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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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Liu ZL, Qiu QG, Cheng TY, Liu GH, Liu L, Duan DY. Composition of the Midgut Microbiota Structure of Haemaphysalis longicornis Tick Parasitizing Tiger and Deer. Animals (Basel) 2024; 14:1557. [PMID: 38891605 PMCID: PMC11171073 DOI: 10.3390/ani14111557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/21/2024] [Accepted: 05/22/2024] [Indexed: 06/21/2024] Open
Abstract
Haemaphysalis longicornis is a common tick species that carries several pathogens. There are few reports on the influence of different hosts on the structure of midgut microflora in H. longicornis. In this study, midgut contents of fully engorged female H. longicornis were collected from the surface of tiger (Panthera tigris) and deer (Dama dama). The bacterial genomic DNA of each sample was extracted, and the V3-V4 regions of the bacterial 16S rRNA were sequenced using the Illumina NovaSeq sequencing. The diversity of the bacterial community of the fully engorged female H. longicornis on the surface of tiger was higher than that of deer. In total, 8 phyla and 73 genera of bacteria annotations were detected in the two groups. At the phylum level, the bacterial phyla common to the two groups were Proteobacteria, Firmicutes, and Actinobacteriota. At the genus level, there were 20 common bacterial genera, among which the relative abundances of Coxiella, Morganella, Diplorickettsia, and Acinetobacter were high. The Morganella species was further identified to be Morganella morganii. The alpha diversity index indicated that the bacterial diversity of the tiger group was higher than that of the deer group. Bacteroidota, Patescibacteria, Desulfobacterota, Verrucomicrobiota, and Cyanobacteria were solely detected in the tiger group. A total of 52 bacterial genera were unique in the tiger group, while one bacterial genus was unique in the deer group. This study indicates that there are differences in the structure of the gut bacteria of the same tick species among different hosts. Further culture-based methods are needed to provide a more comprehensive understanding of the tick microbiota parasitizing different hosts.
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Affiliation(s)
- Zi-Ling Liu
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (Z.-L.L.); (T.-Y.C.); (G.-H.L.)
| | - Qi-Guan Qiu
- Changsha Ecological Zoo, Changsha 410128, China;
| | - Tian-Yin Cheng
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (Z.-L.L.); (T.-Y.C.); (G.-H.L.)
| | - Guo-Hua Liu
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (Z.-L.L.); (T.-Y.C.); (G.-H.L.)
| | - Lei Liu
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (Z.-L.L.); (T.-Y.C.); (G.-H.L.)
| | - De-Yong Duan
- Research Center for Parasites & Vectors, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (Z.-L.L.); (T.-Y.C.); (G.-H.L.)
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Fedorov D, Hornok S. Checklist of hosts, illustrated geographical range, and ecology of tick species from the genus Ixodes (Acari, Ixodidae) in Russia and other post-Soviet countries. Zookeys 2024; 1201:255-343. [PMID: 38779584 PMCID: PMC11109513 DOI: 10.3897/zookeys.1201.115467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 03/05/2024] [Indexed: 05/25/2024] Open
Abstract
Hard ticks (Acari: Ixodidae) are the economically and ecologically most important blood-sucking arthropod vectors that can transmit disease agents under temperate climate. In this group, the highest number of species (currently nearing 270) belongs to the genus Ixodes. For this review, more than 400 papers related to this genus in the context of Russia were checked for data on the host records, locations of collection, as well as ecology of assigned tick species. This monograph compensates for the lack of a similarly comprehensive English-language overview of Ixodes species in the region of Russia for nearly half century, and also makes a large set of data easily available for international readers, which is especially important if the original source is difficult to access from outside this country. In addition, the data from a significant number of papers on this topic available only in the Russian language are made accessible through this work.
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Affiliation(s)
- Denis Fedorov
- HUN-REN-UVMB Climate Change: New Blood-sucking Parasites and Vector-borne Pathogens Research Group, Budapest, HungaryHUN-REN-UVMB Climate Change: New Blood-sucking Parasites and Vector-borne Pathogens Research GroupBudapestHungary
- Zoological Institute of the Russian Academy of Sciences (ZIN-RAS), St. Petersburg, RussiaZoological Institute of the Russian Academy of Sciences (ZIN-RAS)St. PetersburgRussia
| | - Sándor Hornok
- HUN-REN-UVMB Climate Change: New Blood-sucking Parasites and Vector-borne Pathogens Research Group, Budapest, HungaryHUN-REN-UVMB Climate Change: New Blood-sucking Parasites and Vector-borne Pathogens Research GroupBudapestHungary
- Department of Parasitology and Zoology, University of Veterinary Medicine, Budapest, HungaryUniversity of Veterinary MedicineBudapestHungary
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Enferadi A, Sarani S, Mohammadipour S, Hasani SJ, Ajdari A, Asl MN, Khademi P. Molecular detection of Coxiella burnetii in ticks collected from Iran. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2024; 118:105562. [PMID: 38307395 DOI: 10.1016/j.meegid.2024.105562] [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: 11/02/2023] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/04/2024]
Abstract
The present study was conducted with the aim of investigating the prevalence and genetic structure of Coxiella burnetii in tick samples collected from domestic animals in Hormozgan province146 tick samples were randomly collected from cattle, sheep, goat, camel and dog herds in seven cities of Hormozgan. After the DNA was extracted from each tick sample; Nested-PCR method was used to identify the presence of C. burnetii using IS1111 transposon gene and isocitrate dehydrogenase icd gene. In addition, phylogenetic analysis and tree diagram were constructed based on IS1111 and icd genes. The results showed that out of 146 pool tick samples, 40 pool samples based on IS1111 gene and 32 pool samples based on icd gene were infected with C. burnetii. When results were stratified by livestock type, infection rates were highest in sheep ticks (37.5%, 95% CI: 21.2% - 57.29%), followed by cattle ticks (32.14%, 95% CI: 17.90% - 50.66%) and dog tick (15%, 95% CI: 70.6% - 29%). In camel and goat ticks, the infection rate was 15.90 and 23.07%, respectively. In conclusion, this study emphasizes the role of ticks as potential carriers of C. burneti. The results indicate the importance of cattle, sheep, goats, camels and dogs in Hormozgan region as effective factors in the epidemiology of Q fever and its impact on public health. In addition, a high degree of similarity (from 99% to 100%) was observed between IS1111 and icd genes in this study and recorded sequences from different regions of the world.
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Affiliation(s)
- Ahmad Enferadi
- Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Iran
| | - Saeedeh Sarani
- Department of Pathobiology, Faculty of Veterinary Medicine, Zabol University, Iran
| | - Shirin Mohammadipour
- Department of Pathobiology, Faculty of Veterinary Medicine, Kerman University, Iran
| | | | - Afshin Ajdari
- Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Iran
| | - Maryam Najafi Asl
- Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Iran.
| | - Peyman Khademi
- Department of Microbiology and Food Hygiene, Faculty of Veterinary Medicine, Lorestan University, Iran.
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Segura JA, Dibernardo A, Manguiat K, Waitt B, Rueda ZV, Keynan Y, Wood H, Gutiérrez LA. Molecular surveillance of microbial agents from cattle-attached and questing ticks from livestock agroecosystems of Antioquia, Colombia. Comp Immunol Microbiol Infect Dis 2024; 105:102113. [PMID: 38176202 DOI: 10.1016/j.cimid.2023.102113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 12/16/2023] [Accepted: 12/16/2023] [Indexed: 01/06/2024]
Abstract
Ticks are obligate ectoparasites and vectors of pathogens affecting health, agriculture, and animal welfare. This study collected ticks from the cattle and questing ticks of 24 Magdalena Medio Antioquia region cattle farms. Genomic DNA was extracted from the specimens (individual or pools) of the 2088 adult ticks collected from cattle and 4667 immature questing ticks collected from pastures. The molecular detection of Babesia, Anaplasma, Coxiella and Rickettsia genera was performed by polymerase chain reaction amplification and subsequent DNA sequencing. In a total of 6755 Rhipicephalus microplus DNA samples, Anaplasma marginale was the most detected with a frequency of 2% (Confidence Interval- CI 1.68-2.36), followed by Babesia bigemina with 0.28% (CI 0.16-0.44), Coxiella spp. with 0.15% (CI 0.07-0.27), and Rickettsia spp. with 0.13% (CI 0.06-0.25). Molecular analysis of the DNA sequences obtained from the tick samples revealed the presence of Coxiella-like endosymbiont and R. felis. These results demonstrated the diversity of microorganisms present in R. microplus ticks predominantly associated with cattle and questing ticks from livestock agroecosystems, suggesting their role as reservoirs and potential biological vectors of these microorganisms on the studied sites. Also, it emphasizes the need to combine acarological surveillance with clinical diagnoses and control strategies on regional and national levels.
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Affiliation(s)
- Juan A Segura
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1a No 70-01, Bloque 11C - Oficina 417, Medellín, Colombia
| | - Antonia Dibernardo
- One Health, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Kathy Manguiat
- One Health, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Brooks Waitt
- One Health, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Zulma V Rueda
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Canada; Grupo de investigación en Salud Pública, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín, Colombia
| | - Yoav Keynan
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Canada; Department of Internal Medicine, University of Manitoba, Winnipeg, Canada
| | - Heidi Wood
- One Health, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Lina A Gutiérrez
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1a No 70-01, Bloque 11C - Oficina 417, Medellín, Colombia.
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Crandall KE, Millien V, Kerr JT. Historical associations and spatiotemporal changes of pathogen presence in ticks in Canada: A systematic review. Zoonoses Public Health 2024; 71:18-33. [PMID: 37957785 DOI: 10.1111/zph.13093] [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: 07/21/2023] [Revised: 10/13/2023] [Accepted: 10/31/2023] [Indexed: 11/15/2023]
Abstract
BACKGROUND Starting in the early 20th century, ticks and their pathogens have been detected during surveillance efforts in Canada. Since then, the geographic spread of tick vectors and tick-borne pathogens has steadily increased in Canada with the establishment of tick and host populations. Sentinel surveillance in Canada primarily focuses on Ixodes scapularis, which is the main vector of Borrelia burgdorferi, the bacterium causing Lyme disease. Other tick-borne pathogens, such as Anaplasma, Babesia, and Rickettsia species, have lower prevalence in Canada, but they are emerging or re-emerging in tick and host populations. AIMS/MATERIALS & METHODS Here, we assessed the historical associations between tick vectors, hosts and pathogens and identified spatiotemporal clusters of pathogen presence in ticks in Canada using data extracted from the literature. RESULTS Approximately one-third of ticks were infected with a pathogen, and these ticks were feeding primarily on bird and mammal hosts. B. burgdorferi was the most detected pathogen and I. scapularis harboured the greatest number of pathogens. We identified several spatial outliers of high pathogen presence in ticks in addition to five spatiotemporal clusters in southern Canada, all of which have long-established tick populations. Six spatiotemporal clusters of high pathogen presence in ticks were also identified based on surveillance method, with four clusters associated with passive surveillance and two clusters associated with active surveillance. DISCUSSION Our review represents the first systematic assessment of the literature that identifies historical associations and spatiotemporal changes in tick-host-pathogen disease systems in Canada over broad spatial and temporal scales. CONCLUSION As distinct spatiotemporal clusters were identified based on surveillance method, it is imperative that surveillance efforts employ standardized methods and data reporting to comprehensively assess the presence, spread and risk of tick-borne pathogens in tick and host populations.
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Affiliation(s)
- Kirsten E Crandall
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
- Department of Biology, McGill University, Montréal, Quebec, Canada
- Redpath Museum, McGill University, Montréal, Quebec, Canada
| | - Virginie Millien
- Department of Biology, McGill University, Montréal, Quebec, Canada
- Redpath Museum, McGill University, Montréal, Quebec, Canada
| | - Jeremy T Kerr
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
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Mancuso E, Di Domenico M, Di Gialleonardo L, Menegon M, Toma L, Di Luca M, Casale F, Di Donato G, D’Onofrio L, De Rosa A, Riello S, Ferri A, Serra L, Monaco F. Tick Species Diversity and Molecular Identification of Spotted Fever Group Rickettsiae Collected from Migratory Birds Arriving from Africa. Microorganisms 2023; 11:2036. [PMID: 37630596 PMCID: PMC10458931 DOI: 10.3390/microorganisms11082036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/04/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023] Open
Abstract
The role of migratory birds in the spread of ticks and tick-borne pathogens along their routes from Africa to Europe is increasingly emerging. Wild birds can host several tick species, often infected by bacteria responsible for zoonoses. The aim of the study is to assess the possible introduction of exotic ticks carried by migratory birds into Italy from Africa and to detect the presence of Rickettsia species and Coxiella burnetii they may harbor. During a two-year survey, we collected ticks from migratory birds captured during their short stop-over on Ventotene Island. Specimens were first identified by morphology or sequencing molecular targets when needed, and then tested by real-time PCR for the presence of selected pathogens. A total of 91% of the collection consisted of sub-Saharan ticks, more than 50% of which were infected by Rickettsia species belonging to the spotted fever group, mainly represented by R. aeschlimannii. In contrast, the suspected C. burnetii detected in two soft ticks were confirmed as Coxiella-like endosymbionts and not the pathogen. Although there are still gaps in the knowledge of this dispersal process, our findings confirm the role of migratory birds in the spread of ticks and tick-borne pathogens, suggesting the need for a continuous surveillance to monitor the potential emergence of new diseases in Europe.
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Affiliation(s)
- Elisa Mancuso
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, 64100 Teramo, Italy; (M.D.D.); (L.D.G.); (G.D.D.); (L.D.); (A.D.R.); (F.M.)
