| 玉米种子萌发初期可溶性糖代谢途径的调控研究 |
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| 引用本文： | 薛梅真,李瑞芳,辛霞,张金梅,何娟娟,陈晓玲,陈军营,卢新雄.玉米种子萌发初期可溶性糖代谢途径的调控研究[J].玉米科学,2018,26(4):91-98. |
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| 作者姓名： | 薛梅真 李瑞芳 辛霞 张金梅 何娟娟 陈晓玲 陈军营 卢新雄 |
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| 作者单位： | 河南农业大学农学院;中国农业科学院作物科学研究所 |
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| 基金项目： | 科技支撑计划项目（2013BAD01B01）、国家自然基金面上项目（31571761） |
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| 摘 要： | 为研究玉米种子萌发初期可溶性糖的变化和能量供应,以玉米品种"大白头"为试验材料,分析吸胀0～24 h种子水分、可溶性糖、糖代谢关键酶活性及其基因表达和ATP含量的动态变化。结果表明,玉米种子可溶性糖主要以蔗糖的形式贮藏于胚中;种子吸胀过程中蔗糖含量降低,麦芽糖、葡萄糖和果糖含量升高,且种子吸胀8 h时蔗糖的转化已被启动。酶活性和基因定量结果表明,种子吸胀8 h时,糖酵解途径和三羧酸循环已被活化,戊糖磷酸途径被活化。种子吸胀前8 h为快速吸水期,传统认为快速吸水阶段属于物理吸水,玉米种子在快速吸水阶段即已启动了蔗糖的转化,糖酵解和三羧酸循环途径被活化。
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| 关 键 词： | 玉米 萌发初期 可溶性糖 酶活性 |
| 收稿时间： | 2017/12/7 0:00:00 |
Research on Soluble Sugar Metabolic Regulation During the Initial Period of Seed Germination in Maize |
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| XUE Mei-zhen,LI Rui-fang,XIN Xi,ZHANG Jin-mei,HE Juan-juan,CHEN Xiao-ling,CHEN Jun-ying and LU Xin-xiong.Research on Soluble Sugar Metabolic Regulation During the Initial Period of Seed Germination in Maize[J].Journal of Maize Sciences,2018,26(4):91-98. |
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| Authors: | XUE Mei-zhen LI Rui-fang XIN Xi ZHANG Jin-mei HE Juan-juan CHEN Xiao-ling CHEN Jun-ying and LU Xin-xiong |
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| Institution: | College of Agronomy, Henan Agriculture University, Zhengzhou 450002;Institute of Crop Sciences, Chinese Academy of Agriculture Sciences, Beijing 100081, China,Institute of Crop Sciences, Chinese Academy of Agriculture Sciences, Beijing 100081, China,Institute of Crop Sciences, Chinese Academy of Agriculture Sciences, Beijing 100081, China,Institute of Crop Sciences, Chinese Academy of Agriculture Sciences, Beijing 100081, China,Institute of Crop Sciences, Chinese Academy of Agriculture Sciences, Beijing 100081, China,Institute of Crop Sciences, Chinese Academy of Agriculture Sciences, Beijing 100081, China,College of Agronomy, Henan Agriculture University, Zhengzhou 450002 and Institute of Crop Sciences, Chinese Academy of Agriculture Sciences, Beijing 100081, China |
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| Abstract: | |
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| Keywords: | Maize Initial germination Soluble sugar Enzyme activity |
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