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Tang T, Zhu Y, Zhang YY, Chen JJ, Tian JB, Xu Q, Jiang BG, Wang GL, Golding N, Mehlman ML, Lv CL, Hay SI, Fang LQ, Liu W. The global distribution and the risk prediction of relapsing fever group Borrelia: a data review with modelling analysis. THE LANCET. MICROBE 2024; 5:e442-e451. [PMID: 38467129 DOI: 10.1016/s2666-5247(23)00396-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 11/22/2023] [Accepted: 11/22/2023] [Indexed: 03/13/2024]
Abstract
BACKGROUND The recent discovery of emerging relapsing fever group Borrelia (RFGB) species, such as Borrelia miyamotoi, poses a growing threat to public health. However, the global distribution and associated risk burden of these species remain uncertain. We aimed to map the diversity, distribution, and potential infection risk of RFGB. METHODS We searched PubMed, Web of Science, GenBank, CNKI, and eLibrary from Jan 1, 1874, to Dec 31, 2022, for published articles without language restriction to extract distribution data for RFGB detection in vectors, animals, and humans, and clinical information about human patients. Only articles documenting RFGB infection events were included in this study, and data for RFGB detection in vectors, animals, or humans were composed into a dataset. We used three machine learning algorithms (boosted regression trees, random forest, and least absolute shrinkage and selection operator logistic regression) to assess the environmental, ecoclimatic, biological, and socioeconomic factors associated with the occurrence of four major RFGB species: Borrelia miyamotoi, Borrelia lonestari, Borrelia crocidurae, and Borrelia hermsii; and mapped their worldwide risk level. FINDINGS We retrieved 13 959 unique studies, among which 697 met the selection criteria and were used for data extraction. 29 RFGB species have been recorded worldwide, of which 27 have been identified from 63 tick species, 12 from 61 wild animals, and ten from domestic animals. 16 RFGB species caused human infection, with a cumulative count of 26 583 cases reported from Jan 1, 1874, to Dec 31, 2022. Borrelia recurrentis (17 084 cases) and Borrelia persica (2045 cases) accounted for the highest proportion of human infection. B miyamotoi showed the widest distribution among all RFGB, with a predicted environmentally suitable area of 6·92 million km2, followed by B lonestari (1·69 million km2), B crocidurae (1·67 million km2), and B hermsii (1·48 million km2). The habitat suitability index of vector ticks and climatic factors, such as the annual mean temperature, have the most significant effect among all predictive models for the geographical distribution of the four major RFGB species. INTERPRETATION The predicted high-risk regions are considerably larger than in previous reports. Identification, surveillance, and diagnosis of RFGB infections should be prioritised in high-risk areas, especially within low-income regions. FUNDING National Key Research and Development Program of China.
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Affiliation(s)
- Tian Tang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Ying Zhu
- Department of Epidemiology and Biostatistics, School of Public Health, Wuhan University, Wuhan, China
| | - Yuan-Yuan Zhang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Jin-Jin Chen
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Jian-Bo Tian
- Department of Epidemiology and Biostatistics, School of Public Health, Wuhan University, Wuhan, China
| | - Qiang Xu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Bao-Gui Jiang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Guo-Lin Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Nick Golding
- Telethon Kids Institute, Nedlands, WA, Australia; School of Population Health, Curtin University, Bentley, WA, Australia; Melbourne School of Population and Global Health, University of Melbourne, Parkville, VIC, Australia
| | - Max L Mehlman
- Department of Health Metrics Sciences, School of Medicine, University of Washington, Seattle, WA, USA; Institute for Health Metrics and Evaluation, University of Washington, Seattle, WA, USA
| | - Chen-Long Lv
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Simon I Hay
- Department of Health Metrics Sciences, School of Medicine, University of Washington, Seattle, WA, USA; Institute for Health Metrics and Evaluation, University of Washington, Seattle, WA, USA
| | - Li-Qun Fang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
| | - Wei Liu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China; Department of Epidemiology and Biostatistics, School of Public Health, Wuhan University, Wuhan, China.
