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两个桂花品种花色色素相关基因的差异表达(PDF/HTML)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2015年03期
Page:
183-186
Column:
研究简报
publishdate:
2015-05-30

Article Info:/Info

Title:
Differential expression of flower color related genes of Osmanthus fragrans Lour. ‘Chenghongdangui’ and ‘Zaoyingui’
Article ID:
1000-2006(2015)03-0183-04
Author(s):
MU Hongna1 23SUN Taoze3YANG Xiulian12 WANG Lianggui12*
1. College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China;
2. Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China;
3.College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
Keywords:
Osmanthus fragrans Lour. anthocyanin carotenoids differential expression of flower color genes
Classification number :
S718.4
DOI:
10.3969/j.issn.1000-2006.2015.03.033
Document Code:
A
Abstract:
The analysis of anthocyanin, carotenoid content and flower color gene expression of Osmanthus fragrans transcriptome between ‘Chenghongdangui’ and ‘Zaoyingui’ were carried out. Some genes such as phenylalanine ammonia lyase, 4-CoA ligasecoumaric acid, acetyl CoA synthase, chalcone synthase, R2R3-MYB1, cytochrome P450, lycopene epsilon cyclase did present up regulation in ‘Chenghongdangui’ petals not ‘Zaoyinggui’, which was consistent with the anthocyanin and carotenoid content in ‘Chenghongdangui’ and ‘Zaoyinggui’. In contrast, the expression profile of other genes was up regulation in ‘Zaoyingui. In addition, polyphenol oxidase(PPO), cytochrome P450 gene and R2R3-MYB that probably regulated pigments accumulation of O.fragrans were analyzed in this article. Meanwhile the novel discovery that the flavonoids metabolic pathway direct to dihydroquercetin at metabolism web junction, that is naringenin, and then synthesized cyanidin with catalyzing of DFR and ANS was found out in this study.

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Last Update: 2015-05-30