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Olafson PU, Aksoy S, Attardo GM, Buckmeier G, Chen X, Coates CJ, Davis M, Dykema J, Emrich SJ, Friedrich M, Holmes CJ, Ioannidis P, Jansen EN, Jennings EC, Lawson D, Martinson EO, Maslen GL, Meisel RP, Murphy TD, Nayduch D, Nelson DR, Oyen KJ, Raszick TJ, Ribeiro JMC, Robertson HM, Rosendale AJ, Sackton TB, Saelao P, Swiger SL, Sze SH, Tarone AM, Taylor DB, Warren WC, Waterhouse RM, Weirauch MT, Werren JH, Wilson RK, Zdobnov EM, Benoit JB. The genome of the stable fly, Stomoxys calcitrans, reveals potential mechanisms underlying reproduction, host interactions, and novel targets for pest control. BMC Biol 2021; 19:41. [PMID: 33750380 PMCID: PMC7944917 DOI: 10.1186/s12915-021-00975-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 02/03/2021] [Indexed: 01/01/2023] Open
Abstract
Background The stable fly, Stomoxys calcitrans, is a major blood-feeding pest of livestock that has near worldwide distribution, causing an annual cost of over $2 billion for control and product loss in the USA alone. Control of these flies has been limited to increased sanitary management practices and insecticide application for suppressing larval stages. Few genetic and molecular resources are available to help in developing novel methods for controlling stable flies. Results This study examines stable fly biology by utilizing a combination of high-quality genome sequencing and RNA-Seq analyses targeting multiple developmental stages and tissues. In conjunction, 1600 genes were manually curated to characterize genetic features related to stable fly reproduction, vector host interactions, host-microbe dynamics, and putative targets for control. Most notable was characterization of genes associated with reproduction and identification of expanded gene families with functional associations to vision, chemosensation, immunity, and metabolic detoxification pathways. Conclusions The combined sequencing, assembly, and curation of the male stable fly genome followed by RNA-Seq and downstream analyses provide insights necessary to understand the biology of this important pest. These resources and new data will provide the groundwork for expanding the tools available to control stable fly infestations. The close relationship of Stomoxys to other blood-feeding (horn flies and Glossina) and non-blood-feeding flies (house flies, medflies, Drosophila) will facilitate understanding of the evolutionary processes associated with development of blood feeding among the Cyclorrhapha. Supplementary Information The online version contains supplementary material available at 10.1186/s12915-021-00975-9.
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Affiliation(s)
- Pia U Olafson
- Livestock Arthropod Pests Research Unit, USDA-ARS, Kerrville, TX, USA.
| | - Serap Aksoy
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT, USA
| | - Geoffrey M Attardo
- Department of Entomology and Nematology, University of California - Davis, Davis, CA, USA
| | - Greta Buckmeier
- Livestock Arthropod Pests Research Unit, USDA-ARS, Kerrville, TX, USA
| | - Xiaoting Chen
- The Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Craig J Coates
- Department of Entomology, Texas A & M University, College Station, TX, USA
| | - Megan Davis
- Livestock Arthropod Pests Research Unit, USDA-ARS, Kerrville, TX, USA
| | - Justin Dykema
- Department of Biological Sciences, Wayne State University, Detroit, MI, USA
| | - Scott J Emrich
- Department of Electrical Engineering & Computer Science, University of Tennessee, Knoxville, TN, USA
| | - Markus Friedrich
- Department of Biological Sciences, Wayne State University, Detroit, MI, USA
| | - Christopher J Holmes
- Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, USA
| | - Panagiotis Ioannidis
- Department of Genetic Medicine and Development, University of Geneva Medical School and Swiss Institute of Bioinformatics, 1211, Geneva, Switzerland
| | - Evan N Jansen
- Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, USA
| | - Emily C Jennings
- Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, USA
| | - Daniel Lawson
