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Data Set on The Diversity and Core Members of Bacterial Community Associated with Two Specialist Fruit Flies Bactrocera melastomatos and B. umbrosa (Insecta, Tephritidae). Data Brief 2022; 45:108727. [DOI: 10.1016/j.dib.2022.108727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 10/01/2022] [Accepted: 11/02/2022] [Indexed: 11/09/2022] Open
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2
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Song SL, Yong HS, Chua KO, Eamsobhana P, Lim PE, Chan KG. Core members and differential abundance of chrysomelid microbiota in the life stages of Podontiaaffinis (Galerucinae) and adult Silanafarinosa(Cassidinae, Coleoptera). Biodivers Data J 2022; 10:e87459. [PMID: 36761655 PMCID: PMC9836631 DOI: 10.3897/bdj.10.e87459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 09/28/2022] [Indexed: 11/12/2022] Open
Abstract
The chrysomelid beetlesPodontiaaffinis and Silanafarinosa are members of the subfamilies Galerucinae and Cassidinae, respectively. This study, based on 16S rRNA gene-targeted metagenomics sequencing, reports the core members and differential abundance of bacterial communities in the larvae and adult beetles of P.affinis and the adult S.farinosa. Cyanobacteria/Melainabacteria group was the predominant phylum in the larvae of P.affinis, while Proteobacteria was the predominant phylum in adult P.affinis and S.farinosa. The number of Order, Family, Genus and Species OTUs in the adult stage of P.affinis was higher than that in the larval stage. The bacterial species richness of adult P.affinis was significantly higher than that of adult S.farinosa. Betaproteobacteria was the predominant class in adult P.affinis, Cyanobacteria in the larvae of P.affinis and Gammaproteobacteria in S.farinosa. The larvae and adult beetles of P.affinis and adult S.farinosahad a low number of unique and shared bacterial OTUs (> 5% relative abundance). The differences in the microbiota indicate possible differences in nutrient assimilation, host taxonomy and other stochastic processes. These findings provide new information to our understanding of the bacteria associated with specialist phytophagous chrysomelid beetles and beetles in general.
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Affiliation(s)
- Sze-Looi Song
- Institute for Advanced Studies, Universiti Malaya, Kuala Lumpur, MalaysiaInstitute for Advanced Studies, Universiti MalayaKuala LumpurMalaysia,Institute of Ocean and Earth Sciences, Universiti Malaya, Kuala Lumpur, MalaysiaInstitute of Ocean and Earth Sciences, Universiti MalayaKuala LumpurMalaysia
| | - Hoi-Sen Yong
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur, MalaysiaInstitute of Biological Sciences, Faculty of Science, Universiti MalayaKuala LumpurMalaysia
| | - Kah-Ooi Chua
- Centre for Research in Biotechnology for Agriculture, Universiti Malaya, Kuala Lumpur, MalaysiaCentre for Research in Biotechnology for Agriculture, Universiti MalayaKuala LumpurMalaysia
| | - Praphathip Eamsobhana
- Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, ThailandDepartment of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol UniversityBangkokThailand
| | - Phaik-Eem Lim
- Institute of Ocean and Earth Sciences, Universiti Malaya, Kuala Lumpur, MalaysiaInstitute of Ocean and Earth Sciences, Universiti MalayaKuala LumpurMalaysia
| | - Kok-Gan Chan
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur, MalaysiaInstitute of Biological Sciences, Faculty of Science, Universiti MalayaKuala LumpurMalaysia
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3
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Majumder R, Taylor PW, Chapman TA. Dynamics of the Queensland Fruit Fly Microbiome through the Transition from Nature to an Established Laboratory Colony. Microorganisms 2022; 10:microorganisms10020291. [PMID: 35208745 PMCID: PMC8877439 DOI: 10.3390/microorganisms10020291] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 01/14/2022] [Accepted: 01/25/2022] [Indexed: 11/16/2022] Open
Abstract
The transition from nature to laboratory or mass rearing can impose significant physiological and evolutionary impact on insects. The Queensland fruit fly (also known as ‘Qfly’), Bactrocera tryoni (Froggatt) (Diptera: Tephritidae), is a serious economic pest that presents major challenges for horticulture industries in Australia. The sterile insect technique (SIT) is being developed to manage outbreaks in regions that remain free of Qfly and to suppress populations in regions where this species is endemic. The biology of Qfly is intimately connected to its microbiome. Therefore, changes in the microbiome that occur through domestication have implications for SIT. There are numerous studies of the microbiome in Qfly larvae and adults, but there is little information on how the microbiome changes as Qfly laboratory colonies are established. In this study, high-throughput Illumina sequencing was used to assess the Qfly microbiome in colonies reared from wild larvae, collected from fruit, for five generations, on a gel-based larval diet. Beta diversity analysis showed that the bacterial communities from Generation 5 (G5) clustered separately from earlier generations. At the genus level, bacterial communities were significantly different between the generations and mostly altered at G5. However, communities were found similar at phyla to family taxonomic levels. We observed high abundance of Morganella and Burkholderia at the genus level in the larval and pupal stages respectively at G5, but these were not detected in earlier generations. Overall, our findings demonstrate that the domestication process strongly affects the Qfly microbiome and prompts questions about the functional relationship between the Qfly and its microbiome, as well as implications for the performance of insects that have been domesticated and mass-reared for SIT programs.
