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20240914232647.0 |
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240801s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108977
|2 doi
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|a pubmed24n1533.xml
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|a (DE-627)NLM375716351
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|a (NLM)39084167
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|a (PII)S0981-9428(24)00645-4
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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 Liu, Zhiguo
|e verfasserin
|4 aut
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| 245 |
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|a Silicon improves salt resistance by enhancing ABA biosynthesis and aquaporin expression in Nicotiana tabacum L
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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
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|2 rdacarrier
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|a Date Completed 14.09.2024
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|a Date Revised 14.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024. Published by Elsevier Masson SAS.
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|a Silicon (Si) can significantly improve the salt tolerance of plants, but its mechanism remains unclear. In this study, role of abscisic acid (ABA) in Si derived salt resistance in tobacco seedling was investigated. Under salt stress, the photosynthetic rate, stomatal conductance, and transpiration rate of tobacco seedlings were reduced by 86.17%, 80.63%, and 67.54% respectively, resulting in a decrease in biomass. The application of Si found to mitigate these stress-induced markers. However, positive role of Si was mainly attributed to the enhanced expression of aquaporin genes, which helped in enhancing root hydraulic conductance (Lpr) and ultimately maintaining the leaf relative water content (RWC). Moreover, sodium tungstate, an ABA biosynthesis inhibitor, was used to test the role of ABA on Si-regulating Lpr. The results indicated that the improvement of Lpr by Si was diminished in the presence of ABA inhibitor. In addition, it was observed that the ABA content was increased due to the Si-upregulated of ABA biosynthesis genes, namely NtNCED1 and NtNCED5. Conversely, the expression of ABA metabolism gene NtCYP7O7A was found to be reduced by Si. Together, this study suggested that Si increased ABA content, leading to enhanced efficiency of water uptake by the roots, ultimately facilitating an adequate water supply to maintain leaf water balance. As a result, there was an improvement in salt resistance in tobacco seedling
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|a Journal Article
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|a ABA
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|a Aquaporin
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|a RWC
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|a Root hydraulic conductance
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|a Salt stress
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|a Silicon
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|a Abscisic Acid
|2 NLM
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|a 72S9A8J5GW
|2 NLM
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|a Silicon
|2 NLM
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| 650 |
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|a Z4152N8IUI
|2 NLM
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| 650 |
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|a Aquaporins
|2 NLM
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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 Yan, Jiyuan
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Dan
|e verfasserin
|4 aut
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|a Ahmad, Parvaiz
|e verfasserin
|4 aut
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|a Qin, Mengzhan
|e verfasserin
|4 aut
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|a Li, Runze
|e verfasserin
|4 aut
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|a Ali, Basharat
|e verfasserin
|4 aut
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|a Sonah, Humira
|e verfasserin
|4 aut
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|a Deshmukh, Rupesh
|e verfasserin
|4 aut
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|a Yadav, Krishna Kumar
|e verfasserin
|4 aut
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|a El-Sheikh, Mohamed A
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Li
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Peng
|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 215(2024) vom: 11. Sept., Seite 108977
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:215
|g year:2024
|g day:11
|g month:09
|g pages:108977
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108977
|3 Volltext
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