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The Accumulation of Lutein and beta-Carotene and Transcript Profiling of Genes Related to Carotenoids Biosynthesis in Yellow Celery

文献类型： 外文期刊

作者： Ding, Xu 1 ; Jia, Li-Li 1 ; Xing, Guo-Ming 3 ; Tao, Jian-Ping 1 ; Sun, Sheng 3 ; Tan, Guo-Fei 4 ; Li, Sen 3 ; Liu, Jie-Xi 1 ;

作者机构： 1.Nanjing Agr Univ, State Key Lab Crop Genet & Germplasm Enhancement, Minist Agr, 1 Weigang, Nanjing 210095, Peoples R China

2.Nanjing Agr Univ, Rural Affairs Key Lab Biol & Germplasm Enhancemen, Coll Hort, 1 Weigang, Nanjing 210095, Peoples R China

3.Shanxi Agr Univ, Collaborat Innovat Ctr Improving Qual & Increase, Taigu, Peoples R China

4.Guizhou Acad Agr Sci, Inst Hort, Guiyang, Peoples R China

关键词： Lutein; β -Carotene; Gene expression; Leaf blades; Petioles; Yellow celery

期刊名称：MOLECULAR BIOTECHNOLOGY （ 影响因子：2.022； 五年影响因子：1.751 ）

ISSN： 1073-6085

年卷期：

页码：

收录情况： SCI

摘要： Carotenoids are the general term of natural pigments. The formation of plant color is probably related to the components of carotenoids. As the yellow variety of celery, it is rich in the composition and content of carotenoids. However, the transcript profiling and roles of the genes related to carotenoids biosynthesis in yellow celery remain unclear. In this study, three yellow celery cultivars at different growth stages were used to analyze the content and composition of carotenoids and transcriptional changes of carotenoid biosynthesis-related genes. The lutein and beta-carotene were detected in yellow celery cultivar, while alpha-carotene and lycopene were not detected. The contents of lutein and beta-carotene were higher in leaf blades than in petioles. During the growth and development, the contents of lutein and beta-carotene gradually decreased in celery. Compared with the other two cultivars, the contents of lutein and beta-carotene were the highest in 'Huangtaiji' of 65 days after sowing (DAS) and 85 DAS and 'Liuhehuangxinqin' of 105 DAS, respectively. The expression levels of AgLCYB and AgPSY2 genes were significantly correlated with lutein and beta-carotene contents. This work provided a reference for the further study on carotenoid metabolisms in yellow celery and also made sense on the way of cultivating yellow celery with high carotenoids content.

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