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Affiliation(s)
- Rajib Majumder
- Applied BioSciences, Macquarie University, North Ryde, NSW 2109, Australia; (P.W.T.); (T.A.C.)
- Biosecurity and Food Safety, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW 2567, Australia
- Correspondence:
| | - Phillip W. Taylor
- Applied BioSciences, Macquarie University, North Ryde, NSW 2109, Australia; (P.W.T.); (T.A.C.)
| | - Toni A. Chapman
- Applied BioSciences, Macquarie University, North Ryde, NSW 2109, Australia; (P.W.T.); (T.A.C.)
- Biosecurity and Food Safety, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW 2567, Australia
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Ourry M, Lopez V, Hervé M, Lebreton L, Mougel C, Outreman Y, Poinsot D, Cortesero AM. Long-lasting effects of antibiotics on bacterial communities of adult flies. FEMS Microbiol Ecol 2020; 96:5775305. [PMID: 32123899 DOI: 10.1093/femsec/fiaa028] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 02/28/2020] [Indexed: 01/01/2023] Open
Abstract
Insect symbionts benefit their host and their study requires large spectrum antibiotic use like tetracycline to weaken or suppress symbiotic communities. While antibiotics have a negative impact on insect fitness, little is known about antibiotic effects on insect microbial communities and how long they last. We characterized the bacterial communities of adult cabbage root fly Delia radicum in a Wolbachia-free population and evaluated the effect of tetracycline treatment on these communities over several generations. Three D. radicum generations were used: the first- and second-generation flies either ingested tetracycline or not, while the third-generation flies were untreated but differed with their parents and/or grandparents that had or had not been treated. Fly bacterial communities were sequenced using a 16S rRNA gene. Tetracycline decreased fly bacterial diversity and induced modifications in both bacterial abundance and relative frequencies, still visible on untreated offspring whose parents and/or grandparents had been treated, therefore demonstrating long-lasting transgenerational effects on animal microbiomes after antibiotic treatment. Flies with an antibiotic history shared bacterial genera, potentially tetracycline resistant and heritable. Next, the transmission should be investigated by comparing several insect development stages and plant compartments to assess vertical and horizontal transmissions of D. radicum bacterial communities.
