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Comparative genomic and transcriptomic analyses of chemosensory genes in the citrus fruit fly Bactrocera (Tetradacus) minax

文献类型： 外文期刊

作者： Cheng, Jun-Feng 1 ; Yu, Ting 2 ; Chen, Zhong-Jian 2 ; Chen, Shicheng 3 ; Chen, Yu-Peng 1 ; Gao, Lei 4 ; Zhang, Wen-Hu; 1 ;

作者机构： 1.South China Agr Univ, Coll Agr, Guangzhou, Guangdong, Peoples R China

2.Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, Guangzhou, Guangdong, Peoples R China

3.Michigan State Univ, Dept Microbiol & Mol Genet, E Lansing, MI 48824 USA

4.Guangdong Acad Agr Sci, Crop Res Inst, Guangdong Prov Key Lab Crop Genet & Improvement, Guangzhou, Guangdong, Peoples R China

5.Guangdong Acad Agr Sci, Fruit Tree Res Inst, Guangzhou, Guangdong, Peoples R China

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）

ISSN： 2045-2322

年卷期： 2020 年 10 卷 1 期

页码：

收录情况： SCI

摘要： The citrus fruit fly Bactrocera (Tetradacus) minax is a major and devastating agricultural pest in Asian subtropical countries. Previous studies have shown that B. minax interacts with plant hosts via the efficient chemosensory system. However, the molecular components of the B. minax chemosensory system have not been well characterized. Herein, we identified a total of 25 putative odorant-binding receptors (OBPs), 4 single-copy chemosensory proteins (CSPs) and 53 candidate odorant receptors (ORs) using a newly generated whole-genome dataset for B. minax. This study significantly extended the chemosensation-related gene profiles (particularly, OBPs and ORs) in six other tephritid species. Comparative transcriptome analysis of adult B. minax and Bactrocera dorsalis showed that there were 14 highly expressed OBPs (FPKM > 100) in B. dorsalis and 7 highly expressed ones in B. minax. The expression level of CSP3 gene and CSP4 gene was higher in B. dorsalis than that in B. minax. Comparative genomic and transcriptomic analyses of chemosensory genes in the citrus fruit fly B. minax provided new insights for preventive control of this agriculture important pest and closely related species.

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