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Duron O. Nutritional symbiosis in ticks: singularities of the genus Ixodes. Trends Parasitol 2024:S1471-4922(24)00164-8. [PMID: 38942646 DOI: 10.1016/j.pt.2024.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/10/2024] [Accepted: 06/10/2024] [Indexed: 06/30/2024]
Abstract
Symbiosis with intracellular bacteria is essential for the nutrition of ticks, particularly through the biosynthesis of B vitamins. Yet, ticks of the genus Ixodes, which include major vectors of human pathogens, lack the nutritional symbionts usually found in other tick genera. This paradox raises questions about the mechanisms that Ixodes ticks use to prevent nutritional deficiencies. Nonetheless, Ixodes ticks commonly harbor other symbionts belonging to the order Rickettsiales. Although these obligate intracellular bacteria are primarily known as human pathogens, Rickettsiales symbionts often dominate the Ixodes microbial community without causing diseases. They also significantly influence Ixodes physiology, synthesize key B vitamins, and are crucial for immatures. These findings underscore unique associations between Rickettsiales and Ixodes ticks distinct from other tick genera.
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Affiliation(s)
- Olivier Duron
- MIVEGEC, University of Montpellier (UM), Centre National de la Recherche Scientifique (CNRS), Institut pour la Recherche et le Développement (IRD), Montpellier, France.
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2
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Abuin-Denis L, Piloto-Sardiñas E, Maitre A, Wu-Chuang A, Mateos-Hernández L, Paulino PG, Bello Y, Bravo FL, Gutierrez AA, Fernández RR, Castillo AF, Mellor LM, Foucault-Simonin A, Obregon D, Estrada-García MP, Rodríguez-Mallon A, Cabezas-Cruz A. Differential nested patterns of Anaplasma marginale and Coxiella-like endosymbiont across Rhipicephalus microplus ontogeny. Microbiol Res 2024; 286:127790. [PMID: 38851009 DOI: 10.1016/j.micres.2024.127790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 05/21/2024] [Accepted: 05/27/2024] [Indexed: 06/10/2024]
Abstract
Understanding the intricate ecological interactions within the microbiome of arthropod vectors is crucial for elucidating disease transmission dynamics and developing effective control strategies. In this study, we investigated the ecological roles of Coxiella-like endosymbiont (CLE) and Anaplasma marginale across larval, nymphal, and adult stages of Rhipicephalus microplus. We hypothesized that CLE would show a stable, nested pattern reflecting co-evolution with the tick host, while A. marginale would exhibit a more dynamic, non-nested pattern influenced by environmental factors and host immune responses. Our findings revealed a stable, nested pattern characteristic of co-evolutionary mutualism for CLE, occurring in all developmental stages of the tick. Conversely, A. marginale exhibited variable occurrence but exerted significant influence on microbial community structure, challenging our initial hypotheses of its non-nested dynamics. Furthermore, in silico removal of both microbes from the co-occurrence networks altered network topology, underscoring their central roles in the R. microplus microbiome. Notably, competitive interactions between CLE and A. marginale were observed in nymphal network, potentially reflecting the impact of CLE on the pathogen transstadial-transmission. These findings shed light on the complex ecological dynamics within tick microbiomes and have implications for disease management strategies.
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Affiliation(s)
- Lianet Abuin-Denis
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, Avenue 31 between 158 and 190, P.O. Box 6162, Havana 10600, Cuba; ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort F-94700, France
| | - Elianne Piloto-Sardiñas
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort F-94700, France; Direction of Animal Health, National Center for Animal and Plant Health, Carretera de Tapaste y Autopista Nacional, Apartado Postal 10, San José de las Lajas, Mayabeque 32700, Cuba
| | - Apolline Maitre
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort F-94700, France; INRAE, UR 0045 Laboratoire de Recherches sur le Développement de l'Elevage (SELMET-LRDE), Corte 20250, France; EA 7310, Laboratoire de Virologie, Université de Corse, Corte, France
| | - Alejandra Wu-Chuang
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort F-94700, France
| | - Lourdes Mateos-Hernández
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort F-94700, France
| | - Patrícia Gonzaga Paulino
- Department of Epidemiology and Public Health, Federal Rural University of Rio de Janeiro (UFRRJ), Seropedica 23890-000, Brazil
| | - Yamil Bello
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, Avenue 31 between 158 and 190, P.O. Box 6162, Havana 10600, Cuba
| | - Frank Ledesma Bravo
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, Avenue 31 between 158 and 190, P.O. Box 6162, Havana 10600, Cuba
| | - Anays Alvarez Gutierrez
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, Avenue 31 between 158 and 190, P.O. Box 6162, Havana 10600, Cuba
| | - Rafmary Rodríguez Fernández
- National Laboratory of Parasitology, Ministry of Agriculture, Autopista San Antonio de los Baños, Km 112, San Antonio de los Baños, Artemisa 38100, Cuba
| | - Alier Fuentes Castillo
- National Laboratory of Parasitology, Ministry of Agriculture, Autopista San Antonio de los Baños, Km 112, San Antonio de los Baños, Artemisa 38100, Cuba
| | - Luis Méndez Mellor
- National Laboratory of Parasitology, Ministry of Agriculture, Autopista San Antonio de los Baños, Km 112, San Antonio de los Baños, Artemisa 38100, Cuba
| | - Angélique Foucault-Simonin
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort F-94700, France
| | - Dasiel Obregon
- School of Environmental Sciences University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - Mario Pablo Estrada-García
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, Avenue 31 between 158 and 190, P.O. Box 6162, Havana 10600, Cuba
| | - Alina Rodríguez-Mallon
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, Avenue 31 between 158 and 190, P.O. Box 6162, Havana 10600, Cuba.
| | - Alejandro Cabezas-Cruz
- ANSES, INRAE, Ecole Nationale Vétérinaire d'Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort F-94700, France.
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Buysse M, Koual R, Binetruy F, de Thoisy B, Baudrimont X, Garnier S, Douine M, Chevillon C, Delsuc F, Catzeflis F, Bouchon D, Duron O. Detection of Anaplasma and Ehrlichia bacteria in humans, wildlife, and ticks in the Amazon rainforest. Nat Commun 2024; 15:3988. [PMID: 38734682 PMCID: PMC11088697 DOI: 10.1038/s41467-024-48459-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 04/29/2024] [Indexed: 05/13/2024] Open
Abstract
Tick-borne bacteria of the genera Ehrlichia and Anaplasma cause several emerging human infectious diseases worldwide. In this study, we conduct an extensive survey for Ehrlichia and Anaplasma infections in the rainforests of the Amazon biome of French Guiana. Through molecular genetics and metagenomics reconstruction, we observe a high indigenous biodiversity of infections circulating among humans, wildlife, and ticks inhabiting these ecosystems. Molecular typing identifies these infections as highly endemic, with a majority of new strains and putative species specific to French Guiana. They are detected in unusual rainforest wild animals, suggesting they have distinctive sylvatic transmission cycles. They also present potential health hazards, as revealed by the detection of Candidatus Anaplasma sparouinense in human red blood cells and that of a new close relative of the human pathogen Ehrlichia ewingii, Candidatus Ehrlichia cajennense, in the tick species that most frequently bite humans in South America. The genome assembly of three new putative species obtained from human, sloth, and tick metagenomes further reveals the presence of major homologs of Ehrlichia and Anaplasma virulence factors. These observations converge to classify health hazards associated with Ehrlichia and Anaplasma infections in the Amazon biome as distinct from those in the Northern Hemisphere.
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Affiliation(s)
- Marie Buysse
- MIVEGEC, University of Montpellier, CNRS, IRD, Montpellier, France
| | - Rachid Koual
- MIVEGEC, University of Montpellier, CNRS, IRD, Montpellier, France
| | - Florian Binetruy
- MIVEGEC, University of Montpellier, CNRS, IRD, Montpellier, France
| | - Benoit de Thoisy
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de Guyane, Cayenne, France
- Association Kwata 'Study and Conservation of Guianan Wildlife', Cayenne, France
| | - Xavier Baudrimont
- Direction Générale des Territoires et de la Mer (DGTM) - Direction de l'environnement, de l'agriculture, de l'alimentation et de la forêt (DEAAF), Cayenne, France
| | - Stéphane Garnier
- Biogéosciences, UMR 6282 uB/CNRS/EPHE, Université Bourgogne Franche-Comté, Dijon, France
| | - Maylis Douine
- Centre d'Investigation Clinique Antilles-Guyane, INSERM 1424, Centre Hospitalier de Cayenne, Cayenne, France
| | | | - Frédéric Delsuc
- Institut des Sciences de l'Evolution de Montpellier (ISEM), CNRS, IRD, EPHE, Université de Montpellier, Montpellier, France
| | - François Catzeflis
- Institut des Sciences de l'Evolution de Montpellier (ISEM), CNRS, IRD, EPHE, Université de Montpellier, Montpellier, France
| | - Didier Bouchon
- EBI, University of Poitiers, UMR CNRS 7267, Poitiers, France
| | - Olivier Duron
- MIVEGEC, University of Montpellier, CNRS, IRD, Montpellier, France.
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Abuin-Denis L, Piloto-Sardiñas E, Maître A, Wu-Chuang A, Mateos-Hernández L, Obregon D, Corona-González B, Fogaça AC, Palinauskas V, Aželytė J, Rodríguez-Mallon A, Cabezas-Cruz A. Exploring the impact of Anaplasma phagocytophilum on colonization resistance of Ixodes scapularis microbiota using network node manipulation. CURRENT RESEARCH IN PARASITOLOGY & VECTOR-BORNE DISEASES 2024; 5:100177. [PMID: 38765730 PMCID: PMC11098721 DOI: 10.1016/j.crpvbd.2024.100177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 04/17/2024] [Accepted: 04/19/2024] [Indexed: 05/22/2024]
Abstract
Upon ingestion from an infected host, tick-borne pathogens (TBPs) have to overcome colonization resistance, a defense mechanism by which tick microbiota prevent microbial invasions. Previous studies have shown that the pathogen Anaplasma phagocytophilum alters the microbiota composition of the nymphs of Ixodes scapularis, but its impact on tick colonization resistance remains unclear. We analyzed tick microbiome genetic data using published Illumina 16S rRNA sequences, assessing microbial diversity within ticks (alpha diversity) through species richness, evenness, and phylogenetic diversity. We compared microbial communities in ticks with and without infection with A. phagocytophilum (beta diversity) using the Bray-Curtis index. We also built co-occurrence networks and used node manipulation to study the impact of A. phagocytophilum on microbial assembly and network robustness, crucial for colonization resistance. We examined network robustness by altering its connectivity, observing changes in the largest connected component (LCC) and the average path length (APL). Our findings revealed that infection with A. phagocytophilum does not significantly alter the overall microbial diversity in ticks. Despite a decrease in the number of nodes and connections within the microbial networks of infected ticks, certain core microbes remained consistently interconnected, suggesting a functional role. The network of infected ticks showed a heightened vulnerability to node removal, with smaller LCC and longer APL, indicating reduced resilience compared to the network of uninfected ticks. Interestingly, adding nodes to the network of infected ticks led to an increase in LCC and a decrease in APL, suggesting a recovery in network robustness, a trend not observed in networks of uninfected ticks. This improvement in network robustness upon node addition hints that infection with A. phagocytophilum might lower ticks' resistance to colonization, potentially facilitating further microbial invasions. We conclude that the compromised colonization resistance observed in tick microbiota following infection with A. phagocytophilum may facilitate co-infection in natural tick populations.
