| NO延缓果蔬成熟衰老与抗病机理研究进展 |
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| 引用本文： | 郭芹,吴斌,王吉德,李雪萍,陈维信.NO延缓果蔬成熟衰老与抗病机理研究进展[J].热带作物学报,2010,31(7):1212-1217. |
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| 作者姓名： | 郭芹 吴斌 王吉德 李雪萍 陈维信 |
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| 作者单位： | 1. 广东省果蔬保鲜重点实验室,华南农业大学园艺学院,广东广州,510642;新疆大学化学化工学院,新疆乌鲁木齐,830046
2. 广东省果蔬保鲜重点实验室,华南农业大学园艺学院,广东广州,510642 |
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| 基金项目： | 国家自然科学基金-广东省联合基金项目，国家科技支撑计划，广东省自然科学基金团队项目，农业部科技项目 |
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| 摘 要： | 一氧化氮是具有生物活性和信号转导作用的易扩散小分子气体,果蔬细胞通过一氧化氮合酶(NOS)、硝酸还原酶或非生化反应途径产生NO。内源NO可通过抑制乙烯的生物合成和调控环化核苷酸在植物组织中的水平来延缓植物组织的成熟和衰老,延长果蔬贮藏货架期;NO还可诱导采后果蔬产生抗病防卫反应,提高果蔬的抗病胁迫能力。着重概述NO在果蔬采后延缓成熟衰老、诱导抗病等方面的作用及其机理研究进展。
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| 关 键 词： | 一氧化氮 延缓衰老 抗病性 |
Advances in the Mechanism of Physiological Effect of Nitric oxide on Delaying Ripening, Senescence and Disease-resistance of Fruits and Vegetables |
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| Guo Qin,Wu Bin,Wang Jide,Li Xueping and Chen Weixin.Advances in the Mechanism of Physiological Effect of Nitric oxide on Delaying Ripening, Senescence and Disease-resistance of Fruits and Vegetables[J].Chinese Journal of Tropical Crops,2010,31(7):1212-1217. |
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| Authors: | Guo Qin Wu Bin Wang Jide Li Xueping and Chen Weixin |
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| Institution: | 1 Guangdong Key Laboratory for Postharvest Science and Technology; College of Horticulture, South China Agricultural University 2 College of Chemistry and Chemical Engineering, Xinjiang University;1 Guangdong Key Laboratory for Postharvest Science and Technology; College of Horticulture, South China Agricultural University 2 College of Chemistry and Chemical Engineering, Xinjiang University;College of Chemistry and Chemical Engineering, Xinjiang University;Guangdong Key Laboratory for Postharvest Science and Technology; College of Horticulture, South China Agricultural University;Guangdong Key Laboratory for Postharvest Science and Technology; College of Horticulture, South China Agricultural University |
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| Abstract: | Nitric oxide (NO) is an easily diffusible and bioactive gas, and it plays a role in signal transduction. It has been widely accepted that NO is endogenously produced in fruit and vegetable cells, possibly via NO synthase, nitrate reductases or non-biochemical reactions. Endogenous NO may delay the ripening and senescence of fruits and vegetables by inhibiting ethylene biosynthesis and controlling the level of endogenous cyclic nucleotide, thus extending their storage life. It also can induce the disease resistance reaction, improve stress resistance ability of fruits and vegetables. This paper reviews the mechanism of nitric oxide action involved in senescence delay, disease resistance induction in harvested fruits and vegetables. |
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| Keywords: | Nitric oxide Senescence delay Disease resistance |
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