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Affiliation(s)
- Morgane Ourry
- Agrocampus Ouest, INRAE, Université de Rennes, IGEPP, F-35650 Le Rheu, France
| | - Valérie Lopez
- Agrocampus Ouest, INRAE, Université de Rennes, IGEPP, F-35000 Rennes, France
| | - Maxime Hervé
- Agrocampus Ouest, INRAE, Université de Rennes, IGEPP, F-35000 Rennes, France
| | - Lionel Lebreton
- Agrocampus Ouest, INRAE, Université de Rennes, IGEPP, F-35650 Le Rheu, France
| | - Christophe Mougel
- Agrocampus Ouest, INRAE, Université de Rennes, IGEPP, F-35650 Le Rheu, France
| | - Yannick Outreman
- Agrocampus Ouest, INRAE, Université de Rennes, IGEPP, F-35000 Rennes, France
| | - Denis Poinsot
- Agrocampus Ouest, INRAE, Université de Rennes, IGEPP, F-35000 Rennes, France
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5
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Majumder R, Sutcliffe B, Adnan SM, Mainali B, Dominiak BC, Taylor PW, Chapman TA. Artificial Larval Diet Mediates the Microbiome of Queensland Fruit Fly. Front Microbiol 2020; 11:576156. [PMID: 33042092 PMCID: PMC7526507 DOI: 10.3389/fmicb.2020.576156] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 08/26/2020] [Indexed: 11/13/2022] Open
Abstract
Larval diets used for artificial rearing can have a significant effect on insect biology. The Queensland fruit fly (aka "Qfly"), Bactrocera tryoni (Froggatt) (Diptera: Tephritidae), is one of the greatest challenges for fruit growers in Australia. The sterile insect technique (SIT) is being developed to manage outbreaks in regions that remain free of Qfly and to reduce populations in regions where this species is endemic. Factory scale rearing is essential for SIT; however, artificial larval diets are known to affect the microbiome of Qfly, which may then affect fly performance. In this study, high-throughput Illumina sequencing was used to assess the Qfly microbiome in colonies reared, for five generations from nature, on two common artificial diets (carrot and gel). At generation five (G5), the microbiome was assessed in larvae, pupae, adult males and adult females and standard fly quality control parameters were assessed together with additional performance measures of mating propensity and survival under nutritional stress. At the genus level, bacterial communities were significantly different between the colonies reared on the two larval diets. However, communities converged at Phyla to family taxonomic levels. Bacterial genera of Morganella, Citrobacter, Providencia, and Burkholderia were highly abundant in all developmental stages of Qfly reared on the gel diet, when compared to the carrot diet. Despite abundance of these genera, a greater percentage of egg hatching, heavier pupal weight and a higher percentage of fliers were found in the Qfly reared on the gel diet. Mating propensity and survival under nutritional stress was similar for adult Qfly that had been reared on the two larval diets. Overall, our findings demonstrate that the artificial larval diet strongly influences the microbiome and quality control measures of Qfly, with likely downstream effects on performance of flies released in SIT programs.
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Affiliation(s)
- Rajib Majumder
- Applied BioSciences, Macquarie University, North Ryde, NSW, Australia
- Biosecurity and Food Safety, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW, Australia
| | - Brodie Sutcliffe
- Biosecurity and Food Safety, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW, Australia
| | - Saleh Mohammad Adnan
- Applied BioSciences, Macquarie University, North Ryde, NSW, Australia
- Department of Entomology, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Bishwo Mainali
- Applied BioSciences, Macquarie University, North Ryde, NSW, Australia
| | - Bernard C. Dominiak
- Biosecurity and Food Safety, NSW Department of Primary Industries, Orange, NSW, Australia
| | - Phillip W. Taylor
- Applied BioSciences, Macquarie University, North Ryde, NSW, Australia
| | - Toni A. Chapman
- Applied BioSciences, Macquarie University, North Ryde, NSW, Australia
- Biosecurity and Food Safety, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW, Australia
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6
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Mateos M, Martinez Montoya H, Lanzavecchia SB, Conte C, Guillén K, Morán-Aceves BM, Toledo J, Liedo P, Asimakis ED, Doudoumis V, Kyritsis GA, Papadopoulos NT, Augustinos AA, Segura DF, Tsiamis G. Wolbachia pipientis Associated With Tephritid Fruit Fly Pests: From Basic Research to Applications. Front Microbiol 2020; 11:1080. [PMID: 32582067 PMCID: PMC7283806 DOI: 10.3389/fmicb.2020.01080] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 04/30/2020] [Indexed: 12/19/2022] Open
Abstract
Members of the true fruit flies (family Tephritidae) are among the most serious agricultural pests worldwide, whose control and management demands large and costly international efforts. The need for cost-effective and environmentally friendly integrated pest management (IPM) has led to the development and implementation of autocidal control strategies. These approaches include the widely used sterile insect technique and the incompatible insect technique (IIT). IIT relies on maternally transmitted bacteria (namely Wolbachia) to cause a conditional sterility in crosses between released mass-reared Wolbachia-infected males and wild females, which are either uninfected or infected with a different Wolbachia strain (i.e., cytoplasmic incompatibility; CI). Herein, we review the current state of knowledge on Wolbachia-tephritid interactions including infection prevalence in wild populations, phenotypic consequences, and their impact on life history traits. Numerous pest tephritid species are reported to harbor Wolbachia infections, with a subset exhibiting high prevalence. The phenotypic effects of Wolbachia have been assessed in very few tephritid species, due in part to the difficulty of manipulating Wolbachia infection (removal or transinfection). Based on recent methodological advances (high-throughput DNA sequencing) and breakthroughs concerning the mechanistic basis of CI, we suggest research avenues that could accelerate generation of necessary knowledge for the potential use of Wolbachia-based IIT in area-wide integrated pest management (AW-IPM) strategies for the population control of tephritid pests.
