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Konecka E, Szymkowiak P. Wolbachia supergroup A in Enoplognatha latimana (Araneae: Theridiidae) in Poland as an example of possible horizontal transfer of bacteria. Sci Rep 2024; 14:7486. [PMID: 38553514 PMCID: PMC10980700 DOI: 10.1038/s41598-024-57701-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 03/20/2024] [Indexed: 04/02/2024] Open
Abstract
Wolbachia (phylum Pseudomonadota, class Alfaproteobacteria, order Rickettsiales, family Ehrlichiaceae) is a maternally inherited bacterial symbiont infecting more than half of arthropod species worldwide and constituting an important force in the evolution, biology, and ecology of invertebrate hosts. Our study contributes to the limited knowledge regarding the presence of intracellular symbiotic bacteria in spiders. Specifically, we investigated the occurrence of Wolbachia infection in the spider species Enoplognatha latimana Hippa and Oksala, 1982 (Araneae: Theridiidae) using a sample collected in north-western Poland. To the best of our knowledge, this is the first report of Wolbachia infection in E. latimana. A phylogeny based on the sequence analysis of multiple genes, including 16S rRNA, coxA, fbpA, ftsZ, gatB, gltA, groEL, hcpA, and wsp revealed that Wolbachia from the spider represented supergroup A and was related to bacterial endosymbionts discovered in other spider hosts, as well as insects of the orders Diptera and Hymenoptera. A sequence unique for Wolbachia supergroup A was detected for the ftsZ gene. The sequences of Wolbachia housekeeping genes have been deposited in publicly available databases and are an important source of molecular data for comparative studies. The etiology of Wolbachia infection in E. latimana is discussed.
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Affiliation(s)
- Edyta Konecka
- Department of Microbiology, Faculty of Biology, Adam Mickiewicz University, Poznań, Uniwersytetu Poznańskiego 6, 61-614, Poznań, Poland.
| | - Paweł Szymkowiak
- Department of Animal Taxonomy and Ecology, Faculty of Biology, Adam Mickiewicz University, Poznań, Uniwersytetu Poznańskiego 6, 61-614, Poznań, Poland
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Perlmutter JI, Atadurdyyeva A, Schedl ME, Unckless RL. Wolbachia enhances the survival of Drosophila infected with fungal pathogens. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.30.560320. [PMID: 37873081 PMCID: PMC10592616 DOI: 10.1101/2023.09.30.560320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Wolbachia bacteria of arthropods are at the forefront of basic and translational research on multipartite host-symbiont-pathogen interactions. These microbes are vertically inherited from mother to offspring via the cytoplasm. They are the most widespread endosymbionts on the planet due to their infamous ability to manipulate the reproduction of their hosts to spread themselves in a population, and to provide a variety of fitness benefits to their hosts. Importantly, some strains of Wolbachia can inhibit viral pathogenesis within and between arthropod hosts. Mosquitoes carrying the wMel Wolbachia strain of Drosophila melanogaster have a greatly reduced capacity to spread viruses like dengue and Zika to humans. Therefore, Wolbachia are the basis of several global vector control initiatives. While significant research efforts have focused on viruses, relatively little attention has been given to Wolbachia-fungal interactions despite the ubiquity of fungal entomopathogens in nature. Here, we demonstrate that Wolbachia increase the longevity of their Drosophila melanogaster hosts when challenged with a spectrum of yeast and filamentous fungal pathogens. We find that this pattern can vary based on host genotype, sex, and fungal species. Further, Wolbachia correlates with higher fertility and reduced pathogen titers during initial fungal infection, indicating a significant fitness benefit. This study demonstrates Wolbachia's role in diverse fungal pathogen interactions and determines that the phenotype is broad, but with several variables that influence both the presence and strength of the phenotype. These results enhance our knowledge of the strategies Wolbachia uses that likely contribute to such a high global symbiont prevalence.
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Affiliation(s)
| | - Aylar Atadurdyyeva
- Department of Molecular Biosciences, University of Kansas, Lawrence, Kansas, USA
| | - Margaret E. Schedl
- Department of Molecular Biosciences, University of Kansas, Lawrence, Kansas, USA
| | - Robert L. Unckless
- Department of Molecular Biosciences, University of Kansas, Lawrence, Kansas, USA
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Guo Y, Shao J, Wu Y, Li Y. Using Wolbachia to control rice planthopper populations: progress and challenges. Front Microbiol 2023; 14:1244239. [PMID: 37779725 PMCID: PMC10537216 DOI: 10.3389/fmicb.2023.1244239] [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: 06/22/2023] [Accepted: 08/24/2023] [Indexed: 10/03/2023] Open
Abstract
Wolbachia have been developed as a tool for protecting humans from mosquito populations and mosquito-borne diseases. The success of using Wolbachia relies on the facts that Wolbachia are maternally transmitted and that Wolbachia-induced cytoplasmic incompatibility provides a selective advantage to infected over uninfected females, ensuring that Wolbachia rapidly spread through the target pest population. Most transinfected Wolbachia exhibit a strong antiviral response in novel hosts, thus making it an extremely efficient technique. Although Wolbachia has only been used to control mosquitoes so far, great progress has been made in developing Wolbachia-based approaches to protect plants from rice pests and their associated diseases. Here, we synthesize the current knowledge about the important phenotypic effects of Wolbachia used to control mosquito populations and the literature on the interactions between Wolbachia and rice pest planthoppers. Our aim is to link findings from Wolbachia-mediated mosquito control programs to possible applications in planthoppers.
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Affiliation(s)
| | | | | | - Yifeng Li
- Guangdong Provincial Key Laboratory of High Technology for Plant Protection, Institute of Plant Protection, Guangdong Academy of Agricultural Sciences, Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China Ministry of Agriculture and Rural Affairs, Guangzhou, China
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Vinayagam S, Nirmolia T, Chetry S, Kumar NP, Saini P, Bhattacharyya DR, Bhowmick IP, Sattu K, Patgiri SJ. Molecular Evidence of Wolbachia Species in Wild-Caught Aedes albopictus and Aedes aegypti Mosquitoes in Four States of Northeast India. J Trop Med 2023; 2023:6678627. [PMID: 37706052 PMCID: PMC10497363 DOI: 10.1155/2023/6678627] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/17/2023] [Accepted: 08/25/2023] [Indexed: 09/15/2023] Open
Abstract
Wolbachia, a Gram-negative intracellular bacterium, naturally infects many arthropods, including mosquito vectors responsible for the spread of arboviral diseases such as Zika, chikungunya, and dengue fever. Certain Wolbachia strains are involved in inhibiting arbovirus replication in mosquitoes, and this phenomenon is currently being studied to combat disease vectors. A study was conducted in four states in north-eastern India to investigate the presence of natural Wolbachia infection in wild-caught Aedes albopictus and Aedes aegypti mosquitoes, the established vectors of dengue. The detection of a Wolbachia infection was confirmed by nested PCR and sequencing in the two mosquito species Ae. aegypti and Ae. albopictus. Positivity rates observed in Ae. aegypti and Ae. albopictus pools were 38% (44 of 115) and 85% (41 of 48), respectively, and the difference was significant (chi-square = 28.3174, p = 0.00000010). Sequencing revealed that all detected Wolbachia strains belonged to supergroup B. Although Wolbachia infection in Ae. aegypti has been previously reported from India, no such reports are available from north-eastern India. Data on naturally occurring Wolbachia strains are essential for selecting the optimal strain for the development of Wolbachia-based control measures. This information will be helpful for the future application of Wolbachia-based vector control measures in this part of the country.
