Genome-Wide Identification and Characterization of BrrTCP Transcription Factorsin Brassica rapa ssp rapa
Du, Jiancan1,2,3; Hu, Simin1,2,3; Yu, Qin1,2,3; Wang, Chongde4; Yang, Yunqiang1,2; Sun, Hang1; Yang, Yongping1,2; Sun, Xudong1,2
2017-09-12
发表期刊FRONTIERS IN PLANT SCIENCE
ISSN1664-462X
卷号8期号:1页码:1588
摘要

The teosinte branched1/cycloidea/proliferating cell factor (TCP) gene family is a plant-specific transcription factor that participates in the control of plant development by regulating cell proliferation. However, no report is currently available about this gene family in turnips (Brassica rapa ssp. rapa). In this study, a genome-wide analysis of TCP genes was performed in turnips. Thirty-nine TCP genes in turnip genome were identified and distributed on 10 chromosomes. Phylogenetic analysis clearly showed that the family was classified as two clades: class I and class II. Gene structure and conserved motif analysis showed that the same clade genes have similar gene structures and conserved motifs. The expression profiles of 39 TCP genes were determined through quantitative real-time PCR. Most CIN-type BrrTCP genes were highly expressed in leaf. The members of CYC/TB1 subclade are highly expressed in flower bud and weakly expressed in root. By contrast, class I clade showed more widespread but less tissue-specific expression patterns. Yeast two-hybrid data show that BrrTCP proteins preferentially formed heterodimers. The function of BrrTCP2 was confirmed through ectopic expression of BrrTCP2 in wild-type and loss-of-function ortholog mutant of Arabidopsis. Overexpression of BrrTCP2 in wild-type Arabidopsis resulted in the diminished leaf size. Overexpression of BrrTCP2 in triple mutants of tcp2/4/10 restored the leaf phenotype of tcp2/4/10 to the phenotype of wild type. The comprehensive analysis of turnip TCP gene family provided the foundation to further study the roles of TCP genes in turnips.

关键词Tcp Transcription Factors Expression Analysis Turnip Cell Proliferation
收录类别SCI
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/54885
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Key Lab Plant Divers & Biogeog East Asia, Kunming Inst Bot, Kunming, Yunnan, Peoples R China
2.Chinese Acad Sci, Germplasm Bank Wild Species, Kunming Inst Bot, Kunming, Yunnan, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Yunnan Agr Univ, Coll Plant Protect, Kunming, Yunnan, Peoples R China
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Du, Jiancan,Hu, Simin,Yu, Qin,et al. Genome-Wide Identification and Characterization of BrrTCP Transcription Factorsin Brassica rapa ssp rapa[J]. FRONTIERS IN PLANT SCIENCE,2017,8(1):1588.
APA Du, Jiancan.,Hu, Simin.,Yu, Qin.,Wang, Chongde.,Yang, Yunqiang.,...&Sun, Xudong.(2017).Genome-Wide Identification and Characterization of BrrTCP Transcription Factorsin Brassica rapa ssp rapa.FRONTIERS IN PLANT SCIENCE,8(1),1588.
MLA Du, Jiancan,et al."Genome-Wide Identification and Characterization of BrrTCP Transcription Factorsin Brassica rapa ssp rapa".FRONTIERS IN PLANT SCIENCE 8.1(2017):1588.
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