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Affiliation(s)
- Mariana Mateos
- Departments of Ecology and Conservation Biology, and Wildlife and Fisheries Sciences, Texas A&M University, College Station, TX, United States
| | - Humberto Martinez Montoya
- Laboratorio de Genética y Genómica Comparativa, Unidad Académica Multidisciplinaria Reynosa Aztlan, Universidad Autónoma de Tamaulipas, Ciudad Victoria, Mexico
| | - Silvia B Lanzavecchia
- Instituto de Genética 'Ewald A. Favret' - GV IABIMO (INTA-CONICET) Hurlingham, Buenos Aires, Argentina
| | - Claudia Conte
- Instituto de Genética 'Ewald A. Favret' - GV IABIMO (INTA-CONICET) Hurlingham, Buenos Aires, Argentina
| | | | | | - Jorge Toledo
- El Colegio de la Frontera Sur, Tapachula, Mexico
| | - Pablo Liedo
- El Colegio de la Frontera Sur, Tapachula, Mexico
| | - Elias D Asimakis
- Department of Environmental Engineering, University of Patras, Agrinio, Greece
| | - Vangelis Doudoumis
- Department of Environmental Engineering, University of Patras, Agrinio, Greece
| | - Georgios A Kyritsis
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture Crop Production and Rural Environment, University of Thessaly, Larissa, Greece
| | - Nikos T Papadopoulos
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture Crop Production and Rural Environment, University of Thessaly, Larissa, Greece
| | - Antonios A Augustinos
- Department of Plant Protection, Institute of Industrial and Forage Crops, Hellenic Agricultural Organization - DEMETER, Patras, Greece
| | - Diego F Segura
- Instituto de Genética 'Ewald A. Favret' - GV IABIMO (INTA-CONICET) Hurlingham, Buenos Aires, Argentina
| | - George Tsiamis
- Department of Environmental Engineering, University of Patras, Agrinio, Greece
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Detection of Wolbachia Infections in Natural and Laboratory Populations of the Moroccan Hessian Fly, Mayetiola destructor (Say). INSECTS 2020; 11:insects11060340. [PMID: 32498270 PMCID: PMC7349215 DOI: 10.3390/insects11060340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/27/2020] [Accepted: 05/28/2020] [Indexed: 01/08/2023]
Abstract
Mayetiola destructor (Hessian fly) is a destructive pest of wheat in several parts of the world. Here, we investigated the presence of reproductive symbionts and the effect of the geographical location on the bacterial community associated to adult Hessian flies derived from four major wheat producing areas in Morocco. Using specific 16S rDNA PCR assay, Wolbachia infection was observed in 3% of the natural populations and 10% of the laboratory population. High throughput sequencing of V3-V4 region of the bacterial 16S rRNA gene revealed that the microbiota of adult Hessian flies was significantly influenced by their native regions. A total of 6 phyla, 10 classes and 79 genera were obtained from all the samples. Confirming the screening results, Wolbachia was identified as well in the natural Hessian flies. Phylogenetic analysis using the sequences obtained in this study indicated that there is one Wolbachia strain belonging to supergroup A. To our knowledge, this is the first report of Wolbachia in Hessian fly populations. The observed low abundance of Wolbachia most likely does not indicate induction of reproductive incompatibility. Yet, this infection may give a new insight into the use of Wolbachia for the fight against Hessian fly populations.