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Affiliation(s)
- Sathishkumar Vinayagam
- ICMR-Regional Medical Research Centre North East Region, Dibrugarh, Assam 786010, India
- Periyar University, Centre for PG & Research Studies, Dharmapuri 635205, India
| | - Tulika Nirmolia
- ICMR-Regional Medical Research Centre North East Region, Dibrugarh, Assam 786010, India
| | - Sumi Chetry
- ICMR-Regional Medical Research Centre North East Region, Dibrugarh, Assam 786010, India
| | | | - Prasanta Saini
- ICMR-Vector Control Research Centre, Puducherry 605006, India
| | | | - Ipsita Pal Bhowmick
- ICMR-Regional Medical Research Centre North East Region, Dibrugarh, Assam 786010, India
| | - Kamaraj Sattu
- Periyar University, Centre for PG & Research Studies, Dharmapuri 635205, India
| | - Saurav Jyoti Patgiri
- ICMR-Regional Medical Research Centre North East Region, Dibrugarh, Assam 786010, India
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Chao LL, Shih CM. First Detection and Genetic Identification of Wolbachia Endosymbiont in Field-Caught Aedes aegypti (Diptera: Culicidae) Mosquitoes Collected from Southern Taiwan. Microorganisms 2023; 11:1911. [PMID: 37630471 PMCID: PMC10459532 DOI: 10.3390/microorganisms11081911] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/25/2023] [Accepted: 07/25/2023] [Indexed: 08/27/2023] Open
Abstract
The prevalence and genetic character of Wolbachia endosymbionts in field-collected Aedes aegypti mosquitoes were examined for the first time in Taiwan. A total of 665 Ae. aegypti were screened for Wolbachia infection using a PCR assay targeting the Wolbachia surface protein (wsp) gene. In general, the prevalence of Wolbachia infection was detected in 3.3% Ae. aegypti specimens (2.0% female and 5.2% male). Group-specific Wolbachia infection was detected with an infection rate of 1.8%, 0.8% and 0.8% in groups A, B and A&B, respectively. Genetic analysis demonstrated that all Wolbachia strains from Taiwan were phylogenetically affiliated with Wolbachia belonging to the supergroups A and B, with high sequence similarities of 99.4-100% and 99.2-100%, respectively. Phylogenetic relationships can be easily distinguished by maximum likelihood (ML) analysis and were congruent with the unweighted pair group with the arithmetic mean (UPGMA) method. The intra- and inter-group analysis of genetic distance (GD) values revealed a lower level within the Taiwan strains (GD < 0.006 for group A and GD < 0.008 for group B) and a higher level (GD > 0.498 for group A and GD > 0.286 for group B) as compared with other Wolbachia strains. Our results describe the first detection and molecular identification of Wolbachia endosymbiont in field-caught Ae. aegypti mosquitoes collected from Taiwan, and showed a low Wolbachia infection rate belonging to supergroups A and B in Ae. aegypti mosquitoes.
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Affiliation(s)
- Li-Lian Chao
- Program in Tropical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
| | - Chien-Ming Shih
- Program in Tropical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
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Rodrigues J, Lefoulon E, Gavotte L, Perillat-Sanguinet M, Makepeace B, Martin C, D'Haese CA. Wolbachia springs eternal: symbiosis in Collembola is associated with host ecology. ROYAL SOCIETY OPEN SCIENCE 2023; 10:230288. [PMID: 37266040 PMCID: PMC10230187 DOI: 10.1098/rsos.230288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 04/28/2023] [Indexed: 06/03/2023]
Abstract
Wolbachia are endosymbiotic alpha-proteobacteria infecting a wide range of arthropods and nematode hosts with diverse interactions, from reproductive parasites to obligate mutualists. Their taxonomy is defined by lineages called supergroups (labelled by letters of the alphabet), while their evolutionary history is complex, with multiple horizontal transfers and secondary losses. One of the least recently derived, supergroup E, infects springtails (Collembola), widely distributed hexapods, with sexual and/or parthenogenetic populations depending on species. To better characterize the diversity of Wolbachia infecting springtails, the presence of Wolbachia was screened in 58 species. Eleven (20%) species were found to be positive, with three Wolbachia genotypes identified for the first time in supergroup A. The novel genotypes infect springtails ecologically and biologically different from those infected by supergroup E. To root the Wolbachia phylogeny, rather than distant other Rickettsiales, supergroup L infecting plant-parasitic nematodes was used here. We hypothesize that the ancestor of Wolbachia was consumed by soil-dwelling nematodes, and was transferred horizontally via plants into aphids, which then infected edaphic arthropods (e.g. springtails and oribatid mites) before expanding into most clades of terrestrial arthropods and filarial nematodes.
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Affiliation(s)
- Jules Rodrigues
- UMR7245, MCAM, Museum national d'Histoire naturelle, Paris, France
| | - Emilie Lefoulon
- School of Animal and Comparative Biomedical Sciences, University of Arizona, Tucson, AZ, USA
| | | | | | - Benjamin Makepeace
- Institute of Infection and Global Health, University of Liverpool, Liverpool, UK
| | - Coralie Martin
- UMR7245, MCAM, Museum national d'Histoire naturelle, Paris, France
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Remmal I, Bel Mokhtar N, Maurady A, Reda Britel M, El Fakhouri K, Asimakis E, Tsiamis G, Stathopoulou P. Characterization of the Bacterial Microbiome in Natural Populations of Barley Stem Gall Midge, Mayetiola hordei, in Morocco. Microorganisms 2023; 11:microorganisms11030797. [PMID: 36985370 PMCID: PMC10051481 DOI: 10.3390/microorganisms11030797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/13/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Mayetiola hordei (Kieffer), known as barley stem gall midge, is one of the most destructive barley pests in many areas around the world, inflicting significant qualitative and quantitative damage to crop production. In this study, we investigate the presence of reproductive symbionts, the effect of geographical origin on the bacterial microbiome's structure, and the diversity associated with natural populations of M. hordei located in four barley-producing areas in Morocco. Wolbachia infection was discovered in 9% of the natural populations using a precise 16S rDNA PCR assay. High-throughput sequencing of the V3-V4 region of the bacterial 16S rRNA gene indicated that the native environments of samples had a substantial environmental impact on the microbiota taxonomic assortment. Briefly, 5 phyla, 7 classes, and 42 genera were identified across all the samples. To our knowledge, this is the first report on the bacterial composition of M. hordei natural populations. The presence of Wolbachia infection may assist in the diagnosis of ideal natural populations, providing a new insight into the employment of Wolbachia in the control of barley midge populations, in the context of the sterile insect technique or other biological control methods.
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Affiliation(s)
- Imane Remmal
- Laboratory of Innovative Technologies, National School of Applied Sciences of Tangier, Abdelmalek Essaâdi University, BP 1818 Tanger Principal, Tanger 90000, Morocco
- Faculty of Sciences and Technology of Tangier, Abdelmalek Essâadi University, Tétouan 93000, Morocco
| | - Naima Bel Mokhtar
- Laboratory of Innovative Technologies, National School of Applied Sciences of Tangier, Abdelmalek Essaâdi University, BP 1818 Tanger Principal, Tanger 90000, Morocco
- Laboratory of Systems Microbiology and Applied Genomics, Department of Sustainable Agriculture, University of Patras, 30100 Agrinio, Greece
| | - Amal Maurady
- Laboratory of Innovative Technologies, National School of Applied Sciences of Tangier, Abdelmalek Essaâdi University, BP 1818 Tanger Principal, Tanger 90000, Morocco
- Faculty of Sciences and Technology of Tangier, Abdelmalek Essâadi University, Tétouan 93000, Morocco
| | - Mohammed Reda Britel
- Laboratory of Innovative Technologies, National School of Applied Sciences of Tangier, Abdelmalek Essaâdi University, BP 1818 Tanger Principal, Tanger 90000, Morocco
| | - Karim El Fakhouri
- AgroBioSciences Program, College for Sustainable Agriculture and Environmental Science, Mohammed VI Polytechnic University, Lot 660, Hay Moulay Rachid, Ben Guerir 43150, Morocco
| | - Elias Asimakis
- Laboratory of Systems Microbiology and Applied Genomics, Department of Sustainable Agriculture, University of Patras, 30100 Agrinio, Greece
| | - George Tsiamis
- Laboratory of Systems Microbiology and Applied Genomics, Department of Sustainable Agriculture, University of Patras, 30100 Agrinio, Greece
| | - Panagiota Stathopoulou
- Laboratory of Systems Microbiology and Applied Genomics, Department of Sustainable Agriculture, University of Patras, 30100 Agrinio, Greece
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Zhang H, Gao J, Ma Z, Liu Y, Wang G, Liu Q, Du Y, Xing D, Li C, Zhao T, Jiang Y, Dong Y, Guo X, Zhao T. Wolbachia infection in field-collected Aedes aegypti in Yunnan Province, southwestern China. Front Cell Infect Microbiol 2022; 12:1082809. [PMID: 36530420 PMCID: PMC9748079 DOI: 10.3389/fcimb.2022.1082809] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 11/10/2022] [Indexed: 12/02/2022] Open
Abstract