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Affiliation(s)
- Lianet Abuin-Denis
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, Avenue 31 between 158 and 190, P.O. Box 6162, Havana, 10600, Cuba
- ANSES, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, F-94700, France
| | - Elianne Piloto-Sardiñas
- ANSES, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, F-94700, France
- Direction of Animal Health, National Center for Animal and Plant Health, Carretera de Tapaste y Autopista Nacional, Apartado Postal 10, San José de las Lajas, Mayabeque, 32700, Cuba
| | - Apolline Maître
- ANSES, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, F-94700, France
- INRAE, UR 0045 Laboratoire de Recherches sur le Développement de l'Elevage (SELMET-LRDE), 20250, Corte, France
- EA 7310, Laboratoire de Virologie, Université de Corse, Corte, France
| | - Alejandra Wu-Chuang
- ANSES, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, F-94700, France
| | - Lourdes Mateos-Hernández
- ANSES, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, F-94700, France
| | - Dasiel Obregon
- School of Environmental Sciences, University of Guelph, Guelph, ON, Canada
| | - Belkis Corona-González
- Direction of Animal Health, National Center for Animal and Plant Health, Carretera de Tapaste y Autopista Nacional, Apartado Postal 10, San José de las Lajas, Mayabeque, 32700, Cuba
| | - Andréa Cristina Fogaça
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, 05508-000, SP, Brazil
| | | | - Justė Aželytė
- Nature Research Centre, Akademijos 2, Vilnius, Lithuania
| | - Alina Rodríguez-Mallon
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, Avenue 31 between 158 and 190, P.O. Box 6162, Havana, 10600, Cuba
| | - Alejandro Cabezas-Cruz
- ANSES, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, F-94700, France
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5
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Zhong Z, Wang K, Wang J. Tick symbiosis. CURRENT OPINION IN INSECT SCIENCE 2024; 62:101163. [PMID: 38244689 DOI: 10.1016/j.cois.2024.101163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 12/29/2023] [Accepted: 01/12/2024] [Indexed: 01/22/2024]
Abstract
As obligate blood-feeders, ticks serve as vectors for a variety of pathogens that pose threats on both human and livestock health. The microbiota that ticks harbor play important roles in influencing tick nutrition, development, reproduction, and vector. These microbes also affect the capacity of ticks to transmit pathogens (vector competence). Therefore, comprehending the functions of tick microbiota will help in developing novel and effective tick control strategies. Here, we summarize the effects of main tick symbiotic bacteria on tick physiology and vector competency.
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Affiliation(s)
- Zhengwei Zhong
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, PR China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, PR China
| | - Kun Wang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, PR China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, PR China
| | - Jingwen Wang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, PR China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, PR China.
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6
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Boulanger N, Insonere JLM, Van Blerk S, Barthel C, Serres C, Rais O, Roulet A, Servant F, Duron O, Lelouvier B. Cross-alteration of murine skin and tick microbiome concomitant with pathogen transmission after Ixodes ricinus bite. MICROBIOME 2023; 11:250. [PMID: 37952001 PMCID: PMC10638774 DOI: 10.1186/s40168-023-01696-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 10/11/2023] [Indexed: 11/14/2023]
Abstract
BACKGROUND Ticks are major vectors of diseases affecting humans such as Lyme disease or domestic animals such as anaplasmosis. Cross-alteration of the vertebrate host skin microbiome and the tick microbiome may be essential during the process of tick feeding and for the mechanism of pathogen transmission. However, it has been poorly investigated. METHODS We used mice bitten by field-collected ticks (nymphs and adult ticks) in different experimental conditions to investigate, by 16S rRNA gene metabarcoding, the impact of blood feeding on both the mouse skin microbiome and the tick microbiome. We also investigated by PCR and 16S rRNA gene metabarcoding, the diversity of microorganisms transmitted to the host during the process of tick bite at the skin interface and the dissemination of the pathogen in host tissues (blood, heart, and spleen). RESULTS Most of the commensal bacteria present in the skin of control mice were replaced during the blood-feeding process by bacteria originating from the ticks. The microbiome of the ticks was also impacted by the blood feeding. Several pathogens including tick-borne pathogens (Borrelia/Borreliella, Anaplasma, Neoehrlichia, Rickettsia) and opportunistic bacteria (Williamsia) were transmitted to the skin microbiome and some of them disseminated to the blood or spleen of the mice. In the different experiments of this study, skin microbiome alteration and Borrelia/Borreliella transmission were different depending on the tick stages (nymphs or adult female ticks). CONCLUSIONS Host skin microbiome at the bite site was deeply impacted by the tick bite, to an extent which suggests a role in the tick feeding, in the pathogen transmission, and a potentially important impact on the skin physiopathology. The diversified taxonomic profiles of the tick microbiome were also modified by the blood feeding. Video Abstract.
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Affiliation(s)
- Nathalie Boulanger
- UR7290: Virulence bactérienne précoce: groupe Borrelia, FMTS, University of Strasbourg, Strasbourg, France.
| | | | | | - Cathy Barthel
- UR7290: Virulence bactérienne précoce: groupe Borrelia, FMTS, University of Strasbourg, Strasbourg, France
| | - Céline Serres
- Vaiomer, 516 rue Pierre et Marie Curie, 31670, Labège, France
| | - Olivier Rais
- Laboratoire d'écologie et d'épidémiologie parasitaires Institut de Biologie, University of Neuchatel, 2000, Neuchâtel, Switzerland
| | - Alain Roulet
- Vaiomer, 516 rue Pierre et Marie Curie, 31670, Labège, France
| | | | - Olivier Duron
- Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle (MIVEGEC), Centre National de la Recherche Scientifique (CNRS), Institut pour la Recherche et le Développement (IRD), Université de Montpellier (UM), 911 Avenue Agropolis, 34394, Montpellier, France
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Muñoz-García CI, Rendón-Franco E, Grostieta E, Navarrete-Sotelo M, Sánchez-Montes S. Novel Francisella-like endosymbiont and Anaplasma species from Amblyomma nodosum hosted by the anteater Tamandua Mexicana in Mexico. EXPERIMENTAL & APPLIED ACAROLOGY 2023; 91:111-121. [PMID: 37468804 DOI: 10.1007/s10493-023-00827-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 07/13/2023] [Indexed: 07/21/2023]
Abstract
The microbiome represents a complex network among the various members of the community of microorganisms that are associated with a host. The composition of the bacterial community is essential to supplement multiple metabolic pathways that the host lacks, particularly in organisms with blood-sucking habits such as ticks. On the other hand, some endosymbionts showed some competence with potentially pathogenic microorganisms. Francisella-like endosymbionts (FLEs) encompass a group of gamma-proteobacterias that are closely related to Francisella tularensis, but are usually apathogenic, which brings nutrients like vitamin B and other cofactors to the tick. It has been postulated that the main route of transmission of FLE is vertical; however, evidence has accumulated regarding the possible mechanism of horizontal transmission. Despite growing interest in knowledge of endosymbionts in the Neotropical region, the efforts related to the establishment of their inventory for tick communities are concentrated in South and Central America, with an important gap in knowledge in Mesoamerican countries such as Mexico. For this reason, the aim of this work was to evaluate the presence and diversity of endosymbionts in the highly host-specialized tick Amblyomma nodosum collected from the anteater Tamandua mexicana in Mexico. We analysed 36 A. nodosum for the presence of DNA of endosymbiont (Coxiella and Francisella) and pathogenic (Anaplasma, Borrelia, Ehrlichia and Rickettsia) bacteria. The presence of a member of the genus Francisella and Candidatus Anaplasma brasiliensis was demonstrated. Our findings provide information on the composition of A. nodosum's microbiome, increasing the inventory of bacterial species associated with this hard tick on the American continent.
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Affiliation(s)
- Claudia I Muñoz-García
- Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Unidad Xochimilco, Mexico City, Mexico
| | - Emilio Rendón-Franco
- Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Unidad Xochimilco, Mexico City, Mexico.
| | - Estefanía Grostieta
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Melissa Navarrete-Sotelo
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Sokani Sánchez-Montes
- Centro de Medicina Tropical, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico.
- Facultad de Ciencias Biológicas y Agropecuarias Región Tuxpan, Universidad Veracruzana, Veracruz, Mexico.
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8
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Abstract
Haematophagous arthropods, including mosquitoes, ticks, flies, triatomine bugs and lice (here referred to as vectors), are involved in the transmission of various pathogens to mammals on whom they blood feed. The diseases caused by these pathogens, collectively known as vector-borne diseases (VBDs), threaten the health of humans and animals. Although the vector arthropods differ in life histories, feeding behaviour as well as reproductive strategies, they all harbour symbiotic microorganisms, known as microbiota, on which they depend for completing essential aspects of their biology, such as development and reproduction. In this Review, we summarize the shared and unique key features of the symbiotic associations that have been characterized in the major vector taxa. We discuss the crosstalks between microbiota and their arthropod hosts that influence vector metabolism and immune responses relevant for pathogen transmission success, known as vector competence. Finally, we highlight how current knowledge on symbiotic associations is being explored to develop non-chemical-based alternative control methods that aim to reduce vector populations, or reduce vector competence. We conclude by highlighting the remaining knowledge gaps that stand to advance basic and translational aspects of vector-microbiota interactions.
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Affiliation(s)
- Jingwen Wang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, P. R. China.
- Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, P. R. China.
| | - Li Gao
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, P. R. China
- Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, P. R. China
| | - Serap Aksoy
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, Yale University, New Haven, CT, USA
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9
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Kolo AO, Raghavan R. Impact of endosymbionts on tick physiology and fitness. Parasitology 2023; 150:859-865. [PMID: 37722758 PMCID: PMC10577665 DOI: 10.1017/s0031182023000793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/14/2023] [Accepted: 08/14/2023] [Indexed: 09/20/2023]
Abstract
Ticks transmit pathogens and harbour non-pathogenic, vertically transmitted intracellular bacteria termed endosymbionts. Almost all ticks studied to date contain 1 or more of Coxiella, Francisella, Rickettsia or Candidatus Midichloria mitochondrii endosymbionts, indicative of their importance to tick physiology. Genomic and experimental data suggest that endosymbionts promote tick development and reproductive success. Here, we review the limited information currently available on the potential roles endosymbionts play in enhancing tick metabolism and fitness. Future studies that expand on these findings are needed to better understand endosymbionts’ contributions to tick biology. This knowledge could potentially be applied to design novel strategies that target endosymbiont function to control the spread of ticks and pathogens they vector.
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Affiliation(s)
- Agatha O. Kolo
- Department of Molecular Microbiology and Immunology, The University of Texas at San Antonio, San Antonio, TX, USA
| | - Rahul Raghavan
- Department of Molecular Microbiology and Immunology, The University of Texas at San Antonio, San Antonio, TX, USA
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10
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Cotes-Perdomo AP, Nava S, Castro LR, Rivera-Paéz FA, Cortés-Vecino JA, Uribe JE. Phylogenetic relationships of the Amblyomma cajennense complex (Acari: Ixodidae) at mitogenomic resolution. Ticks Tick Borne Dis 2023; 14:102125. [PMID: 36806845 DOI: 10.1016/j.ttbdis.2023.102125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/28/2022] [Accepted: 01/17/2023] [Indexed: 01/26/2023]
Abstract
The genus Amblyomma is the third most diverse in the number of species within the Ixodidae, with practically half of its species distributed in the Americas, though there are also species occurring in Africa, Asia, and Australia. Within the genus, there are several species complexes with veterinary and public health importance. The Amblyomma cajennense complex, in the Americas, is represented by six species with a wide distribution, from Texas to northern Argentina. We combined two sequencing techniques to generate complete mitogenomes of species belonging to the Amblyomma cajennense complex: genome skimming and long-range PCRs sequencing methods. Thus, we generated seven new mitochondrial genomes for all species of the Amblyomma cajennense complex, except for Amblyomma interandinum. Genetic distances between the mitogenomes corroborate the clear differentiation between the five species of the Amblyomma cajennense complex. The phylogenetic relationships of these species had previously been evaluated by combining partial nuclear and mitochondrial genes and here these relationships are corroborated with a more robust framework of data, which demonstrates that the conjunction of mitochondrial and nuclear partial genes can resolve close relationships when entire genes or genomes are unavailable. The gene order, structure, composition, and length are stable across these mitogenomes, and they share the general characteristics of Metastriata. Future studies should increase the number of available mitogenomes for this genus, especially for those species from the Indo-Pacific region and Africa, by means of a better understanding of their relationships and evolutionary process.
