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Open AccessArticle

Identification of the Genes Involved in Anthocyanin Biosynthesis and Accumulation in Taxus chinensis

1
State Key Laboratory of Tree Genetics and Breeding &Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, The Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
2
CSIRO Agriculture and Food, PO Box 1600, Canberra, ACT 2601, Australia
*
Author to whom correspondence should be addressed.
Genes 2019, 10(12), 982; https://doi.org/10.3390/genes10120982
Received: 7 November 2019 / Revised: 22 November 2019 / Accepted: 26 November 2019 / Published: 28 November 2019
Taxus chinensis is a precious woody species with significant economic value. Anthocyanin as flavonoid derivatives plays a crucial role in plant biology and human health. However, the genes involved in anthocyanin biosynthesis have not been identified in T. chinensis. In this study, twenty-five genes involved in anthocyanin biosynthesis were identified, including chalcone synthase, chalcone isomerase, flavanone 3-hydroxylase, anthocyanidin synthase, flavonoid 3’-hydroxylase, flavonoid 3’,5’-hydroxylase, dihydroflavonol 4-reductase, anthocyanidin reductase, and leucoanthocyanidin reductase. The conserved domains and phylogenetic relationships of these genes were characterized. The expression levels of these genes in different tissues and different ages of xylem were investigated. Additionally, the anthocyanin accumulation in xylem of different ages of T. chinensis was measured. The results showed the anthocyanin accumulation was correlated with the expression levels of dihydroflavonol 4-reductase, anthocyanidin synthase, flavonoid 3’-hydroxylase, and flavonoid 3’,5’-hydroxylase. Our results provide a basis for studying the regulation of the biosynthetic pathway for anthocyanins and wood color formation in T. chinensis.
Keywords: anthocyanins; Taxus chinensis; gymnosperm anthocyanins; Taxus chinensis; gymnosperm
MDPI and ACS Style

Zhang, L.; Sun, X.; Wilson, I.W.; Shao, F.; Qiu, D. Identification of the Genes Involved in Anthocyanin Biosynthesis and Accumulation in Taxus chinensis. Genes 2019, 10, 982.

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