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Identification of Candidate Olfactory Genes in Scolytus schevyrewi Based on Transcriptomic Analysis

文献类型： 外文期刊

作者： Zhu, Xiaofeng 1 ; Xu, Bingqiang 1 ; Qin, Zhenjie 2 ; Kader, Abudukyoum 1 ; Song, Bo 1 ; Chen, Haoyu 1 ; Liu, Yang 2 ; Liu 1 ;

作者机构： 1.Xinjiang Acad Agr Sci, Inst Plant Protect, Key Lab Integrated Pest Management Crops Northwes, Minist Agr & Rural Affairs, Urumqi, Peoples R China

2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing, Peoples R China

3.Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Guangdong Lab Lingnan Modern Agr, Shenzhen Branch,Minist Agr & Rural Affairs,Genome, Shenzhen, Peoples R China

关键词： Scolytus schevyrewi; transcriptome; olfactory genes; expression analysis; antennae

期刊名称：FRONTIERS IN PHYSIOLOGY （ 影响因子：4.566； 五年影响因子：4.805 ）

ISSN： 1664-042X

年卷期： 2021 年 12 卷

页码：

收录情况： SCI

摘要： The bark beetle, Scolytus schevyrewi (S. schevyrewi), is an economically important pest in China that causes serious damage to the fruit industry, particularly, in Xinjiang Province. Chemical signals play an important role in the behavior of most insects, accordingly, ecofriendly traps can be used to monitor and control the target pests in agriculture. In order to lay a foundation for future research on chemical communication mechanisms at the molecular level, we generate antennal transcriptome databases for male and female S. schevyrewi using RNA sequencing (RNA-seq) analysis. By assembling and analyzing the adult male and female antennal transcriptomes, we identified 47 odorant receptors (ORs), 22 ionotropic receptors (IRs), 22 odorant-binding proteins (OBPs), and 11 chemosensory proteins (CSPs). Furthermore, expression levels of all the candidate OBPs and CSPs were validated in different tissues of male and female adults by semiquantitative reverse transcription PCR (RT-PCR). ScosOBP2 and ScosOBP18 were highly expressed in female antennae. ScosCSP2, ScosCSP3, and ScosCSP5 were specifically expressed in the antennae of both males and females. These results provide new potential molecular targets to inform and improve future management strategies of S. schevyrewi.

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