{"title":"激素对柳花莲悬浮培养细胞生长及花青素合成的影响","authors":"Chuanqing Pan, Yuan Liu, Daobang Tang, Jiguang Chen, Zhongping Yin","doi":"10.1002/bit.28913","DOIUrl":null,"url":null,"abstract":"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 <jats:italic>Cyclocarya paliurus</jats:italic> 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<jats:sub>3</jats:sub> (GA<jats:sub>3</jats:sub>), experienced increases of 1.92‐ and 1.83‐fold, respectively. The application of exogenous GA<jats:sub>3</jats:sub> activated the synthesis and transduction of four signaling molecules, that is, nitric oxide (NO), hydrogen peroxide (H<jats:sub>2</jats:sub>O<jats:sub>2</jats:sub>), 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 <jats:italic>anthocyanin‐3‐O‐glucosyl transferase</jats:italic> and <jats:italic>leucoanthocyanidin dioxygenase</jats:italic>, while downregulated the expression of <jats:italic>anthocyanin reductase</jats:italic> and <jats:italic>flavonoid 3′,5′,‐hydroxylase</jats:italic>, 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.","PeriodicalId":9168,"journal":{"name":"Biotechnology and Bioengineering","volume":"78 1","pages":""},"PeriodicalIF":3.5000,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Impact of Hormone on Growth and GA3 Regulation of Anthocyanin Biosynthesis in Suspension‐Culture Cells of Cyclocarya paliurus\",\"authors\":\"Chuanqing Pan, Yuan Liu, Daobang Tang, Jiguang Chen, Zhongping Yin\",\"doi\":\"10.1002/bit.28913\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"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 <jats:italic>Cyclocarya paliurus</jats:italic> 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<jats:sub>3</jats:sub> (GA<jats:sub>3</jats:sub>), experienced increases of 1.92‐ and 1.83‐fold, respectively. The application of exogenous GA<jats:sub>3</jats:sub> activated the synthesis and transduction of four signaling molecules, that is, nitric oxide (NO), hydrogen peroxide (H<jats:sub>2</jats:sub>O<jats:sub>2</jats:sub>), 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 <jats:italic>anthocyanin‐3‐O‐glucosyl transferase</jats:italic> and <jats:italic>leucoanthocyanidin dioxygenase</jats:italic>, while downregulated the expression of <jats:italic>anthocyanin reductase</jats:italic> and <jats:italic>flavonoid 3′,5′,‐hydroxylase</jats:italic>, which activated the anthocyanin biosynthesis pathway, ultimately leading to a significant increase in anthocyanin biosynthesis. 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引用次数: 0
摘要
激素在调节植物代谢方面是有效的,因此在植物细胞培养中经常使用激素来提高目标产物的产量。本研究研究了激素对悬浮培养的红柳花莲细胞生长和花青素合成的影响。此外,通过多组学综合分析和信号分子浓度动态变化分析,探讨了赤霉素诱导花青素生物合成的机制。结果表明,用1.0 mg L -⁻¹赤霉素A3 (giberellin A3, GA3)诱导后,悬浮培养细胞的总花青素含量和产量分别提高1.92倍和1.83倍。外源GA3的应用激活了细胞内一氧化氮(NO)、过氧化氢(H2O2)、水杨酸(SA)和茉莉酸(JA)四种信号分子的合成和转导,并改变了转录因子的表达模式。转录因子表达的改变上调了花青素- 3‐O‐葡萄糖基转移酶和浅色花青素双加氧酶等花青素生物合成基因的表达,下调了花青素还原酶和类黄酮3′,5′,‐羟化酶的表达,激活了花青素生物合成途径,最终导致花青素生物合成显著增加。本研究为进一步研究激素对悬浮培养植物细胞花青素合成的调控作用奠定了基础。
Impact of Hormone on Growth and GA3 Regulation of Anthocyanin Biosynthesis in Suspension‐Culture Cells of Cyclocarya paliurus
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 A3 (GA3), experienced increases of 1.92‐ and 1.83‐fold, respectively. The application of exogenous GA3 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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