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8
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Majumder R, Sutcliffe B, Taylor PW, Chapman TA. Microbiome of the Queensland Fruit Fly through Metamorphosis. Microorganisms 2020; 8:microorganisms8060795. [PMID: 32466500 PMCID: PMC7356580 DOI: 10.3390/microorganisms8060795] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 05/12/2020] [Accepted: 05/20/2020] [Indexed: 12/21/2022] Open
Abstract
Bactrocera tryoni (Froggatt) (Queensland fruit fly, or “Qfly”) is a highly polyphagous tephritid fruit fly and a serious economic pest in Australia. Qfly biology is intimately linked to the bacteria and fungi of its microbiome. While there are numerous studies of the microbiome in larvae and adults, the transition of the microbiome through the pupal stage remains unknown. To address this knowledge gap, we used high-throughput Next-Generation Sequencing (NGS) to examine microbial communities at each developmental stage in the Qfly life cycle, targeting the bacterial 16S rRNA and fungal ITS regions. We found that microbial communities were similar at the larval and pupal stage and were also similar between adult males and females, yet there were marked differences between the larval and adult stages. Specific bacterial and fungal taxa are present in the larvae and adults (fed hydrolyzed yeast with sugar) which is likely related to differences in nutritional biology of these life stages. We observed a significant abundance of the Acetobacteraceae at the family level, both in the larval and pupal stages. Conversely, Enterobacteriaceae was highly abundant (>80%) only in the adults. The majority of fungal taxa present in Qfly were yeasts or yeast-like fungi. In addition to elucidating changes in the microbiome through developmental stages, this study characterizes the Qfly microbiome present at the establishment of laboratory colonies as they enter the domestication process.
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Affiliation(s)
- Rajib Majumder
- Applied BioSciences, Macquarie University, North Ryde, NSW 2109, Australia; (P.W.T.); (T.A.C.)
- Biosecurity and Food Safety, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW 2568, Australia
- Correspondence:
| | - Brodie Sutcliffe
- Department of Environmental Sciences, Macquarie University, North Ryde, NSW 2109, Australia;
- Biosecurity and Food Safety, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW 2568, Australia
| | - Phillip W. Taylor
- Applied BioSciences, Macquarie University, North Ryde, NSW 2109, Australia; (P.W.T.); (T.A.C.)
| | - Toni A. Chapman
- Applied BioSciences, Macquarie University, North Ryde, NSW 2109, Australia; (P.W.T.); (T.A.C.)
- Biosecurity and Food Safety, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW 2568, Australia
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Gallo-Franco JJ, Toro-Perea N. Variations in the Bacterial Communities in Anastrepha obliqua (Diptera: Tephritidae) According to the Insect Life Stage and Host Plant. Curr Microbiol 2020; 77:1283-1291. [PMID: 32130504 DOI: 10.1007/s00284-020-01939-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 02/24/2020] [Indexed: 02/06/2023]
Abstract
Insects have established close relationships with a wide variety of microorganisms, which play a key role in insect ecology and evolution. Fruit flies in the Tephritidae family have economic importance at the global level, including species such as Anastrepha obliqua, which is an important pest in the neotropical region. Although several studies have been performed on the microbiota associated with fruit flies, there are still large gaps in our knowledge about the bacterial communities on the genus Anastrepha. During this study, we used high-throughput sequencing to characterize the bacterial communities of the polyphagous fly A. obliqua, and we evaluated the effect of the life stage (larvae and adults) and host plant (three plant species) on the structure of these communities. Our results show that the bacterial communities in A. obliqua appears to be structured according to the insect life stage and the host plant. The predominant genera belonging to the phylum Proteobacteria were Wolbachia and Enterobacter in both larvae and adults, and they displayed differences in abundance between them, with Wolbachia sp. being more abundant in larvae and Enterobacter sp. being more abundant in adults. Differences in the structures of the bacterial communities were also observed according to the host plant with higher abundance of Enterobacter and Acetobacter bacteria in mango and plum fruits. Based on our results, it can be hypothesized that the bacterial communities on A. obliqua reorganize according to the needs of these insects during their different life stages and could also play an important role in the establishment of this fly species on different host plants. This study represents the first approach to understanding microorganism-insect interactions in fruit flies in Colombia.
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Affiliation(s)
- Jenny J Gallo-Franco
- Biology Department (Departamento de Biología), Universidad del Valle, Street 13 No. 100-00, Cali, 760032, Colombia.