- Dipartimento di Scienze Biomolecolari, Università di Urbino “Carlo Bo”, 61029 Urbino, Italy
| | - Marco Di Domenico
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, 64100 Teramo, Italy; (M.D.D.); (L.D.G.); (G.D.D.); (L.D.); (A.D.R.); (F.M.)
| | - Luigina Di Gialleonardo
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, 64100 Teramo, Italy; (M.D.D.); (L.D.G.); (G.D.D.); (L.D.); (A.D.R.); (F.M.)
| | - Michela Menegon
- Dipartimento Malattie Infettive, Reparto Malattie Trasmesse da Vettori, Istituto Superiore di Sanità, 00161 Rome, Italy; (M.M.); (L.T.); (M.D.L.); (F.C.)
| | - Luciano Toma
- Dipartimento Malattie Infettive, Reparto Malattie Trasmesse da Vettori, Istituto Superiore di Sanità, 00161 Rome, Italy; (M.M.); (L.T.); (M.D.L.); (F.C.)
| | - Marco Di Luca
- Dipartimento Malattie Infettive, Reparto Malattie Trasmesse da Vettori, Istituto Superiore di Sanità, 00161 Rome, Italy; (M.M.); (L.T.); (M.D.L.); (F.C.)
| | - Francesca Casale
- Dipartimento Malattie Infettive, Reparto Malattie Trasmesse da Vettori, Istituto Superiore di Sanità, 00161 Rome, Italy; (M.M.); (L.T.); (M.D.L.); (F.C.)
| | - Guido Di Donato
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, 64100 Teramo, Italy; (M.D.D.); (L.D.G.); (G.D.D.); (L.D.); (A.D.R.); (F.M.)
| | - Laura D’Onofrio
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, 64100 Teramo, Italy; (M.D.D.); (L.D.G.); (G.D.D.); (L.D.); (A.D.R.); (F.M.)
| | - Angela De Rosa
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, 64100 Teramo, Italy; (M.D.D.); (L.D.G.); (G.D.D.); (L.D.); (A.D.R.); (F.M.)
| | - Sara Riello
- Riserva Naturale Statale “Isole di Ventotene e Santo Stefano”, 04031 Ventotene, Italy;
| | - Andrea Ferri
- Area Avifauna Migratrice, Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), 40064 Ozzano dell’Emilia, Italy; (A.F.); (L.S.)
| | - Lorenzo Serra
- Area Avifauna Migratrice, Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), 40064 Ozzano dell’Emilia, Italy; (A.F.); (L.S.)
| | - Federica Monaco
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, 64100 Teramo, Italy; (M.D.D.); (L.D.G.); (G.D.D.); (L.D.); (A.D.R.); (F.M.)
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Ali A, Obaid MK, Almutairi MM, Alouffi A, Numan M, Ullah S, Rehman G, Islam ZU, Khan SB, Tanaka T. Molecular detection of Coxiella spp. in ticks (Ixodidae and Argasidae) infesting domestic and wild animals: with notes on the epidemiology of tick-borne Coxiella burnetii in Asia. Front Microbiol 2023; 14:1229950. [PMID: 37577446 PMCID: PMC10415105 DOI: 10.3389/fmicb.2023.1229950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 07/03/2023] [Indexed: 08/15/2023] Open
Abstract
Tick-borne Coxiella spp. are emerging in novel regions infecting different hosts, but information regarding their occurrence is limited. The purpose of this study was the molecular screening of Coxiella spp. in various ticks infesting goats, sheep, camels, cattle, wild mice, and domestic fowls (Gallus gallus domesticus) in various districts of Khyber Pakhtunkhwa, Pakistan. Morphologically identified tick species were confirmed by obtaining their cox1 sequences and were molecularly screened for Coxiella spp. by sequencing GroEL fragments. Almost 345 out of 678 (50.9%) hosts were infested by nine tick species. Regarding the age groups, the hosts having an age >3 years were highly infested (192/345, 55.6%), while gender-wise infestation was higher in female hosts (237/345, 68.7%). In collected ticks, the nymphs were outnumbered (613/1,119, 54.8%), followed by adult females (293/1,119, 26.2%) and males (213/1,119, 19.7%). A total of 227 ticks were processed for molecular identification and detection of Coxiella spp. The obtained cox1 sequences of nine tick species such as Hyalomma dromedarii, Hyalomma anatolicum, Haemaphysalis cornupunctata, Haemaphysalis bispinosa, Haemaphysalis danieli, Haemaphysalis montgomeryi, Rhipicephalus haemaphysaloides, Rhipicephalus microplus, and Argas persicus showed maximum identities between 99.6% and 100% with the same species and in the phylogenetic tree, clustered to the corresponding species. All the tick species except Ha. danieli and R. microplus were found positive for Coxiella spp. (40/227, 17.6%), including Coxiella burnetii (15/40, 6.7%), Coxiella endosymbionts (14/40, 6.3%), and different Coxiella spp. (11/40, 4.9%). By the BLAST results, the GroEL fragments of Coxiella spp. showed maximum identity to C. burnetii, Coxiella endosymbionts, and Coxiella sp., and phylogenetically clustered to the corresponding species. This is the first comprehensive report regarding the genetic characterization of Coxiella spp. in Pakistan's ticks infesting domestic and wild hosts. Proper surveillance and management measures should be undertaken to avoid health risks.
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Affiliation(s)
- Abid Ali
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan, Khyber Pakhtunkhwa, Pakistan
| | - Muhammad Kashif Obaid
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan, Khyber Pakhtunkhwa, Pakistan
| | - Mashal M. Almutairi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Abdulaziz Alouffi
- King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
| | - Muhammad Numan
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan, Khyber Pakhtunkhwa, Pakistan
| | - Shafi Ullah
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan, Khyber Pakhtunkhwa, Pakistan
| | - Gauhar Rehman
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan, Khyber Pakhtunkhwa, Pakistan
| | - Zia Ul Islam
- Department of Biotechnology, Abdul Wali Khan University Mardan, Mardan, Khyber Pakhtunkhwa, Pakistan
| | - Sher Bahadar Khan
- College of Animal Husbandry and Veterinary Sciences, Abdul Wali Khan University Mardan, Mardan, Khyber Pakhtunkhwa, Pakistan
| | - Tetsuya Tanaka
- Laboratory of Infectious Diseases, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
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Ohlopkova OV, Yakovlev SA, Emmanuel K, Kabanov AA, Odnoshevsky DA, Kartashov MY, Moshkin AD, Tuchkov IV, Nosov NY, Kritsky AA, Agalakova MA, Davidyuk YN, Khaiboullina SF, Morzunov SP, N'Fally M, Bumbali S, Camara MF, Boiro MY, Agafonov AP, Gavrilova EV, Maksyutov RA. Epidemiology of Zoonotic Coxiella burnetii in The Republic of Guinea. Microorganisms 2023; 11:1433. [PMID: 37374935 DOI: 10.3390/microorganisms11061433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/25/2023] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Q fever is a zoonotic infectious disease characterized by fever, malaise, chills, significant weakness, and muscle pain. In some cases, the disease can become chronic and affect the inner membranes of the heart, such as the valves, leading to endocarditis and a high risk of death. Coxiella burnetii (C. burnetii) is the primary causative agent of Q fever in humans. This study aims to monitor the presence of C. burnetii in ticks collected from small mammals and cattle in the Republic of Guinea (RG). METHODS Rodents were trapped in the Kindia region of RG during 2019-2020, and ticks were collected from cattle in six regions of RG. Total DNA was extracted using a commercial kit (RIBO-prep, InterLabService, Russia) following the manufacturer's instructions. Real-time PCR amplification was conducted using the kit (AmpliSens Coxiella burnetii-FL, InterLabService, Russia) to detect C. burnetii DNA. RESULTS AND CONCLUSIONS Bacterial DNA was detected in 11 out of 750 (1.4%) small mammals and 695 out of 9620 (7.2%) tick samples. The high number of infected ticks (7.2%) suggests that they are the main transmitters of C. burnetii in RG. The DNA was detected in the liver and spleen of a Guinea multimammate mouse, Mastomys erythroleucus. These findings demonstrate that C. burnetii is zoonotic in RG, and measures should be taken to monitor the bacteria's dynamics and tick prevalence in the rodent population.
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Affiliation(s)
- Olesia V Ohlopkova
- State Research Center of Virology and Biotechnology «Vector» of Rospotrebnadzor, Koltsovo 630559, Russia
| | - Sergey A Yakovlev
- Russian Research Anti-Plague Institute «Microbe» of Rospotrebnadzor, Saratov 410005, Russia
| | - Kabwe Emmanuel
- OpenLab "Gene and Cell Technologies", Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, Kazan 420008, Russia
| | - Alexey A Kabanov
- State Research Center of Virology and Biotechnology «Vector» of Rospotrebnadzor, Koltsovo 630559, Russia
| | - Dmitry A Odnoshevsky
- State Research Center of Virology and Biotechnology «Vector» of Rospotrebnadzor, Koltsovo 630559, Russia
| | - Mikhail Yu Kartashov
- State Research Center of Virology and Biotechnology «Vector» of Rospotrebnadzor, Koltsovo 630559, Russia
| | - Alexey D Moshkin
- State Research Center of Virology and Biotechnology «Vector» of Rospotrebnadzor, Koltsovo 630559, Russia
| | - Igor V Tuchkov
- Russian Research Anti-Plague Institute «Microbe» of Rospotrebnadzor, Saratov 410005, Russia
| | - Nikita Yu Nosov
- Russian Research Anti-Plague Institute «Microbe» of Rospotrebnadzor, Saratov 410005, Russia
- State Research Center of Dermatovenerology and Cosmetology of Russian Ministry of Health, Moscow 107076, Russia
| | - Andrey A Kritsky
- Russian Research Anti-Plague Institute «Microbe» of Rospotrebnadzor, Saratov 410005, Russia
- Limited Liability Company, «Biotech Campus», Moscow 117437, Russia
| | - Milana A Agalakova
- Faculty of Preventive Medicine, Ural State Medical University, Yekaterinburg 620014, Russia
- Limited Liability Company, «Quality Med», Yekaterinburg 105318, Russia
| | - Yuriy N Davidyuk
- OpenLab "Gene and Cell Technologies", Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, Kazan 420008, Russia
| | - Svetlana F Khaiboullina
- OpenLab "Gene and Cell Technologies", Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, Kazan 420008, Russia
| | | | - Magasuba N'Fally
- Faculty of Medicine, Pharmacy and Dentistry, University Gamal Abdel Nasser, Conakry 001, Guinea
| | - Sanaba Bumbali
- Research Institute of Applied Biology of Guinea, Kindia 100, Guinea
| | | | | | - Alexander P Agafonov
- State Research Center of Virology and Biotechnology «Vector» of Rospotrebnadzor, Koltsovo 630559, Russia
| | - Elena V Gavrilova
- State Research Center of Virology and Biotechnology «Vector» of Rospotrebnadzor, Koltsovo 630559, Russia
| | - Rinat A Maksyutov
- State Research Center of Virology and Biotechnology «Vector» of Rospotrebnadzor, Koltsovo 630559, Russia
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Cabrera R, Mendoza W, López-Mosquera L, Cano MA, Ortiz N, Campo V, Keynan Y, López L, Rueda ZV, Gutiérrez LA. Tick-Borne-Agents Detection in Patients with Acute Febrile Syndrome and Ticks from Magdalena Medio, Colombia. Pathogens 2022; 11:pathogens11101090. [PMID: 36297148 PMCID: PMC9611641 DOI: 10.3390/pathogens11101090] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/01/2022] [Accepted: 09/13/2022] [Indexed: 11/16/2022] Open
Abstract
Acute febrile illness (AFI) is a morbid condition with a sudden onset of fever with at least seven days of evolution, where no signs or symptoms related to an apparent infection have been identified. In Latin America, a high proportion of disease is typically due to malaria and arboviruses. However, among the infectious etiologies, tick-borne diseases (TBDs) should also be considered, especially in areas where people come into direct contact with these arthropods. This study aims to describe the etiology and epidemiology related to tick-borne agents in patients with AFI and the tick’s natural infection by agents of TBD in the rural tropical Magdalena Medio region in Colombia, and explore the factors associated with the presence of Coxiella burnetii infection. We conduct a cohort study enrolling 271 patients with AFI to detect the bacteria of the genera Anaplasma, Ehrlichia, Coxiella, Rickettsia, Borrelia, and Francisella through molecular techniques, and additionally evaluate the presence of IgG antibodies with commercially available kits. We also conduct tick collection in the patient’s households or workplaces for the molecular screening of the same bacterial genera. Seropositivity to IgG antibodies was obtained for all the bacteria analyzed, with Francisella being the most common at 39.5% (107/271), followed by R. rickettsii at 31.4% (85/271), Ehrlichia at 26.9% (73/271), R. typhi at 15.5% (42/271), Anaplasma at 14.4% (39/271), and Borrelia at 6.6% (18/271). However, these bacteria were not detected by the molecular techniques used. Coxiella burnetii infection was detected in 39.5% of the patients: 49.5% only by phase I and II IgG antibodies, 33.6% only by real-time PCR, and 16.8% had a concordant positive result for both techniques. A total of 191 adult ticks, 111 females and 80 males, were collected and identified as Rhipicephalus sanguineus s.l. and Rhipicephalus microplus. In the 169 adult ticks in which natural infection was evaluated, Ehrlichia spp. was detected in 21.3% (36/169), Coxiella spp. in 11.8% (20/169), and Anaplasma spp. in 4.7% (8/169). In conclusion, we identified the prior exposition to Francisella, Anaplasma, Ehrlichia, Rickettsia, Borrelia, and Coxiella in patients through serological tests. We also detected the infection of C. burnetii using molecular techniques. In the ticks, we identified bacteria of the genera Coxiella, Anaplasma, and Ehrlichia. These results suggest the importance of these zoonotic agents as possible causes of AFI in this region.
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Affiliation(s)
- Ruth Cabrera
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
| | - Willington Mendoza
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
| | - Loreth López-Mosquera
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
| | - Miguel Angel Cano
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
- Grupo de Investigación en Salud Pública, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
| | - Nicolas Ortiz
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
- Grupo de Investigación en Salud Pública, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
| | - Valentina Campo
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
- Grupo de Investigación en Salud Pública, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
| | - Yoav Keynan
- Department of Internal Medicine, Medical Microbiology & Infectious Diseases and Community Health Sciences, University of Manitoba, Winnipeg, MB R3E 0J9, Canada
| | - Lucelly López
- Grupo de Investigación en Salud Pública, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
| | - Zulma Vanessa Rueda
- Grupo de Investigación en Salud Pública, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
- Department of Internal Medicine, Medical Microbiology & Infectious Diseases and Community Health Sciences, University of Manitoba, Winnipeg, MB R3E 0J9, Canada
| | - Lina Andrea Gutiérrez
- Grupo Biología de Sistemas, Escuela de Ciencias de la Salud, Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín 050034, Colombia
- Correspondence:
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12
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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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Keve G, Sándor AD, Hornok S. Hard ticks (Acari: Ixodidae) associated with birds in Europe: Review of literature data. Front Vet Sci 2022; 9:928756. [PMID: 36090176 PMCID: PMC9453168 DOI: 10.3389/fvets.2022.928756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 07/18/2022] [Indexed: 11/13/2022] Open
Abstract
Hard ticks (Acari: Ixodidae) are considered the most important transmitters of pathogens in the temperate zone that covers most of Europe. In the era of climate change tick-borne diseases are predicted to undergo geographical range expansion toward the north through regions that are connected to southern areas of the continent by bird migration. This alone would justify the importance of synthesized knowledge on the association of tick species with avian hosts, yet birds also represent the most taxonomically and ecologically diverse part of urban vertebrate fauna. Birds frequently occur in gardens and near animal keeping facilities, thus playing a significant role in the dispersal of ticks and tick-borne pathogens in synanthropic environments. The primary aim of this review is to provide a comprehensive reference source (baseline data) for future studies, particularly in the context of discovering new tick-host associations after comparison with already published data. The records on the ixodid tick infestations of birds were assessed from nearly 200 papers published since 1952. In this period, 37 hard tick species were reported from 16 orders of avian hosts in Europe. Here we compile a list of these tick species, followed by the English and Latin name of all reported infested bird species, as well as the tick developmental stage and country of origin whenever this information was available. These data allowed a first-hand analysis of general trends regarding how and at which developmental stage of ticks tend to infest avian hosts. Five tick species that were frequently reported from birds and show a broad geographical distribution in the Western Palearctic (Ixodes arboricola, I. frontalis, I. ricinus, Haemaphysalis concinna and Hyalomma marginatum) were also selected for statistical comparisons. Differences were demonstrated between these tick species regarding their association with bird species that typically feed from the ground and those that rarely occur at the soil level. The ecology of these five bird-infesting tick species is also illustrated here according to avian orders, taking into account the ecology (habitat type) and activity (circadian rhythm and feeding level) of most bird species that represent a certain order.