Background Wolbachia is gram-negative and common intracellular bacteria, which is maternally inherited endosymbionts and could expand their propagation in host populations by means of various manipulations. Recent reports reveal the natural infection of Wolbachia in Aedes Aegypti in Malaysia, India, Philippines, Thailand and the United States. At present, none of Wolbachia natural infection in Ae. aegypti has been reported in China. Methods A total of 480 Ae. aegypti adult mosquitoes were collected from October and November 2018 based on the results of previous investigations and the distribution of Ae. aegypti in Yunnan. Each individual sample was processed and screened for the presence of Wolbachia by PCR with wsp primers. Phylogenetic trees for the wsp gene was constructed using the neighbour-joining method with 1,000 bootstrap replicates, and the p-distance distribution model of molecular evolution was applied. Results 24 individual adult mosquito samples and 10 sample sites were positive for Wolbachia infection. The Wolbachia infection rate (IR) of each population ranged from 0 - 41.7%. The infection rate of group A alone was 0%-10%, the infection rate of group B alone was 0%-7.7%, and the infection rate of co-infection with A and B was 0-33.3%. Conclusions Wolbachia infection in wild Ae. aegypti in China is the first report based on PCR amplification of the Wolbachia wsp gene. The Wolbachia infection is 5%, and the wAlbA and wAlbB strains were found to be prevalent in the natural population of Ae. aegypti in Yunnan Province.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - XiaoXia Guo
- *Correspondence: XiaoXia Guo, ; TongYan Zhao,
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Conjard S, Meyer DF, Aprelon R, Pagès N, Gros O. Evidence of new strains of Wolbachia symbiont colonising semiaquatic bugs (Hemiptera: Gerroidea) in mangrove environment of the Lesser Antilles. PLoS One 2022; 17:e0273668. [PMID: 36040904 PMCID: PMC9426913 DOI: 10.1371/journal.pone.0273668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 08/12/2022] [Indexed: 11/19/2022] Open
Abstract
Wolbachia Hertig, 1936 is an intracellular bacterial symbiont colonizing many arthropods. Of the studies done on the bacteria present in the superfamily Gerroidea Leach, 1815, no report of Wolbachia infection had yet been made. Thus, we checked the presence of Wolbachia in six Gerroidea species which colonize tropical aquatic environments by PCR using wsp primer set before sequencing and phylogenetic analyses. Insects were collected in the marine fringe of mangroves, in river estuaries, in swampy mangroves, and in ponds from Guadeloupe islands (Caribbean). Two new strains of Wolbachia were detected in these Gerroidea. They were named wLfran and wRmang. The wsp sequences suggest that the strains belong to the already described E supergroup or similar. wLfran is present in Limnogonus franciscanus Stål, 1859 and Rheumatobates trinitatis (China, 1943) while wRmang appears to be present exclusively in R. mangrovensis (China, 1943). Three other species were analysed, but did not appear to be infected: Brachymetra albinerva (Amyot & Serville, 1843), Halobates micans Eschscheltz, 1822, and Microvelia pulchella Westwood, 1834. The results presented here highlight for the first time the presence of new intracellular Wolbachia strains in Gerroidea colonising tropical aquatic environments like mangrove habitats from inlands to sea shore.
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Affiliation(s)
- Suzanne Conjard
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles Pointe-à-Pitre, Guadeloupe, France
- * E-mail: (SC); (DFM)
| | - Damien F. Meyer
- CIRAD, UMR ASTRE, Petit-Bourg, Guadeloupe, France
- ASTRE, Université Montpellier, CIRAD, INRA, Montpellier, France
- * E-mail: (SC); (DFM)
| | - Rosalie Aprelon
- CIRAD, UMR ASTRE, Petit-Bourg, Guadeloupe, France
- ASTRE, Université Montpellier, CIRAD, INRA, Montpellier, France
| | - Nonito Pagès
- CIRAD, UMR ASTRE, Petit-Bourg, Guadeloupe, France
- ASTRE, Université Montpellier, CIRAD, INRA, Montpellier, France
| | - Olivier Gros
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles Pointe-à-Pitre, Guadeloupe, France
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Zhao Z, Zhu J, Hoffmann AA, Cao L, Shen L, Fang J, Ma S, Liu Q, Yu W, Tang L, Wang Y, Jiang W. Horizontal transmission and recombination of Wolbachia in the butterfly tribe Aeromachini Tutt, 1906 (Lepidoptera: Hesperiidae). G3-GENES GENOMES GENETICS 2021; 11:6312560. [PMID: 34544126 PMCID: PMC8496314 DOI: 10.1093/g3journal/jkab221] [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: 03/23/2021] [Accepted: 06/28/2021] [Indexed: 11/19/2022]
Abstract
Wolbachia is arguably one of the most ubiquitous heritable symbionts among insects and understanding its transmission dynamics is crucial for understanding why it is so common. While previous research has studied the transmission pathways of Wolbachia in several insect lineages including Lepidoptera, this study takes advantage of data collected from the lepidopteran tribe Aeromachini in an effort to assess patterns of transmission. Twenty-one of the 46 species of Aeromachini species were infected with Wolbachia. Overall, 25% (31/125) of Aeromachini specimens tested were Wolbachia positive. All Wolbachia strains were species-specific except for the wJho strain which appeared to be shared by three host species with a sympatric distribution based on a cophylogenetic comparison between Wolbachia and the Aeromachini species. Two tests of phylogenetic congruence did not find any evidence for cospeciation between Wolbachia strains and their butterfly hosts. The cophylogenetic comparison, divergence time estimation, and Wolbachia recombination analysis revealed that Wolbachia acquisition in Aeromachini appears to have mainly occurred mainly through horizontal transmission rather than codivergence.
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Affiliation(s)
- Zimiao Zhao
- Laboratory of Environmental Entomology, College of Life Sciences, Shanghai Normal University, Shanghai 200234, People's Republic of China
| | - Jianqing Zhu
- Shanghai Zoological Park, Shanghai 200335, People's Republic of China
| | - Ary A Hoffmann
- School of BioSciences, Bio21 Institute, The University of Melbourne, Parkville, VIC 3052, Australia
| | - Lijun Cao
- Institute of Plant and Environmental Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, People's Republic of China
| | - Li Shen
- Laboratory of Environmental Entomology, College of Life Sciences, Shanghai Normal University, Shanghai 200234, People's Republic of China
| | - Jie Fang
- Laboratory of Environmental Entomology, College of Life Sciences, Shanghai Normal University, Shanghai 200234, People's Republic of China
| | - Shuojia Ma
- Laboratory of Environmental Entomology, College of Life Sciences, Shanghai Normal University, Shanghai 200234, People's Republic of China
| | - Qunxiu Liu
- Shanghai Zoological Park, Shanghai 200335, People's Republic of China
| | - Weidong Yu
- Laboratory of Environmental Entomology, College of Life Sciences, Shanghai Normal University, Shanghai 200234, People's Republic of China
| | - Liying Tang
- Laboratory of Environmental Entomology, College of Life Sciences, Shanghai Normal University, Shanghai 200234, People's Republic of China
| | - Yongqiang Wang
- Laboratory of Environmental Entomology, College of Life Sciences, Shanghai Normal University, Shanghai 200234, People's Republic of China
| | - Weibin Jiang
- Laboratory of Environmental Entomology, College of Life Sciences, Shanghai Normal University, Shanghai 200234, People's Republic of China
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Manoj RRS, Latrofa MS, Epis S, Otranto D. Wolbachia: endosymbiont of onchocercid nematodes and their vectors. Parasit Vectors 2021; 14:245. [PMID: 33962669 PMCID: PMC8105934 DOI: 10.1186/s13071-021-04742-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 04/23/2021] [Indexed: 12/19/2022] Open
Abstract
Background Wolbachia is an obligate intracellular maternally transmitted, gram-negative bacterium which forms a spectrum of endosymbiotic relationships from parasitism to obligatory mutualism in a wide range of arthropods and onchocercid nematodes, respectively. In arthropods Wolbachia produces reproductive manipulations such as male killing, feminization, parthenogenesis and cytoplasmic incompatibility for its propagation and provides an additional fitness benefit for the host to protect against pathogens, whilst in onchocercid nematodes, apart from the mutual metabolic dependence, this bacterium is involved in moulting, embryogenesis, growth and survival of the host. Methods This review details the molecular data of Wolbachia and its effect on host biology, immunity, ecology and evolution, reproduction, endosymbiont-based treatment and control strategies exploited for filariasis. Relevant peer-reviewed scientic papers available in various authenticated scientific data bases were considered while writing the review. Conclusions The information presented provides an overview on Wolbachia biology and its use in the control and/or treatment of vectors, onchocercid nematodes and viral diseases of medical and veterinary importance. This offers the development of new approaches for the control of a variety of vector-borne diseases. Graphic Abstract ![]()
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Affiliation(s)
| | | | - Sara Epis
- Department of Biosciences and Pediatric CRC 'Romeo Ed Enrica Invernizzi', University of Milan, Milan, Italy
| | - Domenico Otranto
- Department of Veterinary Medicine, University of Bari, Valenzano, Italy. .,Faculty of Veterinary Sciences, Bu-Ali Sina University, Hamedan, Iran.
