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林业科学 ›› 2003, Vol. 39 ›› Issue (4): 73-77.doi: 10.11707/j.1001-7488.20030412

• 论文及研究报告 • 上一篇    下一篇

替代寄主被川硬皮肿腿蜂寄生后主要糖类含量及水解酶系活力的变化

谭毅 周祖基 黄琼 杨伟   

  1. 四川农业大学林学园艺学院,雅安625014
  • 收稿日期:2001-09-11 修回日期:1900-01-01 出版日期:2003-07-25 发布日期:2003-07-25

CONTENT OF SUGAR AND ACTIVITY OF α-AMYLASE & TREHALASE CHANGES OF SUBSTITUTE HOST PARASITIZED BY SCLERODERMA SICHUANENSIS XIAO(HYMENOPTERA:BETHYLIDAE)

Tan Yi,Zhou Zuji,Huang Qiong,Yang Wei   

  1. Department of Forestry and Horticulture, Sichuan Agricultural University Ya'an625014
  • Received:2001-09-11 Revised:1900-01-01 Online:2003-07-25 Published:2003-07-25

摘要:

川硬皮肿腿蜂雌成蜂寄生其替代寄主后,糖原、海藻糖、还原糖等机体成分的含量和α-淀粉酶及海藻糖酶的活力发生了显著的变化。寄生后糖原(1~6d)、海藻糖(1~3d)含量显著下降,第10天达最低值分别为0.7190mg·g-1、1.384 4mg·g-1 ,比寄生当天分别降低了98.47%、92.21% ;同时,还原糖(以葡萄糖为主)总量则逐渐上升,第10天达最高值13.3416mg·g-1 ,是寄生当天的14.8倍。寄生后第1~3天,α-淀粉酶、海藻糖酶等水解酶系的活力迅速上升,第3天达最大值,分别为82.5 816 μmol·g-1 min-1 、896.7237μg·g-1 min-1 ,然后逐渐下降,到第10天接近寄生当天的水平。本文还就替代寄主的糖代谢,川硬皮肿腿蜂蜂毒的作用问题进行了讨论

关键词: 川硬皮肿腿蜂, 寄生, 糖类, &alpha, -淀粉酶, 海藻糖酶

Abstract:

The content of glycogen and trehalose, the activity of α amylase and trehalase changed remarkably after the alternative host parasitized by Scleroderma sichuanensis. The content of glycogen (1st-6th day) and trehalose decreased sharply on the 3rd to 6th day and got their minimum 0.719 0 mg·g-1 and 1.384 4mg·g-1 on the 10th day after parasitization, decreased by 98.47% and 92.21% respectively compaired with that of the 1st day. At the same time reducing sugar increased step by step, then got its maximum 13.341 6mg·g-1 on the 10th day, 14.8 times that of the 1st day's. The activity of α amylase and trehalase elevated rapidly on the 1st to 3rd day. They got their maximum 82.581 6μmol maltose·g-1min-1、896.723 7μg glucose·g-1 min-1 on the 3rd day, then descended slowly to the level of the 1st day. Discussions were given to the sugar metabolism of the substitute host and the action of the parasite venom.

Key words: S. sichuanensis, Parasitization, Sugar, &alpha, -Amylase, Trehalase