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Affiliation(s)
- Andrea P Cotes-Perdomo
- Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), Madrid, Spain; Natural Sciences and Environmental Health Department, Natural Sciences and Maritime Sciences, Faculty of Technology, University of South-Eastern, Norway
| | - Santiago Nava
- Instituto de Investigación de la Cadena Láctea (IDICAL, INTA-CONICET), Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Agropecuaria Rafaela (EEA Rafaela), Santa Fe, Argentina
| | - Lyda R Castro
- Grupo de investigación Evolución, Sistemática y Ecología Molecular (GIESEMOL), Facultad de Ciencias Básicas, Universidad del Magdalena, Santa Marta, Colombia
| | - Fredy A Rivera-Paéz
- Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas (GEBIOME), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10, Manizales, Caldas 170004, Colombia
| | - Jesús A Cortés-Vecino
- Grupo de Investigación Parasitología Veterinaria, Facultad de Medicina Veterinaria y de Zootecnia, Universidad Nacional de Colombia, Bogotá D.C., Colombia
| | - Juan E Uribe
- Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), Madrid, Spain; Invertebrate Zoology Department, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, United States of America.
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11
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Guizzo MG, Budachetri K, Adegoke A, Ribeiro JMC, Karim S. Rickettsia parkeri infection modulates the sialome and ovariome of the Gulf coast tick, Amblyomma maculatum. Front Microbiol 2022; 13:1023980. [PMID: 36439862 PMCID: PMC9684213 DOI: 10.3389/fmicb.2022.1023980] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 10/06/2022] [Indexed: 07/21/2023] Open
Abstract
The Gulf Coast tick, Amblyomma maculatum, is a vector of several tick-borne pathogens, including Rickettsia parkeri. The ability of R. parkeri to persist within the tick population through transovarial and transstadial transmission, without apparently harming the ticks, contributes to the pathogen's perpetuation in the tick population. Previous studies have shown that the R. parkeri load in A. maculatum is regulated by the tick tissues' oxidant/antioxidant balance and the non-pathogenic tick microbiome. To obtain further insights into the interaction between tick and pathogen, we performed a bulk RNA-Seq for differential transcriptomic analysis of ovaries and salivary glands from R. parkeri-infected and uninfected ticks over the feeding course on a host. The most differentially expressed functional category was of bacterial origin, exhibiting a massive overexpression of bacterial transcripts in response to the R. parkeri infection. Candidatus Midichloria mitochondrii and bacteria from the genus Rickettsia were mainly responsible for the overexpression of bacterial transcripts. Host genes were also modulated in R. parkeri-infected tick organs. A similar number of host transcripts from all analyzed functional categories was negatively and positively modulated, revealing a global alteration of the A. maculatum transcriptome in response to pathogen infection. R. parkeri infection led to an increase in salivary transcripts involved in blood feeding success as well as a decrease in ovarian immune transcripts. We hypothesize that these transcriptional alterations facilitate pathogen persistence and transmission within tick population.
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Affiliation(s)
- Melina Garcia Guizzo
- Vector Biology Section, Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, United States
| | - Khemraj Budachetri
- School of Biological, Environmental, and Earth Sciences, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Abdulsalam Adegoke
- School of Biological, Environmental, and Earth Sciences, The University of Southern Mississippi, Hattiesburg, MS, United States
| | - Jose M. C. Ribeiro
- Vector Biology Section, Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, United States
| | - Shahid Karim
- School of Biological, Environmental, and Earth Sciences, The University of Southern Mississippi, Hattiesburg, MS, United States
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12
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Wagner DM, Birdsell DN, McDonough RF, Nottingham R, Kocos K, Celona K, Özsürekci Y, Öhrman C, Karlsson L, Myrtennäs K, Sjödin A, Johansson A, Keim PS, Forsman M, Sahl JW. Genomic characterization of Francisella tularensis and other diverse Francisella species from complex samples. PLoS One 2022; 17:e0273273. [PMID: 36223396 PMCID: PMC9555625 DOI: 10.1371/journal.pone.0273273] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 09/19/2022] [Indexed: 11/06/2022] Open
Abstract
Francisella tularensis, the bacterium that causes the zoonosis tularemia, and its genetic near neighbor species, can be difficult or impossible to cultivate from complex samples. Thus, there is a lack of genomic information for these species that has, among other things, limited the development of robust detection assays for F. tularensis that are both specific and sensitive. The objective of this study was to develop and validate approaches to capture, enrich, sequence, and analyze Francisella DNA present in DNA extracts generated from complex samples. RNA capture probes were designed based upon the known pan genome of F. tularensis and other diverse species in the family Francisellaceae. Probes that targeted genomic regions also present in non-Francisellaceae species were excluded, and probes specific to particular Francisella species or phylogenetic clades were identified. The capture-enrichment system was then applied to diverse, complex DNA extracts containing low-level Francisella DNA, including human clinical tularemia samples, environmental samples (i.e., animal tissue and air filters), and whole ticks/tick cell lines, which was followed by sequencing of the enriched samples. Analysis of the resulting data facilitated rigorous and unambiguous confirmation of the detection of F. tularensis or other Francisella species in complex samples, identification of mixtures of different Francisella species in the same sample, analysis of gene content (e.g., known virulence and antimicrobial resistance loci), and high-resolution whole genome-based genotyping. The benefits of this capture-enrichment system include: even very low target DNA can be amplified; it is culture-independent, reducing exposure for research and/or clinical personnel and allowing genomic information to be obtained from samples that do not yield isolates; and the resulting comprehensive data not only provide robust means to confirm the presence of a target species in a sample, but also can provide data useful for source attribution, which is important from a genomic epidemiology perspective.
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Affiliation(s)
- David M. Wagner
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
- * E-mail:
| | - Dawn N. Birdsell
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Ryelan F. McDonough
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Roxanne Nottingham
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Karisma Kocos
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Kimberly Celona
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Yasemin Özsürekci
- Department of Pediatric Infectious Diseases, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Caroline Öhrman
- CBRN Defence and Security, Swedish Defence Research Agency, Umeå, Sweden
| | - Linda Karlsson
- CBRN Defence and Security, Swedish Defence Research Agency, Umeå, Sweden
| | - Kerstin Myrtennäs
- CBRN Defence and Security, Swedish Defence Research Agency, Umeå, Sweden
| | - Andreas Sjödin
- CBRN Defence and Security, Swedish Defence Research Agency, Umeå, Sweden
| | - Anders Johansson
- Department of Clinical Microbiology, Umeå University, Umeå, Sweden
| | - Paul S. Keim
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Mats Forsman
- CBRN Defence and Security, Swedish Defence Research Agency, Umeå, Sweden
| | - Jason W. Sahl
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
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13
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Grostieta E, Zazueta-Islas HM, Cruz-Valdez T, Ballados-González GG, Álvarez-Castillo L, García-Esparza SM, Cruz-Romero A, Romero-Salas D, Aguilar-Domínguez M, Becker I, Sánchez-Montes S. Molecular detection of Coxiella-like endosymbionts and absence of Coxiella burnetii in Amblyomma mixtum from Veracruz, Mexico. EXPERIMENTAL & APPLIED ACAROLOGY 2022; 88:113-125. [PMID: 36244047 DOI: 10.1007/s10493-022-00748-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
Ticks are obligate ectoparasites associated with a wide range of vertebrate hosts, including domestic animals. Moreover, ticks are capable of transmitting many pathogens such as Coxiella. To date, Coxiella burnetii, the etiological agent of coxiellosis or Q fever, is the only valid species of the genera. Nevertheless, a wide range of agents denominated Coxiella-like have been detected in recent studies, mainly associated with ticks. The pathogenicity of these Coxiella-like agents is controversial as some of them can infect both birds and humans. In Mexico, knowledge about Q fever is scarce and limited to historical serological records, and there is an overall lack of molecular proof of any agent of the genus Coxiella circulating in the country. Therefore, the aim of this study was to detect the presence of Coxiella in ticks associated with cattle in all 10 regions of Veracruz, Mexico. To accomplish this objective, first, we identified ticks collected from cattle and horses in Veracruz. Then, for Coxiella detection, DNA extraction from ticks and PCR amplification of the 16S-rDNA of Coxiella was performed. Finally, we performed a phylogenetic reconstruction to determine the Coxiella lineages detected. From the 10 regions sampled we collected 888 ticks grouped in 180 pools, and only five Amblyomma mixtum from the locality of Castán, and one from Los Angeles from Tuxpan were found positive, which represents a frequency of 20% for each locality. This study represents the first attempt at molecular detection of Coxiella in ticks associated with cattle in the state of Veracruz, the major livestock producer in the country. The findings of the present study are relevant as they establish a precedent regarding the circulation of Coxiella-like agents, as well as the absence in three municipalities of the state of Veracruz of C. burnetii, an abortive agent of livestock importance.
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Affiliation(s)
- Estefanía Grostieta
- Centro de Medicina Tropical, Facultad de Medicina, Unidad de Investigación en Medicina Experimental, Universidad Nacional Autónoma de México, Dr. Balmis 148, Ciudad de Mexico, C.P. 06726, México
| | - Héctor M Zazueta-Islas
- Centro de Medicina Tropical, Facultad de Medicina, Unidad de Investigación en Medicina Experimental, Universidad Nacional Autónoma de México, Dr. Balmis 148, Ciudad de Mexico, C.P. 06726, México
| | - Timoteo Cruz-Valdez
- Facultad de Ciencias Biológicas y Agropecuarias Región Tuxpan, Universidad Veracruzana, Veracruz, México
| | - Gerardo G Ballados-González
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Circunvalación s/n, Veracruz, 91710, México
| | - Lucía Álvarez-Castillo
- Posgrado en Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Ciudad de Mexico, México
| | - Sandra M García-Esparza
- Centro de Medicina Tropical, Facultad de Medicina, Unidad de Investigación en Medicina Experimental, Universidad Nacional Autónoma de México, Dr. Balmis 148, Ciudad de Mexico, C.P. 06726, México
| | - Anabel Cruz-Romero
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Circunvalación s/n, Veracruz, 91710, México
| | - Dora Romero-Salas
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Circunvalación s/n, Veracruz, 91710, México
| | - Mariel Aguilar-Domínguez
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Veracruzana, Circunvalación s/n, Veracruz, 91710, México.
| | - Ingeborg Becker
- Centro de Medicina Tropical, Facultad de Medicina, Unidad de Investigación en Medicina Experimental, Universidad Nacional Autónoma de México, Dr. Balmis 148, Ciudad de Mexico, C.P. 06726, México.
| | - Sokani Sánchez-Montes
- Centro de Medicina Tropical, Facultad de Medicina, Unidad de Investigación en Medicina Experimental, Universidad Nacional Autónoma de México, Dr. Balmis 148, Ciudad de Mexico, C.P. 06726, México
- Facultad de Ciencias Biológicas y Agropecuarias Región Tuxpan, Universidad Veracruzana, Veracruz, México
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14
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Duron O, Koual R, Musset L, Buysse M, Lambert Y, Jaulhac B, Blanchet D, Alsibai KD, Lazrek Y, Epelboin L, Deshuillers P, Michaud C, Douine M. Novel Chronic Anaplasmosis in Splenectomized Patient, Amazon Rainforest. Emerg Infect Dis 2022; 28:1673-1676. [PMID: 35876693 PMCID: PMC9328922 DOI: 10.3201/eid2808.212425] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
We report a case of unusual human anaplasmosis in the Amazon rainforest of French Guiana. Molecular typing demonstrated that the pathogen is a novel Anaplasma species, distinct to all known species, and more genetically related to recently described Anaplasma spp. causing infections in rainforest wild fauna of Brazil.