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Shih CM, Ophine L, Chao LL. Molecular Detection and Genetic Identification of Wolbachia Endosymbiont in Wild-Caught Culex quinquefasciatus (Diptera: Culicidae) Mosquitoes from Sumatera Utara, Indonesia. MICROBIAL ECOLOGY 2021; 81:1064-1074. [PMID: 33399931 DOI: 10.1007/s00248-020-01655-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 12/01/2020] [Indexed: 06/12/2023]
Abstract
The genetic identity of Wolbachia endosymbiont in wild-caught Culex quinquefasciatus was determined for the first time in Indonesia. A total of 314 Cx. quinquefasciatus were examined for Wolbachia by PCR assay targeting the Wolbachia surface protein (wsp) gene. The prevalence of Wolbachia infection was detected in 29.94% of Cx. specimens (45.86% female and 8.27% male). The group-specific infection was detected with an infection rate of 0.32%, 28.98%, and 0.64% in groups A, B, and A&B, respectively. Phylogenetic analysis revealed all Wolbachia strains from Indonesia were genetically affiliated to the supergroup A and B with the high sequence similarity of 97.9-100% and 99.7-100%, respectively. Phylogenetic relationships can be easily distinguished by neighbor-joining analysis and were congruent by maximum likelihood method. The genetic distance (GD) values of intra- and inter-group analysis indicated a lower level (GD < 0.007 for group A and GD < 0.003 for group B) within the Indonesia strains and a higher level (GD > 1.125 for group A and GD > 1.129 for group B) as compared with other Wolbachia strains. Our results provide the first genetic identification of Wolbachia endosymbiont in Cx. quinquefasciatus collected from Indonesia, and the phylogenetic analysis revealed a new discovery of group A Wolbachia in wild-caught Cx. quinquefasciatus mosquitoes.
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Affiliation(s)
- Chien-Ming Shih
- M.Sc. Program in Tropical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, Republic of China
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, Republic of China
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan, Republic of China
| | - Lely Ophine
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, Republic of China
| | - Li-Lian Chao
- M.Sc. Program in Tropical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, Republic of China.
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, Republic of China.
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13
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Wolfe TM, Bruzzese DJ, Klasson L, Corretto E, Lečić S, Stauffer C, Feder JL, Schuler H. Comparative genome sequencing reveals insights into the dynamics of Wolbachia in native and invasive cherry fruit flies. Mol Ecol 2021; 30:6259-6272. [PMID: 33882628 PMCID: PMC9290052 DOI: 10.1111/mec.15923] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 03/21/2021] [Accepted: 04/06/2021] [Indexed: 12/13/2022]
Abstract
Wolbachia is a maternally inherited obligate endosymbiont that can induce a wide spectrum of effects in its host, ranging from mutualism to reproductive parasitism. At the genomic level, recombination within and between strains, transposable elements, and horizontal transfer of strains between host species make Wolbachia an evolutionarily dynamic bacterial system. The invasive cherry fruit fly Rhagoletis cingulata arrived in Europe from North America ~40 years ago, where it now co‐occurs with the native cherry pest R. cerasi. This shared distribution has been proposed to have led to the horizontal transfer of different Wolbachia strains between the two species. To better understand transmission dynamics, we performed a comparative genome study of the strain wCin2 in its native United States and invasive European populations of R. cingulata with wCer2 in European R. cerasi. Previous multilocus sequence genotyping (MLST) of six genes implied that the source of wCer2 in R. cerasi was wCin2 from R. cingulata. However, we report genomic evidence discounting the recent horizontal transfer hypothesis for the origin of wCer2. Despite near identical sequences for the MLST markers, substantial sequence differences for other loci were found between wCer2 and wCin2, as well as structural rearrangements, and differences in prophage, repetitive element, gene content, and cytoplasmic incompatibility inducing genes. Our study highlights the need for whole‐genome sequencing rather than relying on MLST markers for resolving Wolbachia strains and assessing their evolutionary dynamics.
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Affiliation(s)
- Thomas M Wolfe
- Department of Forest and Soil Sciences, Boku, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Daniel J Bruzzese
- Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana, USA
| | - Lisa Klasson
- Molecular Evolution, Department of Cell and Molecular Biology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Erika Corretto
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Bozen-Bolzano, Italy
| | - Sonja Lečić
- Department of Evolutionary Biology, Ludwig-Maximilians University, Munich, Germany
| | - Christian Stauffer
- Department of Forest and Soil Sciences, Boku, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Jeffrey L Feder
- Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana, USA
| | - Hannes Schuler
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Bozen-Bolzano, Italy.,Competence Centre for Plant Health, Free University of Bozen-Bolzano, Bozen-Bolzano, Italy
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14
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Shemshadian A, Vatandoost H, Oshaghi MA, Abai MR, Djadid ND, karimian F. Relationship between Wolbachia infection in Culex quinquefasciatus and its resistance to insecticide. Heliyon 2021; 7:e06749. [PMID: 33912718 PMCID: PMC8065290 DOI: 10.1016/j.heliyon.2021.e06749] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/23/2020] [Accepted: 04/02/2021] [Indexed: 11/19/2022] Open
Abstract
Many studies have been done on the various factors affecting resistance to insecticides. The relationship between Wolbachia bacteria and resistance to insecticides is one of the factors that has attracted a lot of attentions. Wolbachia are obligatory intracellular endosymbionts that naturally occur in a wide range of arthropods and nematodes, including the mosquito Culex quinquefasciatus. Initially, the presence of bacteria was proved by molecular assays. Then the resistance level of this species was evaluated in adults against DDT 4.0% and deltamethrin 0.05% using the standard WHO guideline. After elimination of Wolbachia by tetracycline and its proof by molecular assays, the susceptibility tests were conducted again on uninfected line. Finally, the two lines were compared in terms of responding to insecticides. The findings indicated that there is no significant correlation between susceptibility of two lines in response to DDT 4.0% while they represented a significant correlation for deltamethrin (P =0.00). We propose that Wolbachia bacteria increase the susceptibility to deltamethrin but they show neutral effect on DDT susceptibility in Cx. quinquefasciatus. However, more studies on other vectors and insecticides still need to be done.
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Affiliation(s)
- Atieh Shemshadian
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Hassan Vatandoost
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Department of Chemical Pollutants and Pesticides, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Ali Oshaghi
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Abai
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Navid Dinparast Djadid
- Malaria and Vector Research Group, Biotechnology Research Center (BRC), Pasteur Institute of Iran, Tehran, Iran
| | - Fateh karimian
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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15
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Inácio da Silva LM, Dezordi FZ, Paiva MHS, Wallau GL. Systematic Review of Wolbachia Symbiont Detection in Mosquitoes: An Entangled Topic about Methodological Power and True Symbiosis. Pathogens 2021; 10:39. [PMID: 33419044 PMCID: PMC7825316 DOI: 10.3390/pathogens10010039] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/29/2020] [Accepted: 01/04/2021] [Indexed: 12/14/2022] Open
Abstract
Wolbachia is an endosymbiotic bacterium that naturally infects several arthropods and nematode species. Wolbachia gained particular attention due to its impact on their host fitness and the capacity of specific Wolbachia strains in reducing pathogen vector and agricultural pest populations and pathogens transmission. Despite the success of mosquito/pathogen control programs using Wolbachia-infected mosquito release, little is known about the abundance and distribution of Wolbachia in most mosquito species, a crucial knowledge for planning and deployment of mosquito control programs and that can further improve our basic biology understanding of Wolbachia and host relationships. In this systematic review, Wolbachia was detected in only 30% of the mosquito species investigated. Fourteen percent of the species were considered positive by some studies and negative by others in different geographical regions, suggesting a variable infection rate and/or limitations of the Wolbachia detection methods employed. Eighty-three percent of the studies screened Wolbachia with only one technique. Our findings highlight that the assessment of Wolbachia using a single approach limited the inference of true Wolbachia infection in most of the studied species and that researchers should carefully choose complementary methodologies and consider different Wolbachia-mosquito population dynamics that may be a source of bias to ascertain the correct infectious status of the host species.