| | - Nelson Toro-Perea
- Biology Department (Departamento de Biología), Universidad del Valle, Street 13 No. 100-00, Cali, 760032, Colombia
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Asimakis ED, Doudoumis V, Hadapad AB, Hire RS, Batargias C, Niu C, Khan M, Bourtzis K, Tsiamis G. Detection and characterization of bacterial endosymbionts in Southeast Asian tephritid fruit fly populations. BMC Microbiol 2019; 19:290. [PMID: 31870298 PMCID: PMC7050614 DOI: 10.1186/s12866-019-1653-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Various endosymbiotic bacteria, including Wolbachia of the Alphaproteobacteria, infect a wide range of insects and are capable of inducing reproductive abnormalities to their hosts such as cytoplasmic incompatibility (CI), parthenogenesis, feminization and male-killing. These extended phenotypes can be potentially exploited in enhancing environmentally friendly methods, such as the sterile insect technique (SIT), for controlling natural populations of agricultural pests. The goal of the present study is to investigate the presence of Wolbachia, Spiroplasma, Arsenophonus and Cardinium among Bactrocera, Dacus and Zeugodacus flies of Southeast Asian populations, and to genotype any detected Wolbachia strains. RESULTS A specific 16S rRNA PCR assay was used to investigate the presence of reproductive parasites in natural populations of nine different tephritid species originating from three Asian countries, Bangladesh, China and India. Wolbachia infections were identified in Bactrocera dorsalis, B. correcta, B. scutellaris and B. zonata, with 12.2-42.9% occurrence, Entomoplasmatales in B. dorsalis, B. correcta, B. scutellaris, B. zonata, Zeugodacus cucurbitae and Z. tau (0.8-14.3%) and Cardinium in B. dorsalis and Z. tau (0.9-5.8%), while none of the species tested, harbored infections with Arsenophonus. Infected populations showed a medium (between 10 and 90%) or low (< 10%) prevalence, ranging from 3 to 80% for Wolbachia, 2 to 33% for Entomoplasmatales and 5 to 45% for Cardinium. Wolbachia and Entomoplasmatales infections were found both in tropical and subtropical populations, the former mostly in India and the latter in various regions of India and Bangladesh. Cardinium infections were identified in both countries but only in subtropical populations. Phylogenetic analysis revealed the presence of Wolbachia with some strains belonging either to supergroup B or supergroup A. Sequence analysis revealed deletions of variable length and nucleotide variation in three Wolbachia genes. Spiroplasma strains were characterized as citri-chrysopicola-mirum and ixodetis strains while the remaining Entomoplasmatales to the Mycoides-Entomoplasmataceae clade. Cardinium strains were characterized as group A, similar to strains infecting Encarsia pergandiella. CONCLUSIONS Our results indicated that in the Southeast natural populations examined, supergroup A Wolbachia strain infections were the most common, followed by Entomoplasmatales and Cardinium. In terms of diversity, most strains of each bacterial genus detected clustered in a common group. Interestingly, the deletions detected in three Wolbachia genes were either new or similar to those of previously identified pseudogenes that were integrated in the host genome indicating putative horizontal gene transfer events in B. dorsalis, B. correcta and B. zonata.
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Affiliation(s)
- Elias D. Asimakis
- Department of Environmental Engineering, University of Patras, 2 Seferi St., 30100 Agrinio, Greece
| | - Vangelis Doudoumis
- Department of Environmental Engineering, University of Patras, 2 Seferi St., 30100 Agrinio, Greece
- Department of Fisheries & Aquaculture Management, Technological Educational Institute of Western Greece, 30200 Messolonghi, Greece
| | - Ashok B. Hadapad
- Nuclear Agriculture & Biotechnology Division, Bhabha Atomic Research Centre (BARC), Trombay, Mumbai, Maharashtra 400 085 India
| | - Ramesh S. Hire
- Nuclear Agriculture & Biotechnology Division, Bhabha Atomic Research Centre (BARC), Trombay, Mumbai, Maharashtra 400 085 India
| | - Costas Batargias
- Department of Fisheries & Aquaculture Management, Technological Educational Institute of Western Greece, 30200 Messolonghi, Greece
| | - Changying Niu
- Huazhong Agricultural University, Wuhan, 430070 Hubei China
| | - Mahfuza Khan
- Insect Biotechnology Division, Institute of Food and Radiation Biology
(IFRB), Atomic Energy Research Establishment (AERE), Ganakbari, Savar, Dhaka 1349 Bangladesh
| | - Kostas Bourtzis
- Insect Pest Control Laboratory, Joint FAO/IAEA Division of Nuclear
Techniques in Food and Agriculture, Vienna International Centre, P.O. Box 100, 1400 Vienna, Austria
| | - George Tsiamis
- Department of Environmental Engineering, University of Patras, 2 Seferi St., 30100 Agrinio, Greece
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11