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15
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Zhang XY, Li SS, Chen KL, Yang C, Zhou XJ, Liu JZ, Zhang YK. Growth dynamics and tissue localization of a Coxiella-like endosymbiont in the tick Haemaphysalis longicornis. Ticks Tick Borne Dis 2022; 13:102005. [PMID: 35868196 DOI: 10.1016/j.ttbdis.2022.102005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 05/26/2022] [Accepted: 07/16/2022] [Indexed: 12/30/2022]
Abstract
A Coxiella-like endosymbiont (Coxiella-LE hereinafter) stably infects and influences Haemaphysalis longicornis development, indicating a mutualistic relationship of Coxiella-LE and ticks. To further elucidate the patterns of growth dynamics and tissue localization of Coxiella-LE in H. longicornis, 16S rRNA high-throughput sequencing, quantitative PCR (qPCR), and fluorescence in situ hybridization (FISH) were used in this study. The density of Coxiella-LE varied among different tick life stages, and fed female ticks had the highest density, followed by unfed female and unfed larval ticks. In the four organs that were dissected from fed female ticks, the ovary carried the highest density of Coxiella-LE, which was significantly different from salivary glands, midgut and Malpighian tubules. The high abundance of Coxiella-LE in fed female ticks and in the ovaries of fed female ticks in the bacterial microbiota analyses further confirmed that Coxiella-LE rapidly proliferates in the ovary after blood feeding. The ovaries continued to develop after engorgement and oviposition began on day 5, with a significant decrease in the density of Coxiella-LE in the ovaries occurring on day 7. FISH results indicated that Coxiella-LE is mainly colonized in the cytoplasm of the oocyte and proliferates with oogenesis. Coxiella-LE was expelled from the body with the mature oocyte, ensuring its vertical transmission. In the Malpighian tubules at different days after engorgement, the white flocculent materials were increasing, and the density of Coxiella-LE raised significantly on day 7. Unlike the localization pattern in the ovary, Coxiella-LE was initially distributed in a mass and continually increased during the development of Malpighian tubules until it filled the Malpighian tubules. These findings provide new insights on the growth dynamics and tissue localization of Coxiella-LE in ticks and are useful for further investigation on the interactions of symbiont and ticks .
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Affiliation(s)
- Xiao-Yu Zhang
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Si-Si Li
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China; Hebei Key Laboratory of Wetland Ecology and Conservation, Hengshui University, Hengshui, Hebei 053000, China
| | - Kai-Li Chen
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Chen Yang
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Xue-Jiao Zhou
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Jing-Ze Liu
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China.
| | - Yan-Kai Zhang
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China.
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16
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Metabolic interactions between disease-transmitting vectors and their microbiota. Trends Parasitol 2022; 38:697-708. [DOI: 10.1016/j.pt.2022.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 04/29/2022] [Accepted: 05/04/2022] [Indexed: 11/21/2022]
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17
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Buysse M, Binetruy F, Leibson R, Gottlieb Y, Duron O. Ecological Contacts and Host Specificity Promote Replacement of Nutritional Endosymbionts in Ticks. MICROBIAL ECOLOGY 2022; 83:776-788. [PMID: 34235554 DOI: 10.1007/s00248-021-01773-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 05/12/2021] [Indexed: 06/13/2023]
Abstract
Symbiosis with vitamin-provisioning microbes is essential for the nutrition of animals with some specialized feeding habits. While coevolution favors the interdependence between symbiotic partners, their associations are not necessarily stable: Recently acquired symbionts can replace ancestral symbionts. In this study, we demonstrate successful replacement by Francisella-like endosymbionts (-LE), a group of B-vitamin-provisioning endosymbionts, across tick communities driven by horizontal transfers. Using a broad collection of Francisella-LE-infected tick species, we determined the diversity of Francisella-LE haplotypes through a multi-locus strain typing approach and further characterized their phylogenetic relationships and their association with biological traits of their tick hosts. The patterns observed showed that Francisella-LE commonly transfer through similar ecological networks and geographic distributions shared among different tick species and, in certain cases, through preferential shuffling across congeneric tick species. Altogether, these findings reveal the importance of geographic, ecological, and phylogenetic proximity in shaping the replacement pattern in which new nutritional symbioses are initiated.
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Affiliation(s)
- Marie Buysse
- Maladies Infectieuses et Vecteurs : Ecologie, Génétique, Evolution et Contrôle), Centre National de la Recherche Scientifique (CNRS) - Institut pour la Recherche et le Développement (IRD), Université de Montpellier (UM), Montpellier, France.
- CREES (Centre de Recherche en Écologie et Évolution de la Santé), Montpellier, France.
| | - Florian Binetruy
- Maladies Infectieuses et Vecteurs : Ecologie, Génétique, Evolution et Contrôle), Centre National de la Recherche Scientifique (CNRS) - Institut pour la Recherche et le Développement (IRD), Université de Montpellier (UM), Montpellier, France
| | - Raz Leibson
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Yuval Gottlieb
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel.
| | - Olivier Duron
- Maladies Infectieuses et Vecteurs : Ecologie, Génétique, Evolution et Contrôle), Centre National de la Recherche Scientifique (CNRS) - Institut pour la Recherche et le Développement (IRD), Université de Montpellier (UM), Montpellier, France.
- CREES (Centre de Recherche en Écologie et Évolution de la Santé), Montpellier, France.
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18
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Hussain S, Perveen N, Hussain A, Song B, Aziz MU, Zeb J, Li J, George D, Cabezas-Cruz A, Sparagano O. The Symbiotic Continuum Within Ticks: Opportunities for Disease Control. Front Microbiol 2022; 13:854803. [PMID: 35369485 PMCID: PMC8969565 DOI: 10.3389/fmicb.2022.854803] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/15/2022] [Indexed: 12/26/2022] Open
Abstract
Among blood-sucking arthropods, ticks are recognized as being of prime global importance because of their role as vectors of pathogens affecting human and animal health. Ticks carry a variety of pathogenic, commensal, and symbiotic microorganisms. For the latter, studies are available concerning the detection of endosymbionts, but their role in the physiology and ecology of ticks remains largely unexplored. This review paper focuses on tick endosymbionts of the genera Coxiella, Rickettsia, Francisella, Midichloria, and Wolbachia, and their impact on ticks and tick-pathogen interactions that drive disease risk. Tick endosymbionts can affect tick physiology by influencing nutritional adaptation, fitness, and immunity. Further, symbionts may influence disease ecology, as they interact with tick-borne pathogens and can facilitate or compete with pathogen development within the vector tissues. Rickettsial symbionts are frequently found in ticks of the genera of Ixodes, Amblyomma, and Dermacentor with relatively lower occurrence in Rhipicephalus, Haemaphysalis, and Hyalomma ticks, while Coxiella-like endosymbionts (CLEs) were reported infecting almost all tick species tested. Francisella-like endosymbionts (FLEs) have been identified in tick genera such as Dermacentor, Amblyomma, Ornithodoros, Ixodes, and Hyalomma, whereas Wolbachia sp. has been detected in Ixodes, Amblyomma, Hyalomma, and Rhipicephalus tick genera. Notably, CLEs and FLEs are obligate endosymbionts essential for tick survival and development through the life cycle. American dog ticks showed greater motility when infected with Rickettsia, indirectly influencing infection risk, providing evidence of a relationship between tick endosymbionts and tick-vectored pathogens. The widespread occurrence of endosymbionts across the tick phylogeny and evidence of their functional roles in ticks and interference with tick-borne pathogens suggests a significant contribution to tick evolution and/or vector competence. We currently understand relatively little on how these endosymbionts influence tick parasitism, vector capacity, pathogen transmission and colonization, and ultimately on how they influence tick-borne disease dynamics. Filling this knowledge gap represents a major challenge for future research.
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Affiliation(s)
- Sabir Hussain
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Nighat Perveen
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Abrar Hussain
- Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Baolin Song
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Muhammad Umair Aziz
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Jehan Zeb
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Jun Li
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - David George
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Alejandro Cabezas-Cruz
- Anses, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, France
| | - Olivier Sparagano
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
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19
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Wu-Chuang A, Hodžić A, Mateos-Hernández L, Estrada-Peña A, Obregon D, Cabezas-Cruz A. Current debates and advances in tick microbiome research. CURRENT RESEARCH IN PARASITOLOGY & VECTOR-BORNE DISEASES 2022; 1:100036. [PMID: 35284884 PMCID: PMC8906078 DOI: 10.1016/j.crpvbd.2021.100036] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/29/2021] [Accepted: 06/01/2021] [Indexed: 12/12/2022]
Abstract
The main importance of ticks resides in their ability to harbor pathogens that can be transmitted to terrestrial vertebrates including humans. Recently, studies have focused on the taxonomic and functional composition of the tick microbiome, its microbial diversity and variation under different factors including tick species, sex, and environment among others. Of special interest are the interactions between the tick, the microbiome and pathogens since tick microbiome can influence pathogen colonization within the tick vector, and potentially, transmission to the vertebrate host. In this review, we tackled a synthesis on the growing field of tick microbiomes. We focus on the current state of tick microbiome research, addressing controversial and hotly debated topics and advances in the precise manipulation of tick microbiome. Furthermore, we discuss the innovative anti-tick microbiota vaccines as a possible tool for microbiome modulation and thus, control of tick-borne diseases. Deciphering tick-microbiome pathogen interactions can spur new strategies to control tick-borne diseases via modulation of tick microbiome. Whether the diversity observed in tick microbiomes concerns the biology or the methodology remains an open question. Tick immunity must play a major role in selecting ‘who stays and who leaves’ the microbiome. Anti-tick microbiota vaccines can target specific bacteria and subsequently modulate tick microbiome.
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Affiliation(s)
- Alejandra Wu-Chuang
- Anses, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, F-94700, France
| | - Adnan Hodžić
- Institute of Parasitology, Department of Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Lourdes Mateos-Hernández
- Anses, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, F-94700, France
| | | | - Dasiel Obregon
- School of Environmental Sciences University of Guelph, Guelph, Ontario, N1G 2W1, Canada
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, 13400-970, Brazil
| | - Alejandro Cabezas-Cruz
- Anses, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, F-94700, France
- Corresponding author.
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20
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King'ori EM, Obanda V, Nyamota R, Remesar S, Chiyo PI, Soriguer R, Morrondo P. Population genetic structure of the elephant tick Amblyomma tholloni from different elephant populations in Kenya. Ticks Tick Borne Dis 2022; 13:101935. [DOI: 10.1016/j.ttbdis.2022.101935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 02/10/2022] [Accepted: 03/05/2022] [Indexed: 11/25/2022]
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21
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Buysse M, Floriano AM, Gottlieb Y, Nardi T, Comandatore F, Olivieri E, Giannetto A, Palomar AM, Makepeace BL, Bazzocchi C, Cafiso A, Sassera D, Duron O. A dual endosymbiosis supports nutritional adaptation to hematophagy in the invasive tick Hyalomma marginatum. eLife 2021; 10:e72747. [PMID: 34951405 PMCID: PMC8709577 DOI: 10.7554/elife.72747] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 12/14/2021] [Indexed: 12/25/2022] Open
Abstract
Many animals are dependent on microbial partners that provide essential nutrients lacking from their diet. Ticks, whose diet consists exclusively on vertebrate blood, rely on maternally inherited bacterial symbionts to supply B vitamins. While previously studied tick species consistently harbor a single lineage of those nutritional symbionts, we evidence here that the invasive tick Hyalomma marginatum harbors a unique dual-partner nutritional system between an ancestral symbiont, Francisella, and a more recently acquired symbiont, Midichloria. Using metagenomics, we show that Francisella exhibits extensive genome erosion that endangers the nutritional symbiotic interactions. Its genome includes folate and riboflavin biosynthesis pathways but deprived functional biotin biosynthesis on account of massive pseudogenization. Co-symbiosis compensates this deficiency since the Midichloria genome encompasses an intact biotin operon, which was primarily acquired via lateral gene transfer from unrelated intracellular bacteria commonly infecting arthropods. Thus, in H. marginatum, a mosaic of co-evolved symbionts incorporating gene combinations of distant phylogenetic origins emerged to prevent the collapse of an ancestral nutritional symbiosis. Such dual endosymbiosis was never reported in other blood feeders but was recently documented in agricultural pests feeding on plant sap, suggesting that it may be a key mechanism for advanced adaptation of arthropods to specialized diets.
