Published
2025-07-15
Section
Articles
How to Cite
生长素调控植物淀粉代谢的机制研究
毛 雨晨
湖南农业大学
DOI: https://doi.org/10.59429/hjfz.v7i5.10241
Keywords: 生长素；淀粉代谢；YUC2 基因；ARF1 转录因子；QQS 基因
Abstract
植物生长发育受多激素精细调控，其中生长素是关键因子，在植物生长、发育及环境响应中起重要作用。 淀粉代谢是植物能量储存与利用的核心环节，探究其调控机制对理解植物生长发育网络意义重大。本研究以拟南芥 为模式生物，综合运用前沿技术，解析生长素调控淀粉代谢的分子机制。结果表明，YUC2 基因通过调控淀粉代谢 关键基因 QQS 的表达，显著影响淀粉代谢；同时，生长素信号转导途径中的 ARF1 转录因子能与 QQS 启动子上的 生长素响应元件结合，调控 QQS 表达，进而影响淀粉代谢。本研究为植物生长发育与代谢调控网络提供了理论依据， 并为作物遗传改良及农业生产提供了新思路与新靶点。
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