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240709s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108917
|2 doi
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|a pubmed24n1492.xml
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|a (DE-627)NLM374647313
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|a (NLM)38976941
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|a (PII)S0981-9428(24)00585-0
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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 Zou, Xuan
|e verfasserin
|4 aut
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|a N-terminal truncated trehalose-6-phosphate synthase 1 gene (△NIbTPS1) enhances the tolerance of sweet potato to abiotic stress
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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 04.08.2024
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|a Date Revised 04.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Masson SAS. All rights reserved.
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|a Sweet potato [Ipomoea batatas (L.) Lam], the crop with the seventh highest annual production globally, is susceptible to various adverse environmental influences, and the study of stress-resistant genes is important for improving its tolerance to abiotic stress. The enzyme trehalose-6-phosphate synthase (TPS) is indispensable in the one pathway for synthesizing trehalose in plants. TPS is known to participate in stress response in plants, but information on TPS in sweet potato is limited. This study produced the N-terminal truncated IbTPS1 gene (△NIbTPS1) overexpression lines of Arabidopsis thaliana and sweet potato. Following salt and mannitol-induced drought treatment, the germination rate, root elongation, and fresh weight of the transgenic A. thaliana were significantly higher than that in the wild type. Overexpression of △NIbTPS1 elevated the photosynthetic efficiency (Fv/Fm) and the activity of superoxide dismutase, peroxidase, catalase, and ascorbate peroxidase in sweet potato during drought and salt treatments, while reducing malondialdehyde and O2∙- contents, although expression of the trehalose-6-phosphate phosphatase gene IbTPP and trehalose concentrations were not affected. Thus, overexpressing the △NIbTPS1 gene can improve the stress tolerance of sweet potato to drought and salt by enhancing the photosynthetic efficiency and antioxidative enzyme system. These results will contribute to understand the functions of the △NIbTPS1 gene and trehalose in the response mechanism of higher plants to abiotic stress
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|a Journal Article
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|a Abiotic stress
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|a N-terminal truncation
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|a Sweet potato
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|a Trehalose
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|a Trehalose-6-phosphate synthase
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|a △NIbTPS1
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|a Glucosyltransferases
|2 NLM
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|a EC 2.4.1.-
|2 NLM
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|a trehalose-6-phosphate synthase
|2 NLM
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|a EC 2.4.1.15
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Trehalose
|2 NLM
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| 650 |
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|a B8WCK70T7I
|2 NLM
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| 700 |
1 |
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|a Wang, Sijie
|e verfasserin
|4 aut
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|a Cheng, Qirui
|e verfasserin
|4 aut
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|a Yu, Huan
|e verfasserin
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|a Yang, Zhe
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|a Wang, Yuan
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|a Yang, Yanxin
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|a Liang, Xuan
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|a Yang, Dongjing
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|a Kim, Ho Soo
|e verfasserin
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|a Jia, Xiaoyun
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|a Li, Lingzhi
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|a Kwak, Sang-Soo
|e verfasserin
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|a Wang, Wenbin
|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 214(2024) vom: 01. Aug., Seite 108917
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:214
|g year:2024
|g day:01
|g month:08
|g pages:108917
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108917
|3 Volltext
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