摘要
滞育是昆虫长期适应不利环境的重要对策之一,对昆虫的生存、繁衍和进化都具有重要意义。滞育一般分为滞育前期、滞育期和滞育后期3个阶段,其中,滞育前期包括滞育诱导期和滞育准备期,是确保昆虫顺利进入滞育的重要时期。本文首先简要概括了光周期、温度、湿度、食料等外界环境因素在不同昆虫滞育诱导中的作用;然后系统综述了滞育激素、保幼激素、蜕皮激素、促前胸腺激素和胰岛素等内分泌激素,生物钟通路的节律基因,以及DNA甲基化、小RNA和组蛋白修饰等表观遗传修饰在昆虫滞育过程,尤其是滞育诱导调控中的作用,并以黑腹果蝇Drosophila melanogaster的生殖滞育为例,总结了昆虫滞育诱导调控的分子通路;最后就目前昆虫滞育诱导调控研究中亟待解决的问题和后续重点研究方向进行了探讨,展望了将昆虫滞育研究应用于害虫防控实践的主要策略和前景。
Diapause is a strategy used by insects to withstand adverse environmental conditions that is critical to the survival,propagation and evolution of many species.Diapause has three stages;pre-diapause,diapause and post-diapause.Pre-diapause is comprised of an induction and preparation period and is important to successful diapause.We here summarize the environmental factors related to diapause induction,review the function of different endocrine hormones and circadian genes,as well as epigenetic modifications including DNA methylation,small RNA and histone modifications,in the regulation of diapause induction.We also summarize the molecular pathways of diapause induction with reference to the reproductive diapause of Drosophila melanogaster.Finally,we discuss unresolved questions in the study of insect diapause induction and prospects for the application of diapause research in pest control.
作者
姜春艳
武强
杨念婉
黄聪
刘万学
钱万强
万方浩
JIANG Chun-Yan;WU Qiang;YANG Nian-Wan;HUANG Cong;LIU Wan-Xue;QIAN Wan-Qiang;WAN Fang-Hao(College of Plant Health and Medicine,Qingdao Agricultural University,Qingdao 266109,China;State Key Laboratory for Biology of Plant Diseases and Insect Pests,Institute of Plant Protection,Chinese Academy of Agricultural Sciences,Beijing 100193,China;Guangdong Laboratory for Lingnan Modern Agriculture,Shenzhen,Genome Analysis Laboratory of the Ministry of Agriculture and Rural Area,Agricultural Genomics Institute at Shenzhen,Chinese Academy of Agricultural Sciences,Shenzhen 518120,China)
出处
《应用昆虫学报》
CAS
CSCD
北大核心
2021年第1期1-13,共13页
Chinese Journal of Applied Entomology
基金
国家重点研发计划(2017YFC1200600)
关键词
滞育诱导
环境因素
生物钟
内分泌激素
表观遗传修饰
diapause induction
environment factors
circadian clock
endocrine hormone
epigenetic modifications