- The European Molecular Biology Laboratory, The European Bioinformatics Institute, The Wellcome Genome Campus, Hinxton, CB10 1SD, UK
| | | | - Gareth L Maslen
- The European Molecular Biology Laboratory, The European Bioinformatics Institute, The Wellcome Genome Campus, Hinxton, CB10 1SD, UK
| | - Richard P Meisel
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Terence D Murphy
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Dana Nayduch
- Arthropod-borne Animal Diseases Research Unit, USDA-ARS, Manhattan, KS, USA
| | - David R Nelson
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Kennan J Oyen
- Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, USA
| | - Tyler J Raszick
- Department of Entomology, Texas A & M University, College Station, TX, USA
| | - José M C Ribeiro
- Section of Vector Biology, Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, Rockville, MD, USA
| | - Hugh M Robertson
- Department of Entomology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | | | - Timothy B Sackton
- Informatics Group, Faculty of Arts and Sciences, Harvard University, Cambridge, MA, USA
| | - Perot Saelao
- Livestock Arthropod Pests Research Unit, USDA-ARS, Kerrville, TX, USA
| | - Sonja L Swiger
- Department of Entomology, Texas A&M AgriLife Research and Extension Center, Stephenville, TX, USA
| | - Sing-Hoi Sze
- Department of Computer Science & Engineering, Department of Biochemistry & Biophysics, Texas A & M University, College Station, TX, USA
| | - Aaron M Tarone
- Department of Entomology, Texas A & M University, College Station, TX, USA
| | - David B Taylor
- Agroecosystem Management Research Unit, USDA-ARS, Lincoln, NE, USA
| | - Wesley C Warren
- University of Missouri, Bond Life Sciences Center, Columbia, MO, USA
| | - Robert M Waterhouse
- Department of Ecology and Evolution, University of Lausanne, and Swiss Institute of Bioinformatics, 1015, Lausanne, Switzerland
| | - Matthew T Weirauch
- Center for Autoimmune Genomics and Etiology, Divisions of Biomedical Informatics and Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - John H Werren
- Department of Biology, University of Rochester, Rochester, NY, USA
| | - Richard K Wilson
- Institute for Genomic Medicine, Nationwide Children's Hospital, Columbus, OH, USA.,College of Medicine, Ohio State University, Columbus, OH, USA
| | - Evgeny M Zdobnov
- Department of Genetic Medicine and Development, University of Geneva Medical School and Swiss Institute of Bioinformatics, 1211, Geneva, Switzerland
| | - Joshua B Benoit
- Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, USA.
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Lin W, Yu Y, Zhou P, Zhang J, Dou L, Hao Q, Chen H, Zhu S. Identification and Knockdown of the Olfactory Receptor (OrCo) in Gypsy Moth, Lymantria dispar. Int J Biol Sci 2015; 11:772-80. [PMID: 26078719 PMCID: PMC4466458 DOI: 10.7150/ijbs.11898] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Accepted: 04/08/2015] [Indexed: 11/05/2022] Open
Abstract
The gypsy moth, Lymantria dispar, is an important economic pest that causes large-scale damage to forests worldwide. Because of its important role in initiating and controlling insect behavior, olfaction-and olfaction-based pest management-has drawn increasing attention from entomologists. In this study, we identified the gene that encodes the olfactory receptor co-receptor (OrCo). Through amino acid sequence alignment, we found that LdisOrCo shares high identity with other OrCo proteins from different insect orders. Next, we performed RNA-interference (RNAi) to assess the role of OrCo in olfaction. Electroantennographic assays showed that after RNAi, the average value of males' response to sex pheromones was 0.636 mV, significantly lower than that of the positive control (average = 1.472 mV). Females showed no response to sex pheromones before or after RNAi. Finally, quantitative PCR showed a strong decrease in the expression of OrCo after RNAi, by ~74% in males and by 23% in females relative to the positive controls. These results indicate that OrCo is not only critical to odor recognition, but it may also represent a new target for development of semiochemicals that can influence insect behavior.
