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231227s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.108266
|2 doi
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|a pubmed24n1293.xml
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|a (DE-627)NLM365940313
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|a (NLM)38103338
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|a (PII)S0981-9428(23)00777-5
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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 Li, Ali
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Elevated CO2 concentration enhances drought resistance of soybean by regulating cell structure, cuticular wax synthesis, photosynthesis, and oxidative stress response
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|c 2024
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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 14.02.2024
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|a Date Revised 14.02.2024
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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 The atmospheric [CO2] and the frequency and intensity of extreme weather events such as drought are increased, leading to uncertainty to soybean production. Elevated [CO2] (eCO2) partially mitigates the adverse effects of drought stress on crop growth and photosynthetic performance, but the mitigative mechanism is not well understood. In this study, soybean seedlings under drought stress simulated by PEG-6000 were grown in climate chambers with different [CO2] (400 μmol mol-1 and 700 μmol mol-1). The changes in anatomical structure, wax content, photosynthesis, and antioxidant enzyme were investigated by the analysis of physiology and transcriptome sequencing (RNA-seq). The results showed that eCO2 increased the thickness of mesophyll cells and decreased the thickness of epidermal cells accompanied by reduced stomatal conductance, thus reducing water loss in soybean grown under drought stress. Meanwhile, eCO2 up-regulated genes related to wax anabolism, thus producing more epidermal wax. Under drought stress, eCO2 increased net photosynthetic rate (PN), ribulose-1,5-bisphosphate carboxylase/oxygenase activity, and alerted the gene expressions in photosynthesis. The increased sucrose synthesis and decreased sucrose decomposition contributed to the progressive increase in the soluble saccharide contents under drought stress with or without eCO2. In addition, eCO2 increased the expressions of genes associated with peroxidase (POD) and proline (Pro), thus enhancing POD activity and Pro content and improving the drought resistance in soybean. Taken together, these findings deepen our understanding of the effects of eCO2 on alleviating drought stress in soybean and provide potential target genes for the genetic improvement of drought tolerance in soybean
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4 |
|a Journal Article
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4 |
|a Anatomical structural
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|a Cuticular wax
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|a Drought
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|a Elevated CO(2) concentration
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|a RNA-Seq
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| 650 |
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|a Soybean
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| 650 |
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|a Carbon Dioxide
|2 NLM
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| 650 |
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7 |
|a 142M471B3J
|2 NLM
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| 650 |
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|a Antioxidants
|2 NLM
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| 650 |
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|a Sucrose
|2 NLM
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| 650 |
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|a 57-50-1
|2 NLM
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| 700 |
1 |
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|a Lv, Danni
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Dongsheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zong, Yuzheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Xinrui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Ping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hao, Xingyu
|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 206(2024) vom: 12. Jan., Seite 108266
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:206
|g year:2024
|g day:12
|g month:01
|g pages:108266
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2023.108266
|3 Volltext
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