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Distinct Regulatory Changes Underlying Differential Expression of TEOSINTE BRANCHED1-CYCLOIDEA-PROLIFERATING CELL FACTOR Genes Associated with Petal Variations in Zygomorphic Flowers of Petrocosmea spp. of the Family Gesneriaceae
Yang, Xia; Zhao, Xiao-Ge; Li, Chao-Qun; Liu, Jing; Qiu, Zhi-Jing; Dong, Yang; Wang, Yin-Zheng
2015
发表期刊PLANT PHYSIOLOGY
ISSN0032-0889
卷号169期号:3页码:2138-2151
摘要CYCLOIDEA (CYC)-like genes, belonging to the plant-specific TCP transcription factor family that is named after TEOSINTE BRANCHED1 (TB1) from maize (Zea mays), CYC from Antirrhinum majus, and the PROLIFERATING CELL FACTORS (PCF) from rice (Oryza sativa), have conserved dorsal identity function in patterning floral zygomorphy mainly through specific expression in dorsal petals of a flower. Their expression changes are usually related to morphological diversity of zygomorphic flowers. However, it is still a challenge to elucidate the molecular mechanism underlying their expression differentiation. It is also unknown whether CINCINNATA (CIN)-like TCP genes, locally controlling cell growth and proliferation, are involved in the evolution of floral zygomorphy. To address these questions, we selected two closely related species, i.e. Petrocosmea glabristoma and Petrocosmea sinensis, with distinct petal morphology to conduct expression, hybridization, mutant, and allele-specific expression analyses. The results show that the size change of the dorsal petals between the two species is mainly mediated by the expression differentiation of CYC1C and CYC1D, while the shape variation of all petals is related to the expression change of CIN1. In reciprocal F1 hybrids, the expression of CYC1C, CYC1D, and CIN1 conforms to an additive inheritance mode, consistent with the petal phenotypes of hybrids. Through allele-specific expression analyses, we find that the expression differentiation of these TCP genes is underlain by distinctly different types of regulatory changes. We suggest that highly redundant paralogs with identical expression patterns and interspecific expression differentiation may be controlled by remarkably different regulatory pathways because natural selection may favor different regulatory modifications rather than coding sequence changes of key developmental genes in generating morphological diversity.
学科领域Plant Sciences
DOI10.1104/pp.15.01181
收录类别SCI
语种英语
WOS关键词ALLELE-SPECIFIC EXPRESSION ; TCP TRANSCRIPTION FACTORS ; FLORAL SYMMETRY GENES ; CYC-LIKE GENES ; COROLLA MONOSYMMETRY ; CLADE GENES ; EVOLUTION ; MAIZE ; ORIGIN ; CIS
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号WOS:000367393900052
出版者AMER SOC PLANT BIOLOGISTS
文献子类Article
出版地ROCKVILLE
EISSN1532-2548
资助机构National Natural Science Foundation of China [31170198, 31300197]
作者邮箱wangyz@ibcas.ac.cn
作品OA属性Green Published, hybrid
引用统计
被引频次:28[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/2S10CLM1/25699
专题系统与进化植物学国家重点实验室
作者单位1.[Yang, Xia
2.Zhao, Xiao-Ge
3.Li, Chao-Qun
4.Liu, Jing
5.Qiu, Zhi-Jing
6.Dong, Yang
7.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
8.[Zhao, Xiao-Ge
9.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Yang, Xia,Zhao, Xiao-Ge,Li, Chao-Qun,et al. Distinct Regulatory Changes Underlying Differential Expression of TEOSINTE BRANCHED1-CYCLOIDEA-PROLIFERATING CELL FACTOR Genes Associated with Petal Variations in Zygomorphic Flowers of Petrocosmea spp. of the Family Gesneriaceae[J]. PLANT PHYSIOLOGY,2015,169(3):2138-2151.
APA Yang, Xia.,Zhao, Xiao-Ge.,Li, Chao-Qun.,Liu, Jing.,Qiu, Zhi-Jing.,...&Wang, Yin-Zheng.(2015).Distinct Regulatory Changes Underlying Differential Expression of TEOSINTE BRANCHED1-CYCLOIDEA-PROLIFERATING CELL FACTOR Genes Associated with Petal Variations in Zygomorphic Flowers of Petrocosmea spp. of the Family Gesneriaceae.PLANT PHYSIOLOGY,169(3),2138-2151.
MLA Yang, Xia,et al."Distinct Regulatory Changes Underlying Differential Expression of TEOSINTE BRANCHED1-CYCLOIDEA-PROLIFERATING CELL FACTOR Genes Associated with Petal Variations in Zygomorphic Flowers of Petrocosmea spp. of the Family Gesneriaceae".PLANT PHYSIOLOGY 169.3(2015):2138-2151.
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