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Hepner S, Kuleshov K, Tooming-Kunderud A, Alig N, Gofton A, Casjens S, Rollins RE, Dangel A, Mourkas E, Sheppard SK, Wieser A, Hübner J, Sing A, Fingerle V, Margos G. A high fidelity approach to assembling the complex Borrelia genome. BMC Genomics 2023; 24:401. [PMID: 37460975 DOI: 10.1186/s12864-023-09500-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 06/30/2023] [Indexed: 07/20/2023] Open
Abstract
BACKGROUND Bacteria of the Borrelia burgdorferi sensu lato (s.l.) complex can cause Lyme borreliosis. Different B. burgdorferi s.l. genospecies vary in their host and vector associations and human pathogenicity but the genetic basis for these adaptations is unresolved and requires completed and reliable genomes for comparative analyses. The de novo assembly of a complete Borrelia genome is challenging due to the high levels of complexity, represented by a high number of circular and linear plasmids that are dynamic, showing mosaic structure and sequence homology. Previous work demonstrated that even advanced approaches, such as a combination of short-read and long-read data, might lead to incomplete plasmid reconstruction. Here, using recently developed high-fidelity (HiFi) PacBio sequencing, we explored strategies to obtain gap-free, complete and high quality Borrelia genome assemblies. Optimizing genome assembly, quality control and refinement steps, we critically appraised existing techniques to create a workflow that lead to improved genome reconstruction. RESULTS Despite the latest available technologies, stand-alone sequencing and assembly methods are insufficient for the generation of complete and high quality Borrelia genome assemblies. We developed a workflow pipeline for the de novo genome assembly for Borrelia using several types of sequence data and incorporating multiple assemblers to recover the complete genome including both circular and linear plasmid sequences. CONCLUSION Our study demonstrates that, with HiFi data and an ensemble reconstruction pipeline with refinement steps, chromosomal and plasmid sequences can be fully resolved, even for complex genomes such as Borrelia. The presented pipeline may be of interest for the assembly of further complex microbial genomes.
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Affiliation(s)
- Sabrina Hepner
- German National Reference Centre for Borrelia, Oberschleissheim, Germany.
- Bavarian Health and Food Safety Authority, Oberschleissheim, Germany.
| | | | - Ave Tooming-Kunderud
- Department of Biosciences, Norwegian Sequencing Centre at Centre for Ecological and Evolutionary Synthesis, University of Oslo, Oslo, Norway
| | - Nikolas Alig
- German National Reference Centre for Borrelia, Oberschleissheim, Germany
- Bavarian Health and Food Safety Authority, Oberschleissheim, Germany
| | | | - Sherwood Casjens
- Division of Microbiology and Immunology, Pathology Department, University of Utah School of Medicine, Salt Lake City, UT, USA
| | - Robert E Rollins
- Institute of Avian Research "Vogelwarte Helgoland", Wilhelmshaven, Germany
| | - Alexandra Dangel
- Bavarian Health and Food Safety Authority, Oberschleissheim, Germany
| | | | | | - Andreas Wieser
- Medical Microbiology and Hospital Epidemiology, Max von Pettenkofer Institute, Faculty of Medicine, LMU Munich, Munich, Germany
- Division of Infectious Diseases and Tropical Medicine, LMU University Hospital, LMU Munich, Munich, Germany
- German Center for Infection Research (DZIF), partner site Munich, Munich, Germany
- Imunology, Infectious Disease and Pandemic Research IIP, Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Munich, Germany
| | - Johannes Hübner
- Dr. Von Hauner Children's Hospital, LMU Munich, Munich, Germany
| | - Andreas Sing
- German National Reference Centre for Borrelia, Oberschleissheim, Germany
- Bavarian Health and Food Safety Authority, Oberschleissheim, Germany
| | - Volker Fingerle
- German National Reference Centre for Borrelia, Oberschleissheim, Germany
- Bavarian Health and Food Safety Authority, Oberschleissheim, Germany
| | - Gabriele Margos
- German National Reference Centre for Borrelia, Oberschleissheim, Germany
- Bavarian Health and Food Safety Authority, Oberschleissheim, Germany