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Affiliation(s)
- Marie Buysse
- MIVEGEC (Maladies Infectieuses et Vecteurs : Ecologie, Génétique, Evolution et Contrôle), Univ. Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Institut pour la Recherche et le Développement (IRD)MontpellierFrance
- Centre of Research in Ecology and Evolution of Diseases (CREES), Montpellier, FranceMontpellierFrance
| | - Anna Maria Floriano
- Department of Biology and Biotechnology “L. Spallanzani”, University of PaviaPaviaItaly
- Faculty of Science, University of South BohemiaČeské BudějoviceCzech Republic
| | - Yuval Gottlieb
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of JerusalemRehovotIsrael
| | - Tiago Nardi
- Department of Biology and Biotechnology “L. Spallanzani”, University of PaviaPaviaItaly
| | - Francesco Comandatore
- Department of Biomedical and Clinical Sciences L. Sacco and Pediatric Clinical Research Center, University of MilanMilanItaly
| | - Emanuela Olivieri
- Department of Biology and Biotechnology “L. Spallanzani”, University of PaviaPaviaItaly
| | - Alessia Giannetto
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of MessinaMessinaItaly
| | - Ana M Palomar
- Center of Rickettsiosis and Arthropod-Borne Diseases (CRETAV), San Pedro University Hospital- Center of Biomedical Research from La Rioja (CIBIR)LogroñoSpain
| | - Benjamin L Makepeace
- Institute of Infection, Veterinary & Ecological Sciences, University of LiverpoolLiverpoolUnited Kingdom
| | | | | | - Davide Sassera
- Department of Biology and Biotechnology “L. Spallanzani”, University of PaviaPaviaItaly
| | - Olivier Duron
- MIVEGEC (Maladies Infectieuses et Vecteurs : Ecologie, Génétique, Evolution et Contrôle), Univ. Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Institut pour la Recherche et le Développement (IRD)MontpellierFrance
- Centre of Research in Ecology and Evolution of Diseases (CREES), Montpellier, FranceMontpellierFrance
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22
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Yang ZW, Men Y, Zhang J, Liu ZH, Luo JY, Wang YH, Li WJ, Xie Q. Evaluation of Sample Preservation Approaches for Better Insect Microbiome Research According to Next-Generation and Third-Generation Sequencing. MICROBIAL ECOLOGY 2021; 82:971-980. [PMID: 33709229 DOI: 10.1007/s00248-021-01727-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Accepted: 02/24/2021] [Indexed: 05/13/2023]
Abstract
The microbial communities associated with insects play critical roles in many physiological functions such as digestion, nutrition, and defense. Meanwhile, with the development of sequencing technology, more and more studies begin to focus on broader biodiversity of insects and the corresponding mechanisms of insect microbial symbiosis, which need longer time collecting in the field. However, few studies have evaluated the effect of insect microbiome sample preservation approaches especially in different time durations or have assessed whether these approaches are appropriate for both next-generation sequencing (NGS) and third-generation sequencing (TGS) technologies. Here, we used Tessaratoma papillosa (Hemiptera: Tessaratomidae), an important litchi pest, as the model insect and adopted two sequencing technologies to evaluate the effect of four different preservation approaches (cetyltrimethylammonium bromide (CTAB), ethanol, air dried, and RNAlater). We found the samples treated by air dried method, which entomologists adopted for morphological observation and classical taxonomy, would get worse soon. RNAlater as the most expensive approaches for insect microbiome sample preservation did not suit for field works longer than 1 month. We recommended CTAB and ethanol as better preservatives in longer time field work for their effectiveness and low cost. Comparing with the full-length 16S rRNA gene sequenced by TGS, the V4 region of 16S rRNA gene sequenced by NGS has a lower resolution trait and may misestimate the composition of microbial communities. Our results provided recommendations for suitable preservation approaches applied to insect microbiome studies based on two sequencing technologies, which can help researchers properly preserve samples in field works.
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Affiliation(s)
- Zi-Wen Yang
- State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
| | - Yu Men
- State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
| | - Jing Zhang
- State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
| | - Zhi-Hui Liu
- State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
| | - Jiu-Yang Luo
- State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
- College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Yan-Hui Wang
- State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
| | - Wen-Jun Li
- State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China.
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China.
- Guangdong Provincial Key Laboratory of Plant Resources and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, 510275, Guangzhou, China.
| | - Qiang Xie
- State Key Laboratory of Biocontrol, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China.
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China.
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23
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Zhong Z, Zhong T, Peng Y, Zhou X, Wang Z, Tang H, Wang J. Symbiont-regulated serotonin biosynthesis modulates tick feeding activity. Cell Host Microbe 2021; 29:1545-1557.e4. [PMID: 34525331 DOI: 10.1016/j.chom.2021.08.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 07/22/2021] [Accepted: 08/20/2021] [Indexed: 11/18/2022]
Abstract
Ticks are obligate hematophagous arthropods. Blood feeding ensures that ticks obtain nutrients essential for their survival, development, and reproduction while providing routes for pathogen transmission. However, the effectors that determine tick feeding activities remain poorly understood. Here, we demonstrate that reduced abundance of the symbiont Coxiella (CHI) in Haemaphysalis longicornis decreases blood intake. Providing tetracycline-treated ticks with the CHI-derived tryptophan precursor chorismate, tryptophan, or 5-hydroxytryptamine (5-HT; serotonin) restores the feeding defect. Mechanistically, CHI-derived chorismate increases tick 5-HT biosynthesis by stimulating the expression of aromatic amino acid decarboxylase (AAAD), which catalyzes the decarboxylation of 5-hydroxytryptophan (5-HTP) to 5-HT. The increased level of 5-HT in the synganglion and midgut promotes tick feeding. Inhibition of CHI chorismate biosynthesis by treating the colonized tick with the herbicide glyphosate suppresses blood-feeding behavior. Taken together, our results demonstrate an important function of the endosymbiont Coxiella in the regulation of tick 5-HT biosynthesis and feeding.
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Affiliation(s)
- Zhengwei Zhong
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai 200438, P. R. China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai 200438, P. R. China
| | - Ting Zhong
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai 200438, P. R. China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai 200438, P. R. China
| | - Yeqing Peng
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai 200438, P. R. China; Zhongshan Hospital and School of Life Sciences, Human Phenome Institute, Metabonomics and Systems Biology Laboratory at Shanghai International Centre for Molecular Phenomics, Fudan University, Shanghai 200438, P. R. China
| | - Xiaofeng Zhou
- Human Phenome Institute, Fudan University, Shanghai 200433, P. R. China
| | - Zhiqian Wang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai 200438, P. R. China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai 200438, P. R. China
| | - Huiru Tang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai 200438, P. R. China; Zhongshan Hospital and School of Life Sciences, Human Phenome Institute, Metabonomics and Systems Biology Laboratory at Shanghai International Centre for Molecular Phenomics, Fudan University, Shanghai 200438, P. R. China
| | - Jingwen Wang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai 200438, P. R. China; Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai 200438, P. R. China.
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Complete Mitochondrial Genome Sequence of the Gulf Coast Tick (Amblyomma maculatum). Microbiol Resour Announc 2021; 10:e0043121. [PMID: 34553990 PMCID: PMC8459658 DOI: 10.1128/mra.00431-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The complete circularized mitochondrial genome sequence of Amblyomma maculatum is 14,803 bp long. It encodes 13 protein coding genes, 2 rRNA genes, 22 tRNA genes, 2 tick box motifs, and 2 control regions. The gene arrangement and content are consistent with those of previously reported Metastriata tick mitochondrial genomes.
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25
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Four Tick-Borne Microorganisms and Their Prevalence in Hyalomma Ticks Collected from Livestock in United Arab Emirates. Pathogens 2021; 10:pathogens10081005. [PMID: 34451469 PMCID: PMC8398371 DOI: 10.3390/pathogens10081005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 07/28/2021] [Accepted: 08/06/2021] [Indexed: 12/02/2022] Open
Abstract
Ticks and associated tick-borne diseases in livestock remain a major threat to the health of animals and people worldwide. However, in the United Arab Emirates (UAE), very few studies have been conducted on tick-borne microorganisms thus far. The purpose of this cross-sectional DNA-based study was to assess the presence and prevalence of tick-borne Francisella sp., Rickettsia sp., and piroplasmids in ticks infesting livestock, and to estimate their infection rates. A total of 562 tick samples were collected from camels, cows, sheep, and goats in the Emirates of Abu Dhabi, Dubai, and Sharjah from 24 locations. DNA was extracted from ticks and PCR was conducted. We found that Hyalomma dromedarii ticks collected from camels had Francisella sp. (5.81%) and SFG Rickettsia (1.36%), which was 99% similar to Candidatus Rickettsia andeanae and uncultured Rickettsia sp. In addition, Hyalomma anatolicum ticks collected from cows were found to be positive for Theileria annulata (4.55%), whereas H. anatolicum collected from goats were positive for Theileria ovis (10%). The widespread abundance of Francisella of unknown pathogenicity and the presence of Rickettsia are a matter of concern. The discovery of T. ovis from relatively few samples from goats indicates the overall need for more surveillance. Increasing sampling efforts over a wider geographical range within the UAE could reveal the true extent of tick-borne diseases in livestock. Moreover, achieving successful tick-borne disease control requires more research and targeted studies evaluating the pathogenicity and infection rates of many microbial species.
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26
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Alafaci A, Crépin A, Beaubert S, Berjeaud JM, Delafont V, Verdon J. Exploring the Individual Bacterial Microbiota of Questing Ixodes ricinus Nymphs. Microorganisms 2021; 9:microorganisms9071526. [PMID: 34361961 PMCID: PMC8303981 DOI: 10.3390/microorganisms9071526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/25/2021] [Accepted: 07/14/2021] [Indexed: 11/29/2022] Open
Abstract
Ixodes ricinus is the most common hard tick species in Europe and an important vector of pathogens of human and animal health concerns. The rise of high-throughput sequencing has facilitated the identification of many tick-borne pathogens and, more globally, of various microbiota members depending on the scale of concern. In this study, we aimed to assess the bacterial diversity of individual I. ricinus questing nymphs collected in France using high-throughput 16S gene metabarcoding. From 180 dragging-collected nymphs, we identified more than 700 bacterial genera, of which about 20 are abundantly represented (>1% of total reads). Together with 136 other genera assigned, they constitute a core internal microbiota in this study. We also identified 20 individuals carrying Borreliella. The most abundant species is B. afzelii, known to be one of the bacteria responsible for Lyme disease in Europe. Co-detection of up to four Borreliella genospecies within the same individual has also been retrieved. The detection and co-detection rate of Borreliella in I. ricinus nymphs is high and raises the question of interactions between these bacteria and the communities constituting the internal microbiota.