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Affiliation(s)
- Wei Lin
- 1. Institute of Plant Quarantine, Chinese Academy of Inspection and Quarantine, Beijing, China 100029; ; 2. College of Agriculture and Biotechnology, China Agricultural University, Beijing, China, 100193
| | - Yanxue Yu
- 1. Institute of Plant Quarantine, Chinese Academy of Inspection and Quarantine, Beijing, China 100029
| | - Ping Zhou
- 4. College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong Province, China, 271000
| | - Junhua Zhang
- 1. Institute of Plant Quarantine, Chinese Academy of Inspection and Quarantine, Beijing, China 100029
| | - Liduo Dou
- 1. Institute of Plant Quarantine, Chinese Academy of Inspection and Quarantine, Beijing, China 100029
| | - Qin Hao
- 1. Institute of Plant Quarantine, Chinese Academy of Inspection and Quarantine, Beijing, China 100029
| | - Hongjun Chen
- 3. Division of Animal and Plant Quarantine Supervision, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Beijing, China, 100088
| | - Shuifang Zhu
- 1. Institute of Plant Quarantine, Chinese Academy of Inspection and Quarantine, Beijing, China 100029
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Leitch O, Papanicolaou A, Lennard C, Kirkbride KP, Anderson A. Chemosensory genes identified in the antennal transcriptome of the blowfly Calliphora stygia. BMC Genomics 2015; 16:255. [PMID: 25880816 PMCID: PMC4392625 DOI: 10.1186/s12864-015-1466-8] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 03/16/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Blowflies have relevance in areas of forensic science, agriculture, and medicine, primarily due to the ability of their larvae to develop on flesh. While it is widely accepted that blowflies rely heavily on olfaction for identifying and locating hosts, there is limited research regarding the underlying molecular mechanisms. Using next generation sequencing (Illumina), this research examined the antennal transcriptome of Calliphora stygia (Fabricius) (Diptera: Calliphoridae) to identify members of the major chemosensory gene families necessary for olfaction. RESULTS Representative proteins from all chemosensory gene families essential in insect olfaction were identified in the antennae of the blowfly C. stygia, including 50 odorant receptors, 22 ionotropic receptors, 21 gustatory receptors, 28 odorant binding proteins, 4 chemosensory proteins, and 3 sensory neuron membrane proteins. A total of 97 candidate cytochrome P450s and 39 esterases, some of which may act as odorant degrading enzymes, were also identified. Importantly, co-receptors necessary for the proper function of ligand-binding receptors were identified. Putative orthologues for the conserved antennal ionotropic receptors and candidate gustatory receptors for carbon dioxide detection were also amongst the identified proteins. CONCLUSIONS This research provides a comprehensive novel resource that will be fundamental for future studies regarding blowfly olfaction. Such information presents potential benefits to the forensic, pest control, and medical areas, and could assist in the understanding of insecticide resistance and targeted control through cross-species comparisons.
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Affiliation(s)
- Olivia Leitch
- National Centre for Forensic Studies, University of Canberra, Canberra, Australia. .,CSIRO Division of Ecosystem Sciences and Food Futures Flagship, Canberra, Australia.
| | - Alexie Papanicolaou
- CSIRO Land and Water Flagship, Canberra, Australia. .,Current Address: Hawkesbury Institute for the Environment, University of Western Sydney, Richmond, Australia.
| | - Chris Lennard
- National Centre for Forensic Studies, University of Canberra, Canberra, Australia. .,Current Address: School of Science and Health, University of Western Sydney, Penrith, Australia.
| | - K Paul Kirkbride
- School of Chemical and Physical Sciences, Flinders University, Bedford Park, Australia.
| | - Alisha Anderson
- CSIRO Division of Ecosystem Sciences and Food Futures Flagship, Canberra, Australia.
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