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Mofokeng LS, Smit NJ, Cook CA. Molecular Detection of Tick-Borne Bacteria from Amblyomma (Acari: Ixodidae) Ticks Collected from Reptiles in South Africa. Microorganisms 2022; 10:microorganisms10101923. [PMID: 36296199 PMCID: PMC9607068 DOI: 10.3390/microorganisms10101923] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/19/2022] [Accepted: 09/23/2022] [Indexed: 11/16/2022] Open
Abstract
Reptiles are hosts for various tick species and tick-associated organisms, many of which are zoonotic. However, little is known about the presence and diversity of tick-borne bacteria infecting reptiles and their ticks in South Africa. Amblyomma ticks (n = 253) collected from reptiles were screened for the presence of Coxiella, Anaplasma, Rickettsia, and Borrelia species by amplification, sequencing and phylogenetic analysis of the 16S rRNA, 23S rRNA, gltA, OmpA, and Flagellin genes, respectively. This study recorded the presence of reptile associated Borrelia species and Coxiella-like endosymbiont in South Africa for the first time. Furthermore, a spotted fever group Rickettsia species was observed in 7 Amblyomma marmoreum and 14 Amblyomma sylvaticum from tortoises of genera Kinixys and Chersina. Francisella-like endosymbiont was observed from 2 Amblyomma latum collected from the Mozambique spitting cobra, Naja mossambica. Coxiella burnetii and Anaplasma spp., were not detected from the current samples. Although the direct evidence that reptiles can act as reservoir hosts remains to be determined, observations from this study provide indications that reptilian ticks may play a role in the transmission of pathogenic bacteria to homothermic animals. Furthermore, the absence of Anaplasma spp., and C. burnetii does not mean that these pathogens should be completely neglected.
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Kneubehl AR, Krishnavajhala A, Leal SM, Replogle AJ, Kingry LC, Bermúdez SE, Labruna MB, Lopez JE. Comparative genomics of the Western Hemisphere soft tick-borne relapsing fever borreliae highlights extensive plasmid diversity. BMC Genomics 2022; 23:410. [PMID: 35641918 PMCID: PMC9158201 DOI: 10.1186/s12864-022-08523-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 03/30/2022] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Tick-borne relapsing fever (TBRF) is a globally prevalent, yet under-studied vector-borne disease transmitted by soft and hard bodied ticks. While soft TBRF (sTBRF) spirochetes have been described for over a century, our understanding of the molecular mechanisms facilitating vector and host adaptation is poorly understood. This is due to the complexity of their small (~ 1.5 Mb) but fragmented genomes that typically consist of a linear chromosome and both linear and circular plasmids. A majority of sTBRF spirochete genomes' plasmid sequences are either missing or are deposited as unassembled sequences. Consequently, our goal was to generate complete, plasmid-resolved genomes for a comparative analysis of sTBRF species of the Western Hemisphere. RESULTS Utilizing a Borrelia specific pipeline, genomes of sTBRF spirochetes from the Western Hemisphere were sequenced and assembled using a combination of short- and long-read sequencing technologies. Included in the analysis were the two recently isolated species from Central and South America, Borrelia puertoricensis n. sp. and Borrelia venezuelensis, respectively. Plasmid analyses identified diverse sequences that clustered plasmids into 30 families; however, only three families were conserved and syntenic across all species. We also compared two species, B. venezuelensis and Borrelia turicatae, which were isolated ~ 6,800 km apart and from different tick vector species but were previously reported to be genetically similar. CONCLUSIONS To truly understand the biological differences observed between species of TBRF spirochetes, complete chromosome and plasmid sequences are needed. This comparative genomic analysis highlights high chromosomal synteny across the species yet diverse plasmid composition. This was particularly true for B. turicatae and B. venezuelensis, which had high average nucleotide identity yet extensive plasmid diversity. These findings are foundational for future endeavors to evaluate the role of plasmids in vector and host adaptation.
