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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.107900
|2 doi
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|a pubmed24n1199.xml
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|a (DE-627)NLM359822789
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|a (NLM)37482029
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|a (PII)S0981-9428(23)00411-4
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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 Zuo, Dan
|e verfasserin
|4 aut
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| 245 |
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|a EcAGL enhances cadmium tolerance in transgenic Arabidopsis thaliana through inhibits cadmium transport and ethylene synthesis pathway
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|c 2023
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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 14.08.2023
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|a Date Revised 14.08.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Masson SAS. All rights reserved.
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|a Cadmium (Cd) is a highly toxic heavy metal with severe impacts on plant growth and development. Although a multitude of plants have acquired strong tolerance to Cd stress, the underlying molecular mechanism has not been fully elucidated. Here, we identified a Agamous-like MADS-box gene (EcAGL) from Erigeron canadensis. The expression of EcAGL was obviously raised under Cd stress and subcellular localization indicated EcAGL was localized in the nucleus. Overexpression of EcAGL in Arabidopsis thaliana showed marked alleviation of the Cd-induced reduction; Compared to wild-type lines, the antioxidant enzymes activities were increased in EcAGL overexpressing lines under Cd stress. The roots Cd content of transgenic lines was not different with the control plants, whereas significant reduction in shoots Cd content was detected in the transgenic lines, indicating that this gene can enhance Cd tolerance by reducing Cd accumulation in Arabidopsis. Moreover, the expression levels of heavy metal ATPase (AtHMA2 and AtHMA3) and natural resistance-associated macrophage protein (AtNRAMP5) genes in the root of transgenic lines decreased under Cd stress, indicating that EcAGL likely hampered the Cd transport pathway. Gene expression profiles in shoot showed that EcAGL likely modulates the expression of 1-aminocyclopropane-1-carboxylic acid synthase gene (AtACS2), which is involved in the ethylene synthesis pathway, to strengthen the tolerance to Cd. Collectively, these results indicate that EcAGL plays a significant role in regulating Cd tolerance in E. canadensis by alleviating oxidative stress, Cd transport and affecting the ethylene biosynthesis pathway, providing new insight into the molecular mechanism underlying plant tolerance to Cd stress
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|a Journal Article
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|a Antioxidant enzymes
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|a Cadmium stress
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|a EcAGL
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|a Erigeron canadensis
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|a Transcriptome
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|a Cadmium
|2 NLM
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| 650 |
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|a 00BH33GNGH
|2 NLM
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Metals, Heavy
|2 NLM
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| 650 |
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|a ethylene
|2 NLM
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| 650 |
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|a 91GW059KN7
|2 NLM
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| 650 |
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|a Ethylenes
|2 NLM
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| 650 |
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|a Antioxidants
|2 NLM
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| 700 |
1 |
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|a Hu, Mingyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Wenwen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lei, Fangping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Jingwen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gu, Lei
|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 201(2023) vom: 05. Aug., Seite 107900
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:201
|g year:2023
|g day:05
|g month:08
|g pages:107900
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|u http://dx.doi.org/10.1016/j.plaphy.2023.107900
|3 Volltext
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