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Affiliation(s)
- Luísa Maria Inácio da Silva
- Departamento de Entomologia, Instituto Aggeu Magalhães (IAM), Fundação Oswaldo Cruz (FIOCRUZ), Av. Professor Moraes Rego, s/n, Campus da UFPE, Cidade Universitária, Recife 50740-465, Brazil; (L.M.I.d.S.); (F.Z.D.)
| | - Filipe Zimmer Dezordi
- Departamento de Entomologia, Instituto Aggeu Magalhães (IAM), Fundação Oswaldo Cruz (FIOCRUZ), Av. Professor Moraes Rego, s/n, Campus da UFPE, Cidade Universitária, Recife 50740-465, Brazil; (L.M.I.d.S.); (F.Z.D.)
- Núcleo de Bioinformática (NBI), Instituto Aggeu Magalhães (IAM), Fundação Oswaldo Cruz (FIOCRUZ), Recife 50670-420, Brazil
| | - Marcelo Henrique Santos Paiva
- Departamento de Entomologia, Instituto Aggeu Magalhães (IAM), Fundação Oswaldo Cruz (FIOCRUZ), Av. Professor Moraes Rego, s/n, Campus da UFPE, Cidade Universitária, Recife 50740-465, Brazil; (L.M.I.d.S.); (F.Z.D.)
- Núcleo de Ciências da Vida, Universidade Federal de Pernambuco (UFPE), Centro Acadêmico do Agreste-Rodovia BR-104, km 59-Nova Caruaru, Caruaru 55002-970, Brazil
| | - Gabriel Luz Wallau
- Departamento de Entomologia, Instituto Aggeu Magalhães (IAM), Fundação Oswaldo Cruz (FIOCRUZ), Av. Professor Moraes Rego, s/n, Campus da UFPE, Cidade Universitária, Recife 50740-465, Brazil; (L.M.I.d.S.); (F.Z.D.)
- Núcleo de Bioinformática (NBI), Instituto Aggeu Magalhães (IAM), Fundação Oswaldo Cruz (FIOCRUZ), Recife 50670-420, Brazil
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16
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Chao LL, Castillo CT, Shih CM. Molecular detection and genetic identification of Wolbachia endosymbiont in Rhipicephalus sanguineus (Acari: Ixodidae) ticks of Taiwan. EXPERIMENTAL & APPLIED ACAROLOGY 2021; 83:115-130. [PMID: 33196908 DOI: 10.1007/s10493-020-00574-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 11/11/2020] [Indexed: 06/11/2023]
Abstract
The genetic identity of Wolbachia endosymbiont in Rhipicephalus sanguineus ticks was determined for the first time in Taiwan. In total 1004 Rh. sanguineus ticks were examined for Wolbachia by polymerase chain reaction assay targeting the Wolbachia surface protein (wsp) gene. The prevalence of Wolbachia infection was detected in nymphs, females, and males with an infection rate of 55.8, 39.8, and 44%, respectively. The phylogenetic relationships were analyzed by comparing the sequences of wsp gene obtained from 60 strains of Wolbachia representing 11 strains of supergroup A and 10 strains of supergroup B. In general, seven major clades of supergroup A and six major clades of supergroup B can be easily distinguished by neighbour-joining analysis and were congruent by maximum likelihood method. All these Wolbachia strains of Taiwan were genetically affiliated to supergroups A and B with high sequence similarity of 98.3-100% and 98.6-100%, respectively. Intra- and inter-group analysis based on the genetic distance (GD) values indicated a lower level (GD < 0.017) within the group A strains of Taiwan compared with the group B (GD > 0.576) of other Wolbachia strains, as well as a lower level (GD < 0.062) within the group B strains of Taiwan compared with the group A (GD > 0.246) of other Wolbachia strains. Our results provide the first genetic identification of Wolbachia endosymbiont in Rh. sanguineus ticks collected from Taiwan, and detection of Wolbachia in male and nymphal ticks may imply the possible mechanism of transstadial transmission in Rh. sanguineus ticks.
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Affiliation(s)
- Li-Lian Chao
- M.Sc. Program in Tropical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan, Republic of China
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, Republic of China
| | - Chantel Tamar Castillo
- M.Sc. Program in Tropical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan, Republic of China
| | - Chien-Ming Shih
- M.Sc. Program in Tropical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan, Republic of China.
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, Republic of China.
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan, Republic of China.
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17
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Shropshire JD, Leigh B, Bordenstein SR. Symbiont-mediated cytoplasmic incompatibility: what have we learned in 50 years? eLife 2020; 9:61989. [PMID: 32975515 PMCID: PMC7518888 DOI: 10.7554/elife.61989] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 09/14/2020] [Indexed: 12/12/2022] Open
Abstract
Cytoplasmic incompatibility (CI) is the most common symbiont-induced reproductive manipulation. Specifically, symbiont-induced sperm modifications cause catastrophic mitotic defects in the fertilized embryo and ensuing lethality in crosses between symbiotic males and either aposymbiotic females or females harboring a different symbiont strain. However, if the female carries the same symbiont strain, then embryos develop properly, thereby imparting a relative fitness benefit to symbiont-transmitting mothers. Thus, CI drives maternally-transmitted bacteria to high frequencies in arthropods worldwide. In the past two decades, CI experienced a boom in interest due to its (i) deployment in worldwide efforts to curb mosquito-borne diseases, (ii) causation by bacteriophage genes, cifA and cifB, that modify sexual reproduction, and (iii) important impacts on arthropod speciation. This review serves as a gateway to experimental, conceptual, and quantitative themes of CI and outlines significant gaps in understanding CI’s mechanism that are ripe for investigation from diverse subdisciplines in the life sciences.
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Affiliation(s)
- J Dylan Shropshire
- Department of Biological Sciences, Vanderbilt University, Nashville, United States.,Vanderbilt Microbiome Initiative, Vanderbilt University, Nashville, United States
| | - Brittany Leigh
- Department of Biological Sciences, Vanderbilt University, Nashville, United States.,Vanderbilt Microbiome Initiative, Vanderbilt University, Nashville, United States
| | - Seth R Bordenstein
- Department of Biological Sciences, Vanderbilt University, Nashville, United States.,Vanderbilt Microbiome Initiative, Vanderbilt University, Nashville, United States.,Department of Pathology, Microbiology, and Immunology, Vanderbilt University, Nashville, United States.,Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, United States
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18
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Phylogeny and Density Dynamics of Wolbachia Infection of the Health Pest Paederus fuscipes Curtis (Coleoptera: Staphylinidae). INSECTS 2020; 11:insects11090625. [PMID: 32932887 PMCID: PMC7564247 DOI: 10.3390/insects11090625] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/08/2020] [Accepted: 09/08/2020] [Indexed: 11/16/2022]
Abstract
The maternally inherited obligate intracellular bacteria Wolbachia infects the reproductive tissues of a wide range of arthropods and affects host reproduction. Wolbachia is a credible biocontrol agent for reducing the impact of diseases associated with arthropod vectors. Paederus fuscipes is a small staphylinid beetle that causes dermatitis linearis and conjunctivitis in humans when they come into contact with skin. Wolbachia occur in this beetle, but their relatedness to other Wolbachia, their infection dynamics, and their potential host effects remain unknown. In this study, we report the phylogenetic position and density dynamics of Wolbachia in P. fuscipes. The phylogeny of Wolbachia based on an analysis of MLST genotyping showed that the bacteria from P. fuscipes belong to supergroup B. Quantitative PCR indicated that the infection density in adults was higher than in any other life stage (egg, larva or pupa), and that reproductive tissue in adults had the highest infection densities, with similar densities in the sexes. These findings provide a starting point for understanding the Wolbachia infection dynamics in P. fuscipes, and interactions with other components of the microbiota.
