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Margos G, Hofmann M, Casjens S, Dupraz M, Heinzinger S, Hartberger C, Hepner S, Schmeusser M, Sing A, Fingerle V, McCoy KD. Genome diversity of Borrelia garinii in marine transmission cycles does not match host associations but reflects the strains evolutionary history. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2023; 115:105502. [PMID: 37716446 DOI: 10.1016/j.meegid.2023.105502] [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: 06/04/2023] [Revised: 08/15/2023] [Accepted: 09/13/2023] [Indexed: 09/18/2023]
Abstract
Borrelia burgdorferi sensu lato is a species complex of spirochetal bacteria that occupy different ecological niches which is reflected in their reservoir host- and vector-associations. Borrelia genomes possess numerous linear and circular plasmids. Proteins encoded by plasmid genes play a major role in host- and vector-interaction and are important for Borrelia niche adaptation. However, the plasmid composition and therewith the gene repertoire may vary even in strains of a single species. Borrelia garinii, one of the six human pathogenic species, is common in Europe (vector Ixodes ricinus), Asia (vector Ixodes persulcatus) and in marine birds (vector Ixodes uriae). For the latter, only a single culture isolate (Far04) and its genome were previously available. The genome was rather small containing only one circular and six linear plasmids with a notable absence of cp32 plasmids. To further investigate B. garinii from marine transmission cycles and to explore i) whether the small number of plasmids found in isolate Far04 is a common feature in B. garinii from marine birds and presents an adaptation to this particular niche and ii) whether there may be a correlation between genome type and host species, we initiated in vitro cultures from live I. uriae collected in 2017 and 2018 from marine avian hosts and their nests. Hosts included common guillemots, Atlantic Puffin, razorbill, and kittiwake. We obtained 17 novel isolates of which 10 were sequenced using Illumina technology, one also with Pacific Bioscience technology. The 10 genomes segregated into five different genome types defined by plasmid types (based on PFam32 loci). We show that the genomes of seabird associated B. garinii contain fewer plasmids (6-9) than B. garinii from terrestrial avian species (generally ≥10), potentially suggesting niche adaptation. However, genome type did not match an association with the diverse avian seabird hosts investigated but matched the clonal complex they originated from, perhaps reflecting the isolates evolutionary history. Questions that should be addressed in future studies are (i) how is plasmid diversity related to host- and/or vector adaptation; (ii) do the different seabird species differ in reservoir host competence, and (iii) can the genome types found in seabirds use terrestrial birds as reservoir hosts.
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Affiliation(s)
- Gabriele Margos
- National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, 85764 Oberschleissheim, Germany.
| | - Markus Hofmann
- National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, 85764 Oberschleissheim, Germany.
| | - Sherwood Casjens
- Pathology Department, School of Medicine, University of Utah, 15 North Medical Drive East Ste. #1100, Salt Lake City, UT 84112, USA.
| | - Marlene Dupraz
- MIVEGEC, University of Montpellier - CNRS - IRD, Centre IRD, Domaine La Valette - 900, rue Jean François BRETON, 34090 Montpellier, France
| | - Susanne Heinzinger
- National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, 85764 Oberschleissheim, Germany.
| | - Christine Hartberger
- National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, 85764 Oberschleissheim, Germany.
| | - Sabrina Hepner
- National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, 85764 Oberschleissheim, Germany.
| | - Mercy Schmeusser
- National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, 85764 Oberschleissheim, Germany.
| | - Andreas Sing
- National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, 85764 Oberschleissheim, Germany.
| | - Volker Fingerle
- National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, 85764 Oberschleissheim, Germany.
| | - Karen D McCoy
- MIVEGEC, University of Montpellier - CNRS - IRD, Centre IRD, Domaine La Valette - 900, rue Jean François BRETON, 34090 Montpellier, France.
