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Allelic Variation and Transcriptional Isoforms of Wheat TaMYC1 Gene Regulating Anthocyanin Synthesis in Pericarp
Zong, Yuan1,2; Xi, Xinyuan2,3; Li, Shiming2; Chen, Wenjie2; Zhang, Bo2; Liu, Dengcai4; Liu, Baolong2; Wang, Daowen5; Zhang, Huaigang1,2
2017-09-21
发表期刊FRONTIERS IN PLANT SCIENCE
ISSN1664-462X
卷号8
文章类型Article
摘要Recently the TaMYC1 gene encoding bHLH transcription factor has been isolated from the bread wheat (Triticum aestivum L.) genome and shown to co-locate with the Pp3 gene conferring purple pericarp color. As a functional evidence of TaMYC1 and Pp3 being the same, higher transcriptional activity of the TaMYC1 gene in colored pericarp compared to uncolored one has been demonstrated. In the current study, we present additional strong evidences of TaMYC1 to be a synonym of Pp3. Furthermore, we have found differences between dominant and recessive Pp3(TaMyc1) alleles. Light enhancement of TaMYC1 transcription was paralleled with increased AP accumulation only in purple-grain wheat. Coexpression of TaMYC1 and the maize MYB TF gene ZmC1 induced AP accumulation in the coleoptile of white-grain wheat. Suppression of TaMYC1 significantly reduced AP content in purple grains. Two distinct TaMYC1 alleles (TaMYC1p and TaMYC1w) were isolated from purple- and white-grained wheat, respectively. A unique, compound cis-acting regulatory element had six copies in the promoter of TaMYC1p, but was present only once in TaMYC1w. Analysis of recombinant inbred lines showed that TaMYC1p was necessary but not sufficient for AP accumulation in the pericarp tissues. Examination of larger sets of germplasm lines indicated that the evolution of purple pericarp in tetraploid wheat was accompanied by the presence of TaMYC1p. Our findings may promote more systematic basic and applied studies of anthocyanins in common wheat and related Triticeae crops.
关键词Common Wheat Purple Pericarp Anthocyanin Biosynthesis Bhlh Transcription Factor Pp3
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.3389/fpls.2017.01645
关键词[WOS]FUNCTIONAL-ANALYSIS ; VEGETATIVE TISSUES ; MOLECULAR ANALYSIS ; MAIZE ; BIOSYNTHESIS ; PIGMENTATION ; EXPRESSION ; PROTEIN ; COLOR ; COLEOPTILE
收录类别SCI
语种英语
项目资助者Ministry of Science and Technology of China(2016YFD0100500) ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDA08030106) ; National Natural Science Foundation of China(31071417 ; Project of Qinghai Science & Technology Department(2016-ZJ-Y01) ; West Light Foundation of the Chinese Academy of Sciences ; Open Project of State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University(2017-KF-06) ; 31260322)
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000411408500003
出版者FRONTIERS MEDIA SA
引用统计
被引频次:32[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/9808
专题中国科学院西北高原生物研究所
通讯作者Liu, Baolong; Wang, Daowen; Zhang, Huaigang
作者单位1.Qinghai Univ, State Key Lab Plateau Ecol & Agr, Xining, Qinghai, Peoples R China
2.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining, Qinghai, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Sichuan Agr Univ, Triticeae Res Inst, Chengdu, Sichuan, Peoples R China
5.Chinese Acad Sci, Inst Genet & Dev Biol, State Key Lab Plant Cell & Chromosome Engn, Beijing, Peoples R China
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Zong, Yuan,Xi, Xinyuan,Li, Shiming,et al. Allelic Variation and Transcriptional Isoforms of Wheat TaMYC1 Gene Regulating Anthocyanin Synthesis in Pericarp[J]. FRONTIERS IN PLANT SCIENCE,2017,8.
APA Zong, Yuan.,Xi, Xinyuan.,Li, Shiming.,Chen, Wenjie.,Zhang, Bo.,...&Zhang, Huaigang.(2017).Allelic Variation and Transcriptional Isoforms of Wheat TaMYC1 Gene Regulating Anthocyanin Synthesis in Pericarp.FRONTIERS IN PLANT SCIENCE,8.
MLA Zong, Yuan,et al."Allelic Variation and Transcriptional Isoforms of Wheat TaMYC1 Gene Regulating Anthocyanin Synthesis in Pericarp".FRONTIERS IN PLANT SCIENCE 8(2017).
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