几种昆虫体内保护酶系统活力的研究

›› 1994, Vol. 37 ›› Issue (4): 399-403.

几种昆虫体内保护酶系统活力的研究

李周直沈惠娟蒋巧根嵇保中

出版日期:1994-11-20 发布日期:1994-11-20

A STUDY ON THE ACTIVITIES OF ENDOGENOUS ENZYMES OF PROTECTIVE SYSTEM IN SOME INSECTS

LI ZHOU-ZHI SHEN HUI-JUAN JIANG QIAO-GEN JI BAO-ZHONG

Online:1994-11-20 Published:1994-11-20

摘要/Abstract

摘要： 菜粉蝶(Pieris rapae)体内存在着超氧物歧化酶(SOD)、过氧化氢酶(CAT)、过氧化物酶POD)等保护酶系统，SOD活力水平与虫龄关系密切。溴氰菊酯处理菜粉蝶后10分钟，SOD、CAT及POD的活力水平均高于正常虫体。溴氰菊酯处理褐边绿刺蛾 (Parasa consocia) 和褐刺蛾 (Thoseapastornata)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，接近死亡时又急剧下降；未中毒的活虫体内SOD及CAT活力水平比对照活虫为高，表明与昆虫耐药性有关。在褐边绿刺蛾和褐刺蛾体内未测得POD。

关键词: 菜粉蝶, 刺蛾, 超氧物歧化酶, 过氧化氢酶, 过氧化物酶

Abstract: The endogenous enzymes of protective system including superoxide dismutase(SOD), peroxidase (POD) and catalase (CAT) were found to exist in the larvae of Pieris rapae. The level of SOD activity of the larva was closely correlated with the instars. 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. When deltamethrin was applied to the slug caterpillars Parasa consocia and Thosea pastornata, the SOD and CAT activities were enhanced gradually with the degree of poisoning, but declined rapidly near death. However, the SOD and CAT activities in the slug caterpillars survived from the deltamethrin treatment were higher than that of the control, showing that SOD and CAT activities were correlated with tolerance to insecticide.

Key words: Pieris rapae——slug caterpillar——superoxide dismutase——cata-lase——peroxidase

李周直沈惠娟蒋巧根嵇保中. 几种昆虫体内保护酶系统活力的研究[J]. , 1994, 37(4): 399-403.

LI ZHOU-ZHI SHEN HUI-JUAN JIANG QIAO-GEN JI BAO-ZHONG. A STUDY ON THE ACTIVITIES OF ENDOGENOUS ENZYMES OF PROTECTIVE SYSTEM IN SOME INSECTS[J]. , 1994, 37(4): 399-403.

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