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题名: Proteomic and Epigenetic Analyses of Lotus (Nelumbo nucifera) Petals Between Red and White cultivars
作者: Deng, Jiao1, 2; Fu, Ziyang1, 2; Chen, Sha3; Damaris, Rebecca Njeri1, 2; Wang, Kun1; Li, Tingting4; Yang, Pingfang1
关键词: Anthocyanin ; Comparative proteomics ; DNA methylation ; Lotus petals
刊名: PLANT AND CELL PHYSIOLOGY
发表日期: 2015-08-01
DOI: 10.1093/pcp/pcv077
卷: 56, 期:8, 页:1546-1555
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Plant Sciences ; Cell Biology
研究领域[WOS]: Plant Sciences ; Cell Biology
英文摘要: Lotus is a vital aquatic ornamental plant with different flower colors. To explore the flower coloration mechanism in lotus, the constituents and contents of pigments in two lotus cultivars with red and white flowers were analyzed. Although flavones and flavonols were detected in both cultivars, anthocyanins could only be detected in the red cultivar. A comparative proteomics analysis on the flower petals between these two cultivars was conducted. A total of 88 differentially expressed proteins were identified with 36 more abundant and 52 less abundant in the red than in the white cultivar. Among them, four enzymes involved in the anthocyanin pathway were identified, i.e. flavanone 3-hydroxylase, anthocyanidin synthase, anthocyanidin 3-O-glucosyltransferase and glutathione S-transferase. Analysis of the expression patterns of anthocyanin biosynthetic genes indicated that the anthocyanindin synthase (ANS) gene might be the critical gene determining anthocyanin biosynthesis and accumulation in lotus flower. Further analysis showed that different methylation intensities on the promoter sequence of the ANS gene might result in the different flower coloration in the red and white cultivar. This study provides new insights into the mechanism of flower coloration in lotus, and may be helpful in its breeding and germplasm enhancement.
关键词[WOS]: REGULATES ANTHOCYANIN BIOSYNTHESIS ; TRANSCRIPTION FACTOR ; ARABIDOPSIS-THALIANA ; SSR MARKERS ; GENES ; PROTEIN ; PIGMENTATION ; TRANSPORT ; EVOLUTION ; PATHWAYS
语种: 英语
WOS记录号: WOS:000359649400008
ISSN号: 0032-0781
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/25886
Appears in Collections:分析测试中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Wuhan Bot Garden, Key Lab Plant Germplasm Enhancement & Specialty A, Wuhan 430074, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.China Acad Chinese Med Sci, Inst Chinese Mat Med, Beijing 100700, Peoples R China
4.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
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