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Affiliation(s)
- Gergő Keve
- Department of Parasitology and Zoology, University of Veterinary Medicine, Budapest, Hungary
- ELKH-ÁTE Climate Change: New Blood-Sucking Parasites and Vector-Borne Pathogens Research Group, Budapest, Hungary
| | - Attila D. Sándor
- Department of Parasitology and Zoology, University of Veterinary Medicine, Budapest, Hungary
- ELKH-ÁTE Climate Change: New Blood-Sucking Parasites and Vector-Borne Pathogens Research Group, Budapest, Hungary
- Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
- *Correspondence: Attila D. Sándor
| | - Sándor Hornok
- Department of Parasitology and Zoology, University of Veterinary Medicine, Budapest, Hungary
- ELKH-ÁTE Climate Change: New Blood-Sucking Parasites and Vector-Borne Pathogens Research Group, Budapest, Hungary
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Kumar D, Sharma SR, Adegoke A, Kennedy A, Tuten HC, Li AY, Karim S. Recently Evolved Francisella-Like Endosymbiont Outcompetes an Ancient and Evolutionarily Associated Coxiella-Like Endosymbiont in the Lone Star Tick ( Amblyomma americanum) Linked to the Alpha-Gal Syndrome. Front Cell Infect Microbiol 2022; 12:787209. [PMID: 35493735 PMCID: PMC9039623 DOI: 10.3389/fcimb.2022.787209] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 03/18/2022] [Indexed: 12/04/2022] Open
Abstract
Background Ticks are hematophagous arthropods that transmit various bacterial, viral, and protozoan pathogens of public health significance. The lone star tick (Amblyomma americanum) is an aggressive human-biting tick that transmits bacterial and viral pathogens, and its bites are suspected of eliciting the alpha-gal syndrome, a newly emerged delayed hypersensitivity following consumption of red meat in the United States. While ongoing studies have attempted to investigate the contribution of different tick-inherent factors to the induction of alpha-gal syndrome, an otherwise understudied aspect is the contribution of the tick microbiome and specifically obligate endosymbionts to the establishment of the alpha-gal syndrome in humans. Materials and Methods Here we utilized a high-throughput metagenomic sequencing approach to cataloging the entire microbial communities residing within different developmental stages and tissues of unfed and blood-fed ticks from laboratory-maintained ticks and three new geographical locations in the United States. The Quantitative Insights Into Microbial Ecology (QIIME2) pipeline was used to perform data analysis and taxonomic classification. Moreover, using a SparCC (Sparse Correlations for Compositional data) network construction model, we investigated potential interactions between members of the microbial communities from laboratory-maintained and field-collected ticks. Results Overall, Francisellaceae was the most dominant bacteria identified in the microbiome of both laboratory-raised and field-collected Am. americanum across all tissues and developmental stages. Likewise, microbial diversity was seen to be significantly higher in field-collected ticks compared with laboratory-maintained ticks as seen with a higher number of both Operational Taxonomic Units and measures of species richness. Several potential positive and negative correlations were identified from our network analysis. We observed a strong positive correlation between Francisellaceae, Rickettsiaceae, and Midichloriaceae in both developmental stages and tissues from laboratory-maintained ticks, whereas ovarian tissues had a strong positive correlation of bacteria in the family Xanthobacteraceae and Rhizobiaceae. A negative interaction was observed between Coxiellaceae and Francisellaceae in Illinois, and all the bacteria detected from ticks from Delaware were negatively correlated. Conclusion This study is the first to catalog the microbiome of Am. americanum throughout its developmental stages and different tissue niches and report the potential replacement of Coxiellaceae by Francisellaceae across developmental stages and tissues tested except in ovarian tissues. These unique and significant findings advance our knowledge and open a new avenue of research to further understand the role of tick microbiome in tick-borne diseases and develop a holistic strategy to control alpha-gal syndrome.
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Affiliation(s)
- Deepak Kumar
- School of Biological, Environmental, and Earth Sciences, University of Southern Mississippi, Hattiesburg, MS, United States
| | - Surendra Raj Sharma
- School of Biological, Environmental, and Earth Sciences, University of Southern Mississippi, Hattiesburg, MS, United States
| | - Abdulsalam Adegoke
- School of Biological, Environmental, and Earth Sciences, University of Southern Mississippi, Hattiesburg, MS, United States
| | - Ashley Kennedy
- Delaware Division of Fish & Wildlife, Delaware Mosquito Control Sect., Newark, DE, United States
| | - Holly C. Tuten
- Illinois Natural History Survey (INHS), University of Illinois Urbana-Champaign, Champaign, IL, United States
| | - Andrew Y. Li
- Invasive Insect Biocontrol & Behavior Laboratory, United States Department of Agriculture, Agricultural Research Service (USDA ARS), Beltsville, MD, United States
| | - Shahid Karim
- School of Biological, Environmental, and Earth Sciences, University of Southern Mississippi, Hattiesburg, MS, United States
- Center for Molecular and Cellular Biosciences, University of Southern Mississippi, Hattiesburg, MS, United States
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15
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Establishment and multiapproach characterization of Amblyomma sculptum (Acari: Ixodidae) cell line (ASE-14) from Brazil. Ticks Tick Borne Dis 2022; 13:101951. [DOI: 10.1016/j.ttbdis.2022.101951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 03/26/2022] [Accepted: 03/28/2022] [Indexed: 11/16/2022]
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16
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Potential Role of Birds in the Epidemiology of Coxiella burnetii, Coxiella-like Agents and Hepatozoon spp. Pathogens 2022; 11:pathogens11030298. [PMID: 35335622 PMCID: PMC8954922 DOI: 10.3390/pathogens11030298] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 02/04/2022] [Accepted: 02/24/2022] [Indexed: 02/04/2023] Open
Abstract
Birds may be involved in the epidemiology of infectious and/or parasitic diseases which affect mammals, including humans. Q fever, caused by Coxiella burnetii, is an important zoonosis causing economic losses mainly due to pathologies induced in ruminants. Even though birds are known to be potential reservoirs of C. burnetii, their role in the epidemiological cycle of the pathogen is not completely verified. In recent years, new bacteria identified as Coxiella-like agents, have been detected in birds affected by different pathologies; the potential role of these bacteria as pathogens for mammals is not currently known. Hepatozoon spp. are haemoprotozoa, causing arthropod borne affections within several vertebrate classes. The infection of vertebrate host develops after ingestion of the arthropod final hosts containing oocysts; different tissues and blood cells are then colonized by other parasite stages, such as merozoites and gamonts. In avian hosts, there are several recognized Hepatozoon species; however, their life cycle and pathogenicity have not been fully elucidated. Referring to a carrier role by avian species and their ticks in the epidemiology of canine hepatozoonosis, the only clinically relevant affection caused by this parasite genus, they would act as carriers of infected ticks and, when Hepatozoon americanum is involved, as paratenic hosts, as well.
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Hirunkanokpun S, Ahantarig A, Baimai V, Pramual P, Rakthong P, Trinachartvanit W. Spotted fever group Rickettsia, Anaplasma and Coxiella-like endosymbiont in Haemaphysalis ticks from mammals in Thailand. Vet Res Commun 2022; 46:1209-1219. [PMID: 35945408 PMCID: PMC9684344 DOI: 10.1007/s11259-022-09980-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 07/28/2022] [Indexed: 01/25/2023]
Abstract
Ticks are ectoparasites of vertebrates and vectors of various pathogenic microorganisms. In this study, the presence of bacteria and protozoa was evaluated by PCR and DNA sequencing in 233 mammal ticks collected from 8 provinces in Thailand. Sequence and phylogenetic analyses of partial rickettsial ompA, ompB, sca4 and partial Coxiella 16S rRNA, GroEL, rpoB genes clearly revealed, for the first time, a co-infection of SFG Rickettsia belonging to R. massiliae subgroup and Coxiella-like endosymbiont (CLE), Cox-hein, in a male of Haemaphysalis heinrichi tick infesting Burmese ferret-badger in Loei province. Moreover, a male of H. hystricis tick infesting the same host was infected with another CLE, Cox-hys. Based on the 16S rRNA gene sequence, Anaplasma sp., closely related to Anaplasma bovis was also detected in a male of H. heinrichi infesting the same Burmese ferret-badger. In addition, the third CLE, Cox-asia, found in H. asiatica collected from Asian palm civet in Chiang Rai province, was different from both Cox-hein and Cox-hys. This study provided important data and broadened our knowledge on tick-borne pathogens and endosymbionts in Thailand and Southeast Asia.
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Affiliation(s)
- Supanee Hirunkanokpun
- Department of Biology, Faculty of Science, Ramkhamhaeng University, Bangkok, 10240, Thailand
| | - Arunee Ahantarig
- Biodiversity Research Cluster, Department of Biology, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand
| | - Visut Baimai
- Biodiversity Research Cluster, Department of Biology, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand
| | - Pairot Pramual
- Department of Biology, Faculty of Science, Mahasarakham University, Maha Sarakham, 44150, Thailand
| | - Pakavadee Rakthong
- Faculty of Science and Technology, Rajabhat Suratthani University, Surat Thani, 84100, Thailand
| | - Wachareeporn Trinachartvanit
- Biodiversity Research Cluster, Department of Biology, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand.
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Lee H, Seo MG, Lee SH, Oem JK, Kim SH, Jeong H, Kim Y, Jheong WH, Kwon OD, Kwak D. Relationship among bats, parasitic bat flies, and associated pathogens in Korea. Parasit Vectors 2021; 14:503. [PMID: 34579766 PMCID: PMC8477550 DOI: 10.1186/s13071-021-05016-6] [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: 02/04/2021] [Accepted: 09/14/2021] [Indexed: 12/02/2022] Open
Abstract
Background Bats are hosts for many ectoparasites and act as reservoirs for several infectious agents, some of which exhibit zoonotic potential. Here, species of bats and bat flies were identified and screened for microorganisms that could be mediated by bat flies. Methods Bat species were identified on the basis of their morphological characteristics. Bat flies associated with bat species were initially morphologically identified and further identified at the genus level by analyzing the cytochrome c oxidase subunit I gene. Different vector-borne pathogens and endosymbionts were screened using PCR to assess all possible relationships among bats, parasitic bat flies, and their associated organisms. Results Seventy-four bat flies were collected from 198 bats; 66 of these belonged to Nycteribiidae and eight to Streblidae families. All Streblidae bat flies were hosted by Rhinolophus ferrumequinum, known as the most common Korean bat. Among the 74 tested bat flies, PCR and nucleotide sequencing data showed that 35 (47.3%) and 20 (27.0%) carried Wolbachia and Bartonella bacteria, respectively, whereas tests for Anaplasma, Borrelia, Hepatozoon, Babesia, Theileria, and Coxiella were negative. Phylogenetic analysis revealed that Wolbachia endosymbionts belonged to two different supergroups, A and F. One sequence of Bartonella was identical to that of Bartonella isolated from Taiwanese bats. Conclusions The vectorial role of bat flies should be checked by testing the same pathogen and bacterial organisms by collecting blood from host bats. This study is of great interest in the fields of disease ecology and public health owing to the bats’ potential to transmit pathogens to humans and/or livestock. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13071-021-05016-6.
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Affiliation(s)
- Haeseung Lee
- College of Veterinary Medicine, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, South Korea
| | - Min-Goo Seo
- Veterinary Drugs and Biologics Division, Animal and Plant Quarantine Agency, 177 Hyeoksin 8-ro, Gimcheon, Gyeongbuk, 39660, South Korea
| | - Seung-Hun Lee
- College of Veterinary Medicine, Chungbuk National University, 1 Chungdae-ro, Seowon-gu, Cheongju, Chungbuk, 28644, South Korea
| | - Jae-Ku Oem
- College of Veterinary Medicine, Jeonbuk National University, 79 Gobong-ro, Iksan, Jeonbuk, 54596, South Korea
| | - Seon-Hee Kim
- National Institute of Wildlife Disease Control and Prevention, 1 Songam-gil, Gwangsan-gu, Gwangju, 62407, South Korea
| | - Hyesung Jeong
- National Institute of Wildlife Disease Control and Prevention, 1 Songam-gil, Gwangsan-gu, Gwangju, 62407, South Korea
| | - Yongkwan Kim
- National Institute of Wildlife Disease Control and Prevention, 1 Songam-gil, Gwangsan-gu, Gwangju, 62407, South Korea
| | - Weon-Hwa Jheong
- National Institute of Wildlife Disease Control and Prevention, 1 Songam-gil, Gwangsan-gu, Gwangju, 62407, South Korea
| | - Oh-Deog Kwon
- College of Veterinary Medicine, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, South Korea
| | - Dongmi Kwak
- College of Veterinary Medicine, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, South Korea.
