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汞对大豆种子萌发中膜脂过氧化及体内保护系统的影响
THE EFFECT OF MERCURY ON MEMBRANE LIPID PEROXIDATION AND ENDOGENOUS PROTECTIVE SYSTEMS OF SOYBEAN DURING GERMINATION
【摘要】 HgCl2对大豆种子萌发过程中幼苗膜脂过氧化水平、细胞膜透性、保护酶(CAT、SOD、POD)活性、可溶性糖和可溶性蛋白质含量的影响进行了研究。结果表明,随着HgCl2浓度的升高,细胞膜脂质过氧化水平升高,细胞膜透性增大,CAT活性降低,SOD、POD活性升高,组织可溶性糖和可溶性蛋白质含量升高。
【Abstract】 The effect of HgCl2 on membranelipid peroxidation,permeability of plasma membrane,activities of protective enzymes,superoxide dismutase(SOD), catalase(CAT)and peroxidase(POD),contents of soluble sugars and sbluble protein of young soybean seedlings during germination was studied.The results showed that with the the increase of concentration of pretreatment HgCl2,malondialdehyde(MDA)content,permeability of plasma membrane,activities of SOD and POD,contents of soluble sugars and soluble protein increased,while activities of CAT decreased.
【关键词】 大豆;
汞;
膜脂过氧化;
膜透性;
保护酶;
可溶性糖;
可溶性蛋白质;
【Key words】 Mercury; Soybean; Membrane -lipid peroxidation; Permeability of plasma membrane; Protective enzymes; Soluble sugars; Soluble protein;
【Key words】 Mercury; Soybean; Membrane -lipid peroxidation; Permeability of plasma membrane; Protective enzymes; Soluble sugars; Soluble protein;
- 【文献出处】 中国油料 , 编辑部邮箱 ,1995年03期
- 【分类号】S565.103.2
- 【被引频次】31
- 【下载频次】101