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Benyahia H, Diarra AZ, Gherissi DE, Bérenger JM, Benakhla A, Parola P. Molecular and MALDI-TOF MS characterisation of Hyalomma aegyptium ticks collected from turtles and their associated microorganisms in Algeria. Ticks Tick Borne Dis 2021; 13:101858. [PMID: 34814065 DOI: 10.1016/j.ttbdis.2021.101858] [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] [Received: 05/03/2021] [Revised: 09/27/2021] [Accepted: 10/15/2021] [Indexed: 01/17/2023]
Abstract
The identification of ticks and their associated pathogens is important for knowledge on tick-borne diseases. The objective of this study was to use morphological, matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) and/or molecular biology tools to identify ticks collected from turtles in north-eastern Algeria, as well as to investigate the microorganisms associated with these ticks. A total of 471 adult ticks were collected and identified morphologically as Hyalomma aegyptium, of which 248 (52.7%) were female and 223 (47.3%) were male. amongst them, 230 specimens were randomly selected for molecular and MALDI-TOF MS analysis. Molecular biology confirmed that our ticks were Hy. aegyptium. MALDI-TOF MS analysis revealed that 100% of the spectra were of excellent quality. Four spectra were selected to update our own database MALDI-TOF MS arthropod. The blind test of the 226 remaining spectra showed that all ticks were correctly identified, with scores ranging from 1.774 to 2.655 with a mean of 2.271 ± 0.16 of which, 223 (98.6%) had log score value (LSV)>1.8. Molecular biology screening showed that the ticks carried the DNA of Borrelia turcica, Rickettsia africae, Rickettsia aeschlimannii, Rickettsia sibirica mongolitimonae and with the Anaplasmataceae were close to a potentially new, undescribed Ehrlichia sp. This study confirms that MALDI-TOF MS is a reliable tool for the identification of ticks and that ticks collected from turtles in Algeria are carriers of several species of microorganisms which may be responsible for diseases in humans and animals.
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Affiliation(s)
- Hanene Benyahia
- Aix Marseille Univ, IRD, SSA, AP-HM, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Adama Zan Diarra
- Aix Marseille Univ, IRD, SSA, AP-HM, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Djalel Eddine Gherissi
- Institute of Veterinary and Agronomic Sciences, Mohamed Cherif Messaadia University, Souk-Ahras, Algeria.
| | - Jean-Michel Bérenger
- Aix Marseille Univ, IRD, SSA, AP-HM, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Ahmed Benakhla
- Department of Veterinary Sciences, Chadli Bendjedid University, El Tarf, Algeria
| | - Philippe Parola
- Aix Marseille Univ, IRD, SSA, AP-HM, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France.
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Trevisan G, Cinco M, Trevisini S, di Meo N, Chersi K, Ruscio M, Forgione P, Bonin S. Borreliae Part 1: Borrelia Lyme Group and Echidna-Reptile Group. BIOLOGY 2021; 10:biology10101036. [PMID: 34681134 PMCID: PMC8533607 DOI: 10.3390/biology10101036] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/06/2021] [Accepted: 10/09/2021] [Indexed: 12/17/2022]
Abstract
Simple Summary Borreliae are spirochaetes, which represent a heterogeneous phylum within bacteria. Spirochaetes are indeed distinguished from other bacteria for their spiral shape, which also characterizes Borreliae. This review describes briefly the organization of the phylum Spirocheteales with a digression about its pathogenicity and historical information about bacteria isolation and characterization. Among spirochaetes, Borrelia genus is here divided into three groups, namely the Lyme group (LG), the Echidna-Reptile group (REPG) and the Relapsing Fever group (RFG). Borreliae Part 1 deals with Lyme group and Echidna-Reptile group Borreliae, while the subject of Borreliae Part 2 is Relapsing Fever group and unclassified Borreliae. Lyme group Borreliae is organized here in sections describing ecology, namely tick vectors and animal hosts, epidemiology, microbiology, and Borrelia genome organization and antigen characterization. Furthermore, the main clinical manifestations in Lyme borreliosis are also described. Although included in the Lyme group due to their particular clinical features, Borrelia causing Baggio Yoshinari syndrome and Borrelia mayonii are described in dedicated paragraphs. The Borrelia Echidna-Reptile group has been recently characterized including spirochaetes that apparently are not pathogenic to humans, but infect reptiles and amphibians. The paragraph dedicated to this group of Borreliae describes their vectors, hosts, geographical distribution and their characteristics. Abstract Borreliae are divided into three groups, namely the Lyme group (LG), the Echidna-Reptile group (REPG) and the Relapsing Fever group (RFG). Currently, only Borrelia of the Lyme and RF groups (not all) cause infection in humans. Borreliae of the Echidna-Reptile group represent a new monophyletic group of spirochaetes, which infect amphibians and reptiles. In addition to a general description of the phylum Spirochaetales, including a brief historical digression on spirochaetosis, in the present review Borreliae of Lyme and Echidna-Reptile groups are described, discussing the ecology with vectors and hosts as well as microbiological features and molecular characterization. Furthermore, differences between LG and RFG are discussed with respect to the clinical manifestations. In humans, LG Borreliae are organotropic and cause erythema migrans in the early phase of the disease, while RFG Borreliae give high spirochaetemia with fever, without the development of erythema migrans. With respect of LG Borreliae, recently Borrelia mayonii, with intermediate characteristics between LG and RFG, has been identified. As part of the LG, it gives erythema migrans but also high spirochaetemia with fever. Hard ticks are vectors for both LG and REPG groups, but in LG they are mostly Ixodes sp. ticks, while in REPG vectors do not belong to that genus.
