Molecular Characterization of WRKY Transcription Factors That Act as Negative Regulators of O-Methylated Catechin Biosynthesis in Tea Plants (Camellia sinensis L.)

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成果类型：

期刊论文

作者：

Luo, Yong;Yu, Shuangshuang;Li, Juan;Li, Qin;Wang, Kunbo*;...

通讯作者：

Wang, Kunbo;Huang, Jianan;Liu, Zhonghua

作者机构：

[Wang, KB; Huang, JN; Liu, Zhonghua; Li, Qin; Wang, Kunbo; Luo, Yong; Yu, Shuangshuang; Li, Juan; Huang, Jianan] Hunan Agr Univ, Key Lab Tea Sci, Minist Educ, Changsha 410128, Hunan, Peoples R China.

[Wang, KB; Huang, JN; Liu, Zhonghua; Li, Qin; Wang, Kunbo; Li, Juan; Huang, Jianan] Hunan Agr Univ, Natl Res Ctr Engn & Technol Utilizat Bot Funct In, Changsha 410128, Hunan, Peoples R China.

[Wang, KB; Huang, JN; Liu, Zhonghua; Li, Qin; Wang, Kunbo; Li, Juan; Huang, Jianan] Hunan Agr Univ, Hunan Coinnovat Ctr Utilizat Bot Funct Ingredient, Changsha 410128, Hunan, Peoples R China.

通讯机构：

[Wang, KB; Huang, JN; Liu, ZH] H

Hunan Agr Univ, Key Lab Tea Sci, Minist Educ, Changsha 410128, Hunan, Peoples R China.

Hunan Agr Univ, Natl Res Ctr Engn & Technol Utilizat Bot Funct In, Changsha 410128, Hunan, Peoples R China.

Hunan Agr Univ, Hunan Coinnovat Ctr Utilizat Bot Funct Ingredient, Changsha 410128, Hunan, Peoples R China.

语种：

英文

关键词：

Biochemistry;Biosynthesis;Flavonoids;Phenols;Plants (botany);Transcription factors;Vitamins;Camellia sinensis;Expression patterns;Molecular characterization;Negative correlation;Negative regulators;Transcriptional regulator;Transcriptional repression;WRKY;Transcription;catechin;epigallocatechin-3-O-(3''-O-methyl)-gallate;gallic acid;plant protein;transcription factor;amino acid sequence;analogs and derivatives;biology;biosynthesis;Camellia sinensis;chemistry;gene expression regulation;genetics;promoter region;tea;Amino Acid Sequence;Camellia sinensis;Catechin;Computational Biology;Gallic Acid;Gene Expression Regulation, Plant;Plant Proteins;Promoter Regions, Genetic;Tea;Transcription Factors

期刊：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY

ISSN：

0021-8561

年：

2018

卷：

期：

页码：

11234-11243

DOI：

10.1021/acs.jafc.8b02175

基金类别：

*Telephone/Fax: +86-73184635304. E-mail: wkboo163@163. com. *Telephone: +86-73184635306. Fax: +86-73184635304. E-mail: jian7513@sina.com. *Telephone: +86-73184635306. Fax: +86-73184635304. E-mail: zhonghualiu163@163.com. ORCID Zhonghua Liu: 0000-0003-4645-7092 Author Contributions Yong Luo, Shuangshuang Yu, Kunbo Wang, Jianan Huang, and Zhonghua Liu designed and performed the experiments, analyzed the data, and co-wrote the manuscript. Juan Li and Qin Li helped with collecting materials, extracting total RNA, and performing qRT-PCR. Funding The work was financially supported by the National Natural Science Foundation of China (31470692, 31670691, and 31500567). Notes The authors declare no competing financial interest.

机构署名：

本校为第一且通讯机构

院系归属：

园艺园林学院

摘要：

Tea O-methylated catechins, especially (-)-epigallocatechin 3-O-(3-O-methyl)gallate (EGCG3″Me), have been attracting much attention as a result of their positive health effects. The transcription regulators of O-methylated catechin biosynthesis remain elusive. In this study, the expression pattern of genes related to O-methylated catechin biosynthesis, including CsLAR, CsANS, CsDFR, CsANR, and CCoAOMT, in three tea cultivars with different contents of EGCG3″Me was investigated. Two WRKY transcription factors (TFs), designated as CsWRKY31 and ...

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Molecular Characterization of WRKY Transcription Factors That Act as Negative Regulators of O-Methylated Catechin Biosynthesis in Tea Plants (Camellia sinensis L.)

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