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27
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Chanson A, Moreau CS, Duplais C. Assessing Biosynthetic Gene Cluster Diversity of Specialized Metabolites in the Conserved Gut Symbionts of Herbivorous Turtle Ants. Front Microbiol 2021; 12:678100. [PMID: 34267736 PMCID: PMC8277422 DOI: 10.3389/fmicb.2021.678100] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 05/28/2021] [Indexed: 12/24/2022] Open
Abstract
Cephalotes are herbivorous ants (>115 species) feeding on low-nitrogen food sources, and they rely on gut symbionts to supplement their diet by recycling nitrogen food waste into amino acids. These conserved gut symbionts, which encompass five bacterial orders, have been studied previously for their primary nitrogen metabolism; however, little is known about their ability to biosynthesize specialized metabolites which can play a role in bacterial interactions between communities living in close proximity in the gut. To evaluate the biosynthetic potential of their gut symbionts, we mine 14 cultured isolate genomes and gut metagenomes across 17 Cephalotes species to explore the biodiversity of biosynthetic gene clusters (BGCs) producing specialized metabolites. The diversity of BGCs across Cephalotes phylogeny was analyzed using sequence similarity networking and BGC phylogenetic reconstruction. Our results reveal that the conserved gut symbionts involved in the nutritional symbiosis possess 80% of all the 233 BGCs retrieved in this work. Furthermore, the phylogenetic analysis of BGCs reveals different patterns of distribution, suggesting different mechanisms of conservation. A siderophore BGC shows high similarity in a single symbiont across different ant host species, whereas a BGC encoding the production of non-ribosomal peptides (NRPs) found different symbionts within a single host species. Additionally, BGCs were abundant in four of the five bacterial orders of conserved symbionts co-occurring in the hindgut. However, one major symbiont localized alone in the midgut lack BGCs. Because the spatial isolation prevents direct interaction with other symbionts, this result supports the idea that BGCs are maintained in bacteria living in close proximity but are dispensable for an alone-living symbiont. These findings together pave the way for studying the mechanisms of BGC conservation and evolution in gut bacterial genomes associated with Cephalotes. This work also provides a genetic background for further study, aiming to characterize bacterial specialized metabolites and to understand their functional role in multipartite mutualisms between conserved gut symbionts and Cephalotes turtle ants.
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Affiliation(s)
- Anaïs Chanson
- Université de Guyane, UMR 8172 EcoFoG, AgroParisTech, CNRS, Cirad, INRAE, Université des Antilles, Kourou, France
| | - Corrie S. Moreau
- Department of Entomology and Ecology & Evolutionary Biology, Cornell University, Ithaca, NY, United States
| | - Christophe Duplais
- CNRS, UMR 8172 EcoFoG, AgroParisTech, Cirad, INRAE, Université des Antilles, Université de Guyane, Kourou, France
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28
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Dall'Agnol B, McCulloch JA, Mayer FQ, Souza U, Webster A, Antunes P, Doyle RL, Reck J, Ferreira CAS. Molecular characterization of bacterial communities of two neotropical tick species (Amblyomma aureolatum and Ornithodoros brasiliensis) using rDNA 16S sequencing. Ticks Tick Borne Dis 2021; 12:101746. [PMID: 34091278 DOI: 10.1016/j.ttbdis.2021.101746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 04/01/2021] [Accepted: 04/06/2021] [Indexed: 11/16/2022]
Abstract
Ticks are one of the main vectors of pathogens for humans and animals worldwide. However, they harbor non-pathogenic microorganisms that are important for their survival, facilitating both their nutrition and immunity. We investigated the bacterial communities associated with two neotropical tick species of human and veterinary potential health importance from Brazil: Amblyomma aureolatum and Ornithodoros brasiliensis. In A. aureolatum (adult ticks collected from wild canids from Southern Brazil), the predominant bacterial phyla were Proteobacteria (98.68%), Tenericutes (0.70%), Bacteroidetes (0.14%), Actinobacteria (0.13%), and Acidobacteria (0.05%). The predominant genera were Francisella (97.01%), Spiroplasma (0.70%), Wolbachia (0.51%), Candidatus Midichloria (0.25%), and Alkanindiges (0.13%). The predominant phyla in O. brasiliensis (adults, fed and unfed nymphs collected at the environment from Southern Brazil) were Proteobacteria (90.27%), Actinobacteria (7.38%), Firmicutes (0.77%), Bacteroidetes (0.44%), and Planctomycetes (0.22%). The predominant bacterial genera were Coxiella (87.71%), Nocardioides (1.73%), Saccharopolyspora (0.54%), Marmoricola (0.42%), and Staphylococcus (0.40%). Considering the genera with potential importance for human and animal health which can be transmitted by ticks, Coxiella sp. was found in all stages of O. brasiliensis, Francisella sp. in all stages of A. aureolatum and in unfed nymphs of O. brasiliensis, and Rickettsia sp. in females of A. aureolatum from Banhado dos Pachecos (BP) in Viamão municipality, Brazil, and in females and unfed nymphs of O. brasiliensis. These results deepen our understanding of the tick-microbiota relationship in Ixodidae and Argasidae, driving new studies with the focus on the manipulation of tick microbiota to prevent outbreaks of tick-borne diseases in South America.
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Affiliation(s)
- Bruno Dall'Agnol
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil; Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil.
| | | | - Fabiana Quoos Mayer
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Ugo Souza
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Anelise Webster
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Paola Antunes
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Rovaina Laureano Doyle
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - José Reck
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil.
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29
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Brenner AE, Muñoz-Leal S, Sachan M, Labruna MB, Raghavan R. Coxiella burnetii and Related Tick Endosymbionts Evolved from Pathogenic Ancestors. Genome Biol Evol 2021; 13:6278299. [PMID: 34009306 PMCID: PMC8290121 DOI: 10.1093/gbe/evab108] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/12/2021] [Indexed: 12/11/2022] Open
Abstract
Both symbiotic and pathogenic bacteria in the family Coxiellaceae cause morbidity and mortality in humans and animals. For instance, Coxiella-like endosymbionts (CLEs) improve the reproductive success of ticks—a major disease vector, while Coxiella burnetii causes human Q fever, and uncharacterized coxiellae infect both animals and humans. To better understand the evolution of pathogenesis and symbiosis in this group of intracellular bacteria, we sequenced the genome of a CLE present in the soft tick Ornithodoros amblus (CLEOA) and compared it to the genomes of other bacteria in the order Legionellales. Our analyses confirmed that CLEOA is more closely related to C. burnetii, the human pathogen, than to CLEs in hard ticks, and showed that most clades of CLEs contain both endosymbionts and pathogens, indicating that several CLE lineages have evolved independently from pathogenic Coxiella. We also determined that the last common ancestorof CLEOA and C. burnetii was equipped to infect macrophages and that even though horizontal gene transfer (HGT) contributed significantly to the evolution of C. burnetii, most acquisition events occurred primarily in ancestors predating the CLEOA–C. burnetii divergence. These discoveries clarify the evolution of C. burnetii, which previously was assumed to have emerged when an avirulent tick endosymbiont recently gained virulence factors via HGT. Finally, we identified several metabolic pathways, including heme biosynthesis, that are likely critical to the intracellular growth of the human pathogen but not the tick symbiont, and show that the use of heme analog is a promising approach to controlling C. burnetii infections.
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Affiliation(s)
- Amanda E Brenner
- Department of Biology and Center for Life in Extreme Environments, Portland State University, Portland, OR, USA
| | - Sebastián Muñoz-Leal
- Departamento de Patología y Medicina Preventiva, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Ñuble, Chile
| | - Madhur Sachan
- Department of Biology and Center for Life in Extreme Environments, Portland State University, Portland, OR, USA
| | - Marcelo B Labruna
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
| | - Rahul Raghavan
- Department of Biology and Center for Life in Extreme Environments, Portland State University, Portland, OR, USA.,Department of Biology and South Texas Center for Emerging Infectious Diseases, The University of Texas at San Antonio, San Antonio, TX, USA
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de Thoisy B, Duron O, Epelboin L, Musset L, Quénel P, Roche B, Binetruy F, Briolant S, Carvalho L, Chavy A, Couppié P, Demar M, Douine M, Dusfour I, Epelboin Y, Flamand C, Franc A, Ginouvès M, Gourbière S, Houël E, Kocher A, Lavergne A, Le Turnier P, Mathieu L, Murienne J, Nacher M, Pelleau S, Prévot G, Rousset D, Roux E, Schaub R, Talaga S, Thill P, Tirera S, Guégan JF. Ecology, evolution, and epidemiology of zoonotic and vector-borne infectious diseases in French Guiana: Transdisciplinarity does matter to tackle new emerging threats. INFECTION GENETICS AND EVOLUTION 2021; 93:104916. [PMID: 34004361 DOI: 10.1016/j.meegid.2021.104916] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 05/09/2021] [Accepted: 05/12/2021] [Indexed: 02/06/2023]
Abstract
French Guiana is a European ultraperipheric region located on the northern Atlantic coast of South America. It constitutes an important forested region for biological conservation in the Neotropics. Although very sparsely populated, with its inhabitants mainly concentrated on the Atlantic coastal strip and along the two main rivers, it is marked by the presence and development of old and new epidemic disease outbreaks, both research and health priorities. In this review paper, we synthetize 15 years of multidisciplinary and integrative research at the interface between wildlife, ecosystem modification, human activities and sociodemographic development, and human health. This study reveals a complex epidemiological landscape marked by important transitional changes, facilitated by increased interconnections between wildlife, land-use change and human occupation and activity, human and trade transportation, demography with substantial immigration, and identified vector and parasite pharmacological resistance. Among other French Guianese characteristics, we demonstrate herein the existence of more complex multi-host disease life cycles than previously described for several disease systems in Central and South America, which clearly indicates that today the greater promiscuity between wildlife and humans due to demographic and economic pressures may offer novel settings for microbes and their hosts to circulate and spread. French Guiana is a microcosm that crystallizes all the current global environmental, demographic and socioeconomic change conditions, which may favor the development of ancient and future infectious diseases.
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Affiliation(s)
- Benoît de Thoisy
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de la Guyane, Cayenne Cedex, French Guiana.
