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Cuticular proteins in codling moth (Cydia pomonella) respond to insecticide and temperature stress

文献类型： 外文期刊

作者： Li, Zaiyuan 1 ; Ouyang, Lan 1 ; Wu, Qiang 2 ; Peng, Qi 1 ; Zhang, Bin 1 ; Qian, Wanqiang 2 ; Liu, Bo 1 ; Wan, Fanghao 1 ;

作者机构： 1.Qingdao Agr Univ, Coll Plant Hlth & Med, Qingdao 266109, Peoples R China

2.Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Guangdong Lab Lingnan Modern Agr, Genome Anal Lab,Minist Agr & Rural Affairs,Shenzhe, Shenzhen 518120, Peoples R China

关键词： Cydia pomonella; Cuticular proteins; Evolution; Insecticide resistance; High temperature adaption

期刊名称：ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY （ 影响因子：6.8； 五年影响因子：6.9 ）

ISSN： 0147-6513

年卷期： 2024 年 270 卷

页码：

收录情况： SCI

摘要： The insect cuticle consists of chitin and cuticular proteins (CPs), which stabilize the body shape and provide an effective physical barrier against the external environment. They are also potential target sites for developing environmentally friendly insect management through the utilization of physiology-based methods. The codling moth, Cydia pomonella, is a pest afflicting fruit orchards worldwide. This study used a comparative genomic approach, whole-genome resequencing, and transcriptome data to understand the role that CPs played in the environmental adaptation of the codling moth. A total of 182 putative CPs were identified in the codling moth genome, which were classified into 12 CP families. 119 CPR genes, including 54 RR-1, 60 RR-2, and 5 RR-3 genes were identified and accounted for 65.4% of the total CPs. Eight and seven gene clusters are formed in RR1 and RR2 subfamily and the ancestor-descendant relationship was explained. Five CPAP genes were highly expressed during the egg stage and exposed to high temperature, which indicated their potential role in aiding codling moth eggs in acclimating to varying external heat conditions. Moreover, six CPs belonging to the CPR and CPLCP families were identified in association with insecticide resistance by population resequencing. Their expression levels increased after exposure to insecticides, suggesting they might be involved in codling moth resistance to the insecticides azinphos-methyl or deltamethrin. Our results provide insight into the evolution of codling moth CPs and their association with high temperature adaptation and insecticide resistance, and provide an additional information required for further analysis of CPs in environmental adaptation.

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