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A Novel R2R3-MYB Transcription Factor Contributes to Petal Blotch Formation by Regulating Organ-Specific Expression of PsCHS in Tree Peony (Paeonia suffruticosa)
Gu, Zhaoyu1; Zhu, Jin1,2; Hao, Qing3; Yuan, Yao-Wu4; Duan, Yuan-Wen5; Men, Siqi1,2; Wang, Qianyu1,2; Hou, Qinzheng6; Liu, Zheng-An1; Shu, Qingyan1; Wang, Liangsheng1,2
Corresponding AuthorShu, Qingyan(shuqy@ibcas.ac.cn) ; Wang, Liangsheng(wanglsh@ibcas.ac.cn)
2019-03-01
Source PublicationPLANT AND CELL PHYSIOLOGY
ISSN0032-0781
Volume60Issue:3Pages:599-611
AbstractFlower color patterns play critical roles in plant-pollinator interactions and represent one of the most common adaptations during angiosperm evolution. However, the molecular mechanisms underlying flower color pattern formation are less understood in non-model organisms. The aim of this study was to identify genes involved in the formation of petal blotches in tree peony (Paeonia suffruticosa) through transcriptome profiling and functional experiments. We identified an R2R3-MYB gene, PsMYB12, representing a distinct R2R3-MYB subgroup, with a spatiotemporal expression pattern tightly associated with petal blotch development. We further demonstrated that PsMYB12 interacts with a basic helix-loop-helix (bHLH) and a WD40 protein in a regulatory complex that directly activates PsCHS expression, which is also specific to the petal blotches. Together, these findings advance our understanding of the molecular mechanisms of pigment pattern formation beyond model plants. They also benefit molecular breeding of tree peony cultivars with novel color patterns and promote germplasm innovation.
KeywordAnthocyanin patterning Chalcone synthase Petal blotch PsMYB12 Transcriptional regulation Tree peony
DOI10.1093/pcp/pcy232
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences ; Cell Biology
WOS SubjectPlant Sciences ; Cell Biology
WOS IDWOS:000467887100011
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/67507
Collection中国西南野生生物种质资源库
Corresponding AuthorShu, Qingyan; Wang, Liangsheng
Affiliation1.Chinese Acad Sci, Inst Bot, Beijing Bot Garden, Key Lab Plant Resources, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Qingdao Agr Univ, Coll Landscape Architecture & Forestry, Qingdao 266109, Shandong, Peoples R China
4.Univ Connecticut, Dept Ecol & Evolutionary Biol, Storrs, CT 06269 USA
5.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China
6.Northwest Normal Univ, Coll Life Sci, Lanzhou 730070, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Gu, Zhaoyu,Zhu, Jin,Hao, Qing,et al. A Novel R2R3-MYB Transcription Factor Contributes to Petal Blotch Formation by Regulating Organ-Specific Expression of PsCHS in Tree Peony (Paeonia suffruticosa)[J]. PLANT AND CELL PHYSIOLOGY,2019,60(3):599-611.
APA Gu, Zhaoyu.,Zhu, Jin.,Hao, Qing.,Yuan, Yao-Wu.,Duan, Yuan-Wen.,...&Wang, Liangsheng.(2019).A Novel R2R3-MYB Transcription Factor Contributes to Petal Blotch Formation by Regulating Organ-Specific Expression of PsCHS in Tree Peony (Paeonia suffruticosa).PLANT AND CELL PHYSIOLOGY,60(3),599-611.
MLA Gu, Zhaoyu,et al."A Novel R2R3-MYB Transcription Factor Contributes to Petal Blotch Formation by Regulating Organ-Specific Expression of PsCHS in Tree Peony (Paeonia suffruticosa)".PLANT AND CELL PHYSIOLOGY 60.3(2019):599-611.
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