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几种昆虫体内保护酶系统活力的研究 预览 被引量:226

A STUDY ON THE ACTIVITIES OF ENDOGENOUS ENZYMESOF PROTECTIVE SYSTEM IN SOME INSECTS
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摘要 菜粉蝶体内存在着超氧物歧化酶,过氧化氢酶,过氧化物酶等保护酶系统,SOD活力水平与虫龄关系密切。溴氰菊酯处理菜蝶后10分钟,SOD,CAT及POD的活力水平均高于正常虫体,溴氰菊处理褐边绿刺蛾和褐刺蛾后,中毒的虫体内SOD及CAT活力随着中毒程度加重而逐渐上升,接近死亡时又包剧下降;未中毒的虫体内SOD及CAT活力水平比对照活为高,表明与昆虫耐药性有关。在褐边缘刺蛾和褐刺蛾体内未测量POD。 he endogenous enzymes of protective system including superoxide dismutase(SOD), peroxidase (POD) and catalase (CAT) were found to exist in the larvae ofPieris rapae. The level of SOD activity of the larva was closely correlated with theinstars. After applying deltamethrin to the larvae, the levels of SOD, CAT and PODactivity were found to be higher than that of the control within one hour. Whendeltamethrin was applied to the slug caterpillars Parasa consocia and Thosea pasto-rnata, the SOD and CAT activities were ellhanced gradually with the degree of poiso-ning, but declined rapidly near death. However, the SOD and CAT activities in theslug caterpillars' survived from the deltamethrin treatment were higher than that ofthe control, showing that SOD and CAT activities were correlated with tolerance toinsecticide.
作者 李周直 沈惠娟 LI ZHOU-ZHI; SHEN HUI-JUAN; JIANG QIAO-Gan; JI BAO-ZHONG(Naming Forestry Univtrtity, Naming 210037)
机构地区 南京林业大学
出处 《昆虫学报》 CAS CSCD 北大核心 1994年第4期 399-403,共5页 Acta Entomologica Sinica
基金 国家自然科学基金
关键词 菜粉蝶 刺蛾 超氧化物歧化酶 昆虫纲 Pieris rapae-slug caterpillar-superoxide dismutase──cata-Isse──perox idase
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