| 干旱胁迫下平邑甜茶各器官中山梨醇的累积 |
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| 引用本文： | 孟艳玲,韩振海,闫建河,孙春玉,许雪峰. 干旱胁迫下平邑甜茶各器官中山梨醇的累积[J]. 植物生理学通讯, 2007, 43(6): 1065-1071 |
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| 作者姓名： | 孟艳玲 韩振海 闫建河 孙春玉 许雪峰 |
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| 作者单位： | 中国农业大学农学与生物技术学院，中国农业大学农学与生物技术学院，中国农业大学农学与生物技术学院，中国农业大学农学与生物技术学院，中国农业大学农学与生物技术学院 北京 100094，北京 100094，北京 100094，北京 100094，北京 100094 |
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| 摘 要： | 检测聚乙二醇6000(PEG6000)模拟干旱下的水培苗、自然干旱下的盆栽苗和离体叶片自然失水后平邑甜茶不同器官中山梨醇含量和相关代谢酶活性的结果表明,轻度和中度干旱胁迫下的平邑甜茶叶中山梨醇含量、6-磷酸山梨醇脱氢酶(S6PDH)和6-磷酸山梨醇磷酸酶(SorPP)活性以及韧皮部中山梨醇含量显著增加;根和韧皮部中山梨醇含量平行上升,山梨醇脱氢酶(SDH)活性随之下降。
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| 关 键 词： | 干旱胁迫 山梨醇累积 代谢酶活性 平邑甜茶 |
| 收稿时间： | 2007-09-06 |
| 修稿时间： | 2007-11-02 |
Sorbitol Accumulation in Different Organs of Malus hupehensis (Pamp) Rehd under Drought Stress |
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| MENG Yah-Ling, HAN Zhen-Hai, YAN Jian-He, SUN Chun-Yu, XU Xue-Feng. Sorbitol Accumulation in Different Organs of Malus hupehensis (Pamp) Rehd under Drought Stress[J]. Plant Physiology Communications, 2007, 43(6): 1065-1071 |
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| Authors: | MENG Yah-Ling HAN Zhen-Hai YAN Jian-He SUN Chun-Yu XU Xue-Feng |
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| Affiliation: | College of Agriculture and Biotechnology, China Agricultural University, Beijing 100094, China |
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| Abstract: | The sorbitol content and its relative metabolic enzymes activities in different organs of Malus hupehensis were determined by three different drought stress treatments,polyethylene glycol inducing water deficit,potted seedlings without supplying water,and the detached leaves with water loss at room temperature.On the condi- tions of mild and moderate stress,the sorbitol content in leaves and phloem,sorbitol-6-phosphate dehydroge- nase (S6PDH) and sorbitol-6-phosphate phosphatase (SorPP) activities in leaves increased significantly.The sorbitol content in roots increased with that in phloem,while sorbitol dehydrogenase (SDH) activity in roots decreased. |
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| Keywords: | drought stress sorbitol accumulation metabolic enzyme activity Malus hupehensis |
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