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Affiliation(s)
- Giusto Trevisan
- DSM—Department of Medical Sciences, University of Trieste, 34149 Trieste, Italy; (G.T.); (N.d.M.)
| | - Marina Cinco
- DSV—Department of Life Sciences, University of Trieste, 34127 Trieste, Italy;
| | - Sara Trevisini
- ASUGI—Azienda Sanitaria Universitaria Giuliano Isontina, 34129 Trieste, Italy; (S.T.); (K.C.); (M.R.)
| | - Nicola di Meo
- DSM—Department of Medical Sciences, University of Trieste, 34149 Trieste, Italy; (G.T.); (N.d.M.)
- ASUGI—Azienda Sanitaria Universitaria Giuliano Isontina, 34129 Trieste, Italy; (S.T.); (K.C.); (M.R.)
| | - Karin Chersi
- ASUGI—Azienda Sanitaria Universitaria Giuliano Isontina, 34129 Trieste, Italy; (S.T.); (K.C.); (M.R.)
| | - Maurizio Ruscio
- ASUGI—Azienda Sanitaria Universitaria Giuliano Isontina, 34129 Trieste, Italy; (S.T.); (K.C.); (M.R.)
| | - Patrizia Forgione
- UOSD Dermatologia, Centro Rif. Regionale Malattia di Hansen e Lyme, P.O. dei Pellegrini, ASL Napoli 1 Centro, 80145 Naples, Italy;
| | - Serena Bonin
- DSM—Department of Medical Sciences, University of Trieste, 34149 Trieste, Italy; (G.T.); (N.d.M.)
- Correspondence: ; Tel.: +39-040-3993266
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Efstratiou A, Karanis G, Karanis P. Tick-Borne Pathogens and Diseases in Greece. Microorganisms 2021; 9:microorganisms9081732. [PMID: 34442811 PMCID: PMC8399993 DOI: 10.3390/microorganisms9081732] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/06/2021] [Accepted: 08/08/2021] [Indexed: 11/18/2022] Open
Abstract
Tick-borne diseases (TBDs) are recognized as a serious and growing public health epidemic in Europe, and are a cause of major losses in livestock production worldwide. This review is an attempt to present a summary of results from studies conducted over the last century until the end of the year 2020 regarding ticks, tick-borne pathogens, and tick-borne diseases in Greece. We provide an overview of the tick species found in Greece, as well as the most important tick-borne pathogens (viruses, bacteria, protozoa) and corresponding diseases in circulation. We also consider prevalence data, as well as geographic and climatic conditions. Knowledge of past and current situations of TBDs, as well as an awareness of (risk) factors affecting future developments will help to find approaches to integrated tick management as part of the ‘One Health Concept’; it will assist in avoiding the possibility of hotspot disease emergencies and intra- and intercontinental transmission. Increased surveillance in Greece is required to ensure clear and effective policies for TBD control.
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Affiliation(s)
- Artemis Efstratiou
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan;
| | - Gabriele Karanis
- Orthopädische Rehabilitationsklinik, Eisenmoorbad Bad Schmiedeberg Kur GmbH, 06905 Bad Schmiedeberg, Germany;
| | - Panagiotis Karanis
- Medical Faculty and University Hospital, The University of Cologne, 50923 Cologne, Germany
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, 21 Ilia Papakyriakou, 2414 Engomi. P.O. Box 24005, Nicosia CY-1700, Cyprus
- Correspondence:
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Barbour AG, Gupta RS. The Family Borreliaceae (Spirochaetales), a Diverse Group in Two Genera of Tick-Borne Spirochetes of Mammals, Birds, and Reptiles. JOURNAL OF MEDICAL ENTOMOLOGY 2021; 58:1513-1524. [PMID: 33903910 DOI: 10.1093/jme/tjab055] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Indexed: 06/12/2023]
Abstract
Spirochetes of the family Borreliaceae are, with one exception, tick-borne pathogens of a variety of vertebrates. The family at present comprises two genera: Borrelia (Swellengrebel), which includes the agents of relapsing fever, avian spirochetosis, and bovine borreliosis, and Borreliella (Gupta et al.), which includes the agents of Lyme disease and was formerly known as 'Borrelia burgdorferi sensulato complex'. The two genera are distinguished not only by their disease associations but also biological features in the tick vector, including tissue location in unfed ticks and transovarial transmission. Borrelia species transmitted by argasid (soft) ticks tend to have more exclusive relationships with their tick vectors than do other Borrelia species and all Borreliella species that have ixodid (hard) ticks as vectors. The division of genera is supported by phylogenomic evidence from whole genomes and by several specific molecular markers. These distinguishing phylogenetic criteria also applied to three new species or isolates of Borrelia that were discovered in ixodid ticks of reptiles, a monotreme, and birds. Although the deep branching of the family from other spirochetes has been a challenge for inferences about evolution of the family, the discovery of related microorganisms in the gut microbiota of other arachnids suggests an ancestral origin for the family as symbionts of ticks and other arachnids.