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Nascimento CDF, de Mello VVC, Machado RZ, André MR, Bürger KP. Molecular Detection of Coxiella burnetii in Unstandardized Minas Artisanal Cheese Marketed in Southeastern Brazil. Acta Trop 2021; 220:105942. [PMID: 33951421 DOI: 10.1016/j.actatropica.2021.105942] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 04/22/2021] [Accepted: 04/24/2021] [Indexed: 10/21/2022]
Abstract
Q fever is a zoonotic disease caused by Coxiella burnetii. The causative pathogen has been detected in dairy products, which raises the possibility of consumption of dairy products as a possible route of transmission; however, this has not been adequately described. Therefore, the aim of the present study was to investigate the presence of C. burnetii in 87 samples of artisanal cheeses made from unpasteurized raw milk sold in Minas Gerais, southeastern Brazil. The cheese samples were analyzed using quantitative real-time PCR (qPCR), and the products from positive samples were sequenced. In addition, 150 people were interviewed to outline the profile of consumers and the consumption of non-inspected dairy products. The results showed that 4.6% (4/87) of the samples were positive for C. burnetii, with 99.84% identity with the reference 16S gene. Responses from consumer interviews indicate that 95.3% (143/150) of respondents consume milk and dairy products; 50% (75/150) consume fresh Minas artisanal cheese and milk at least once a day; 64.58% (93/144) do not check the inspection stamps on the packaging at the time of purchase; and 81.56% (122/146) do not know the meaning of these stamps. Thus, the presence of C. burnetii DNA in the analyzed cheeses and the consumption of unstandardized dairy products raise an alert for the risk of transmission of Q fever in the population that consumes them.
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Atelerix algirus, the North African Hedgehog: Suitable Wild Host for Infected Ticks and Fleas and Reservoir of Vector-Borne Pathogens in Tunisia. Pathogens 2021; 10:pathogens10080953. [PMID: 34451417 PMCID: PMC8399139 DOI: 10.3390/pathogens10080953] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/05/2021] [Accepted: 07/06/2021] [Indexed: 11/17/2022] Open
Abstract
Small wild mammals are an important element in the emergence and transmission of vector-borne pathogens (VBPs). Among these species, hedgehogs have been found to be a reservoir of VBPs and host of arthropod vectors. Surveillance of VBPs in wildlife and their arthropods are crucial in a one health context. We conducted an exploratory study to screen Atelerix algirus hedgehogs and their infesting ticks and fleas for VBPs using a high throughput microfluidic real-time PCR system. Tested biopsies from hedgehogs were found to be naturally infected by Theileria youngi, Hepatozoon sp., Ehrlichia ewingii, Coxiella burnetii, and Candidatus Ehrlichia shimanensis. Similarly, Haemaphysalis erinacei and Rhipicephalus sanguineus tick species were infected by Ehrlichia ewingii, Rickettsia spp., Rickettsia massiliae, Borrelia sp., Coxiella burnetii, Rickettsia lusitaniae and Anaplasma sp. Archaeopsylla erinacei fleas were infected by Rickettsia asembonensis, Coxiella burnetii, and Rickettsia massiliae. Co-infections by two and three pathogens were detected in hedgehogs and infesting ticks and fleas. The microfluidic real-time PCR system enabled us not only to detect new and unexpected pathogens, but also to identify co-infections in hedgehogs, ticks, and fleas. We suggest that hedgehogs may play a reservoir role for VBPs in Tunisia and contribute to maintaining enzootic pathogen cycles via arthropod vectors.
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Kobayashi T, Chatanga E, Qiu Y, Simuunza M, Kajihara M, Hang’ombe BM, Eto Y, Saasa N, Mori-Kajihara A, Simulundu E, Takada A, Sawa H, Katakura K, Nonaka N, Nakao R. Molecular Detection and Genotyping of Coxiella-Like Endosymbionts in Ticks Collected from Animals and Vegetation in Zambia. Pathogens 2021; 10:pathogens10060779. [PMID: 34205691 PMCID: PMC8234379 DOI: 10.3390/pathogens10060779] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/16/2021] [Accepted: 06/19/2021] [Indexed: 01/16/2023] Open
Abstract
Ticks are obligate ectoparasites as they require to feed on their host blood during some or all stages of their life cycle. In addition to the pathogens that ticks harbor and transmit to vertebrate hosts, they also harbor other seemingly nonpathogenic microorganisms including nutritional mutualistic symbionts. Tick nutritional mutualistic symbionts play important roles in the physiology of the host ticks as they are involved in tick reproduction and growth through the supply of B vitamins as well as in pathogen maintenance and propagation. Coxiella-like endosymbionts (CLEs) are the most widespread endosymbionts exclusively reported in ticks. Although CLEs have been investigated in ticks in other parts of the world, there is no report of their investigation in ticks in Zambia. To investigate the occurrence of CLEs, their maintenance, and association with host ticks in Zambia, 175 ticks belonging to six genera, namely Amblyomma, Argas, Haemaphysalis, Hyalomma, Ornithodoros, and Rhipicephalus, were screened for CLEs, followed by characterization of CLEs by multi-locus sequence typing of the five Coxiella housekeeping genes (dnaK, groEL, rpoB, 16S rRNA, and 23S rRNA). The results showed that 45.7% (n = 80) were positive for CLEs. The comparison of the tick 16S rDNA phylogenetic tree with that of the CLEs concatenated sequences showed that there was a strong correlation between the topology of the trees. The results suggest that most of the CLEs have evolved within tick species, supporting the vertical transmission phenomenon. However, the negative results for CLE in some ticks warrants further investigations of other endosymbionts that the ticks in Zambia may also harbor.
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Affiliation(s)
- Toshiya Kobayashi
- Laboratory of Parasitology, Department of Disease Control, Graduate School of Infectious Diseases, Faculty of Veterinary Medicine, Hokkaido University, N 18 W 9, Kita-ku, Sapporo 060-0818, Japan; (T.K.); (E.C.); (K.K.); (N.N.)
| | - Elisha Chatanga
- Laboratory of Parasitology, Department of Disease Control, Graduate School of Infectious Diseases, Faculty of Veterinary Medicine, Hokkaido University, N 18 W 9, Kita-ku, Sapporo 060-0818, Japan; (T.K.); (E.C.); (K.K.); (N.N.)
- Department of Veterinary Pathobiology, Faculty of Veterinary Medicine, Lilongwe University of Agriculture and Natural Resources, Lilongwe P.O. Box 219, Malawi
| | - Yongjin Qiu
- Division of International Research Promotion, International Institute for Zoonosis Control, Hokkaido University, N 20 W10, Kita-ku, Sapporo 001-0020, Japan;
| | - Martin Simuunza
- Department of Diseases Control, School of Veterinary Medicine, The University of Zambia, Lusaka P.O. Box 32379, Zambia; (M.S.); (N.S.); (E.S.); (A.T.); (H.S.)
- Africa Centre of Excellence for Infectious Diseases of Humans and Animals, The University of Zambia, Lusaka P.O. Box 32379, Zambia;
| | - Masahiro Kajihara
- Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, N 20 W10, Kita-ku, Sapporo 001-0020, Japan; (M.K.); (Y.E.); (A.M.-K.)
| | - Bernard Mudenda Hang’ombe
- Africa Centre of Excellence for Infectious Diseases of Humans and Animals, The University of Zambia, Lusaka P.O. Box 32379, Zambia;
- Department of ParaClinical Studies, School of Veterinary Medicine, The University of Zambia, Lusaka P.O. Box 32379, Zambia
| | - Yoshiki Eto
- Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, N 20 W10, Kita-ku, Sapporo 001-0020, Japan; (M.K.); (Y.E.); (A.M.-K.)
| | - Ngonda Saasa
- Department of Diseases Control, School of Veterinary Medicine, The University of Zambia, Lusaka P.O. Box 32379, Zambia; (M.S.); (N.S.); (E.S.); (A.T.); (H.S.)
| | - Akina Mori-Kajihara
- Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, N 20 W10, Kita-ku, Sapporo 001-0020, Japan; (M.K.); (Y.E.); (A.M.-K.)
| | - Edgar Simulundu
- Department of Diseases Control, School of Veterinary Medicine, The University of Zambia, Lusaka P.O. Box 32379, Zambia; (M.S.); (N.S.); (E.S.); (A.T.); (H.S.)
- Macha Research Trust, Choma P.O. Box 630166, Zambia
| | - Ayato Takada
- Department of Diseases Control, School of Veterinary Medicine, The University of Zambia, Lusaka P.O. Box 32379, Zambia; (M.S.); (N.S.); (E.S.); (A.T.); (H.S.)
- Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, N 20 W10, Kita-ku, Sapporo 001-0020, Japan; (M.K.); (Y.E.); (A.M.-K.)
| | - Hirofumi Sawa
- Department of Diseases Control, School of Veterinary Medicine, The University of Zambia, Lusaka P.O. Box 32379, Zambia; (M.S.); (N.S.); (E.S.); (A.T.); (H.S.)
- Division of Molecular Pathobiology, International Institute for Zoonosis Control, Hokkaido University, N 20 W10, Kita-ku, Sapporo 001-0020, Japan
| | - Ken Katakura
- Laboratory of Parasitology, Department of Disease Control, Graduate School of Infectious Diseases, Faculty of Veterinary Medicine, Hokkaido University, N 18 W 9, Kita-ku, Sapporo 060-0818, Japan; (T.K.); (E.C.); (K.K.); (N.N.)
| | - Nariaki Nonaka
- Laboratory of Parasitology, Department of Disease Control, Graduate School of Infectious Diseases, Faculty of Veterinary Medicine, Hokkaido University, N 18 W 9, Kita-ku, Sapporo 060-0818, Japan; (T.K.); (E.C.); (K.K.); (N.N.)
| | - Ryo Nakao
- Laboratory of Parasitology, Department of Disease Control, Graduate School of Infectious Diseases, Faculty of Veterinary Medicine, Hokkaido University, N 18 W 9, Kita-ku, Sapporo 060-0818, Japan; (T.K.); (E.C.); (K.K.); (N.N.)
- Correspondence: ; Tel.: +81-11-706-5196
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Chisu V, Mura L, Foxi C, Masala G. Coxiellaceae in Ticks from Human, Domestic and Wild Hosts from Sardinia, Italy: High Diversity of Coxiella-like Endosymbionts. Acta Parasitol 2021; 66:654-663. [PMID: 33492605 DOI: 10.1007/s11686-020-00324-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 12/02/2020] [Indexed: 01/13/2023]
Abstract
PURPOSE Coxiella burnetii is known for its potential as veterinary and human bacterial pathogen. The bacteria have been described in ticks, but their role in transmission of Q fever in humans is considered low. Coxiella endosymbionts closely related to C. burnetii have been also isolated from an extensive range of tick species and evidence is growing that these endosymbionts could be linked to human bacteremia. The aim of this study was to get new information on the presence of Coxiella species in ticks infesting wild and domestic hosts in Sardinia, Italy. METHODS Here, 138 ticks collected from the study area were analyzed for the presence of C. burnetii and Coxiella-like bacteria by polymerase chain reaction (PCR), sequencing and philogenetic analyses using a set of primers targeting the 16S rRNA gene. RESULTS DNA of Coxiella species was detected in 69% of the total ticks examined. Based on phylogenetic analysis, the 16S rRNA Coxiella genotypes identified in this study grouped in strongly supported monophyletic clades with identified reference sequences of CLEs detected from Rhipicephalus, Dermacentor, Haemaphysalis and Ornithodoros species and with Coxiella burnetii strains isolated worldwide. CONCLUSION This study reports the molecular detection of a high diversity of Coxiella-like bacteria in Sardinian ticks and confirms also the presence of C. burnetii in tick species previously identified in the island. The role that Coxiella-like endosymbionts play in Sardinian ticks and in their vertebrate hosts needs to be explored further.
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Rini EP, Sasaki M, Astuti D, Juniantito V, Teguh Wibawan IW, Sawa H, Setiyono A. First Molecular Detection of Coxiella burnetii in Beef Cattle in West Java, Indonesia. Jpn J Infect Dis 2021; 75:83-85. [PMID: 33952768 DOI: 10.7883/yoken.jjid.2020.769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Coxiella burnetii (C. burnetii) is a bacterial agent causing Q fever which is widespread all over the world. Livestock such as cattle, goat, and sheep are the main sources of infection for this disease. Infection of C. burnetii causes abortion of livestock, resulting in economic damage. Q fever is zoonotic disease and potential public health hazard. To date, little is known about the infection of C. burnetii in livestock in Indonesia. The objective of this research is to screen the genome of C. burnetii bacteria in beef cattle in West Java, Indonesia. Organ tissue samples were collected from cattle slaughtered in slaughterhouses, West Java. C. burnetii genome was detected from cattle samples in all three samplings area by nested PCR (nPCR) targeting com1 gene of C. burnetii. Sequencing analysis of 16S rRNA gene revealed the amplicons showed 99.9% nucleotide identity to C. burnetii strains Heizberg, 1843, 2574, 701CbB1, and 14160-001. Our results indicate that the infection of C. burnetii occurs in Indonesian beef cattles and highlight the risk of exposure to C. burnetii infection in human.
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Affiliation(s)
- Elok Puspita Rini
- Department of Veterinary Clinic, Reproduction and Pathology, Faculty of Veterinary Medicine, IPB University, Indonesia
| | - Michihito Sasaki
- Research Center for Zoonosis Control (RCZC), Hokkaido University, Japan
| | - Dwi Astuti
- Department of Zoology, Research Center for Biology, Indonesian Institute of Sciences (LIPI), Indonesia
| | - Vetnizah Juniantito
- Department of Veterinary Clinic, Reproduction and Pathology, Faculty of Veterinary Medicine, IPB University, Indonesia
| | - I Wayan Teguh Wibawan
- Department of Animal Diseases and Veterinary Public Health, Faculty of Veterinary Medicine, IPB University, Indonesia
| | - Hirofumi Sawa
- Research Center for Zoonosis Control (RCZC), Hokkaido University, Japan.,Global Institution for Collaborative Research and Education (GI-CoRE), Hokkaido University, Japan
| | - Agus Setiyono
- Department of Veterinary Clinic, Reproduction and Pathology, Faculty of Veterinary Medicine, IPB University, Indonesia
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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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Saini N, Gupta RS. A robust phylogenetic framework for members of the order Legionellales and its main genera (Legionella, Aquicella, Coxiella and Rickettsiella) based on phylogenomic analyses and identification of molecular markers demarcating different clades. Antonie van Leeuwenhoek 2021; 114:957-982. [PMID: 33881638 DOI: 10.1007/s10482-021-01569-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 04/01/2021] [Indexed: 12/29/2022]
Abstract
The order Legionellales contains several clinically important microorganisms. Although members of this order are well-studied for their pathogenesis, there is a paucity of reliable characteristics distinguishing members of this order and its constituent genera. Genome sequences are now available for 73 Legionellales species encompassing ≈90% of known members from different genera. With the aim of understanding evolutionary relationships and identifying reliable molecular characteristics that are specific for this order and its constituent genera, detailed phylogenetic and comparative analyses were conducted on the protein sequences from these genomes. A phylogenomic tree was constructed based on 393 single copy proteins that are commonly shared by the members of this order to delineate the evolutionary relationships among its members. In parallel, comparative analyses were performed on protein sequences from Legionellales genomes to identify novel molecular markers consisting of conserved signature indels (CSIs) that are specific for different clades and genera. In the phylogenomic tree and in an amino acid identity matrix based on core proteins, members of the genera Aquicella, Coxiella, Legionella and Rickettsiella formed distinct clades confirming their monophyly. In these studies, Diplorickettsia massiliensis exhibited a close relationship to members of the genus Rickettsiella. The results of our comparative genomic analyses have identified 59 highly specific molecular markers consisting of CSIs in diverse proteins that are uniquely shared by different members of this order. Four of these CSIs are specific for all Legionellales species, except the two deeper-branching "Candidatus Berkiella" species, providing means for identifying members of this order in molecular terms. Twenty four, 7 and 6 CSIs are uniquely shared by members of the genera Legionella, Coxiella and Aquicella, respectively, identifying these groups in molecular terms. The descriptions of these three genera are emended to include information for their novel molecular characteristics. We also describe 12 CSIs that are uniquely shared by D. massiliensis and different members of the genus Rickettsiella. Based on these results, we are proposing an integration of the genus Diplorickettsia with Rickettsiella. Three other CSIs suggest that members of the genera Coxiella and Rickettsiella shared a common ancestor exclusive of other Legionellales. The described molecular markers, due to their exclusivity for the indicated taxa/genera, provide important means for the identification of these clinically important microorganisms and for discovering novel properties unique to them.
