Regulation of Growth and Flavonoid Formation of Tea Plants (Camellia sinensis) by Blue and Green Light

文献类型： 外文期刊

第一作者： Zheng, Chao

作者： Zheng, Chao;Ma, Jian-Qiang;Ma, Chun-Lei;Shen, Si-Yan;Liu, Yu-Fei;Chen, Liang

作者机构：

关键词： Camellia sinensis; light quality; abiotic and biotic stress; widely targeted metabolomics; weighted gene coexpression network

期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.279； 五年影响因子：5.269 ）

ISSN： 0021-8561

年卷期： 2019 年 67 卷 8 期

页码：

收录情况： SCI

摘要： The effects of blue (BL) and green light (GL) treatment during the dark period were examined in Camellia sinensis as a first step to understanding the spectral effects of artificial BL and GL on plant secondary metabolism and light signaling interactions. BL could induce the expression of CRY2/3, SPAs, HYS, and R2R3-MYBs to promote the accumulation of anthocyanins and catechins in tea plants. GL, on the other hand, could stimulate the accumulation of several functional substances (e.g., procyanidin B2/B3 and L-ascorbate) and temper these BL responses via down-regulation of CRY2/3 and PHOT2. Furthermore, the molecular events that triggered by BL and GL signals were partly overlapped with abiotic/biotic stress responses. We indicate the possibility of a targeted use of BL and GL to regulate the amount of functional metabolites to enhance tea quality and taste, and to potentially trigger defense mechanisms of tea plants.

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