Red Light Regulates the Metabolite Biosynthesis in the Leaves of "Huangjinya" Through Amino Acid and Phenylpropanoid Metabolisms

文献类型： 外文期刊

第一作者： Ma, Qingping

作者： Ma, Qingping;Song, Laichao;Niu, Zhanhai;Li, Jingshan;Zhao, Hongxia;Guo, Shangjing;Wang, Yu;Sun, Haiwei;Ren, Zhihong;Ding, Zhaotang

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关键词： Camellia sinensis cv; Huangjinya; transcriptome; red light; metabolome; glutathione S-transferase genes

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.754； 五年影响因子：6.612 ）

ISSN： 1664-462X

年卷期： 2022 年 12 卷

页码：

收录情况： SCI

摘要： "Huangjinya" is a light-sensitive albino variety and is widely cultivated in China. It has been proved that red light could promote the vegetable growth of plants. However, the mechanism of "Huangjinya" in response to a red light is unclear. This study used high-throughput sequencing technology to analyze the transcriptome of tender shoots of "Huangjinya" under the white and red light supplement conditions. At the same time, liquid chromatography tandem mass spectrometry (LC-MS) was used to analyze metabolite changes under different light conditions. Transcriptome analysis revealed that a total of 174 differentially expressed genes (DEGs) were identified after the red light supplement. Kyoto encyclopedia of genes and genomes (KEGG) classification indicated that amino acid metabolism enriched the most DEGs. In addition, two phenylpropanoid metabolism-related genes and five glutathione S-transferase genes (CsGSTs) were found to be expressed differently. Metabolome analysis revealed that 193 differential metabolites were obtained. Being the same as transcriptome analysis, most differential metabolites were enriched in amino acids, sweet and umami tasting amino acids were increased, and bitter-tasting amino acids were decreased after the red light supplement. In summary, red light supplementary treatment may be propitious to the quality of "Huangjinya" due to its regulatory effect on amino acid metabolism. Also, CsGSTs involved phenylpropanoid metabolism contributed to tea quality changes in "Huangjinya."

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