烤烟上部叶成熟过程中代谢组的差异分析
S572.01; 为明确烤烟上部叶成熟过程中物质转化规律及代谢组的差异,利用GC-MS非靶向代谢组学方法并结合激素及色素等的测定对烟株打顶后20、30、40、50和60 d的上部叶代谢物进行分析.结果表明:上部烟叶成熟过程可分为3个阶段,分别为烟株打顶后20~30 d、40~50 d和60 d.随烟叶成熟进程的推进,叶绿素和类胡萝卜素含量(质量分数)逐渐下降,在打顶后40 d时下降最为明显,游离氨基酸和总氮含量整体呈下降趋势,总植物碱和碳水化合物含量整体呈升高趋势,烟叶中促进生长类激素含量在打顶后40 d显著下降,促进成熟衰老类激素含量在打顶后40 d显著提高,打顶后40 d可能是上部烟叶成熟...
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Published in | 烟草科技 Vol. 56; no. 1; pp. 1 - 10 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
中国烟草总公司郑州烟草研究院,郑州高新技术产业开发区枫杨街2号 450001
2023
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Subjects | |
Online Access | Get full text |
ISSN | 1002-0861 |
DOI | 10.16135/j.issn1002-0861.2022.0692 |
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Abstract | S572.01; 为明确烤烟上部叶成熟过程中物质转化规律及代谢组的差异,利用GC-MS非靶向代谢组学方法并结合激素及色素等的测定对烟株打顶后20、30、40、50和60 d的上部叶代谢物进行分析.结果表明:上部烟叶成熟过程可分为3个阶段,分别为烟株打顶后20~30 d、40~50 d和60 d.随烟叶成熟进程的推进,叶绿素和类胡萝卜素含量(质量分数)逐渐下降,在打顶后40 d时下降最为明显,游离氨基酸和总氮含量整体呈下降趋势,总植物碱和碳水化合物含量整体呈升高趋势,烟叶中促进生长类激素含量在打顶后40 d显著下降,促进成熟衰老类激素含量在打顶后40 d显著提高,打顶后40 d可能是上部烟叶成熟过程中生理功能由盛转衰的关键节点.通过正交偏最小二乘判别分析法(OPLS-DA)筛选出38种差异代谢物,主要是氨基酸类、糖类和脂肪酸类代谢物,其中4-氨基丁酸、果糖、阿洛糖、棕榈酸、亚麻酸、甘油酸、苹果酸、莨菪亭、奎尼酸等可能是上部烟叶成熟过程中较关键的代谢物.差异代谢物显著(p<0.05)富集在糖代谢、氨基酸代谢和脂肪酸代谢等通路中,其中乙醛酸和二羧酸代谢,不饱和脂肪酸的生物合成,TCA循环,丙氨酸、天冬氨酸和谷氨酸代谢等通路在烟叶成熟过程中起重要的调控作用. |
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AbstractList | S572.01; 为明确烤烟上部叶成熟过程中物质转化规律及代谢组的差异,利用GC-MS非靶向代谢组学方法并结合激素及色素等的测定对烟株打顶后20、30、40、50和60 d的上部叶代谢物进行分析.结果表明:上部烟叶成熟过程可分为3个阶段,分别为烟株打顶后20~30 d、40~50 d和60 d.随烟叶成熟进程的推进,叶绿素和类胡萝卜素含量(质量分数)逐渐下降,在打顶后40 d时下降最为明显,游离氨基酸和总氮含量整体呈下降趋势,总植物碱和碳水化合物含量整体呈升高趋势,烟叶中促进生长类激素含量在打顶后40 d显著下降,促进成熟衰老类激素含量在打顶后40 d显著提高,打顶后40 d可能是上部烟叶成熟过程中生理功能由盛转衰的关键节点.通过正交偏最小二乘判别分析法(OPLS-DA)筛选出38种差异代谢物,主要是氨基酸类、糖类和脂肪酸类代谢物,其中4-氨基丁酸、果糖、阿洛糖、棕榈酸、亚麻酸、甘油酸、苹果酸、莨菪亭、奎尼酸等可能是上部烟叶成熟过程中较关键的代谢物.差异代谢物显著(p<0.05)富集在糖代谢、氨基酸代谢和脂肪酸代谢等通路中,其中乙醛酸和二羧酸代谢,不饱和脂肪酸的生物合成,TCA循环,丙氨酸、天冬氨酸和谷氨酸代谢等通路在烟叶成熟过程中起重要的调控作用. |
Author | 郑庆霞 贾中林 周汉平 戴华鑫 张艳玲 梁太波 周会娜 张仕祥 |
AuthorAffiliation | 中国烟草总公司郑州烟草研究院,郑州高新技术产业开发区枫杨街2号 450001 |
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Author_FL | ZHANG Yanling ZHANG Shixiang ZHOU Hanping LIANG Taibo ZHOU Huina DAI Huaxin JIA Zhonglin ZHENG Qingxia |
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Title | 烤烟上部叶成熟过程中代谢组的差异分析 |
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