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Article

Chemosensory Gene Families in the Oligophagous Pear Pest Cacopsylla chinensis (Hemiptera: Psyllidae)

by
Ji-Wei Xu
1,
Xiu-Yun Zhu
1,
Qiu-Jie Chao
1,
Yong-Jie Zhang
1,
Yu-Xia Yang
1,
Ran-Ran Wang
1,
Yu Zhang
1,
Meng-Zhen Xie
1,
Ya-Ting Ge
1,
Xin-Lai Wu
1,
Fan Zhang
2,
Ya-Nan Zhang
1,*,†,
Lei Ji
1,* and
Lu Xu
3,*
1
College of Life Sciences, Huaibei Normal University, Huaibei 235000, China
2
Key Laboratory of Animal Resistance Research, College of Life Science, Shandong Normal University, Jinan 250000, China
3
Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
*
Authors to whom correspondence should be addressed.
†
First corresponding author.
Insects 2019, 10(6), 175; https://doi.org/10.3390/insects10060175
Submission received: 26 April 2019 / Revised: 7 June 2019 / Accepted: 12 June 2019 / Published: 17 June 2019
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Abstract

Chemosensory systems play an important role in insect behavior, and some key associated genes have potential as novel targets for pest control. Cacopsylla chinensis is an oligophagous pest and has become one of the main pests of pear trees, but little is known about the molecular-level means by which it locates its hosts. In this study, we assembled the head transcriptome of C. chinensis using Illumina sequencing, and 63,052 Unigenes were identified. A total of 36 candidate chemosensory genes were identified, including five different families: 12 odorant binding proteins (OBPs), 11 chemosensory proteins (CSPs), 7 odorant receptors (ORs), 4 ionotropic receptors (IRs), and 2 gustatory receptors (GRs). The number of chemosensory gene families is consistent with that found in other Hemipteran species, indicating that our approach successfully obtained the chemosensory genes of C. chinensis. The tissue expression of all genes using quantitative real-time PCR (qRT-PCR) found that some genes displayed male head, female head, or nymph-biased specific/expression. Our results enrich the gene inventory of C. chinensis and provide valuable resources for the analysis of the functions of some key genes. This will help in developing molecular targets for disrupting feeding behavior in C. chinensis.
Keywords: Cacopsylla chinensis; oligophagous pest; chemosensory genes; transcriptome analysis; tissue expression Cacopsylla chinensis; oligophagous pest; chemosensory genes; transcriptome analysis; tissue expression
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MDPI and ACS Style

Xu, J.-W.; Zhu, X.-Y.; Chao, Q.-J.; Zhang, Y.-J.; Yang, Y.-X.; Wang, R.-R.; Zhang, Y.; Xie, M.-Z.; Ge, Y.-T.; Wu, X.-L.; et al. Chemosensory Gene Families in the Oligophagous Pear Pest Cacopsylla chinensis (Hemiptera: Psyllidae). Insects 2019, 10, 175. https://doi.org/10.3390/insects10060175

AMA Style

Xu J-W, Zhu X-Y, Chao Q-J, Zhang Y-J, Yang Y-X, Wang R-R, Zhang Y, Xie M-Z, Ge Y-T, Wu X-L, et al. Chemosensory Gene Families in the Oligophagous Pear Pest Cacopsylla chinensis (Hemiptera: Psyllidae). Insects. 2019; 10(6):175. https://doi.org/10.3390/insects10060175

Chicago/Turabian Style

Xu, Ji-Wei, Xiu-Yun Zhu, Qiu-Jie Chao, Yong-Jie Zhang, Yu-Xia Yang, Ran-Ran Wang, Yu Zhang, Meng-Zhen Xie, Ya-Ting Ge, Xin-Lai Wu, and et al. 2019. "Chemosensory Gene Families in the Oligophagous Pear Pest Cacopsylla chinensis (Hemiptera: Psyllidae)" Insects 10, no. 6: 175. https://doi.org/10.3390/insects10060175

APA Style

Xu, J.-W., Zhu, X.-Y., Chao, Q.-J., Zhang, Y.-J., Yang, Y.-X., Wang, R.-R., Zhang, Y., Xie, M.-Z., Ge, Y.-T., Wu, X.-L., Zhang, F., Zhang, Y.-N., Ji, L., & Xu, L. (2019). Chemosensory Gene Families in the Oligophagous Pear Pest Cacopsylla chinensis (Hemiptera: Psyllidae). Insects, 10(6), 175. https://doi.org/10.3390/insects10060175

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