Impact of Hormone on Growth and GA3 Regulation of Anthocyanin Biosynthesis in Suspension-Culture Cells of Cyclocarya paliurus
文献类型： 外文期刊
第一作者： Pan, Chuanqing
作者： Pan, Chuanqing;Liu, Yuan;Chen, Jiguang;Yin, Zhongping;Tang, Daobang
作者机构：
关键词： anthocyanin; Cyclocarya paliurus; gibberellin A(3); multi-omics; plant cell culture
期刊名称：BIOTECHNOLOGY AND BIOENGINEERING （ 影响因子：3.6； 五年影响因子：3.8 ）
ISSN： 0006-3592
年卷期： 2025 年 122 卷 4 期
页码：
收录情况： SCI
摘要： Hormones are effective in regulating plant metabolism and, therefore, are often used in plant cell culture to increase the yield of target products. This study investigated the effects of hormones on the growth and anthocyanin biosynthesis of suspension-cultured red Cyclocarya paliurus cells. Additionally, the mechanism by which gibberellin induces anthocyanin biosynthesis was explored through multi-omics integrated analysis and the assay of the dynamic changes in signaling molecule concentration. The results showed that the total anthocyanin content and yield of suspension-cultured cells, when induced by 1.0 mg L--(1) Gibberellin A(3) (GA(3)), experienced increases of 1.92- and 1.83-fold, respectively. The application of exogenous GA(3) activated the synthesis and transduction of four signaling molecules, that is, nitric oxide (NO), hydrogen peroxide (H2O2), salicylic acid (SA), and jasmonic acid (JA), in the cells and altered the expression patterns of transcription factors. The altered expression of transcription factors upregulated the expression of anthocyanin biosynthetic genes such as anthocyanin-3-O-glucosyl transferase and leucoanthocyanidin dioxygenase, while downregulated the expression of anthocyanin reductase and flavonoid 3 ',5 ',-hydroxylase, which activated the anthocyanin biosynthesis pathway, ultimately leading to a significant increase in anthocyanin biosynthesis. This research work establishes a foundation for further research on the role of hormones in regulating anthocyanin biosynthesis in suspension-cultured plant cells.
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