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首页> 外文会议>The 7th International Symposium on Plant-Soil Interactions at Low pH（第七届低pH条件下植物-土壤交互作用国际研讨会） >Study on Mechanisms of SNP Ameliorating Aluminum Toxicity in Rye and Wheat
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Study on Mechanisms of SNP Ameliorating Aluminum Toxicity in Rye and Wheat

机译：SNP改善黑麦和小麦铝毒的机理研究。

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摘要

To elucidate the effects of exogenous NO on Al stress, sodium nitroprusside (SNP) on oxidative response, respiration function in mitochondria, and Al adsorption of cell walls in root apex of rye and wheat were examined. The results showed that SNP could ameliorate inhibiting effects of Al on rye and wheat root growth. SNP decreased Al-induced O2-, increased · OH and H2O2 content and enhanced the activities of some mitochondrial binding enzymes such as H+ -ATPase, H+ -PPase, Ca2+ -ATPase in root apex significantly, decreased significantly Al adsorption content of wheat and rye compared with Al stress. It suggested that NO ameliorates Al toxicity by decreasing Al adsorption and ROS level, keeping mitochondrial function.
机译：为了阐明外源NO对铝胁迫的影响，研究了硝普钠（SNP）对黑麦和小麦根尖中氧化反应，线粒体呼吸功能以及铝壁细胞壁吸附的影响。结果表明，单核苷酸多态性可以改善铝对黑麦和小麦根系生长的抑制作用。 SNP显着降低了铝诱导的O2-，提高了OH和H2O2的含量，并增强了根尖中某些线粒体结合酶的活性，例如H + -ATPase，H + -PPase，Ca2 + -ATPase，显着降低了小麦和黑麦的Al吸附量。与铝应力相比。这表明NO可以通过降低Al的吸附和ROS水平，保持线粒体功能来改善Al的毒性。

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