| | - Olivier Duron
- UMR MIVEGEC, IRD, CNRS, Université de Montpellier, Centre IRD de Montpellier, Montpellier, France; Centre de Recherche en Écologie et Évolution de la Santé, Montpellier, France
| | - Loïc Epelboin
- Infectious Diseases Department, Centre Hospitalier de Cayenne, Cayenne, French Guiana
| | - Lise Musset
- Laboratoire de Parasitologie, Centre Collaborateur OMS Pour La Surveillance Des Résistances Aux Antipaludiques, Centre National de Référence du Paludisme, Pôle zones Endémiques, Institut Pasteur de la Guyane, Cayenne, French Guiana
| | - Philippe Quénel
- Université de Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail), UMR-S 1085 Rennes, France
| | - Benjamin Roche
- UMR MIVEGEC, IRD, CNRS, Université de Montpellier, Centre IRD de Montpellier, Montpellier, France; Centre de Recherche en Écologie et Évolution de la Santé, Montpellier, France
| | - Florian Binetruy
- UMR MIVEGEC, IRD, CNRS, Université de Montpellier, Centre IRD de Montpellier, Montpellier, France
| | - Sébastien Briolant
- Unité Parasitologie et Entomologie, Département Microbiologie et Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France; Aix Marseille Université, IRD, SSA, AP-HM, UMR Vecteurs - Infections Tropicales et Méditerranéennes (VITROME), France; IHU Méditerranée Infection, Marseille, France
| | | | - Agathe Chavy
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de la Guyane, Cayenne Cedex, French Guiana
| | - Pierre Couppié
- Dermatology Department, Centre Hospitalier de Cayenne, Cayenne, French Guiana
| | - Magalie Demar
- TBIP, Université de Guyane, Cayenne, French Guiana; Université de Lille, CNRS, Inserm, Institut Pasteur de Lille, U1019-UMR 9017-CIIL Centre d'Infection et d'Immunité de Lille, Lille, France
| | - Maylis Douine
- Centre d'Investigation Clinique Antilles-Guyane, Inserm 1424, Centre Hospitalier de Cayenne, Cayenne, French Guiana
| | - Isabelle Dusfour
- Département de Santé Globale, Institut Pasteur, Paris, France; Institut Pasteur de la Guyane, Vectopôle Amazonien Emile Abonnenc, Cayenne, French Guiana
| | - Yanouk Epelboin
- Institut Pasteur de la Guyane, Vectopôle Amazonien Emile Abonnenc, Cayenne, French Guiana
| | - Claude Flamand
- Epidemiology Unit, Institut Pasteur de la Guyane, Cayenne, French Guiana; Mathematical Modelling of Infectious Diseases Unit, Institut Pasteur, UMR 2000, CNRS, Paris, France
| | - Alain Franc
- UMR BIOGECO, INRAE, Université de Bordeaux, Cestas, France; Pleiade, EPC INRIA-INRAE-CNRS, Université de Bordeaux Talence, France
| | - Marine Ginouvès
- TBIP, Université de Guyane, Cayenne, French Guiana; Université de Lille, CNRS, Inserm, Institut Pasteur de Lille, U1019-UMR 9017-CIIL Centre d'Infection et d'Immunité de Lille, Lille, France
| | - Sébastien Gourbière
- UMR 5096 Laboratoire Génome et Développement des Plantes, Université de Perpignan Via Domitia, Perpignan, France
| | - Emeline Houël
- CNRS, UMR EcoFoG, AgroParisTech, Cirad, INRAE, Université des Antilles, Université de Guyane, Cayenne, France
| | - Arthur Kocher
- Transmission, Infection, Diversification & Evolution Group, Max-Planck Institute for the Science of Human History, Kahlaische Str. 10, 07745 Jena, Germany; Laboratoire Evolution et Diversité Biologique (UMR 5174), Université de Toulouse, CNRS, IRD, UPS, Toulouse, France
| | - Anne Lavergne
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de la Guyane, Cayenne Cedex, French Guiana
| | - Paul Le Turnier
- Service de Maladies Infectieuses et Tropicales, Hôtel Dieu - INSERM CIC 1413, Centre Hospitalier Universitaire de Nantes, Nantes, France
| | - Luana Mathieu
- Université de Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail), UMR-S 1085 Rennes, France
| | - Jérôme Murienne
- Laboratoire Evolution et Diversité Biologique (UMR 5174), Université de Toulouse, CNRS, IRD, UPS, Toulouse, France
| | - Mathieu Nacher
- Centre d'Investigation Clinique Antilles-Guyane, Inserm 1424, Centre Hospitalier de Cayenne, Cayenne, French Guiana
| | - Stéphane Pelleau
- Université de Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail), UMR-S 1085 Rennes, France; Malaria: Parasites and Hosts, Institut Pasteur, Paris, France
| | - Ghislaine Prévot
- TBIP, Université de Guyane, Cayenne, French Guiana; Université de Lille, CNRS, Inserm, Institut Pasteur de Lille, U1019-UMR 9017-CIIL Centre d'Infection et d'Immunité de Lille, Lille, France
| | - Dominique Rousset
- Laboratoire de Virologie, Institut Pasteur de la Guyane, Cayenne Cedex, French Guiana
| | - Emmanuel Roux
- ESPACE-DEV (Institut de Recherche pour le Développement, Université de la Réunion, Université des Antilles, Université de Guyane, Université de Montpellier, Montpellier, France; International Joint Laboratory "Sentinela" Fundação Oswaldo Cruz, Universidade de Brasília, Institut de Recherche pour le Développement, Rio de Janeiro RJ-21040-900, Brazil
| | - Roxane Schaub
- TBIP, Université de Guyane, Cayenne, French Guiana; Université de Lille, CNRS, Inserm, Institut Pasteur de Lille, U1019-UMR 9017-CIIL Centre d'Infection et d'Immunité de Lille, Lille, France; Centre d'Investigation Clinique Antilles-Guyane, Inserm 1424, Centre Hospitalier de Cayenne, Cayenne, French Guiana
| | - Stanislas Talaga
- UMR MIVEGEC, IRD, CNRS, Université de Montpellier, Centre IRD de Montpellier, Montpellier, France; Institut Pasteur de la Guyane, Vectopôle Amazonien Emile Abonnenc, Cayenne, French Guiana
| | - Pauline Thill
- Service Universitaire des Maladies Infectieuses et du Voyageur, Centre Hospitalier Dron, Tourcoing, France
| | - Sourakhata Tirera
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de la Guyane, Cayenne Cedex, French Guiana
| | - Jean-François Guégan
- UMR MIVEGEC, IRD, CNRS, Université de Montpellier, Centre IRD de Montpellier, Montpellier, France; UMR ASTRE, INRAE, CIRAD, Université de Montpellier, Montpellier, France.
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Körner S, Makert GR, Ulbert S, Pfeffer M, Mertens-Scholz K. The Prevalence of Coxiella burnetii in Hard Ticks in Europe and Their Role in Q Fever Transmission Revisited-A Systematic Review. Front Vet Sci 2021; 8:655715. [PMID: 33981744 PMCID: PMC8109271 DOI: 10.3389/fvets.2021.655715] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 02/22/2021] [Indexed: 01/09/2023] Open
Abstract
The zoonosis Q fever is caused by the obligate intracellular bacterium Coxiella burnetii. Besides the main transmission route via inhalation of contaminated aerosols, ticks are discussed as vectors since the first isolation of the pathogen from a Dermacentor andersonii tick. The rare detection of C. burnetii in ticks and the difficult differentiation of C. burnetii from Coxiella-like endosymbionts (CLEs) are questioning the relevance of ticks in the epidemiology of Q fever. In this review, literature databases were systematically searched for recent prevalence studies concerning C. burnetii in ticks in Europe and experimental studies evaluating the vector competence of tick species. A total of 72 prevalence studies were included and evaluated regarding DNA detection methods and collection methods, country, and tested tick species. Specimens of more than 25 different tick species were collected in 23 European countries. Overall, an average prevalence of 4.8% was determined. However, in half of the studies, no Coxiella-DNA was detected. In Southern European countries, a significantly higher prevalence was observed, possibly related to the abundance of different tick species here, namely Hyalomma spp. and Rhipicephalus spp. In comparison, a similar proportion of studies used ticks sampled by flagging and dragging or tick collection from animals, under 30% of the total tick samples derived from the latter. There was no significant difference in the various target genes used for the molecular test. In most of the studies, no distinction was made between C. burnetii and CLEs. The application of specific detection methods and the confirmation of positive results are crucial to determine the role of ticks in Q fever transmission. Only two studies were available, which assessed the vector competence of ticks for C. burnetii in the last 20 years, demonstrating the need for further research.
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Affiliation(s)
- Sophia Körner
- Institute of Bacterial Infections and Zoonoses (IBIZ), Friedrich-Loeffler-Institute, Federal Research Institute for Animal Health, Jena, Germany
| | - Gustavo R Makert
- Department of Immunology, Fraunhofer Institute for Cell Therapy and Immunology, Leipzig, Germany
| | - Sebastian Ulbert
- Department of Immunology, Fraunhofer Institute for Cell Therapy and Immunology, Leipzig, Germany
| | - Martin Pfeffer
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, Leipzig, Germany
| | - Katja Mertens-Scholz
- Institute of Bacterial Infections and Zoonoses (IBIZ), Friedrich-Loeffler-Institute, Federal Research Institute for Animal Health, Jena, Germany
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Gomard Y, Flores O, Vittecoq M, Blanchon T, Toty C, Duron O, Mavingui P, Tortosa P, McCoy KD. Changes in Bacterial Diversity, Composition and Interactions During the Development of the Seabird Tick Ornithodoros maritimus (Argasidae). MICROBIAL ECOLOGY 2021; 81:770-783. [PMID: 33025063 DOI: 10.1007/s00248-020-01611-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Accepted: 09/22/2020] [Indexed: 06/11/2023]
Abstract
Characterising within-host microbial interactions is essential to understand the drivers that shape these interactions and their consequences for host ecology and evolution. Here, we examined the bacterial microbiota hosted by the seabird soft tick Ornithodoros maritimus (Argasidae) in order to uncover bacterial interactions within ticks and how these interactions change over tick development. Bacterial communities were characterised through next-generation sequencing of the V3-V4 hypervariable region of the bacterial 16S ribosomal RNA gene. Bacterial co-occurrence and co-exclusion were determined by analysing networks generated from the metagenomic data obtained at each life stage. Overall, the microbiota of O. maritimus was dominated by four bacterial genera, namely Coxiella, Rickettsia, Brevibacterium and Arsenophonus, representing almost 60% of the reads. Bacterial diversity increased over tick development, and adult male ticks showed higher diversity than did adult female ticks. Bacterial networks showed that co-occurrence was more frequent than co-exclusion and highlighted substantial shifts across tick life stages; interaction networks changed from one stage to the next with a steady increase in the number of interactions through development. Although many bacterial interactions appeared unstable across life stages, some were maintained throughout development and were found in both sexes, such as Coxiella and Arsenophonus. Our data support the existence of a few stable interactions in O. maritimus ticks, on top of which bacterial taxa accumulate from hosts and/or the environment during development. We propose that stable associations delineate core microbial interactions, which are likely to be responsible for key biological functions.
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Affiliation(s)
- Yann Gomard
- Université de La Réunion, UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), INSERM 1187, CNRS 9192, IRD 249, Plateforme Technologique CYROI, Sainte-Clotilde, La Réunion, France.
| | - Olivier Flores
- Université de La Réunion, UMR PVBMT (Peuplements Végétaux et Bioagresseurs en Milieu Tropical), CIRAD, Saint-Pierre, La Réunion, France
| | - Marion Vittecoq
- Tour de Valat, Research Institute for the Conservation of Mediterranean Wetlands, Arles, France
| | - Thomas Blanchon
- Tour de Valat, Research Institute for the Conservation of Mediterranean Wetlands, Arles, France
| | - Céline Toty
- Université de La Réunion, UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), INSERM 1187, CNRS 9192, IRD 249, Plateforme Technologique CYROI, Sainte-Clotilde, La Réunion, France
- MIVEGEC, University of Montpellier CNRS IRD, Centre IRD, Montpellier, France
| | - Olivier Duron
- MIVEGEC, University of Montpellier CNRS IRD, Centre IRD, Montpellier, France
- Centre for Research on the Ecology and Evolution of Diseases (CREES), Montpellier, France
| | - Patrick Mavingui
- Université de La Réunion, UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), INSERM 1187, CNRS 9192, IRD 249, Plateforme Technologique CYROI, Sainte-Clotilde, La Réunion, France
| | - Pablo Tortosa
- Université de La Réunion, UMR PIMIT (Processus Infectieux en Milieu Insulaire Tropical), INSERM 1187, CNRS 9192, IRD 249, Plateforme Technologique CYROI, Sainte-Clotilde, La Réunion, France
| | - Karen D McCoy
- MIVEGEC, University of Montpellier CNRS IRD, Centre IRD, Montpellier, France
- Centre for Research on the Ecology and Evolution of Diseases (CREES), Montpellier, France
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33
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Nardi T, Olivieri E, Kariuki E, Sassera D, Castelli M. Sequence of a Coxiella Endosymbiont of the Tick Amblyomma nuttalli Suggests a Pattern of Convergent Genome Reduction in the Coxiella Genus. Genome Biol Evol 2021; 13:evaa253. [PMID: 33275132 PMCID: PMC7851586 DOI: 10.1093/gbe/evaa253] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/30/2020] [Indexed: 12/20/2022] Open
Abstract
Ticks require bacterial symbionts for the provision of necessary compounds that are absent in their hematophagous diet. Such symbionts are frequently vertically transmitted and, most commonly, belong to the Coxiella genus, which also includes the human pathogen Coxiella burnetii. This genus can be divided in four main clades, presenting partial but incomplete cocladogenesis with the tick hosts. Here, we report the genome sequence of a novel Coxiella, endosymbiont of the African tick Amblyomma nuttalli, and the ensuing comparative analyses. Its size (∼1 Mb) is intermediate between symbionts of Rhipicephalus species and other Amblyomma species. Phylogenetic analyses show that the novel sequence is the first genome of the B clade, the only one for which no genomes were previously available. Accordingly, it allows to draw an enhanced scenario of the evolution of the genus, one of parallel genome reduction of different endosymbiont lineages, which are now at different stages of reduction from a more versatile ancestor. Gene content comparison allows to infer that the ancestor could be reminiscent of C. burnetii. Interestingly, the convergent loss of mismatch repair could have been a major driver of such reductive evolution. Predicted metabolic profiles are rather homogenous among Coxiella endosymbionts, in particular vitamin biosynthesis, consistently with a host-supportive role. Concurrently, similarities among Coxiella endosymbionts according to host genus and despite phylogenetic unrelatedness hint at possible host-dependent effects.