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Affiliation(s)
- Alan G Barbour
- Department of Microbiology & Molecular Genetics, University of California, Irvine, CA, USA
- Department of Medicine, University of California, Irvine, CA, USA
- Department of Ecology & Evolutionary Biology, University of California, Irvine, CA, USA
| | - Radhey S Gupta
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
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Norte AC, Harris DJ, Silveira D, Nunes CS, Núncio MS, Martínez EG, Giménez A, de Sousa R, Lopes de Carvalho I, Perera A. Diversity of microorganisms in Hyalomma aegyptium collected from spur-thighed tortoise (Testudo graeca) in North Africa and Anatolia. Transbound Emerg Dis 2021; 69:1951-1962. [PMID: 34125999 DOI: 10.1111/tbed.14188] [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: 01/12/2021] [Accepted: 06/04/2021] [Indexed: 01/19/2023]
Abstract
Ticks carry a diverse community of microorganisms including non-pathogenic symbionts, commensals, and pathogens, such as viruses, bacteria, protozoans, and fungi. The assessment of tick-borne microorganisms (TBM) in tortoises and their ticks is essential to understand their eco-epidemiology, and to map and monitor potential pathogens to humans and other animals. The aim of this study was to characterize the diversity of microorganisms found in ticks collected from the spur-thighed tortoise (Testudo graeca) in North Africa and Anatolia. Ticks feeding on wild T. graeca were collected, and pathogens were screened by polymerase chain reaction using group-specific primers. In total, 131 adult Hyalomma aegyptium ticks were collected from 92 T. graeca in Morocco (n = 48), Tunisia (n = 2), Algeria (n = 70), and Turkey (n = 11). Bacteria and protozoa detected included Hemolivia mauritanica (22.9%), Midichloria mitochondrii (11.4%), relapsing-fever borreliae (8.4%), Ehrlichia spp. (7.6%), Rickettsia spp. (3.4%), Borrelia burgdorferi s.l. (0.9%), Francisella spp. (0.9%), and Wolbachia spp. (0.8%). The characterization of Rickettsia included R. sibirica mongolitimonae (Algeria), R. aeschlimannii (Turkey), and R.africae (Morocco). Hemolivia mauritanica and Ehrlichia spp. prevalence varied significantly with the sampling region/country. We did not detect significant associations in microorganism presence within ticks, nor between microorganism presence and tick mitochondrial DNA haplogroups. This is the first report of Francisella persica-like, relapsing fever borreliae, M. mitochondrii, and Wolbachia spp. in H. aegyptium ticks collected from wild hosts from the South and Eastern Mediterranean region, and of R. sibirica mongolitimonae and R. africae in H. aegyptium from Algeria and Morocco, respectively. Given that T. graeca is a common species in commercial and non-commercial pet trade, the evaluation of the role of this species and its ticks as hosts for TBM is particularly relevant for public health.
