昆虫几丁质酶及其应用研究综述

doi:10.16409/j.cnki.2095-039x.2021.09.023

摘要/Abstract

摘要： 几丁质作为自然界的一种含氮多糖类生物性高分子,是昆虫表皮、中肠围食膜和气管系统的主要结构成分,保护昆虫免受化学侵蚀、物理损伤和病原入侵。昆虫几丁质酶可以降解昆虫体壁和围食膜中的几丁质,近年来受到了越来越多的关注。通过对昆虫几丁质酶的调控,可直接影响其生长发育,实现对害虫的有效防治。本文综述了昆虫几丁质酶结构、体内表达特性、生理功能和影响因素,及其在害虫防治中的应用与存在的不足,旨在为昆虫几丁质酶在植物保护领域更深入的开发应用提供科学依据。

关键词: 几丁质酶, 功能分析, 害虫防治, 应用

Abstract: Chitin,a nitrogen-containing polysaccharide biological polymer in nature,is the main structural component of insect epidermis,midgut peritrophic membrane and tracheal system,protecting insects from chemical erosion,physical damage,and pathogen invasion.Recently,more and more attention is paid to insect chitinase for its role in pest control,for it could degrade chitin in insect body wall and peritrophic membrane.By regulating chitinase,the growth and development of insects will be affected directly and even be controlled effectively.This paper summarized the structure,gene expression characteristics,physiological functions,and influence factors of insect chitinase,as well as its application and shortcomings in pest control,in order to provide a scientific basis for the further development and application of insect chitinase in the field of plant protection.

Key words: chitinase, physiological function, pest control, application

中图分类号:

S476

李春春, 苟玉萍, 张克信, 张强艳, 刘长仲. 昆虫几丁质酶及其应用研究综述[J]. 中国生物防治学报, 2022, 38(4): 1020-1029.

LI Chunchun, GOU Yuping, ZHANG Kexin, ZHANG Qiangyan, LIU Changzhong. Summary of Research on Insect Chitinase and Its Application[J]. Chinese Journal of Biological Control, 2022, 38(4): 1020-1029.

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