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Affiliation(s)
- Navneet Saini
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, L8N 3Z5, Canada
| | - Radhey S Gupta
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, ON, L8N 3Z5, Canada.
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26
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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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27
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A case report of autochthonous Q fever with pneumonia and hepatitis in northeastern China. BIOSAFETY AND HEALTH 2021. [DOI: 10.1016/j.bsheal.2021.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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28
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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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30
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Rataud A, Dupraz M, Toty C, Blanchon T, Vittecoq M, Choquet R, McCoy KD. Evaluating Functional Dispersal in a Nest Ectoparasite and Its Eco-Epidemiological Implications. Front Vet Sci 2020; 7:570157. [PMID: 33195558 PMCID: PMC7604267 DOI: 10.3389/fvets.2020.570157] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 08/27/2020] [Indexed: 11/13/2022] Open
Abstract
Functional dispersal (between-site movement, with or without subsequent reproduction) is a key trait acting on the ecological and evolutionary trajectories of a species, with potential cascading effects on other members of the local community. It is often difficult to quantify, and particularly so for small organisms such as parasites. Understanding this life history trait can help us identify the drivers of population dynamics and, in the case of vectors, the circulation of associated infectious agents. In the present study, functional dispersal of the soft tick Ornithodoros maritimus was studied at a small scale, within a colony of yellow-legged gulls (Larus michahellis). Previous work showed a random distribution of infectious agents in this tick at the within-colony scale, suggesting frequent tick movement among nests. This observation contrasts with the presumed strong endophilic nature described for this tick group. By combining an experimental field study, where both nest success and tick origin were manipulated, with Capture-Mark-Recapture modeling, dispersal rates between nests were estimated taking into account tick capture probability and survival, and considering an effect of tick sex. As expected, tick survival probability was higher in successful nests, where hosts were readily available for the blood meal, than in unsuccessful nests, but capture probability was lower. Dispersal was low overall, regardless of nest state or tick sex, and there was no evidence for tick homing behavior; ticks from foreign nests did not disperse more than ticks in their nest of origin. These results confirm the strong endophilic nature of this tick species, highlighting the importance of life cycle plasticity for adjusting to changes in host availability. However, results also raise questions with respect to the previously described within-colony distribution of infectious agents in ticks, suggesting that tick dispersal either occurs over longer temporal scales and/or that transient host movements outside the breeding period result in vector exposure to a diverse range of infectious agents.
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Affiliation(s)
- Amalia Rataud
- MIVEGEC, Univ Montpellier - CNRS - IRD, Centre IRD, Montpellier, France.,CEFE, Univ Montpellier, CNRS, EPHE, IRD, Université Paul Valéry Montpellier 3, Montpellier, France
| | - Marlène Dupraz
- MIVEGEC, Univ Montpellier - CNRS - IRD, Centre IRD, Montpellier, France
| | - Céline Toty
- MIVEGEC, Univ Montpellier - CNRS - IRD, Centre IRD, Montpellier, France
| | - Thomas Blanchon
- Tour de Valat, Research Institute for the Conservation of Mediterranean Wetlands, Arles, France
| | - Marion Vittecoq
- MIVEGEC, Univ Montpellier - CNRS - IRD, Centre IRD, Montpellier, France.,Tour de Valat, Research Institute for the Conservation of Mediterranean Wetlands, Arles, France
| | - Rémi Choquet
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Université Paul Valéry Montpellier 3, Montpellier, France
| | - Karen D McCoy
- MIVEGEC, Univ Montpellier - CNRS - IRD, Centre IRD, Montpellier, France.,Center for Research on the Ecology and Evolution of Disease (CREES), Montpellier, France
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31
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Onyiche TE, Răileanu C, Tauchmann O, Fischer S, Vasić A, Schäfer M, Biu AA, Ogo NI, Thekisoe O, Silaghi C. Prevalence and molecular characterization of ticks and tick-borne pathogens of one-humped camels (Camelus dromedarius) in Nigeria. Parasit Vectors 2020; 13:428. [PMID: 32838795 PMCID: PMC7445909 DOI: 10.1186/s13071-020-04272-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 07/30/2020] [Indexed: 12/16/2022] Open
Abstract
Background Ticks are hematophagous arthropods responsible for maintenance and transmission of several pathogens of veterinary and medical importance. Current knowledge on species diversity and pathogens transmitted by ticks infesting camels in Nigeria is limited. Therefore, the aim of this study was to unravel the status of ticks and tick-borne pathogens of camels in Nigeria. Methods Blood samples (n = 176) and adult ticks (n = 593) were collected from one-humped camels (Camelus dromedarius) of both sexes in three locations (Kano, Jigawa and Sokoto states) in north-western Nigeria and screened for the presence of Rickettsia spp., Babesia spp., Anaplasma marginale, Anaplasma spp. and Coxiella-like organisms using molecular techniques. All ticks were identified to species level using a combination of morphological and molecular methods. Results Ticks comprised the three genera Hyalomma, Amblyomma and Rhipicephalus. Hyalomma dromedarii was the most frequently detected tick species (n = 465; 78.4%) while Amblyomma variegatum (n = 1; 0.2%) and Rhipicephalus evertsi evertsi (n = 1; 0.2%) were less frequent. Other tick species included H. truncatum (n = 87; 14.7%), H. rufipes (n = 19; 3.2%), H. impeltatum (n = 18; 3.0%) and H. impressum (n = 2; 0.3%). The minimum infection rates of tick-borne pathogens in 231 tick pools included Rickettsia aeschlimannii (n = 51; 8.6%); Babesia species, (n = 4; 0.7%) comprising of B. occultans (n = 2), B. caballi (n = 1) and Babesia sp. (n = 1); Coxiella burnetii (n = 17; 2.9%); and endosymbionts in ticks (n = 62; 10.5%). We detected DNA of “Candidatus Anaplasma camelli” in 40.3% of the blood samples of camels. Other tick-borne pathogens including Anaplasma marginale were not detected. Analysis of risk factors associated with both tick infestation and infection with Anaplasma spp. in the blood indicated that age and body condition scores of the camels were significant (P < 0.05) risk factors while gender was not. Conclusions This study reports low to moderate prevalence rates of selected tick-borne pathogens associated with camels and their ticks in north-western Nigeria. The presence of zoonotic R. aeschlimannii emphasizes the need for a concerted tick control programme in Nigeria.![]()
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Affiliation(s)
- ThankGod E Onyiche
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald-Insel Riems, Germany.,Unit for Environmental Sciences and Management, North-West University, Potchefstroom Campus, Private Bag X6001, Potchefstroom, 2520, South Africa.,Department of Veterinary Parasitology and Entomology, University of Maiduguri, P. M. B. 1069, Maiduguri, 600230, Nigeria
| | - Cristian Răileanu
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald-Insel Riems, Germany
| | - Oliver Tauchmann
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald-Insel Riems, Germany
| | - Susanne Fischer
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald-Insel Riems, Germany
| | - Ana Vasić
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald-Insel Riems, Germany
| | - Mandy Schäfer
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald-Insel Riems, Germany
| | - Abdullahi A Biu
- Department of Veterinary Parasitology and Entomology, University of Maiduguri, P. M. B. 1069, Maiduguri, 600230, Nigeria
| | - Ndudim I Ogo
- Parasitology Division, National Veterinary Research Institute, Vom, Plateau State, Nigeria
| | - Oriel Thekisoe
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom Campus, Private Bag X6001, Potchefstroom, 2520, South Africa
| | - Cornelia Silaghi
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald-Insel Riems, Germany. .,Department of Biology, University of Greifswald, Domstrasse 11, 17489, Greifswald, Germany.
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Cabrera Orrego R, Ríos-Osorio LA, Keynan Y, Rueda ZV, Gutiérrez LA. Molecular detection of Coxiella burnetii in livestock farmers and cattle from Magdalena Medio in Antioquia, Colombia. PLoS One 2020; 15:e0234360. [PMID: 32520958 PMCID: PMC7286501 DOI: 10.1371/journal.pone.0234360] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 05/23/2020] [Indexed: 12/11/2022] Open
Abstract
Coxiella burnetii causes Q fever in humans and coxiellosis in animals. In humans, it causes acute febrile illnesses like influenza, pneumonia, hepatitis, and chronic illnesses such as endocarditis, vascular infection, and post-infectious fatigue syndrome. It is widely distributed worldwide, and its main reservoirs are sheep, goats, and cattle. This study aimed to determine the frequency of C. burnetii infection using molecular detection and to identify the associated factors in livestock farmers and cattle from the Magdalena Medio region of Antioquia, Colombia. Using real-time polymerase chain reaction (PCR), molecular detection was performed for the IS1111 insertion sequence of C. burnetii using genomic DNA collected from the peripheral blood of 143 livestock farmers and 192 cattle from 24 farms located in Puerto Berrío, Puerto Nare, and Puerto Triunfo. To confirm the results, bidirectional amplicon sequencing of 16S rRNA was performed in four of the positive samples. Additionally, factors associated with C. burnetii were identified using a Poisson regression with cluster effect adjustment. Real-time PCR showed positive results in 25.9% and 19.5% of livestock farmer samples and cattle samples, respectively. For livestock farmers, factors associated with C. burnetii were the area where the farm was located [Puerto Berrío, adjusted prevalence ratio (aPR): 2.13, 95% confidence interval (CI): 1.10-4.11], presence of hens (aPR: 1.47, 95% CI: 1.21-1.79), horses (aPR: 1.61, 95% CI: 1.54-1.67), and ticks (aPR: 2.36, 95% CI: 1.03-5.42) in the residence, and consumption of raw milk (aPR: 1.47, 95% CI: 1.26-1.72). For cattle, the factors associated with Coxiella genus were municipality (Puerto Nare; aPR: 0.39, 95% CI: 0.37-0.41) and time of residence on the farm (≥49 months; aPR: 2.28, 95% CI: 1.03-5.20). By analyzing sequences of the 16S rRNA molecular marker, C. burnetii infection was confirmed in livestock farmers. However, in cattle, only the presence of Coxiella-type bacteria was identified. Further research is necessary to determine the potential role that these types of bacteria have as etiological agents for disease in livestock farmers and cattle from the study area.
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Affiliation(s)
- Ruth Cabrera Orrego
- Escuela de Ciencias de la Salud, Facultad de Medicina, Grupo Biología de Sistemas, Universidad Pontificia Bolivariana, Medellín, Antioquia, Colombia
| | - Leonardo Alberto Ríos-Osorio
- Escuela de Microbiología, Grupo de Investigación en Microbiología Veterinaria, Universidad de Antioquia, Medellín, Colombia
| | - Yoav Keynan
- Department of Internal Medicine, Medical Microbiology & Infectious Diseases and Community Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Zulma Vanessa Rueda
- Escuela de Ciencias de la Salud, Facultad de Medicina, Grupo de Investigación en Salud Pública, Universidad Pontificia Bolivariana, Medellín, Antioquia, Colombia
| | - Lina Andrea Gutiérrez
- Escuela de Ciencias de la Salud, Facultad de Medicina, Grupo Biología de Sistemas, Universidad Pontificia Bolivariana, Medellín, Antioquia, Colombia
- * E-mail:
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Flanders AJ, Speer B, Reavill DR, Roberts JF, Childress AL, Atlas A, Wellehan JFX. Development and validation of 2 probe-hybridization quantitative PCR assays for rapid detection of a pathogenic Coxiella species in captive psittacines. J Vet Diagn Invest 2020; 32:423-428. [PMID: 32188352 DOI: 10.1177/1040638720912221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Avian coxiellosis is an emerging cause of morbidity and mortality among captive psittacines, and the utility of a rapid detection test using easily obtained samples is paramount in a clinical setting. New sequences were obtained from 3 genes: groEL, dnaK, and rpoB. We developed probe-hybridization quantitative PCR (qPCR) assays using groEL and dnaK genes. Samples, including splenic aspirates, liver aspirates, whole blood, and choanal, conjunctival, and cloacal swabs, were collected from 4 psittacine species including 3 blue-and-gold macaws (Ara ararauna), 2 scarlet-chested parrots (Neophema splendida), 1 Timneh African grey parrot (Psittacus timneh), and 1 yellow-naped Amazon parrot (Amazona auropalliata). Retrospective review of postmortem findings from 3 of these psittacines included splenomegaly, hepatitis, and/or transmission electron microscopy confirmation consistent with previous reports of avian coxiellosis. There was 100% agreement between these assays and consensus PCR with sequencing. A Wilcoxon rank-sum test found a strong correlation between groEL and dnaK cycle threshold values (p < 0.001), validating these assays for detection of this avian Coxiella sp.
