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240718s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108937
|2 doi
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|a pubmed24n1494.xml
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|a (DE-627)NLM375063919
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|a (NLM)39018774
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|a (PII)S0981-9428(24)00605-3
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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 He, Shun
|e verfasserin
|4 aut
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|a NtWIN1 regulates the biosynthesis of scopoletin and chlorogenic acid by targeting NtF6'H1 and NtCCoAMT genes in Nicotiana tabacum
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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 06.08.2024
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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 Scopoletin and chlorogenic acid (CGA) are important polyphenols that regulate plant growth, development, and stress resistance. The ERF transcription factor WAX INDUCER1 (WIN1) promotes the biosynthesis of cutin, suberine, and wax. However, its full roles in regulating the accumulation of plant secondary metabolites still remain to be further clarified. In this study, NtWIN1 gene encoding a SHINE-type AP2/ERF transcription factor of the Va subgroup was identified from N. tabacum. NtWIN1 showed high expression levels in tobacco stems, sepals, and pistils. Overexpression (OE) and knock-out of NtWIN1 showed that it promoted the accumulation of total polyphenols and altered their composition. Compare to that of WT plants, the CGA contents significantly increased by 25%-50% in the leaves, flowers, and capsules of OE lines, while the scopoletin contents in the OE plants significantly decreased by 30%-67%. In contrast, the CGA contents in ntwin1 lines reduced by 23%-26%, and the scopoletin contents in ntwin1 increased by 38%-75% compare to that of WT plants. Chromatin immunoprecipitation and Dual-Luc transcription activation assays showed that NtWIN1 could bind to the promoters of NtF6'H1 and NtCCoAMT, thereby modulating their expression. The scopoletin content in ntwin1/ntf6'h1 double mutant was significantly lower than that in ntwin1 and WT plants, but showed no significant differences with that in ntf6'h1 mutant, further indicating that the inhibition of NtWIN1 on scopoletin accumulation depends on the activity of NtF6'H1. Our study illustrates the new roles of NtWIN1, and provides a possible target for regulating the synthesis of polyphenols in tobacco
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|a Journal Article
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|a CGA
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|a Nicotiana tabacum
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|a NtWIN1
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|a Scopoletin biosynthesis
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|a Secondary metabolites
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|a Scopoletin
|2 NLM
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|a KLF1HS0SXJ
|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 Chlorogenic Acid
|2 NLM
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| 650 |
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|a 318ADP12RI
|2 NLM
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| 650 |
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|a Transcription Factors
|2 NLM
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| 650 |
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|a Methionine Adenosyltransferase
|2 NLM
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| 650 |
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|a EC 2.5.1.6
|2 NLM
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| 700 |
1 |
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|a Gao, Junping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Bingyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luo, Zhaopeng
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Pingping
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Xin
|e verfasserin
|4 aut
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| 700 |
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|a Wu, Mingzhu
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Jun
|e verfasserin
|4 aut
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|a He, Xinxi
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Zhong
|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: 05. Aug., Seite 108937
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:214
|g year:2024
|g day:05
|g month:08
|g pages:108937
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108937
|3 Volltext
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|d 214
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