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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2020.110796
|2 doi
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|a pubmed25n1068.xml
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|a (DE-627)NLM320494683
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|a (NLM)33487333
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|a (PII)S0168-9452(20)30402-7
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Li, Zhenjun
|e verfasserin
|4 aut
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| 245 |
1 |
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|a SlMYB14 promotes flavonoids accumulation and confers higher tolerance to 2,4,6-trichlorophenol in tomato
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|c 2021
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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 05.05.2021
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 Elsevier B.V. All rights reserved.
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|a Flavonoids are small molecular secondary metabolites, which have a variety of biological functions. Transcriptional regulations of key enzyme genes play critical roles in the flavonoid biosynthesis. In this study, an R2R3-MYB transcription factor gene, SlMYB14, was isolated from tomato and characterized. The nucleus-localized SlMYB14 functions as a transcriptional activator in yeast. The expression of SlMYB14 could be induced by methyl jasmonic acid, wounding and ABA. SlMYB14 works downstream of SlMYC2 in the jasmonate signaling pathway. Overexpression of SlMYB14 under the control of CaMV35S promoter in tomato led to increased accumulation of flavonoids. RNA-sequencing analysis revealed that the transcript levels of several structural genes associated with flavonoid biosynthesis were up-regulated in transgenic tomato plants. Gel-shift assays confirmed that SlMYB14 protein could bind to the promoter regions of SlPAL genes. It was also found that overexpression of SlMYB14 improved the tolerance of transgenic plants to 2,4,6-trichlorophenol (2,4,6-TCP), an environmental organic pollutant which could cause serious oxidative damage to plant. These results suggest that SlMYB14 participates in the regulation of flavonoid biosynthesis and might play a role in maintaining reactive oxygen species homeostasis in plant. SlMYB14 gene also has the potential to contribute to the phytoremediation of 2,4,6-TCP-contaminated soils
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|a Journal Article
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|a 2,4,6-TCP
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|a Flavonoid
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|a Reactive oxygen species
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|a SlMYB14
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|a SlPAL
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|a Tomato
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|a Acetates
|2 NLM
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| 650 |
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|a Chlorophenols
|2 NLM
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| 650 |
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|a Cyclopentanes
|2 NLM
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| 650 |
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|a Environmental Pollutants
|2 NLM
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| 650 |
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|a Flavonoids
|2 NLM
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| 650 |
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|a Oxylipins
|2 NLM
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| 650 |
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|a Plant Growth Regulators
|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 Proto-Oncogene Proteins c-myb
|2 NLM
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| 650 |
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|a Reactive Oxygen Species
|2 NLM
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| 650 |
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|a methyl jasmonate
|2 NLM
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| 650 |
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|a 900N171A0F
|2 NLM
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| 650 |
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|a 2,4,6-trichlorophenol
|2 NLM
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| 650 |
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|a MHS8C5BAUZ
|2 NLM
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| 700 |
1 |
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|a Peng, Rihe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yao, Quanhong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 303(2021) vom: 04. Feb., Seite 110796
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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| 773 |
1 |
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|g volume:303
|g year:2021
|g day:04
|g month:02
|g pages:110796
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|u http://dx.doi.org/10.1016/j.plantsci.2020.110796
|3 Volltext
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