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Affiliation(s)
- Alison J Flanders
- University of Florida College of Veterinary Medicine, Gainesville, FL (Flanders, Roberts, Childress, Wellehan).,The Medical Center for Birds, Oakley, CA (Speer).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,College of Veterinary Medicine, Auburn University, Auburn, AL (Roberts).,Riverview Animal Clinic, Birmingham, AL (Atlas)
| | - Brian Speer
- University of Florida College of Veterinary Medicine, Gainesville, FL (Flanders, Roberts, Childress, Wellehan).,The Medical Center for Birds, Oakley, CA (Speer).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,College of Veterinary Medicine, Auburn University, Auburn, AL (Roberts).,Riverview Animal Clinic, Birmingham, AL (Atlas)
| | - Drury R Reavill
- University of Florida College of Veterinary Medicine, Gainesville, FL (Flanders, Roberts, Childress, Wellehan).,The Medical Center for Birds, Oakley, CA (Speer).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,College of Veterinary Medicine, Auburn University, Auburn, AL (Roberts).,Riverview Animal Clinic, Birmingham, AL (Atlas)
| | - John F Roberts
- University of Florida College of Veterinary Medicine, Gainesville, FL (Flanders, Roberts, Childress, Wellehan).,The Medical Center for Birds, Oakley, CA (Speer).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,College of Veterinary Medicine, Auburn University, Auburn, AL (Roberts).,Riverview Animal Clinic, Birmingham, AL (Atlas)
| | - April L Childress
- University of Florida College of Veterinary Medicine, Gainesville, FL (Flanders, Roberts, Childress, Wellehan).,The Medical Center for Birds, Oakley, CA (Speer).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,College of Veterinary Medicine, Auburn University, Auburn, AL (Roberts).,Riverview Animal Clinic, Birmingham, AL (Atlas)
| | - Alvin Atlas
- University of Florida College of Veterinary Medicine, Gainesville, FL (Flanders, Roberts, Childress, Wellehan).,The Medical Center for Birds, Oakley, CA (Speer).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,College of Veterinary Medicine, Auburn University, Auburn, AL (Roberts).,Riverview Animal Clinic, Birmingham, AL (Atlas)
| | - James F X Wellehan
- University of Florida College of Veterinary Medicine, Gainesville, FL (Flanders, Roberts, Childress, Wellehan).,The Medical Center for Birds, Oakley, CA (Speer).,Zoo/Exotic Pathology Service, Carmichael, CA (Reavill).,College of Veterinary Medicine, Auburn University, Auburn, AL (Roberts).,Riverview Animal Clinic, Birmingham, AL (Atlas)
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Binetruy F, Buysse M, Lejarre Q, Barosi R, Villa M, Rahola N, Paupy C, Ayala D, Duron O. Microbial community structure reveals instability of nutritional symbiosis during the evolutionary radiation of Amblyomma ticks. Mol Ecol 2020; 29:1016-1029. [PMID: 32034827 DOI: 10.1111/mec.15373] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 01/29/2020] [Accepted: 02/05/2020] [Indexed: 12/14/2022]
Abstract
Mutualistic interactions with microbes have facilitated the adaptation of major eukaryotic lineages to restricted diet niches. Hence, ticks with their strictly blood-feeding lifestyle are associated with intracellular bacterial symbionts through an essential B vitamin supplementation. In this study, examination of bacterial diversity in 25 tick species of the genus Amblyomma showed that three intracellular bacteria, Coxiella-like endosymbionts (LE), Francisella-LE and Rickettsia, are remarkably common. No other bacterium is as uniformly present in Amblyomma ticks. Almost all Amblyomma species were found to harbour a nutritive obligate symbiont, Coxiella-LE or Francisella-LE, that is able to synthesize B vitamins. However, despite the co-evolved and obligate nature of these mutualistic interactions, the structure of microbiomes does not mirror the Amblyomma phylogeny, with a clear exclusion pattern between Coxiella-LE and Francisella-LE across tick species. Coxiella-LE, but not Francisella-LE, form evolutionarily stable associations with ticks, commonly leading to co-cladogenesis. We further found evidence for symbiont replacements during the radiation of Amblyomma, with recent, and probably ongoing, invasions by Francisella-LE and subsequent replacements of ancestral Coxiella-LE through transient co-infections. Nutritional symbiosis in Amblyomma ticks is thus not a stable evolutionary state, but instead arises from conflicting origins between unrelated but competing symbionts with similar metabolic capabilities.
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Affiliation(s)
- Florian Binetruy
- 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
| | - 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
| | - Quentin Lejarre
- 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.,CIRMF (Centre International de Recherches Médicales de Franceville), Franceville, Gabon
| | - Roxanne Barosi
- 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
| | - Manon Villa
- 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
| | - Nil Rahola
- 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.,CIRMF (Centre International de Recherches Médicales de Franceville), Franceville, Gabon
| | - Christophe Paupy
- 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
| | - Diego Ayala
- 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.,CIRMF (Centre International de Recherches Médicales de Franceville), Franceville, Gabon
| | - 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
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35
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Lim FS, Khoo JJ, Tan KK, Zainal N, Loong SK, Khor CS, AbuBakar S. Bacterial communities in Haemaphysalis, Dermacentor and Amblyomma ticks collected from wild boar of an Orang Asli Community in Malaysia. Ticks Tick Borne Dis 2019; 11:101352. [PMID: 31866439 DOI: 10.1016/j.ttbdis.2019.101352] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 11/08/2019] [Accepted: 12/02/2019] [Indexed: 12/11/2022]
Abstract
Ticks are hematophagous vectors of arthropod-borne disease agents globally. In Malaysia, despite seroprevalence studies indicating the presence of tick-borne diseases among the indigenous people, the etiological agents of these diseases are still unclear. These indigenous people, also known as the Orang Asli, still live in forested areas with frequent contact with wildlife. Wild boar are ubiquitously found in the forested areas where the Orang Asli communities are located and are commonly hunted as a food supplement. In this study, we aim to determine the tick species parasitizing wild boar from an Orang Asli community, and explore the tick-associated bacterial communities using 16 s rRNA amplicon sequencing on the Ion Torrent PGM™ platform. A total of 72 ticks were collected from three wild boar and were morphologically identified as Haemaphysalis hystricis (n = 32), Dermacentor compactus (n = 15), Amblyomma testudinarium (n = 13), Dermacentor steini (n = 10) and Dermacentor atrosignatus (n = 2). Across all tick samples, 910 bacterial taxa were identified. Although the bacterial communities were not significantly distinct between tick species in beta-diversity analyses, Coxiella, Rickettsia and Francisella were detected at high relative abundance in H. hystricis, D. compactus and D. steini respectively. Many other bacterial genera, including those that have been described in many different tick species, were also identified, including Pseudomonas, Acinetobacter, Staphylococcus and Corynebacterium. Beta-diversity analyses also showed that the bacterial communities were separated based on the animal host from which the ticks were collected from, suggesting that the bacterial communities here may be influenced by the animal skin microflora, host blood or the environment. PCR screening confirmed the presence of Rickettsia sp. related to spotted fever group Rickettsia in some of the ticks. This study provides baseline knowledge of the microbiome of H. hystricis, D. atrosignatus, D. compactus, D. steini and A. testudinarium parasitizing wild boar in this region. The information gained in this study provides the basis to target our efforts in H. hystricis, D. compactus and D. steini for the future investigation of vector competence and the zoonotic potential for the Coxiella, Rickettsia and Francisella detected here, as well as their implications for the risks of tick-borne diseases among the Orang Asli communities.
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Affiliation(s)
- Fang Shiang Lim
- Tick Cell Biobank Asia Outpost, Tropical Infectious Diseases Research and Education Centre (TIDREC), Universiti Malaya, Kuala Lumpur, 50603 Malaysia; Department of Medical Microbiology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, 50603 Malaysia
| | - Jing Jing Khoo
- Tick Cell Biobank Asia Outpost, Tropical Infectious Diseases Research and Education Centre (TIDREC), Universiti Malaya, Kuala Lumpur, 50603 Malaysia.
| | - Kim Kee Tan
- Tick Cell Biobank Asia Outpost, Tropical Infectious Diseases Research and Education Centre (TIDREC), Universiti Malaya, Kuala Lumpur, 50603 Malaysia
| | - Nurhafiza Zainal
- Department of Medical Microbiology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, 50603 Malaysia
| | - Shih Keng Loong
- Tick Cell Biobank Asia Outpost, Tropical Infectious Diseases Research and Education Centre (TIDREC), Universiti Malaya, Kuala Lumpur, 50603 Malaysia
| | - Chee Sieng Khor
- Tick Cell Biobank Asia Outpost, Tropical Infectious Diseases Research and Education Centre (TIDREC), Universiti Malaya, Kuala Lumpur, 50603 Malaysia
| | - Sazaly AbuBakar
- Tick Cell Biobank Asia Outpost, Tropical Infectious Diseases Research and Education Centre (TIDREC), Universiti Malaya, Kuala Lumpur, 50603 Malaysia; Department of Medical Microbiology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, 50603 Malaysia.
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36
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Flanders AJ, Rosenberg JF, Bercier M, Leissinger MK, Black LJ, Giglio RF, Craft SLM, Zoll WM, Childress AL, Wellehan JFX. Antemortem Diagnosis of Coxiellosis in a Blue and Gold Macaw ( Ara ararauna). J Avian Med Surg 2019; 31:364-372. [PMID: 29327963 DOI: 10.1647/2016-224] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A 15-year-old female blue and gold macaw ( Ara ararauna) was presented for evaluation after being found laterally recumbent, reluctant to move, and lethargic. Results of a complete blood count showed an increased number of immature heterophils with increased cytoplasmic basophilia and degranulation and the presence of a left shift. Radiographs and a computed tomography scan were performed and revealed a markedly enlarged spleen. An ultrasound-guided fine-needle aspirate of the spleen was submitted for cytologic examination and aerobic bacterial culture. While the culture revealed no growth, cytologic examination identified mononuclear phagocytes with cytoplasmic vacuoles containing structures consistent with bacteria. Pan-bacterial 16S rRNA polymerase chain reaction of the splenic sample followed by direct sequencing identified a Coxiella-like agent identical to one previously isolated in the liver of a golden-mantled rosella ( Platycercus eximius). Phylogenetic analysis shows that avian coxiellosis agents and Coxiella burnetii, the agent of Q fever, represent 2 independent events of development of vertebrate pathogenicity in this group of tick endosymbionts. This report suggests diagnostic and treatment directions for coxiellosis in avian patients and indicates where further study is needed.
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Khan JS, Provencher JF, Forbes MR, Mallory ML, Lebarbenchon C, McCoy KD. Parasites of seabirds: A survey of effects and ecological implications. ADVANCES IN MARINE BIOLOGY 2019; 82:1-50. [PMID: 31229148 PMCID: PMC7172769 DOI: 10.1016/bs.amb.2019.02.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Parasites are ubiquitous in the environment, and can cause negative effects in their host species. Importantly, seabirds can be long-lived and cross multiple continents within a single annual cycle, thus their exposure to parasites may be greater than other taxa. With changing climatic conditions expected to influence parasite distribution and abundance, understanding current level of infection, transmission pathways and population-level impacts are integral aspects for predicting ecosystem changes, and how climate change will affect seabird species. In particular, a range of micro- and macro-parasites can affect seabird species, including ticks, mites, helminths, viruses and bacteria in gulls, terns, skimmers, skuas, auks and selected phalaropes (Charadriiformes), tropicbirds (Phaethontiformes), penguins (Sphenisciformes), tubenoses (Procellariiformes), cormorants, frigatebirds, boobies, gannets (Suliformes), and pelicans (Pelecaniformes) and marine seaducks and loons (Anseriformes and Gaviiformes). We found that the seabird orders of Charadriiformes and Procellariiformes were most represented in the parasite-seabird literature. While negative effects were reported in seabirds associated with all the parasite groups, most effects have been studied in adults with less information known about how parasites may affect chicks and fledglings. We found studies most often reported on negative effects in seabird hosts during the breeding season, although this is also the time when most seabird research occurs. Many studies report that external factors such as condition of the host, pollution, and environmental conditions can influence the effects of parasites, thus cumulative effects likely play a large role in how parasites influence seabirds at both the individual and population level. With an increased understanding of parasite-host dynamics it is clear that major environmental changes, often those associated with human activities, can directly or indirectly affect the distribution, abundance, or virulence of parasites and pathogens.
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Affiliation(s)
- Junaid S Khan
- Canadian Wildlife Service, Environment and Climate Change Canada, Gatineau, QC, Canada
| | - Jennifer F Provencher
- Canadian Wildlife Service, Environment and Climate Change Canada, Gatineau, QC, Canada.
| | - Mark R Forbes
- Department of Biology, Carleton University, Ottawa, ON, Canada
| | - Mark L Mallory
- Department of Biology, Acadia University, Wolfville, NS, Canada
| | - Camille Lebarbenchon
- Université de La Réunion, UMR Processus Infectieux en Milieu Insulaire Tropical, INSERM 1187, CNRS 9192, IRD 249, GIP CYROI, Saint Denis, La Réunion, France
| | - Karen D McCoy
- MIVEGEC, UMR 5290 CNRS-IRD-University of Montpellier, Centre IRD, Montpellier, France
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38
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Buysse M, Plantard O, McCoy KD, Duron O, Menard C. Tissue localization of Coxiella-like endosymbionts in three European tick species through fluorescence in situ hybridization. Ticks Tick Borne Dis 2019; 10:798-804. [PMID: 30922601 DOI: 10.1016/j.ttbdis.2019.03.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 02/04/2019] [Accepted: 03/18/2019] [Indexed: 01/09/2023]
Abstract
Ticks are commonly infected by Coxiella-like endosymbionts (Coxiella-LE) which are thought to supply missing B vitamin nutrients required for blood digestion.While this nutritional symbiosis is essential for the survival and reproduction of infected tick species, our knowledge of where Coxiella-LE is localized in tick tissues is partial at best since previous studies have focused on a limited number of Asian or American tick species. To fill this gap, we investigated the tissue localization of Coxiella-LE in three European tick species, Ornithodoros maritimus, Dermacentor marginatus and Ixodes hexagonus, using a diagnostic fluorescence in situ hybridization (FISH) assay, combined with PCR-based detection. Specific fluorescent foci were observed in several tick tissues. We visualized a pronounced tissue tropism of Coxiella-LE for tick ovaries and Malpighian tubules, a pattern suggestive of a high degree of lifestyle specialization toward mutualism: infection of the ovaries is indicative of transovarial transmission, whereas infection of the Malpighian tubules suggests a nutritional function. We postulate that Malpighian tubules are key organs for the nutritional symbiosis, notably the synthesis of B vitamins by Coxiella-LE, whereas the infection of the ovaries ensures vertical transmission of the symbionts to future generations. We also detected occasional infections in other organs, such as salivary glands and the midgut. Finally, we discuss the potential significance of the different tissue tropism for tick biology.