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Majumder R, Sutcliffe B, Taylor PW, Chapman TA. Next-Generation Sequencing reveals relationship between the larval microbiome and food substrate in the polyphagous Queensland fruit fly. Sci Rep 2019; 9:14292. [PMID: 31575966 PMCID: PMC6773747 DOI: 10.1038/s41598-019-50602-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 09/16/2019] [Indexed: 01/28/2023] Open
Abstract
Insects typically host substantial microbial communities (the ‘microbiome’) that can serve as a vital source of nutrients and also acts as a modulator of immune function. While recent studies have shown that diet is an important influence on the gut microbiome, very little is known about the dynamics underpinning microbial acquisition from natural food sources. Here, we addressed this gap by comparing the microbiome of larvae of the polyphagous fruit fly Bactrocera tryoni (‘Queensland fruit fly’) that were collected from five different fruit types (sapodilla [from two different localities], hog plum, pomegranate, green apple, and quince) from North-east to South-east Australia. Using Next-Generation Sequencing on the Illumina MiSeq platform, we addressed two questions: (1) what bacterial communities are available to B. tryoni larvae from different host fruit; and (2) how does the microbiome vary between B. tryoni larvae and its host fruit? The abundant bacterial taxa were similar for B. tryoni larvae from different fruit despite significant differences in the overall microbial community compositions. Our study suggests that the bacterial community structure of B. tryoni larvae is related less to the host fruit (diet) microbiome and more to vertical transfer of the microbiome during egg laying. Our findings also suggest that geographic location may play a quite limited role in structuring of larval microbiomes. This is the first study to use Next-Generation Sequencing to analyze the microbiome of B. tryoni larvae together with the host fruit, an approach that has enabled greatly increased resolution of relationships between the insect’s microbiome and that of the surrounding host tissues.
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Affiliation(s)
- Rajib Majumder
- Department of Biological Sciences, Macquarie University, North Ryde, NSW, 2109, Australia. .,Biosecurity and Food Safety, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW, 2567, Australia.
| | - Brodie Sutcliffe
- Department of Environmental Sciences, Macquarie University, North Ryde, NSW, 2109, Australia
| | - Phillip W Taylor
- Department of Biological Sciences, Macquarie University, North Ryde, NSW, 2109, Australia
| | - Toni A Chapman
- Department of Biological Sciences, Macquarie University, North Ryde, NSW, 2109, Australia.,Biosecurity and Food Safety, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW, 2567, Australia
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12
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Yong HS, Song SL, Eamsobhana P, Pasartvit A, Lim PE. Differential abundance and core members of the bacterial community associated with wild male Zeugodacus cucurbitae fruit flies (Insecta: Tephritidae) from three geographical regions of Southeast Asia. Mol Biol Rep 2019; 46:3765-3776. [PMID: 31012029 DOI: 10.1007/s11033-019-04818-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 04/12/2019] [Indexed: 12/29/2022]
Abstract
Zeugodacus cucurbitae (Coquillet) is one of the most significant and widespread tephritid pest species of agricultural crops. This study reports the bacterial communities associated with Z. cucurbitae from three geographical regions in Southeast Asia (Thailand, Peninsular Malaysia, and Sarawak). The bacterial microbiota were investigated by targeted 16S rRNA gene (V3-V4 region) sequencing using the Illumina Mi-Seq platform. At 97% similarity and filtering at 0.001%, there were seven bacterial phyla and unassigned bacteria, comprising 11 classes, 23 orders, 39 families and 67 genera. The bacterial diversity and richness varied within and among the samples from the three geographical regions. Five phyla were detected for the Sarawak sample, and six each for the Thailand and Peninsular Malaysia samples. Four phyla-Actinobacteria, Bacteroidetes, Firmicutes, and Proteobacteria-were represented in all the fruit fly specimens, forming the core members of the bacterial community. Proteobacteria was the predominant phylum, followed by Bacteroidetes, Firmicutes, and Actinobacteria. Fifty-three genera were represented in the Thailand sample, 56 in the Peninsular Malaysia sample, and 55 in the Sarawak sample. Forty-two genera were present in all the three geographical regions. The predominant core members were order Enterobacteriales (Proeteobacteria), and family Enterobacteriaceae (Enterobacteriales). Klebsiella (Enterobacteriaceae) was the predominant genus and K. oxytoca the predominant species with all specimens having > 10% relative abundance. The results indicate the presence of a great diversity as well as core members of the bacterial community associated with different populations of Z. cucurbitae.
