) from Salicornia europaea L., a succulent, leafless euhalophyte. The SeCAX3 open reading frame was 1368 bp long and encoded a 455-amino-acid polypeptide that showed 67.9% similarity to AtCAX3. SeCAX3 was expressed in the shoots and roots of S. europaea. Expression of SeCAX3 was up-regulated by Ca(2+), Na(+), sorbitol, Li(+), abscisic acid, and cold treatments in shoots, but down-regulated by Ca(2+), sorbitol, abscisic acid, and cold treatments in roots. When SeCAX3 was transformed into a Ca-sensitive yeast strain, the transformed cells were able to grow in the presence of 200 mM Ca(2+). Furthermore, SeCAX3 conferred drought, salt, and cold tolerance in yeast. Compared with the control strains, the yeast transformants expressing SeCAX3 were able to grow well in the presence of 30 mM Li(+), 150 mM Mg(2+), or 6 mM Ba(2+). These results showed that the expression of SeCAX3 in yeast suppressed its Ca(2+) hypersensitivity and conferred tolerance to Mg(2+) and Ba(2+). Together, these findings suggest that SeCAX3 might be a Ca(2+) transporter that plays a role in regulating cation tolerance and the responses of S. europaea to various abiotic stresses
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Ca(2+)/H(+) exchanger
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|a Cation transport
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|a Expression characteristics
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|a Salicornia europaea
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|a Stress response
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|a Antiporters
|2 NLM
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| 650 |
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|a Cation Transport Proteins
|2 NLM
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| 650 |
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|a DNA, Complementary
|2 NLM
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| 650 |
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|a calcium-hydrogen antiporters
|2 NLM
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| 700 |
1 |
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|a Hao, Jinfeng
|e verfasserin
|4 aut
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|a Bao, Mulan
|e verfasserin
|4 aut
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|a Hasi, Agula
|e verfasserin
|4 aut
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|a Niu, Yiding
|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 96(2015) vom: 07. Nov., Seite 321-8
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:96
|g year:2015
|g day:07
|g month:11
|g pages:321-8
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|u http://dx.doi.org/10.1016/j.plaphy.2015.08.011
|3 Volltext
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|d 96
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