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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
| | | | - Karen D McCoy
- 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
| | - 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.
| | - Claudine Menard
- Institut des Biomolécules Max Mousseron (IBMM) - Université de Montpellier (UM), Montpellier, France.
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Seo MG, Kwon OD, Kwak D. Molecular Detection of Coxiella burnetii in Cattle on Ulleung Island, Korea: A Population-based Study with Four Years of Follow Up. THE KOREAN JOURNAL OF PARASITOLOGY 2019; 57:69-73. [PMID: 30840803 PMCID: PMC6409217 DOI: 10.3347/kjp.2019.57.1.69] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 12/30/2018] [Indexed: 11/23/2022]
Abstract
In a population-based study with 4 years of follow up, we evaluated the prevalence of Coxiella burnetii in cattle on Ulleung Island, Korea. In this study, the rates of C. burnetii infection in cattle on Ulleung Island were determined by PCR and were found to be 0.3-1.0% in the period 2011-2014. All 17 C. burnetii partial 16S rRNA gene sequences from PCR-positive cattle were identical and 2 geographic representatives were included in our analysis. The nucleotide sequences of the 2 samples showed high (98.4-100%) identity with C. burnetii sequences obtained from the GenBank. In this long-term tracking study, the number of cattle positive for C. burnetii on Ulleung Island was low. To prevent the transmission of C. burnetii on Ulleung Island, control strategy should include biosecurity improvement in surveillance, livestock management, administering suitable tests before purchasing animals to detect C. burnetii shedders, and restricting movements between herds.
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Affiliation(s)
- Min-Goo Seo
- Animal and Plant Quarantine Agency, Gimcheon 39660, Korea.,College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea
| | - Oh-Deog Kwon
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea
| | - Dongmi Kwak
- College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea.,Cardiovascular Research Institute, Kyungpook National University, Daegu 41944, Korea
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40
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Cabezas-Cruz A, Allain E, Ahmad AS, Saeed MA, Rashid I, Ashraf K, Yousfi L, Shehzad W, Indjein L, Rodriguez-Valle M, Estrada-Peña A, Obregón D, Jabbar A, Moutailler S. Low genetic diversity of Ehrlichia canis associated with high co-infection rates in Rhipicephalus sanguineus (s.l.). Parasit Vectors 2019; 12:12. [PMID: 30616670 PMCID: PMC6322249 DOI: 10.1186/s13071-018-3194-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 11/09/2018] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Rhipicephalus sanguineus sensu lato (s.l.) is the most widely distributed ixodid tick and is a vector of major canine and human pathogens. High-throughput technologies have revealed that individual ticks carry a high diversity of pathogens, including bacteria, protozoa and viruses. Currently, it is accepted that co-infections (multiple pathogen species within an individual) are very common in ticks and influence pathogen acquisition and transmission as well as host infection risk. However, little is known on the impact of the genetic diversity of pathogens on the incidence of co-infections. Herein, we studied the frequency of co-infections in R. sanguineus (s.l.) and their association with the genetic diversity of Ehrlichia canis. METHODS Rhipicephalus sanguineus (s.l.) female ticks (n = 235) were collected from healthy farm dogs in three districts of Pakistan. Microfluidic real-time PCR, a powerful nanotechnology for high-throughput molecular detection of pathogens, was used to test the presence of 25 bacterial and seven parasitic species in individual ticks. The genetic diversity of E. canis was evaluated by characterizing the trp36 gene. RESULTS A total of 204 ticks were infected with at least one pathogen and 109 co-infected with two (80%) or three (20%) pathogens. Rickettsia massiliae (human pathogen) and E. canis (zoonotic dog pathogen) were the most common pathogens co-infecting (30.4%) ticks. Furthermore, all identified co-infections included R. massiliae and/or E. canis. Multiple correspondence analysis (MCA) revealed that single infections did not show clear regional association whereas some co-infections were restricted to certain geographical regions. The sequence analysis of trp36 in representative samples allowed the identification of three E. canis strains with low genetic diversity, and the strain found in Muzaffargarh district appeared to be more adapted to co-infection with R. massiliae. CONCLUSIONS Rhipicephalus sanguineus (s.l.) harbors multiple co-infections with human and dog pathogens of zoonotic potential. Findings of this study suggest that genetic diversity of E. canis may favor co-infections with different pathogens.
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Affiliation(s)
- Alejandro Cabezas-Cruz
- UMR BIPAR, INRA, ANSES, Ecole Nationale Vétérinaire d’Alfort, Université Paris-Est, 94700 Maisons-Alfort, France
| | - Eleonore Allain
- UMR BIPAR, INRA, ANSES, Ecole Nationale Vétérinaire d’Alfort, Université Paris-Est, 94700 Maisons-Alfort, France
| | - Abdullah S. Ahmad
- Department of Veterinary Biosciences, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria 3030 Australia
- Department of Parasitology, Faculty of Veterinary Sciences, University of Veterinary and Animal Sciences, Lahore, Punjab Pakistan
| | - Muhammad A. Saeed
- Department of Veterinary Biosciences, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria 3030 Australia
| | - Imran Rashid
- Department of Parasitology, Faculty of Veterinary Sciences, University of Veterinary and Animal Sciences, Lahore, Punjab Pakistan
| | - Kamran Ashraf
- Department of Parasitology, Faculty of Veterinary Sciences, University of Veterinary and Animal Sciences, Lahore, Punjab Pakistan
| | - Lena Yousfi
- UMR BIPAR, INRA, ANSES, Ecole Nationale Vétérinaire d’Alfort, Université Paris-Est, 94700 Maisons-Alfort, France
| | - Wasim Shehzad
- Institute of Biochemistry and Biotechnology, Faculty of Biosciences, University of Veterinary and Animal Sciences, Lahore, Punjab Pakistan
| | - Lea Indjein
- Department of Veterinary Biosciences, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria 3030 Australia
| | - Manuel Rodriguez-Valle
- Queensland Alliance for Agriculture & Food Innovation, The University of Queensland, St. Lucia, Queensland 4072 Australia
| | | | - Dasiel Obregón
- Cell and Molecular Biology Laboratory, Center for Nuclear Energy in Agriculture, University of Sao Paulo, Piracicaba, SP Brazil
| | - Abdul Jabbar
- Department of Veterinary Biosciences, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, Victoria 3030 Australia
| | - Sara Moutailler
- UMR BIPAR, INRA, ANSES, Ecole Nationale Vétérinaire d’Alfort, Université Paris-Est, 94700 Maisons-Alfort, France
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Trinachartvanit W, Maneewong S, Kaenkan W, Usananan P, Baimai V, Ahantarig A. Coxiella-like bacteria in fowl ticks from Thailand. Parasit Vectors 2018; 11:670. [PMID: 30587229 PMCID: PMC6307260 DOI: 10.1186/s13071-018-3259-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 12/05/2018] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Coxiella bacteria were identified from various tick species across the world. Q fever is a zoonotic disease caused by the bacteria Coxiella burnetii that most commonly infects a variety of mammals. Non-mammalian hosts, such as birds, have also been reported to be infected with the pathogenic form of "Candidatus Coxiella avium". This research increases the list of tick species that have been found with Coxiella-like bacteria in Thailand. METHODS A total of 69 ticks were collected from 27 domestic fowl (Gallus gallus domesticus), 2 jungle fowl (Gallus gallus) and 3 Siamese firebacks (Lophura diardi) at 10 locations (provinces) in Thailand. Ticks were identified and PCR was used to amplify Coxiella bacteria 16S rRNA, groEL and rpoB genes from the extracted tick DNA. MEGA6 was used to construct phylogenetic trees via a Maximum Likelihood method. RESULTS The phylogenetic analysis based on the 16S rRNA gene showed that the Coxiella sequences detected in this study grouped in the same clade with Coxiella sequences from the same tick genus (or species) reported previously. In contrast, rpoB gene of the Coxiella bacteria detected in this study did not cluster together with the same tick genus reported previously. Instead, they clustered by geographical distribution (Thai cluster and Malaysian cluster). In addition, phylogenetic analysis of the groEL gene (the chaperonin family) showed that all Coxiella bacteria found in this study were grouped in the same clade (three sister groups). CONCLUSIONS To our knowledge, we found for the first time rpoB genes of Coxiella-like bacteria in Haemaphysalis wellingtoni ticks forming two distinct clades by phylogenetic analysis. This may be indicative of a horizontal gene transfer event.
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Affiliation(s)
- Wachareeporn Trinachartvanit
- Biodiversity Research Cluster, Department of Biology, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400, Thailand
| | - Simaporn Maneewong
- Biodiversity Research Cluster, Department of Biology, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400, Thailand
| | - Warissara Kaenkan
- Biodiversity Research Cluster, Department of Biology, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400, Thailand
| | - Pawiga Usananan
- Biodiversity Research Cluster, Department of Biology, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400, Thailand
| | - Visut Baimai
- Biodiversity Research Cluster, Department of Biology, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400, Thailand.,Center of Excellence for Vectors and Vector-Borne Diseases, Faculty of Science, Mahidol University at Salaya, Phutthamonthon 4 Road, Nakhon Pathom, 73170, Thailand
| | - Arunee Ahantarig
- Biodiversity Research Cluster, Department of Biology, Faculty of Science, Mahidol University, Rama 6 Road, Bangkok, 10400, Thailand. .,Center of Excellence for Vectors and Vector-Borne Diseases, Faculty of Science, Mahidol University at Salaya, Phutthamonthon 4 Road, Nakhon Pathom, 73170, Thailand.
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Duron O, Doublet P, Vavre F, Bouchon D. The Importance of Revisiting Legionellales Diversity. Trends Parasitol 2018; 34:1027-1037. [PMID: 30322750 DOI: 10.1016/j.pt.2018.09.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 09/19/2018] [Accepted: 09/24/2018] [Indexed: 12/15/2022]
Abstract
Bacteria of the order Legionellales, such as Legionella pneumophila, the agent of Legionnaires' disease, and Coxiella burnetii, the agent of Q fever, are widely recognized as human pathogens. While our view of the Legionellales is often limited to clinical isolates, ecological surveys are continually uncovering new members of the Legionellales that do not fall into the recognized pathogenic species. Here we emphasize that most of these Legionellales are nonpathogenic forms that have evolved symbiotic lifestyles with nonvertebrate hosts. The diversity of nonpathogenic forms remains, however, largely underexplored. We conjecture that its characterization, once contrasted with the data on pathogenic species, will reveal novel highlights on the mechanisms underlying lifestyle transitions of intracellular bacteria, including the emergence of pathogenesis and mutualism, transmission routes, and host specificity.
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Affiliation(s)
- Olivier Duron
- Laboratoire 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, F-34394 Montpellier, France.
| | - Patricia Doublet
- CIRI, Centre International de Recherche en Infectiologie, INSERM, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, École Normale Supérieure de Lyon, Université Lyon, F-69100 Villeurbanne, France
| | - Fabrice Vavre
- Univ Lyon, Université Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive UMR5558, 43 Boulevard du 11 novembre 1918, F-69622 Villeurbanne, France
| | - Didier Bouchon
- Université de Poitiers, Laboratoire Ecologie et Biologie des Interactions - UMR CNRS 7267, F-86073 Poitiers, France
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The microbiota of hematophagous ectoparasites collected from migratory birds. PLoS One 2018; 13:e0202270. [PMID: 30148833 PMCID: PMC6110481 DOI: 10.1371/journal.pone.0202270] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 07/31/2018] [Indexed: 11/24/2022] Open
Abstract
Arthropod vectors are responsible for the transmission of human pathogens worldwide. Several arthropod species are bird ectoparasites, however, no study to date has characterized their microbiota as a whole. We sampled hematophagous ectoparasites that feed on migratory birds and performed 16S rRNA gene metabarcoding to characterize their microbial community. A total of 194 ectoparasites were collected from 115 avian hosts and classified into three groups: a) Hippoboscidae diptera; b) ticks; c) other arthropods. Metabarcoding showed that endosymbionts were the most abundant genera of the microbial community, including Wolbachia for Hippoboscidae diptera, Candidatus Midichloria for ticks, Wolbachia and Arsenophonus for the other arthropod group. Genera including pathogenic species were: Rickettsia, Borrelia, Coxiella, Francisella, Bartonella, Anaplasma. Co-infection with Borrelia-Rickettsia and Anaplasma-Rickettsia was also observed. A global overview of the microbiota of ectoparasites sampled from migratory birds was obtained with the use of 16S rRNA gene metabarcoding. A novel finding is the first identification of Rickettsia in the common swift louse fly, Crataerina pallida. Given their possible interaction with pathogenic viruses and bacteria, the presence of endosymbionts in arthropods merits attention. Finally, molecular characterization of genera, including both pathogenic and symbiont species, plays a pivotal role in the design of targeted molecular diagnostics.
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Abdullah HHAM, El-Shanawany EE, Abdel-Shafy S, Abou-Zeina HAA, Abdel-Rahman EH. Molecular and immunological characterization of Hyalomma dromedarii and Hyalomma excavatum (Acari: Ixodidae) vectors of Q fever in camels. Vet World 2018; 11:1109-1119. [PMID: 30250371 PMCID: PMC6141297 DOI: 10.14202/vetworld.2018.1109-1119] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 07/05/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND AND AIM Q fever Coxiella burnetii is a worldwide zoonotic disease, and C. burnetii was detected in mammals and ticks. Ticks play an important role in the spread of C. burnetii in the environment. Therefore, the aims of this study were to detect Q fever C. burnetii in camels and ixodid ticks by molecular tools and identification of Hyalomma dromedarii and Hyalomma excavatum using molecular and immunological assays. MATERIALS AND METHODS A total of 113 blood samples from camels and 190 adult ticks were investigated for the infection with C. burnetii by polymerase chain reaction (PCR) and sequencing the targeting IS30A spacer. The two tick species H. dromedarii and H. excavatum were characterized molecularly by PCR and sequencing of 16S ribosomal RNA (16S rRNA) and cytochrome oxidase subunit-1 (CO1) genes and immunologically by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and western blot. RESULTS A total of 52 camels (46%) were positive for Q fever infection. Only 10 adult ticks of H. dromedarii were infected with C. burnetii. The IS30A sequence was around 200 bp in length for C. burnetii in H. dromedarii ticks with a similarity of 99% when compared with reference data in GenBank records. The length of 16S rDNA and CO1 was 440 and 850 bp, respectively, for both H. dromedarii and H. excavatum. The phylogenetic status of H. dromedarii was distant from that of H. excavatum. SDS-PAGE revealed seven different bands in the adult antigens of either H. dromedarii or H. excavatum with molecular weights ranged from 132.9 to 17.7 KDa. In western blot analyses, the sera obtained from either infested camel by H. dromedarii or infested cattle by H. excavatum recognized four immunogenic bands (100.7, 49.7, 43.9, and 39.6 kDa) in H. dromedarii antigen. However, the infested camel sera identified two immunogenic bands (117 and 61.4 kDa) in H. excavatum antigen. Furthermore, the sera collected from cattle infested by H. excavatum recognized three immunogenic bands (61.4, 47.3, and 35 kDa) in H. excavatum antigen. CONCLUSION Molecular analyses indicated that both camels and ticks could be sources for infection of animals and humans with Q fever. Furthermore, the molecular analyses are more accurate tools for discriminating H. dromedarii and H. excavatum than immunological tools.