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19
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Lefoulon E, Clark T, Borveto F, Perriat-Sanguinet M, Moulia C, Slatko BE, Gavotte L. Pseudoscorpion Wolbachia symbionts: diversity and evidence for a new supergroup S. BMC Microbiol 2020; 20:188. [PMID: 32605600 PMCID: PMC7325362 DOI: 10.1186/s12866-020-01863-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 06/18/2020] [Indexed: 11/29/2022] Open
Abstract
Background Wolbachia are the most widely spread endosymbiotic bacteria, present in a wide variety of insects and two families of nematodes. As of now, however, relatively little genomic data has been available. The Wolbachia symbiont can be parasitic, as described for many arthropod systems, an obligate mutualist, as in filarial nematodes or a combination of both in some organisms. They are currently classified into 16 monophyletic lineage groups (“supergroups”). Although the nature of these symbioses remains largely unknown, expanded Wolbachia genomic data will contribute to understanding their diverse symbiotic mechanisms and evolution. Results This report focuses on Wolbachia infections in three pseudoscorpion species infected by two distinct groups of Wolbachia strains, based upon multi-locus phylogenies. Geogarypus minor harbours wGmin and Chthonius ischnocheles harbours wCisc, both closely related to supergroup H, while Atemnus politus harbours wApol, a member of a novel supergroup S along with Wolbachia from the pseudoscorpion Cordylochernes scorpioides (wCsco). Wolbachia supergroup S is most closely related to Wolbachia supergroups C and F. Using target enrichment by hybridization with Wolbachia-specific biotinylated probes to capture large fragments of Wolbachia DNA, we produced two draft genomes of wApol. Annotation of wApol highlights presence of a biotin operon, which is incomplete in many sequenced Wolbachia genomes. Conclusions The present study highlights at least two symbiont acquisition events among pseudoscorpion species. Phylogenomic analysis indicates that the Wolbachia from Atemnus politus (wApol), forms a separate supergroup (“S”) with the Wolbachia from Cordylochernes scorpioides (wCsco). Interestingly, the biotin operon, present in wApol, appears to have been horizontally transferred multiple times along Wolbachia evolutionary history.
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Affiliation(s)
- Emilie Lefoulon
- Molecular Parasitology Group, Molecular Enzyme Division, New England Biolabs, Inc., Ipswich, USA.,School of Animal and Comparative Biomedical Sciences, University of Arizona, Tucson, USA
| | - Travis Clark
- Molecular Parasitology Group, Molecular Enzyme Division, New England Biolabs, Inc., Ipswich, USA
| | - Fanni Borveto
- ISEM, University of Montpellier, Montpellier, France
| | | | | | - Barton E Slatko
- Molecular Parasitology Group, Molecular Enzyme Division, New England Biolabs, Inc., Ipswich, USA.
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20
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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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21
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White JA, Styer A, Rosenwald LC, Curry MM, Welch KD, Athey KJ, Chapman EG. Endosymbiotic Bacteria Are Prevalent and Diverse in Agricultural Spiders. MICROBIAL ECOLOGY 2020; 79:472-481. [PMID: 31300838 DOI: 10.1007/s00248-019-01411-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 07/02/2019] [Indexed: 05/15/2023]
Abstract
Maternally inherited bacterial endosymbionts are common in arthropods, but their distribution and prevalence are poorly characterized in many host taxa. Initial surveys have suggested that vertically transmitted symbionts may be particularly common in spiders (Araneae). Here, we used diagnostic PCR and high-throughput sequencing to evaluate symbiont infection in 267 individual spiders representing 14 species (3 families) of agricultural spiders. We found 27 operational taxonomic units (OTUs) that are likely endosymbiotic, including multiple strains of Wolbachia, Rickettsia, and Cardinium, which are all vertically transmitted and frequently associated with reproductive manipulation of arthropod hosts. Additional strains included Rickettsiella, Spiroplasma, Rhabdochlamydia, and a novel Rickettsiales, all of which could range from pathogenic to mutualistic in their effects upon their hosts. Seventy percent of spider species had individuals that tested positive for one or more endosymbiotic OTUs, and specimens frequently contained multiple symbiotic strain types. The most symbiont-rich species, Idionella rugosa, had eight endosymbiotic OTUs, with as many as five present in the same specimen. Individual specimens within infected spider species had a variety of symbiotypes, differing from one another in the presence or absence of symbiotic strains. Our sample included both starved and unstarved specimens, and dominant bacterial OTUs were consistent per host species, regardless of feeding status. We conclude that spiders contain a remarkably diverse symbiotic microbiota. Spiders would be an informative group for investigating endosymbiont population dynamics in time and space, and unstarved specimens collected for other purposes (e.g., food web studies) could be used, with caution, for such investigations.
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Affiliation(s)
- Jennifer A White
- Department of Entomology, University of Kentucky, Lexington, KY, 40546, USA.
| | - Alexander Styer
- Department of Entomology, University of Kentucky, Lexington, KY, 40546, USA
- Department of Plant and Microbial Biology, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Laura C Rosenwald
- Department of Entomology, University of Kentucky, Lexington, KY, 40546, USA
| | - Meghan M Curry
- Department of Entomology, University of Kentucky, Lexington, KY, 40546, USA
| | - Kelton D Welch
- Department of Entomology, University of Kentucky, Lexington, KY, 40546, USA
| | - Kacie J Athey
- Department of Entomology, University of Kentucky, Lexington, KY, 40546, USA
- Tree Fruit Research and Extension Center, Washington State University, Wenatchee, WA, 98801, USA
| | - Eric G Chapman
- Department of Entomology, University of Kentucky, Lexington, KY, 40546, USA
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22
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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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23
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Two-By-One model of cytoplasmic incompatibility: Synthetic recapitulation by transgenic expression of cifA and cifB in Drosophila. PLoS Genet 2019; 15:e1008221. [PMID: 31242186 PMCID: PMC6594578 DOI: 10.1371/journal.pgen.1008221] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 05/30/2019] [Indexed: 01/22/2023] Open
Abstract
Wolbachia are maternally inherited bacteria that infect arthropod species worldwide and are deployed in vector control to curb arboviral spread using cytoplasmic incompatibility (CI). CI kills embryos when an infected male mates with an uninfected female, but the lethality is rescued if the female and her embryos are likewise infected. Two phage WO genes, cifAwMel and cifBwMel from the wMel Wolbachia deployed in vector control, transgenically recapitulate variably penetrant CI, and one of the same genes, cifAwMel, rescues wild type CI. The proposed Two-by-One genetic model predicts that CI and rescue can be recapitulated by transgenic expression alone and that dual cifAwMeland cifBwMel expression can recapitulate strong CI. Here, we use hatch rate and gene expression analyses in transgenic Drosophila melanogaster to demonstrate that CI and rescue can be synthetically recapitulated in full, and strong, transgenic CI comparable to wild type CI is achievable. These data explicitly validate the Two-by-One model in wMel-infected D. melanogaster, establish a robust system for transgenic studies of CI in a model system, and represent the first case of completely engineering male and female animal reproduction to depend upon bacteriophage gene products. Releases of Wolbachia-infected mosquitos are underway worldwide because Wolbachia block replication of Zika and Dengue viruses and spread themselves maternally through arthropod populations via cytoplasmic incompatibility (CI). The CI drive system depends on a Wolbachia-induced sperm modification that results in embryonic lethality when an infected male mates with an uninfected female, but this lethality is rescued when the female and her embryos are likewise infected. We recently reported that the phage WO genes, cifA and cifB, cause the sperm modification and cifA rescues the embryonic lethality caused by the wMel Wolbachia strain deployed in vector control. These reports motivated proposal of the Two-by-One model of CI whereby two genes cause lethality and one gene rescues it. Here we provide unequivocal support for the model in the Wolbachia strain used in vector control via synthetic methods that recapitulate CI and rescue in the absence of a Wolbachia infections. Our results reveal the set of phage WO genes responsible for this powerful genetic drive system, act as a proof-of-concept that these genes alone can induce gene drive like crossing patterns, and establish methodologies and hypotheses for future studies of CI in Drosophila. We discuss the implications of the Two-by-One model towards functional mechanisms of CI, the emergence of incompatibility between Wolbachia strains, vector control applications, and CI gene nomenclature.
