Molecular identification and expression patterns of carboxylesterase genes based on transcriptome analysis of the common cutworm, Spodoptera litura (Lepidoptera: Noctuidae)
文献类型: 外文期刊
第一作者: Zhang, Ya-Nan
作者: Zhang, Ya-Nan;Li, Jin-Bu;Fang, Li-Ping;Deng, Dao-Gui;Zhu, Xiu-Yun;He, Peng;Sun, Liang;Li, Zhao-Qun;Ye, Zhan-Feng
作者机构:
关键词: Common cutworm;Transcriptome analysis;Carboxylesterase;Phylogenetic analysis;Expression pattern
期刊名称:JOURNAL OF ASIA-PACIFIC ENTOMOLOGY ( 影响因子:1.303; 五年影响因子:1.427 )
ISSN: 1226-8615
年卷期: 2016 年 19 卷 4 期
页码:
收录情况: SCI
摘要: Carboxylesterases (CXEs) belong to a family of metabolic enzymes that are widely distributed in insects and other organisms and can rapidly degrade the components of sex pheromones and plant volatiles with an acetate functional group. The common cutworm, Spodoptera litura, is an important agricultural pest around the world, causing vast economic losses every year. The female sex pheromones of S. litura comprise four acetates, Z9, El 1-14:OAc; Z9, E12-14:OAc; Z9-14:OAc; and El 1-14:OAc, but the degradation mechanisms of these components are not well understood. By analysing previously obtained transcriptomic data of the sex pheromone glands, we identified a total of 24 putative CXE genes in S. litura. Gene expression patterns and phylogenetic analysis revealed 5 genes with antennae-specific or biased expression, and clustered with genes showed involvement in the degradation of sex pheromones or other detoxification in other insects. SlitIXE10 was expressed specifically in the antennae of both sexes, and SlitCXE14, 17, 19, and 21 had high antenna biased expression. Interestingly, RT-PCR and qPCR tests indicated that SlitCXE24 had significantly higher expression in PG than in other tissue, and that it could be a potential candidate gene for sex pheromone degradation in PG. This study is the first to provide solid background information for the further elucidation of sex pheromone degradation, and ultimately provides potential targets for the disruption of sexual communication in S. litura for new pest management. (C) 2016 Korean Society of Applied Entomology, Taiwan Entomological Society and Malaysian Plant Protection Society. Published by Elsevier B.V. All rights reserved.
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