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Affiliation(s)
- Hoi-Sen Yong
- Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Sze-Looi Song
- Institute of Ocean and Earth Sciences, University of Malaya, 50603, Kuala Lumpur, Malaysia. .,China-ASEAN College of Marine Sciences, Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, 43900, Sepang, Selangor, Malaysia.
| | - Praphathip Eamsobhana
- Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Anchana Pasartvit
- Department of Disease Control, Ministry of Public Health, Nonthaburi, Thailand
| | - Phaik-Eem Lim
- Institute of Ocean and Earth Sciences, University of Malaya, 50603, Kuala Lumpur, Malaysia
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13
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Microbiota and potential opportunistic pathogens associated with male and female fruit flies of Malaysian Bactrocera carambolae (Insecta: Tephritidae). Meta Gene 2019. [DOI: 10.1016/j.mgene.2018.12.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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14
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Wenzel MA, Douglas A, Piertney SB. Microbiome composition within a sympatric species complex of intertidal isopods (Jaera albifrons). PLoS One 2018; 13:e0202212. [PMID: 30157257 PMCID: PMC6114722 DOI: 10.1371/journal.pone.0202212] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 07/29/2018] [Indexed: 02/05/2023] Open
Abstract
The increasingly recognised effects of microbiomes on the eco-evolutionary dynamics of their hosts are promoting a view of the "hologenome" as an integral host-symbiont evolutionary entity. For example, sex-ratio distorting reproductive parasites such as Wolbachia are well-studied pivotal drivers of invertebrate reproductive processes, and more recent work is highlighting novel effects of microbiome assemblages on host mating behaviour and developmental incompatibilities that underpin or reinforce reproductive isolation processes. However, examining the hologenome and its eco-evolutionary effects in natural populations is challenging because microbiome composition is considerably influenced by environmental factors. Here we illustrate these challenges in a sympatric species complex of intertidal isopods (Jaera albifrons spp.) with pervasive sex-ratio distortion and ecological and behavioural reproductive isolation mechanisms. We deep-sequence the bacterial 16S rRNA gene among males and females collected in spring and summer from two coasts in north-east Scotland, and examine microbiome composition with a particular focus on reproductive parasites. Microbiomes of all species were diverse (overall 3,317 unique sequences among 3.8 million reads) and comprised mainly Proteobacteria and Bacteroidetes taxa typical of the marine intertidal zone, in particular Vibrio spp. However, we found little evidence of the reproductive parasites Wolbachia, Rickettsia, Spiroplasma and Cardinium, suggesting alternative causes of sex-ratio distortion. Notwithstanding, a significant proportion of the variance in microbiome composition among samples was explained by sex (14.1 %), nested within geographic (26.9 %) and seasonal (39.6 %) variance components. The functional relevance of this sex signal was difficult to ascertain given the absence of reproductive parasites, the ephemeral nature of the species assemblages and substantial environmental variability. These results establish the Jaera albifrons species complex as an intriguing system for examining the effects of microbiomes on reproductive processes and speciation, and highlight the difficulties associated with snapshot assays of microbiome composition in dynamic and complex environments.
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Affiliation(s)
- Marius A. Wenzel
- School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - Alex Douglas
- School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - Stuart B. Piertney
- School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
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15
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Instar- and host-associated differentiation of bacterial communities in the Mediterranean fruit fly Ceratitis capitata. PLoS One 2018. [PMID: 29518170 PMCID: PMC5843337 DOI: 10.1371/journal.pone.0194131] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Microorganisms are acknowledged for their role in shaping insects’ evolution, life history and ecology. Previous studies have shown that microbial communities harbored within insects vary through ontogenetic development and among insects feeding on different host-plant species. In this study, we characterized the bacterial microbiota of the highly polyphagous Mediterranean fruit fly, Ceratitis capitata (Diptera: Tephritidae), at different instars and when feeding on different host-plant species. Our results show that the bacterial microbiota hosted within the Mediterranean fruit fly differs among instars and host-plant species. Most of the bacteria harbored by the Mediterranean fruit fly belong to the phylum Proteobacteria, including genera of Alphaproteobacteria such as Acetobacter and Gluconobacter; Betaprotobacteria such as Burkholderia and Gammaproteobacteria such as Pseudomonas.
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