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24
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Gichuhi J, Khamis FM, Van den Berg J, Ekesi S, Herren JK. Unexpected Diversity of Wolbachia Associated with Bactrocera dorsalis (Diptera: Tephritidae) in Africa. INSECTS 2019; 10:E155. [PMID: 31159272 PMCID: PMC6627279 DOI: 10.3390/insects10060155] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 05/17/2019] [Accepted: 05/20/2019] [Indexed: 11/17/2022]
Abstract
Bactrocera dorsalis (Hendel) is an important pest of fruit-bearing plants in many countries worldwide. In Africa, this pest has spread rapidly and has become widely established since the first invasion report in 2003. Wolbachia is a vertically transmitted endosymbiont that can significantly influence aspects of the biology and, in particular, the reproduction of its host. In this study, we screened B. dorsalis specimens collected from several locations in Africa between 2005 and 2017 for Wolbachia using a PCR-based assay to target the Wolbachia surface protein wsp. Of the 357 individuals tested, 10 were positive for Wolbachia using the wsp assay. We identified four strains of Wolbachia infecting two B. dorsalis mitochondrial haplotypes. We found no strict association between the infecting strain and host haplotype, with one strain being present in two different host haplotypes. All the detected strains belonged to Super Group B Wolbachia and did not match any strains reported previously in B. dorsalis in Asia. These findings indicate that diverse Wolbachia infections are present in invasive populations of B. dorsalis.
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Affiliation(s)
- Joseph Gichuhi
- International Centre of Insect Physiology and Ecology (icipe), Kasarani, Nairobi 00100, Kenya.
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom 2520, South Africa.
| | - Fathiya M Khamis
- International Centre of Insect Physiology and Ecology (icipe), Kasarani, Nairobi 00100, Kenya.
| | - Johnnie Van den Berg
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom 2520, South Africa.
| | - Sunday Ekesi
- International Centre of Insect Physiology and Ecology (icipe), Kasarani, Nairobi 00100, Kenya.
| | - Jeremy K Herren
- International Centre of Insect Physiology and Ecology (icipe), Kasarani, Nairobi 00100, Kenya.
- MRC-University of Glasgow Centre for Virus Research, Henry Wellcome Building, Glasgow G61 1QH, UK.
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25
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Abstract
The Wolbachia endosymbionts encompass a large group of intracellular bacteria of biomedical and veterinary relevance, closely related to Anaplasma, Ehrlichia, and Rickettsia. This genus of Gram-negative members of the Alphaproteobacteria does not infect vertebrates but is instead restricted to ecdysozoan species, including terrestrial arthropods and a family of parasitic filarial nematodes, the Onchocercidae. The Wolbachia profoundly impact not only the ecology and evolution but also the reproductive biology of their hosts, through a wide range of symbiotic interactions. Because they are essential to the survival and reproduction of their filarial nematode hosts, they represent an attractive target to fight filariasis. Their abilities to spread through insect populations and to affect vector competence through pathogen protection have made Wolbachia a staple for controlling vector-borne diseases. Estimated to be present in up to 66% of insect species, the Wolbachia are probably the most abundant endosymbionts on earth. Their success resides in their unique capacity to infect and manipulate the host germ line to favor their vertical transmission through the maternal lineage. Because the Wolbachia resist genetic manipulation and growth in axenic culture, our understanding of their biology is still in its infancy. Despite these limitations, the "-omics" revolution combined with the use of well-established and emerging experimental host models is accelerating our comprehension of the host phenotypes caused by Wolbachia, and the identification of Wolbachia effectors is ongoing.
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26
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Moreira M, Aguiar AMF, Bourtzis K, Latorre A, Khadem M. Wolbachia (Alphaproteobacteria: Rickettsiales) Infections in Isolated Aphid Populations from Oceanic Islands of the Azores Archipelago: Revisiting the Supergroups M and N. ENVIRONMENTAL ENTOMOLOGY 2019; 48:326-334. [PMID: 30668658 DOI: 10.1093/ee/nvy189] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Indexed: 06/09/2023]
Abstract
Aphids (Hemiptera: Aphididae) have provided a suitable model to study endosymbionts, their community, and dynamics since the discovery of the obligate endosymbiont Buchnera aphidicola in these organisms. In previous studies, Wolbachia was found in some aphid species. In the present study, we report the prevalence of Wolbachia in aphids sampled from a geographically isolated region (Azores Islands), aiming at a better understanding and characterization of the two newly reported supergroups, M and N. The description of the supergroup M was based on 16S rRNA as well as some protein-coding genes. However, the assignment of the supergroup N was according to 16S rRNA gene sequences of a very few samples. We collected aphid samples and performed phylogenetic analysis of 16S rRNA gene as well as four protein-coding genes (gatB, ftsZ, coxA, and hcpA). The results demonstrate that the 16S rRNA gene data can unambiguously assign the strain supergroup and that the two supergroups, N and M, are equally prevalent in Azorean aphids. The available sequence data for the protein-coding markers can identify supergroup M but the status of supergroup N is inconclusive, requiring further studies. The data suggest that horizontal transmission of Wolbachia (Hertig and Wolbach) between two phylogenetically distant aphid species cohabiting the same plant host.
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Affiliation(s)
- Marta Moreira
- Banco de Germoplasma, Universidade da Madeira, Funchal, Portugal
| | - António M F Aguiar
- Laboratório de Qualidade agrícola, Núcleo de Fitopatologia, Madeira, Portugal
| | - Kostas Bourtzis
- Insect Pest Control Laboratory, Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Vienna, Austria
| | - Amparo Latorre
- Institute for Integrative Systems Biology (University of Valencia-CSIC), Valencia, Spain
- Joint Unit in Genomics and Health, Foundation for the Promotion of Sanitary and Biomedical Research (FISABIO) and University of Valencia, Valencia, Spain
| | - Mahnaz Khadem
- Banco de Germoplasma, Universidade da Madeira, Funchal, Portugal
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27
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Konecka E, Olszanowski Z, Koczura R. Wolbachia of phylogenetic supergroup E identified in oribatid mite Gustavia microcephala (Acari: Oribatida). Mol Phylogenet Evol 2019; 135:230-235. [PMID: 30914397 DOI: 10.1016/j.ympev.2019.03.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 03/22/2019] [Accepted: 03/23/2019] [Indexed: 01/15/2023]
Abstract
Heritable endosymbionts have been observed in arthropod and nematode hosts. The most-known among them is Wolbachia. Although the bacterium was previously identified in oribatid mites (Acari: Oribatida), it was not assigned to any phylogenetic group. Endosymbionts have a profound influence on their hosts, playing various functions that affect invertebrate's biology such as changing the way of reproduction. Oribatida provide the very unique examples of groups in which even whole families appear to be thelytokous, so we considered that it is worth to investigate the occurrence of endosymbiotic microorganisms in oribatid mites, especially that the knowledge on the symbionts occurrence in this invertebrate group is negligible. We report for the first time Wolbachia in oribatid mite Gustavia microcephala. The sequences of 16S rDNA, gltA, and ftsZ genes of the endosymbiont from the mite showed the highest similarity to Wolbachia found in Collembola. Phylogenetic analysis based on single gene and concatenated alignments of three genes revealed that the bacteria from G. microcephala and Collembola were related and clustered together with supergroup E. Relatively close relationship of Wolbachia from oribatid and collembolan hosts might mean at the evolutionary scale that horizontal transfer of bacteria between these two groups of invertebrates may take place.