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Affiliation(s)
- Hend H. A. M. Abdullah
- Department of Parasitology and Animal Diseases, Veterinary Research Division, National Research Centre, Dokki, Giza, Egypt
| | - Eman E. El-Shanawany
- Department of Parasitology and Animal Diseases, Veterinary Research Division, National Research Centre, Dokki, Giza, Egypt
| | - Sobhy Abdel-Shafy
- Department of Parasitology and Animal Diseases, Veterinary Research Division, National Research Centre, Dokki, Giza, Egypt
| | - Hala A. A. Abou-Zeina
- Department of Parasitology and Animal Diseases, Veterinary Research Division, National Research Centre, Dokki, Giza, Egypt
| | - Eman H. Abdel-Rahman
- Department of Parasitology and Animal Diseases, Veterinary Research Division, National Research Centre, Dokki, Giza, Egypt
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Špitalská E, Sparagano O, Stanko M, Schwarzová K, Špitalský Z, Škultéty Ľ, Havlíková SF. Diversity of Coxiella-like and Francisella-like endosymbionts, and Rickettsia spp., Coxiella burnetii as pathogens in the tick populations of Slovakia, Central Europe. Ticks Tick Borne Dis 2018; 9:1207-1211. [PMID: 29748120 DOI: 10.1016/j.ttbdis.2018.05.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 04/30/2018] [Accepted: 05/01/2018] [Indexed: 01/10/2023]
Abstract
Ticks are important vectors of pathogens affecting humans and animals worldwide. They do not only carry pathogens but diverse commensal and symbiotic microorganisms are also present in ticks. A molecular screening for tick-borne pathogens and endosymbionts was carried out in Ixodes ricinus, Dermacentor reticulatus and Haemaphysalis inermis questing ticks collected in Slovakia. The presence of Rickettsia spp., Coxiella burnetii, Coxiella-like and Francisella-like microorganisms was evaluated by PCR in 605 individuals and by randomly sequencing 66 samples. Four species of rickettsiae (R. raoultii, R. slovaca, R. helvetica and R. monacensis) were identified and reported with an overall prevalence range between 0.4 and 50.3% (±8.0) depending on tick species, sex and locality. Partial sequencing of the gltA gene of 5 chosen samples in H. inermis showed 99% identity with Candidatus Rickettsia hungarica. The total prevalence of C. burnetii in ticks was 2.2 ± 1.7%; bacteria were confirmed in I. ricinus and D. reticulatus ticks. The sequences from 2 D. reticulatus males and 1 I. ricinus female ticks were compared to GenBank submissions and a 99.8% match was obtained with the pathogenic C. burnetii. Coxiella-like endosymbionts were registered in all three species of ticks from all studied sites with an average prevalence of 32.7 ± 3.7%. A phylogenetic analysis of this Coxiella sp. showed that it does not group with the pathogenic C. burnetii. The prevalence of Francisella-like microorganisms in questing ticks was 47.9 ± 3.9%, however H. inermis (n = 108) were not infested. Obtained sequences were 98% identical with previously identified Francisella-like endosymbionts in D. reticulatus and I. ricinus. Coxiella-like and Francisella-like microorganisms were identified for the first time in Slovakia, they might be considered as a non-pathogenic endosymbiont of I. ricinus, D. reticulatus and H. inermis, and future investigations could aim to assess their role in these ticks. However, this work provided further data and broadened our knowledge on bacterial pathogens and endosymbionts present in ticks in Slovakia to help understanding co-infestations, combined treatments and public health issues linked to tick bites.
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Affiliation(s)
- Eva Špitalská
- Institute of Virology, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia.
| | - Olivier Sparagano
- Centre for Agroecology, Water and Resilience, Vice-Chancellor Office, Coventry University, CV1 5FB, United Kingdom
| | - Michal Stanko
- Institute of Parasitology, Slovak Academy of Sciences, Hlinkova 3, 040 01 Košice, Slovakia
| | - Katarína Schwarzová
- Institute of Microbiology, Faculty of Medicine Comenius University and University Hospital, Sasinkova 4, 811 08 Bratislava, Slovakia
| | - Zdenko Špitalský
- Polymer Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovakia
| | - Ľudovít Škultéty
- Institute of Virology, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia
| | - Sabína Fumačová Havlíková
- Institute of Virology, Biomedical Research Center, Slovak Academy of Sciences, Dúbravská cesta 9, 845 05 Bratislava, Slovakia
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Herd prevalence and genotypes of Coxiella burnetii in dairy cattle bulk tank milk in Gyeongsang provinces of South Korea. Trop Anim Health Prod 2018; 50:1399-1404. [PMID: 29549583 DOI: 10.1007/s11250-018-1564-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 03/05/2018] [Indexed: 12/18/2022]
Abstract
Coxiella burnetii is the causative agent of the zoonotic Q fever, and its reservoirs include ticks and livestock, which are key sources of transmission to humans. Although there have been several studies on the prevalence of C. burnetii antibodies in dairy cattle bulk tank milk (BTM), there is a lack of information on the molecular detection of C. burnetii in BTM in South Korea. Thus, this study was designed to assess milk shedding of C. burnetii in BTM from dairy cattle herds. Among the 607 BTM samples collected from 41 counties in Gyeongsang provinces in 2015, 108 (17.8%) from 23 (56.1%) counties tested positive for C. burnetii by PCR. Because the 16S rRNA sequences of C. burnetii from all 108 PCR-positive samples were identical, two representative samples (BTM-GB-10 and BTM-GN-63) are described in this paper. These sequences showed high identity (96.9-100%) to other C. burnetii sequences deposited in GenBank. Phylogenetic analysis showed that these two sequences were clustered with existing C. burnetii strains. The relatively high prevalence rates of C. burnetii in BTM detected in this study suggest that C. burnetii is prevalent among dairy cattle herds in South Korea. Thus, implementation of continuous monitoring and control strategies for domestic animals is needed to prevent disease transmission and protect public health.
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Chalada MJ, Stenos J, Vincent G, Barker D, Bradbury RS. A Molecular Survey of Tick-Borne Pathogens from Ticks Collected in Central Queensland, Australia. Vector Borne Zoonotic Dis 2018; 18:151-163. [PMID: 29336689 DOI: 10.1089/vbz.2017.2182] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Central Queensland (CQ) is a large and isolated, low population density, remote tropical region of Australia with a varied environment. The region has a diverse fauna and several species of ticks that feed upon that fauna. This study examined 518 individual ticks: 177 Rhipicephalus sanguineus (brown dog tick), 123 Haemaphysalis bancrofti (wallaby tick), 102 Rhipicephalus australis (Australian cattle tick), 47 Amblyomma triguttatum (ornate kangaroo tick), 57 Ixodes holocyclus (paralysis tick), 9 Bothriocroton tachyglossi (CQ short-beaked echidna tick), and 3 Ornithodoros capensis (seabird soft tick). Tick midguts were pooled by common host or environment and screened for four genera of tick-borne zoonoses by PCR and sequencing. The study examined a total of 157 midgut pools of which 3 contained DNA of Coxiella burnetii, 13 Rickettsia gravesii, 1 Rickettsia felis, and 4 other Rickettsia spp. No Borrelia spp. or Babesia spp. DNA were recovered.
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Affiliation(s)
- Melissa Judith Chalada
- 1 School of Health, Medical and Applied Sciences, Central Queensland University , North Rockhampton, Queensland, Australia
| | - John Stenos
- 2 Australian Rickettsial Reference Laboratory , Barwon Health, Geelong, Victoria, Australia
| | - Gemma Vincent
- 2 Australian Rickettsial Reference Laboratory , Barwon Health, Geelong, Victoria, Australia
| | - Dayana Barker
- 3 School of Chemistry and Molecular Biosciences, University of Queensland , Brisbane, Queensland, Australia
| | - Richard Stewart Bradbury
- 1 School of Health, Medical and Applied Sciences, Central Queensland University , North Rockhampton, Queensland, Australia
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Wanelik KM, Burthe SJ, Harris MP, Nunn MA, Godfray HCJ, Sheldon BC, McLean AR, Wanless S. Investigating the effects of age-related spatial structuring on the transmission of a tick-borne virus in a colonially breeding host. Ecol Evol 2017; 7:10930-10940. [PMID: 29299270 PMCID: PMC5743484 DOI: 10.1002/ece3.3612] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 09/20/2017] [Accepted: 10/16/2017] [Indexed: 11/11/2022] Open
Abstract
Higher pathogen and parasite transmission is considered a universal cost of colonial breeding due to the physical proximity of colony members. However, this has rarely been tested in natural colonies, which are structured entities, whose members interact with a subset of individuals and differ in their infection histories. We use a population of common guillemots, Uria aalge, infected by a tick-borne virus, Great Island virus, to explore how age-related spatial structuring can influence the infection costs borne by different members of a breeding colony. Previous work has shown that the per-susceptible risk of infection (force of infection) is different for prebreeding (immature) and breeding (adult) guillemots which occupy different areas of the colony. We developed a mathematical model which showed that this difference in infection risk can only be maintained if mixing between these age groups is low. To estimate mixing between age groups, we recorded the movements of 63 individually recognizable, prebreeding guillemots in four different parts of a major colony in the North Sea during the breeding season. Prebreeding guillemots infrequently entered breeding areas (in only 26% of watches), though with marked differences in frequency of entry among individuals and more entries toward the end of the breeding season. Once entered, the proportion of time spent in breeding areas by prebreeding guillemots also varied between different parts of the colony. Our data and model predictions indicate low levels of age-group mixing, limiting exposure of breeding guillemots to infection. However, they also suggest that prebreeding guillemots have the potential to play an important role in driving infection dynamics. This highlights the sensitivity of breeding colonies to changes in the behavior of their members-a subject of particular importance in the context of global environmental change.
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Affiliation(s)
- Klara M. Wanelik
- Department of ZoologyUniversity of OxfordOxfordUK
- Centre for Ecology & HydrologyWallingfordUK
- Institute of Integrative BiologyUniversity of LiverpoolLiverpoolUK
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Van Oosten AR, Duron O, Heylen DJA. Sex ratios of the tick Ixodes arboricola are strongly female-biased, but there are no indications of sex-distorting bacteria. Ticks Tick Borne Dis 2017; 9:307-313. [PMID: 29150322 DOI: 10.1016/j.ttbdis.2017.11.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 10/25/2017] [Accepted: 11/09/2017] [Indexed: 11/24/2022]
Abstract
Studies on sex ratio are of fundamental importance for understanding the biology of populations and biological control of pests and pathogens. In most Ixodes tick species, only females feed in the adult stage and, hence, contribute to pathogen transmission. The tree-hole tick Ixodes arboricola infests cavity-nesting birds and has limited dispersal possibilities. It plays an important role in the maintenance of zoonotic disease cycles. Here, we quantified the sex ratio of 718 adult I. arboricola ticks obtained from a laboratory stock at nine distinct periods (cohorts) from 2008 to 2015. In addition, we screened 93 specimens, collected from four study sites in 2011 and 2012, for the presence of six maternally inherited bacterial parasites known to manipulate arthropod sex ratios. We found significantly female-biased sex ratios in seven out of nine cohorts. There were no infections with members of the Wolbachia, Arsenophonus or Cardinium bacterial genera, whereas 96.8% of the screened ticks were infected with Rickettsia vini, 22.6% with Rickettsiella sp., and 14.0% with Spiroplasma ixodetis. Male and female I. arboricola were found equally infected. Our results suggest skewed sex ratios in I. arboricola are not caused by these bacterial infections, although there may be other, untested candidates driving sex ratios. Alternatively, female-biased sex ratios may be an adaptation in females to high local densities and low dispersal, where the production of daughters has a selective advantage because a few sons can fertilise all daughters.
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Affiliation(s)
- A Raoul Van Oosten
- Department of Animal Ecology, VU Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands; University of Antwerp, Evolutionary Ecology Group, Universiteitsplein 1, B-2610 Wilrijk, Belgium.
| | - Olivier Duron
- Laboratoire MIVEGEC (Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle), Centre National de la Recherche Scientifique (CNRS UMR5290), Université de Montpellier, Institut de Recherche pour le Développement (UR224), Montpellier, France
| | - Dieter J A Heylen
- University of Antwerp, Evolutionary Ecology Group, Universiteitsplein 1, B-2610 Wilrijk, Belgium
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Mori M, Mertens K, Cutler SJ, Santos AS. Critical Aspects for Detection of Coxiella burnetii. Vector Borne Zoonotic Dis 2017; 17:33-41. [PMID: 28055578 DOI: 10.1089/vbz.2016.1958] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Coxiella burnetii is a globally distributed zoonotic γ-proteobacterium with an obligatory intracellular lifestyle. It is the causative agent of Q fever in humans and of coxiellosis among ruminants, although the agent is also detected in ticks, birds, and various other mammalian species. Requirements for intracellular multiplication together with the necessity for biosafety level 3 facilities restrict the cultivation of C. burnetii to specialized laboratories. Development of a novel medium formulation enabling axenic growth of C. burnetii has facilitated fundamental genetic studies. This review provides critical insights into direct diagnostic methods currently available for C. burnetii. It encompasses molecular detection methods, isolation, and propagation of the bacteria and its genetic characterization. Differentiation of C. burnetii from Coxiella-like organisms is an essential diagnostic prerequisite, particularly when handling and analyzing ticks.
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Affiliation(s)
- Marcella Mori
- 1 Bacterial Zoonoses of Livestock, Operational Directorate Bacterial Diseases, Veterinary and Agrochemical Research Centre, CODA-CERVA , Brussels, Belgium .,2 Belgian Reference Centre for Coxiella burnetii and Bartonella , Brussels, Belgium
| | - Katja Mertens
- 3 Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute for Bacterial Infections and Zoonoses , Jena, Germany
| | | | - Ana Sofia Santos
- 5 Centre for Vector and Infectious Diseases Research, National Institute of Health Doutor Ricardo Jorge , Águas de Moura, Portugal
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