| 外源脯氨酸对盐胁迫下大豆离体胚再生植株生理特征及线粒体结构的影响 |
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| 引用本文： | 贺岩,李志岗,陈云昭,王玉国.外源脯氨酸对盐胁迫下大豆离体胚再生植株生理特征及线粒体结构的影响[J].大豆科学,2000,19(4):314-319. |
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| 作者姓名： | 贺岩 李志岗 陈云昭 王玉国 |
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| 作者单位： | 山西农业大学农学院太谷030801 |
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| 摘 要： | 以“晋豆八号”作材料，利用组织增减方法研究盐胁迫下外源脯氨酸对大豆离体胚再生植株的膜脂过氧化水平、保护酶系统、可溶性蛋白质及线粒体超微结构的影响。结果表明：在外源脯氨酸的作用下，大豆再生植株体内ＭＤＡ含量减少，膜相对透性降低，ＳＯＤ、ＰＯＤ两种酶活性明显提高，可溶性蛋白质含量增加；电镜观测显示，外源脯氨酸可以有效缓解盐胁迫对大豆离体胚再生植株线粒体结构的损伤。
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| 关 键 词： | 外源脯氨酸 大豆 膜脂过氧化 线粒体 盐胁迫 |
EFFECTS OF EXOGENOUS PROLINE ON THE PHYSIOLOGICAL PROPERTIESAND THE MITOCHONDRIA ULTRASTRUCTURE IN SOYBEAN REGENERATED PLANTLETS FROM EMBRYOS IN VITRO UNDER NaCI STRESS |
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| He Yan,Li Zhigang,Chen Yunzhao,Wang Yuguo.EFFECTS OF EXOGENOUS PROLINE ON THE PHYSIOLOGICAL PROPERTIESAND THE MITOCHONDRIA ULTRASTRUCTURE IN SOYBEAN REGENERATED PLANTLETS FROM EMBRYOS IN VITRO UNDER NaCI STRESS[J].Soybean Science,2000,19(4):314-319. |
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| Authors: | He Yan Li Zhigang Chen Yunzhao Wang Yuguo |
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| Abstract: | The salt resistance effect of exogenous proline in soybean regenerated plantlets from embryos in vitro were studied by means of tissue culture. The results showed that exogenous proline could reduce the malondialdehyde (MDA) content, product of lipid peroxidation, and the relative permeability of plasma membrane in the soybean plantlets under NaCI stress. The activities of POD and SOD increased, the soluble protein content also was promoted. Exogenous proline alleviated the injury of the mitochondria ultrastructure of the soybean regenerated plantlets. |
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| Keywords: | Exogenous proline Soybean Mitochondria Lipid peroxidation |
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