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Affiliation(s)
- Tiago Nardi
- Department of Biology and Biotechnology, University of Pavia, Italy
| | | | - Edward Kariuki
- Veterinary and Capture Service Department, Kenya Wildlife Service, Kenya
| | - Davide Sassera
- Department of Biology and Biotechnology, University of Pavia, Italy
| | - Michele Castelli
- Department of Biology and Biotechnology, University of Pavia, Italy
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Buysse M, Duhayon M, Cantet F, Bonazzi M, Duron O. Vector competence of the African argasid tick Ornithodoros moubata for the Q fever agent Coxiella burnetii. PLoS Negl Trop Dis 2021; 15:e0009008. [PMID: 33406079 PMCID: PMC7815103 DOI: 10.1371/journal.pntd.0009008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 01/19/2021] [Accepted: 11/25/2020] [Indexed: 12/25/2022] Open
Abstract
Q fever is a widespread zoonotic disease caused by the intracellular bacterium Coxiella burnetii. While transmission is primarily but not exclusively airborne, ticks are usually thought to act as vectors on the basis of early microscopy studies. However, recent observations revealed that endosymbionts of ticks have been commonly misidentified as C. burnetii, calling the importance of tick-borne transmission into question. In this study, we re-evaluated the vector competence of the African soft tick Ornithodoros moubata for an avirulent strain of C. burnetii. To this end, we used an artificial feeding system to initiate infection of ticks, specific molecular tools to monitor further infections, and culture assays in axenic and cell media to check for the viability of C. burnetii excreted by ticks. We observed typical traits associated with vector competence: The exposure to an infected blood meal resulted in viable and persistent infections in ticks, trans-stadial transmissions of infection from nymphs to adults and the ability of adult ticks to transmit infectious C. burnetii. However, in contrast to early studies, we found that infection differed substantially between tick organs. In addition, while adult female ticks were infected, we did not observe C. burnetii in eggs, suggesting that transovarial transmission is not effective. Finally, we detected only a sporadic presence of C. burnetii DNA in tick faeces, but no living bacterium was further isolated in culture assays, suggesting that excretion in faeces is not a common mode of transmission in O. moubata. The intracellular bacterium Coxiella burnetii is the agent of Q fever, a widespread zoonotic disease. Some early detection reports and microscopy studies identified ticks as vectors of Q fever but more recent studies and molecular analyses revealed that endosymbionts of ticks have been commonly misidentified as C. burnetii: It raises questions of whether ticks play an important role in Q fever transmission. In our study, we therefore experimentally re-evaluate the vector competence of the African soft tick Ornithodoros moubata for C. burnetii. We found that O. moubata can be infected by C. burnetii after the exposure to an infected blood meal. It resulted in viable and persistent infections in ticks, a trans-stadial transmission and the ability of adult ticks to transmit infection when feeding. Infection was however not transmitted transovarially or by faeces as early reported. Overall, we conclude that O. moubata may act as a driver of the transmission and of the spatial dispersal of Q fever among vertebrates where this tick is present in Africa.
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Affiliation(s)
- Marie Buysse
- MIVEGEC (Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle), Centre National de la Recherche Scientifique (CNRS), Institut pour la Recherche et le Développement (IRD), Université de Montpellier (UM), Montpellier, France
- CREES (Centre de Recherche en Écologie et Évolution de la Santé), Montpellier, France
- * E-mail: (MB); (OD)
| | - Maxime Duhayon
- ASTRE, University of Montpellier, CIRAD, INRAE, Montpellier, France
- CIRAD, UMR ASTRE, 34398 Montpellier, France
| | - Franck Cantet
- IRIM, CNRS, Université de Montpellier, Montpellier, France
| | - Matteo Bonazzi
- IRIM, CNRS, Université de Montpellier, Montpellier, France
| | - Olivier Duron
- MIVEGEC (Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle), Centre National de la Recherche Scientifique (CNRS), Institut pour la Recherche et le Développement (IRD), Université de Montpellier (UM), Montpellier, France
- CREES (Centre de Recherche en Écologie et Évolution de la Santé), Montpellier, France
- * E-mail: (MB); (OD)
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Bonnet SI, Pollet T. Update on the intricate tango between tick microbiomes and tick-borne pathogens. Parasite Immunol 2020; 43:e12813. [PMID: 33314216 DOI: 10.1111/pim.12813] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 12/03/2020] [Accepted: 12/07/2020] [Indexed: 12/14/2022]
Abstract
The recent development of high-throughput NGS technologies, (ie, next-generation sequencing) has highlighted the complexity of tick microbial communities-which include pathogens, symbionts, and commensals-and also their dynamic variability. Symbionts and commensals can confer crucial and diverse benefits to their hosts, playing nutritional roles or affecting fitness, development, nutrition, reproduction, defence against environmental stress and immunity. Nonpathogenic tick bacteria may also play a role in modifying tick-borne pathogen colonization and transmission, as relationships between microorganisms existing together in one environment can be competitive, exclusive, facilitating or absent, with many potential implications for both human and animal health. Consequently, ticks represent a compelling yet challenging system in which to investigate the composition and both the functional and ecological implications of tick bacterial communities, and thus merits greater attention. Ultimately, deciphering the relationships between microorganisms carried by ticks as well as symbiont-tick interactions will garner invaluable information, which may aid in some future arthropod-pest and vector-borne pathogen transmission control strategies. This review outlines recent research on tick microbiome composition and dynamics, highlights elements favouring the reciprocal influence of the tick microbiome and tick-borne agents and finally discusses how ticks and tick-borne diseases might potentially be controlled through tick microbiome manipulation in the future.
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Affiliation(s)
- Sarah Irène Bonnet
- UMR BIPAR 0956, INRAE, Ecole Nationale Vétérinaire d'Alfort, ANSES, Université Paris-Est, Maisons-Alfort, France
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36
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Díaz-Sánchez S, Fernández AM, Habela MA, Calero-Bernal R, de Mera IGF, de la Fuente J. Microbial community of Hyalomma lusitanicum is dominated by Francisella-like endosymbiont. Ticks Tick Borne Dis 2020; 12:101624. [PMID: 33418339 DOI: 10.1016/j.ttbdis.2020.101624] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 11/13/2020] [Accepted: 11/29/2020] [Indexed: 01/08/2023]
Abstract
Exploring tick associations with complex microbial communities and single-microbial partners, especially intracellular symbionts, has become crucial to understand tick biology. Of particular interest are the underlying interactions with biological consequences i.e. tick fitness, vector competence. In this study, we first sequenced the 16S rRNA bacterial phylogenetic marker in adult male ticks of Hyalomma lusitanicum collected from 5 locations in the province of Cáceres to explore the composition of its microbial community. Overall, 16S rRNA sequencing results demonstrated that the microbial community of H. lusitanicum is mostly dominated by Francisella-like endosymbionts (FLEs) (ranging from 52% to 99% of relative abundance) suggesting it is a key taxon within the microbial community and likely a primary endosymbiont. However, further research is required to explore the mechanisms underlying the interaction between FLEs and H. lusitanicum.
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Affiliation(s)
- Sandra Díaz-Sánchez
- SaBio. Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo s/n, 13005, Ciudad Real, Spain.
| | - Alberto Moraga Fernández
- SaBio. Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo s/n, 13005, Ciudad Real, Spain
| | - Miguel A Habela
- SALUVET, Animal Health Department, Faculty of Veterinary Science, Complutense University of Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
| | - Rafael Calero-Bernal
- Animal Health Department, University of Extremadura, Avda. Universidad s/n, 10071, Cáceres, Spain; SALUVET, Animal Health Department, Faculty of Veterinary Science, Complutense University of Madrid, Avenida Complutense s/n, 28040, Madrid, Spain
| | - Isabel G Fernández de Mera
- SaBio. Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo s/n, 13005, Ciudad Real, Spain
| | - José de la Fuente
- SaBio. Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo s/n, 13005, Ciudad Real, Spain; Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK 74078, USA
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37
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Duron O, Gottlieb Y. Convergence of Nutritional Symbioses in Obligate Blood Feeders. Trends Parasitol 2020; 36:816-825. [PMID: 32811753 DOI: 10.1016/j.pt.2020.07.007] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/06/2020] [Accepted: 07/18/2020] [Indexed: 12/11/2022]
Abstract
Symbiosis with intracellular or gut bacteria is essential for the nutrition of animals with an obligate blood-feeding habit. Divergent bacterial lineages have independently evolved functional interactions with obligate blood feeders, but all converge to an analogous biochemical feature: the provisioning of B vitamins. Although symbionts and blood feeders coevolved interdependently for millions of years we stress that their associations are not necessarily stable. Ancestral symbionts can be replaced by recently acquired bacteria with similar biochemical features, a dynamic that emerges through a combination of phylogenetic and ecological constraints. Specifically, we highlight the lateral transfer of a streamlined biotin (B7 vitamin) operon, and conjecture that its extensive spread across bacterial lineages may drive the emergence of novel nutritional symbioses with blood feeders.
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Affiliation(s)
- Olivier Duron
- MIVEGEC (Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle), Centre National de la Recherche Scientifique (CNRS) - Institut pour la Recherche et le Développement (IRD) - Université de Montpellier (UM), Montpellier, France; CREES (Centre de Recherche en Écologie et Évolution de la Santé), Montpellier, France.
| | - Yuval Gottlieb
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel.
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Uribe JE, Nava S, Murphy KR, Tarragona EL, Castro LR. Characterization of the complete mitochondrial genome of Amblyomma ovale, comparative analyses and phylogenetic considerations. EXPERIMENTAL & APPLIED ACAROLOGY 2020; 81:421-439. [PMID: 32564254 DOI: 10.1007/s10493-020-00512-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 06/12/2020] [Indexed: 06/11/2023]
Abstract
In this study, we sequenced two complete mitochondrial genomes of Amblyomma ovale, a tick of public health importance. Sequencing two distinct individuals, the resulting mitochondrial genomes were 14,756 and 14,760 bp in length and maintained the same gene order previously reported in Amblyomma. These were combined with RNA-seq derived mitochondrial sequences from three additional species, Amblyomma aureolatum, Amblyomma maculatum, and Amblyomma moreliae, to carry out mitogenome comparative and evolutionary analyses against all previously published tick mitochondrial genomes. We described a derivative genome rearrangement that isolates Ixodes from the remaining Ixodidae and consists of both a reverse translocation as well as an event of Tandem Duplication Random Loss. Genetic distance analyses indicated that cox2, nd1, nd5, and 16S are good candidates for future population studies in A. ovale. The phylogenetic analyses corroborated the utility of complete mitochondrial genomes as phylogenetic markers within the group. This study further supplements the genome information available for Amblyomma and facilitates future evolutionary and population genetic studies within the genus.
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Affiliation(s)
- Juan E Uribe
- Department of Biodiversity and Evolutionary Biology, Museo Nacional de Ciencias Naturales (MNCN-CSIC), c/ José Gutiérrez Abascal 2, 28006, Madrid, Spain.
- Department of Invertebrate Zoology, Smithsonian Institution, National Museum of Natural History, 10th St. & Constitutional Ave. NW, Washington, DC, 20560, USA.
| | - Santiago Nava
- Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Agropecuaria Rafaela, Consejo Nacional de Investigaciones Científicas y Técnicas, CC 22, Rafaela, CP 2300, Santa Fe, Argentina
| | - Katherine R Murphy
- Laboratories of Analytical Biology, National Museum of Natural History, Smithsonian Institution, Washington, DC, 20013, USA
| | - Evelina L Tarragona
- Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Agropecuaria Rafaela, Consejo Nacional de Investigaciones Científicas y Técnicas, CC 22, Rafaela, CP 2300, Santa Fe, Argentina
| | - Lyda R Castro
- Grupo de Investigación Evolución, Sistemática y Ecología Molecular (GIESEMOL), Universidad del Magdalena, Santa Marta, Magdalena, Colombia
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