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Affiliation(s)
- Edyta Konecka
- Department of Microbiology, Faculty of Biology, Adam Mickiewicz University in Poznań, Umultowska 89, 61-614 Poznań, Poland.
| | - Ziemowit Olszanowski
- Department of Animal Taxonomy and Ecology, Faculty of Biology, Adam Mickiewicz University in Poznań, Umultowska 89, 61-614 Poznań, Poland
| | - Ryszard Koczura
- Department of Microbiology, Faculty of Biology, Adam Mickiewicz University in Poznań, Umultowska 89, 61-614 Poznań, Poland
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28
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Yan B, Pan Y, Jin Z, Liu X, Li W, Sun B. Interstrain transfer of the prophage ϕNM2 in staphylococcal strains. ANN MICROBIOL 2018. [DOI: 10.1007/s13213-018-1397-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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29
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Kaushik S, Sharma KK, Ramani R, Lakhanpaul S. Detection of Wolbachia Phage (WO) in Indian Lac Insect [ Kerria lacca (Kerr.)] and Its Implications. Indian J Microbiol 2018; 59:237-240. [PMID: 31031440 DOI: 10.1007/s12088-018-0763-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 10/01/2018] [Indexed: 01/12/2023] Open
Abstract
Wolbachia, a maternally inherited bacterium induces reproductive alterations in its hosts such as feminization of males, male killing and parthenogenesis. It is the most diverse endosymbiont infecting more than 70% of the insects ranging from pests to pollinators. Kerria lacca-a hemipteran is a sedentary, oriental insect known to produce lac-the only resin of animal origin. The present study was conducted to screen the presence of Wolbachia and its associated phages in the two infrasubspecific forms (four insect lines) of K. lacca viz. kusmi and rengeeni differing from each other on the basis of host preference. Wolbachia and its associated phage were found to be prevalent in all the insect lines analyzed. We, hereby, report the presence of WO-phage (Wolbachia phage) for the first time in K. lacca. Further, phylogenetic data differentiated the kusmi and rengeeni infrasubspecific forms into two different groups on the basis of WO-phage sequences.
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Affiliation(s)
- S Kaushik
- 1Indira Gandhi National Tribal University, Amarkantak, Madhya Pradesh 484887 India
| | - K K Sharma
- Indian Institute of Natural Resins and Gums (IINRG), Namkum, Ranchi, 834010 India
| | - R Ramani
- Indian Institute of Natural Resins and Gums (IINRG), Namkum, Ranchi, 834010 India
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30
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Karimian F, Vatandoost H, Rassi Y, Maleki-Ravasan N, Choubdar N, Koosha M, Arzamani K, Moradi-Asl E, Veysi A, Alipour H, Shirani M, Oshaghi MA. wsp-based analysis of Wolbachia strains associated with Phlebotomus papatasi and P. sergenti (Diptera: Psychodidae) main cutaneous leishmaniasis vectors, introduction of a new subgroup wSerg. Pathog Glob Health 2018; 112:152-160. [PMID: 29745300 PMCID: PMC6056827 DOI: 10.1080/20477724.2018.1471438] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Sand flies of Phlebotomus papatasi and P. sergenti are the main vectors of cutaneous leishmanisis (CL) in the old world. We aimed to screen Iranian P. papatasi and P. sergenti for their natural infections with Wolbachia and to determine their phylogenetic association with other species. Wolbachia surface protein (wsp) gene was PCR amplified from DNA extracted from Phlebotomus species, sequenced, and were analysed in combination with wsp sequences related to Phelebtominae and other insects. All Wolbachia-infecting Iranian sand flies of P. papatasi and P. sergenti were classified in the Supergroup A., Wolbachia isolated from P. sergenti were clustered in a new subgroup within Supergroup A so-called wSreg. The Wolbachia strains identified from the P. papatasi clustered mainly in the subgroup wPap and partly in wSerg. Multiple Wholbachia infection within a single population of P.papatasi warrants investigation on existence and intensity of cytoplasmic incompatibility between the wPap and wSerg subgroups.
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Affiliation(s)
- Fateh Karimian
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Hassan Vatandoost
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Yavar Rassi
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Nayyereh Choubdar
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mona Koosha
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Kourosh Arzamani
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Vector-Borne Diseases Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Eslam Moradi-Asl
- Department of Public Health, School of Public Health, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Arshad Veysi
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamzeh Alipour
- Research Center for Health Sciences, Institute of Health, Shiraz University Of Medical Sciences, Shiraz, Iran
| | - Manouchehr Shirani
- Mamasani Health Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Ali Oshaghi
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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31
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Crainey JL, Hurst J, Lamberton PHL, Cheke RA, Griffin CE, Wilson MD, de Araújo CPM, Basáñez MG, Post RJ. The Genomic Architecture of Novel Simulium damnosum Wolbachia Prophage Sequence Elements and Implications for Onchocerciasis Epidemiology. Front Microbiol 2017; 8:852. [PMID: 28611731 PMCID: PMC5447182 DOI: 10.3389/fmicb.2017.00852] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 04/26/2017] [Indexed: 01/01/2023] Open
Abstract
Research interest in Wolbachia is growing as new discoveries and technical advancements reveal the public health importance of both naturally occurring and artificial infections. Improved understanding of the Wolbachia bacteriophages (WOs) WOcauB2 and WOcauB3 [belonging to a sub-group of four WOs encoding serine recombinases group 1 (sr1WOs)], has enhanced the prospect of novel tools for the genetic manipulation of Wolbachia. The basic biology of sr1WOs, including host range and mode of genomic integration is, however, still poorly understood. Very few sr1WOs have been described, with two such elements putatively resulting from integrations at the same Wolbachia genome loci, about 2 kb downstream from the FtsZ cell-division gene. Here, we characterize the DNA sequence flanking the FtsZ gene of wDam, a genetically distinct line of Wolbachia isolated from the West African onchocerciasis vector Simulium squamosum E. Using Roche 454 shot-gun and Sanger sequencing, we have resolved >32 kb of WO prophage sequence into three contigs representing three distinct prophage elements. Spanning ≥36 distinct WO open reading frame gene sequences, these prophage elements correspond roughly to three different WO modules: a serine recombinase and replication module (sr1RRM), a head and base-plate module and a tail module. The sr1RRM module contains replication genes and a Holliday junction recombinase and is unique to the sr1 group WOs. In the extreme terminal of the tail module there is a SpvB protein homolog—believed to have insecticidal properties and proposed to have a role in how Wolbachia parasitize their insect hosts. We propose that these wDam prophage modules all derive from a single WO genome, which we have named here sr1WOdamA1. The best-match database sequence for all of our sr1WOdamA1-predicted gene sequences was annotated as of Wolbachia or Wolbachia phage sourced from an arthropod. Clear evidence of exchange between sr1WOdamA1 and other Wolbachia WO phage sequences was also detected. These findings provide insights into how Wolbachia could affect a medically important vector of onchocerciasis, with potential implications for future control methods, as well as supporting the hypothesis that Wolbachia phages do not follow the standard model of phage evolution.
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Affiliation(s)
- James L Crainey
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Fundação Oswaldo Cruz, Instituto Leônidas e Maria DeaneManaus, Brazil
| | - Jacob Hurst
- Oxford Martin School, Institute for Emerging Infections, University of OxfordOxford, UK
| | - Poppy H L Lamberton
- Institute of Biodiversity, Animal Health and Comparative Medicine, Wellcome Centre for Molecular Parasitology, University of GlasgowGlasgow, UK
| | - Robert A Cheke
- Natural Resources Institute, University of Greenwich at MedwayChatham, UK.,Department of Infectious Disease Epidemiology, Faculty of Medicine (St Mary's campus), London Centre for Neglected Tropical Disease Research, School of Public Health, Imperial College LondonLondon, UK
| | - Claire E Griffin
- Core Research Laboratories Department, Molecular Biology Laboratories Division, Natural History MuseumLondon, UK
| | - Michael D Wilson
- Noguchi Memorial Institute for Medical Research, University of GhanaAccra, Ghana
| | - Cláudia P Mendes de Araújo
- Laboratório de Ecologia de Doenças Transmissíveis na Amazônia, Fundação Oswaldo Cruz, Instituto Leônidas e Maria DeaneManaus, Brazil
| | - María-Gloria Basáñez
- Department of Infectious Disease Epidemiology, Faculty of Medicine (St Mary's campus), London Centre for Neglected Tropical Disease Research, School of Public Health, Imperial College LondonLondon, UK
| | - Rory J Post
- School of Natural Sciences and Psychology, Liverpool John Moores UniversityLiverpool, UK.,Department of Disease Control, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical MedicineLondon, UK
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32
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Gerth M. Classification of Wolbachia (Alphaproteobacteria, Rickettsiales): No evidence for a distinct supergroup in cave spiders. INFECTION GENETICS AND EVOLUTION 2016; 43:378-80. [PMID: 27237947 DOI: 10.1016/j.meegid.2016.05.034] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Accepted: 05/25/2016] [Indexed: 10/21/2022]
Affiliation(s)
- Michael Gerth
- Institute for Integrative Biology, University of Liverpool, Biosciences Building, Liverpool L69 7ZB, United Kingdom.
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