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The R2R3-MYB transcription factor GhMYB1a regulates flavonol and anthocyanin accumulation in Gerbera hybrida
Zhong, Chunmei; Tang, Yi1; Pang, Bin1; Li, Xukun1; Yang, Yuping1; Deng, Jing; Feng, Chengyong2; Li, Lingfei3; Ren, Guiping1; Wang, Yaqin1; Peng, Jianzong1; Sun, Shulan1; Liang, Shan1; Wang, Xiaojing1
2020
发表期刊HORTICULTURE RESEARCH
ISSN2662-6810
卷号7期号:1
摘要Anthocyanins and flavonols have vital roles in flower coloration, plant development, and defense. Because anthocyanins and flavonols share the same subcellular localization and common biosynthetic substrates, these pathways may compete for substrates. However, the mechanism regulating this potential competition remains unclear. Here, we identified GhMYB1a, an R2R3-MYB transcription factor involved in the regulation of anthocyanin and flavonol accumulation in gerbera (Gerberahybrida). GhMYB1a shares high sequence similarity with that of other characterized regulators of flavonol biosynthesis. In addition, GhMYB1a is also phylogenetically grouped with these proteins. The overexpression of GhMYB1a in gerbera and tobacco (Nicotianatabacum) resulted in decreased anthocyanin accumulation and increased accumulation of flavonols by upregulating the structural genes involved in flavonol biosynthesis. We further found that GhMYB1a functions as a homodimer instead of interacting with basic helix-loop-helix cofactors. These results suggest that GhMYB1a is involved in regulating the anthocyanin and flavonol metabolic pathways through precise regulation of gene expression. The functional characterization of GhMYB1a provides insight into the biosynthesis and regulation of flavonols and anthocyanins.
学科领域Plant Sciences ; Genetics & Heredity ; Horticulture
DOI10.1038/s41438-020-0296-2
收录类别SCI
语种英语
WOS关键词MYB DOMAIN ; MAIZE C1 ; BIOSYNTHESIS ; IDENTIFICATION ; GENES ; PIGMENTATION ; BIOCHEMISTRY ; ACTIVATION ; EXPRESSION ; COMPLEX
WOS研究方向Plant Sciences ; Genetics & Heredity ; Agriculture
WOS记录号WOS:000534241000001
出版者NANJING AGRICULTURAL UNIV
文献子类Article
出版地NANJING
EISSN2052-7276
资助机构Foundation of Guangzhou Science and Technology Project [201904010127] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31372099, 31601784, 31672188] ; Open Project Foundation of South China Normal University [2018KF0202] ; Specialized Research Fund for Graduate Students at South China Normal University [2014ssxm26]
作者邮箱liangsh@scnu.edu.cn ; wangxj@scnu.edu.cn
作品OA属性gold, Green Published
引用统计
被引频次:65[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/21757
专题中科院北方资源植物重点实验室
作者单位1.South China Agr Univ, Minist Agr, Key Lab Energy Plants Resource & Utilizat, Coll Forestry & Landscape Architecture, Guangzhou 510642, Peoples R China
2.South China Normal Univ, Sch Life Sci, Guangdong Prov Key Lab Biotechnol Plant Dev, Guangzhou 510631, Peoples R China
3.Chinese Acad Sci, Inst Bot, Key Lab Plant Resources & Beijing Bot Garden, Beijing 100093, Peoples R China
4.Shenzhen & Chinese Acad Sci, Fairy Lake Bot Garden, Key Lab Southern Subtrop Plant Div, Shenzhen 518004, Guangdong, Peoples R China
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GB/T 7714
Zhong, Chunmei,Tang, Yi,Pang, Bin,et al. The R2R3-MYB transcription factor GhMYB1a regulates flavonol and anthocyanin accumulation in Gerbera hybrida[J]. HORTICULTURE RESEARCH,2020,7(1).
APA Zhong, Chunmei.,Tang, Yi.,Pang, Bin.,Li, Xukun.,Yang, Yuping.,...&Wang, Xiaojing.(2020).The R2R3-MYB transcription factor GhMYB1a regulates flavonol and anthocyanin accumulation in Gerbera hybrida.HORTICULTURE RESEARCH,7(1).
MLA Zhong, Chunmei,et al."The R2R3-MYB transcription factor GhMYB1a regulates flavonol and anthocyanin accumulation in Gerbera hybrida".HORTICULTURE RESEARCH 7.1(2020).
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