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Affiliation(s)
- Ana Cláudia Norte
- MARE - Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, Coimbra, Portugal.,Centre for Vector and Infectious Diseases Research, National Institute of Health Doutor Ricardo Jorge, Águas de Moura, Portugal
| | - David James Harris
- CIBIO/InBIO - Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Vairão, Portugal
| | - Diogo Silveira
- CIBIO/InBIO - Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Vairão, Portugal
| | - Carolina Saramago Nunes
- Centre for Vector and Infectious Diseases Research, National Institute of Health Doutor Ricardo Jorge, Águas de Moura, Portugal
| | - Maria Sofia Núncio
- Centre for Vector and Infectious Diseases Research, National Institute of Health Doutor Ricardo Jorge, Águas de Moura, Portugal
| | - Eva Graciá Martínez
- Departamento de Biología Aplicada, Universidad Miguel Hernández, Elche, Spain.,Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Elche, Spain
| | - Andrés Giménez
- Departamento de Biología Aplicada, Universidad Miguel Hernández, Elche, Spain.,Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Elche, Spain
| | - Rita de Sousa
- Centre for Vector and Infectious Diseases Research, National Institute of Health Doutor Ricardo Jorge, Águas de Moura, Portugal
| | - Isabel Lopes de Carvalho
- Centre for Vector and Infectious Diseases Research, National Institute of Health Doutor Ricardo Jorge, Águas de Moura, Portugal
| | - Ana Perera
- CIBIO/InBIO - Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Vairão, Portugal
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Okeyo M, Hepner S, Rollins RE, Hartberger C, Straubinger RK, Marosevic D, Bannister SA, Bormane A, Donaghy M, Sing A, Fingerle V, Margos G. Longitudinal study of prevalence and spatio-temporal distribution of Borrelia burgdorferi sensu lato in ticks from three defined habitats in Latvia, 1999-2010. Environ Microbiol 2020; 22:5033-5047. [PMID: 32452153 DOI: 10.1111/1462-2920.15100] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 05/18/2020] [Accepted: 05/23/2020] [Indexed: 12/27/2022]
Abstract
Members of the Borrelia burgdorferi sensu lato (s.l.) species complex are known to cause human Lyme borreliosis. Because of longevity of some reservoir hosts and the Ixodes tick vectors' life cycle, long-term studies are required to better understand species and population dynamics of these bacteria in their natural habitats. Ticks were collected between 1999 and 2010 in three ecologically different habitats in Latvia. We used multilocus sequence typing utilizing eight chromosomally located housekeeping genes to obtain information about species and population fluctuations and/or stability of B. burgdorferi s.l. in these habitats. The average prevalence over all years was 18.9%. From initial high-infection prevalences of 25.5%, 33.1% and 31.8%, from 2002 onwards the infection rates steadily decreased to 7.3%. Borrelia afzelii and Borrelia garinii were the most commonly found genospecies but striking local differences were obvious. In one habitat, a significant shift from rodent-associated to bird-associated Borrelia species was noted whilst in the other habitats, Borrelia species composition was relatively stable over time. Sequence types (STs) showed a random spatial and temporal distribution. These results demonstrated that there are temporal regional changes and extrapolations from one habitat to the next are not possible.
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Affiliation(s)
- Mercy Okeyo
- Bavarian Health and Food Safety Authority, German National Reference Centre for Borrelia, Veterinärstr. 2, 85764, Oberschleissheim, Germany
| | - Sabrina Hepner
- Bavarian Health and Food Safety Authority, German National Reference Centre for Borrelia, Veterinärstr. 2, 85764, Oberschleissheim, Germany
| | - Robert E Rollins
- Division of Evolutionary Biology, Faculty of Biology, LMU Munich, Großhaderner Str. 2, 82152, Planegg-Martinsried, Germany
| | - Christina Hartberger
- Bavarian Health and Food Safety Authority, German National Reference Centre for Borrelia, Veterinärstr. 2, 85764, Oberschleissheim, Germany
| | - Reinhard K Straubinger
- Bacteriology and Mycology, Institute for Infectious Diseases and Zoonoses, Faculty of Veterinary Medicine, LMU Munich, Veterinärstraße 13, 80539, Munich, Germany
| | - Durdica Marosevic
- Bavarian Health and Food Safety Authority, German National Reference Centre for Borrelia, Veterinärstr. 2, 85764, Oberschleissheim, Germany
| | | | - Antra Bormane
- Center for Disease Prevention and Control, Infectious Diseases Surveillance and Immunization Unit, Duntes iela 22-4, Riga, LV-1005, Latvia
| | - Michael Donaghy
- Department of Clinical Neurology, Green Templeton College, The University of Oxford, Oxford, UK
| | - Andreas Sing
- Bavarian Health and Food Safety Authority, German National Reference Centre for Borrelia, Veterinärstr. 2, 85764, Oberschleissheim, Germany
| | - Volker Fingerle
- Bavarian Health and Food Safety Authority, German National Reference Centre for Borrelia, Veterinärstr. 2, 85764, Oberschleissheim, Germany
| | - Gabriele Margos
- Bavarian Health and Food Safety Authority, German National Reference Centre for Borrelia, Veterinärstr. 2, 85764, Oberschleissheim, Germany
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