Role of Glucosinolates in Insect-Plant Relationships and Multitrophic Interactions

被引:702
作者
Hopkins, Richard J. [1 ]
van Dam, Nicole M. [2 ]
van Loon, Joop J. A. [3 ]
机构
[1] Swedish Univ Agr Sci, Dept Ecol, S-75007 Uppsala, Sweden
[2] Netherlands Inst Ecol, NIOO KNAW, NL-6666 ZG Heteren, Netherlands
[3] Univ Wageningen & Res Ctr, Entomol Lab, NL-6700 EH Wageningen, Netherlands
关键词
crucifer; Brassicaceae; resistance; allelochemical; induced defenses; constitutive defenses; CABBAGE ROOT FLY; OILSEED RAPE; BRASSICA-NAPUS; PLUTELLA-XYLOSTELLA; DIAMONDBACK MOTH; EPITHIOSPECIFIER PROTEIN; SPECIALIST HERBIVORES; BREVICORYNE-BRASSICAE; SECONDARY METABOLITES; ARABIDOPSIS-THALIANA;
D O I
10.1146/annurev.ento.54.110807.090623
中图分类号
Q96 [昆虫学];
学科分类号
摘要
Glucosinolates present classical examples of plant compounds affecting insect-plant interactions. They are found mainly in the family Brassiciceae, which includes several important crops. More than 120 different glucosinolates are known. The enzyme myrosinase, which is stored in specialized plant cells, converts glucosinolates to the toxic isothiocyanates. Insect herbivores may reduce the toxicity of glucosinolates and their products by excretion, detoxification, or behavioral adaptations. Glucosinolates also affect higher trophic levels, via reduced host or prey quality or because specialist herbivores may sequester glucosinolates for their own defense. There is substantial quantitative and qualitative variation between plant genotypes, tissues, and ontogenetic stages, which poses specific challenges to insect herbivores. Even though glucosinolates are constitutive defenses, their levels are influenced by abiotic and biotic factors including insect damage. Plant breeders may use knowledge on glucosinolates to increase insect resistance in Brassica crops. State-of-the-art techniques, such as mutant analysis and metabolomics, are necessary to identify the exact role of glucosinolates.
引用
收藏
页码:57 / 83
页数:27
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