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Affiliation(s)
- Alexander R Kneubehl
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
- Department of Molecular Virology and Microbiology, National School of Tropical Medicine, Baylor College of Medicine, Houston, TX, USA
| | | | - Sebastián Muñoz Leal
- Departamento de Ciencia Animal, Facultad de Ciencias Veterinarias, Universidad de Concepción, Concepción, Chile
| | - Adam J Replogle
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | - Luke C Kingry
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | - Sergio E Bermúdez
- Medical Entomology Department, Gorgas Memorial Institute for Health Research, Panamá City, Panamá
| | - Marcelo B Labruna
- Departamento de Medicina Veterinária Preventiva E Saúde Animal, Faculdade de Medicina Veterinária E Zootecnia, Universidade de São Paulo, São Paulo, Brazil
| | - Job E Lopez
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA.
- Department of Molecular Virology and Microbiology, National School of Tropical Medicine, Baylor College of Medicine, Houston, TX, USA.
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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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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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Molecular Detection of Novel Borrelia Species, Candidatus Borrelia javanense, in Amblyomma javanense Ticks from Pangolins. Pathogens 2021; 10:pathogens10060728. [PMID: 34207826 PMCID: PMC8227940 DOI: 10.3390/pathogens10060728] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 05/29/2021] [Accepted: 06/05/2021] [Indexed: 11/17/2022] Open
Abstract
A novel Borrelia species, Candidatus Borrelia javanense, was found in ectoparasite ticks, Amblyomma javanense, from Manis javanica pangolins seized in anti-smuggling operations in southern China. Overall, 12 tick samples in 227 (overall prevalence 5.3%) were positive for Candidatus B. javanense, 9 (5.1%) in 176 males, and 3 (5.9%) in 51 females. The phylogenetic analysis, based on the 16S rRNA gene and the flagellin gene sequences of the Borrelia sp., exhibited strong evidence that Candidatus B. javanense did not belong to the Lyme disease Borrelia group and the relapsing fever Borrelia group but another lineage of Borrelia. The discovery of the novel Borrelia species suggests that A. javanense may be the transmit vector, and the M. javanica pangolins should be considered a possible origin reservoir in the natural circulation of these new pathogens. To our knowledge, this is the first identification of a novel Borrelia species agent in A. javanense from pangolins. Whether the novel agent is pathogenic to humans is unknown and needs further research.
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Nakao R, Kasama K, Boldbaatar B, Ogura Y, Kawabata H, Toyoda A, Hayashi T, Takano A, Maeda K. The evolution of hard tick-borne relapsing fever borreliae is correlated with vector species rather than geographical distance. BMC Ecol Evol 2021; 21:105. [PMID: 34058972 PMCID: PMC8166147 DOI: 10.1186/s12862-021-01838-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 05/24/2021] [Indexed: 11/27/2022] Open
Abstract
Background Relapsing fever (RF) borreliae are arthropod-borne spirochetes and some of them cause human diseases, which are characterized by relapsing or recurring episodes of fever. Recently, it has been classified into two groups: soft tick-borne RF (STRF) borreliae and hard tick-borne RF (HTRF) borreliae. STRF borreliae include classical RF agents and HTRF borreliae, the latter of which include B. miyamotoi, a human pathogen recently identified in Eurasia and North America. Results In this study, we determined the genome sequences of 16 HTRF borreliae strains: 15 B. miyamotoi strains (9 from Hokkaido Island, Japan, 3 from Honshu Island, Japan, and 3 from Mongolia) and a Borrelia sp. tHM16w. Chromosomal gene synteny was highly conserved among the HTRF strains sequenced in this study, even though they were isolated from different geographic regions and different tick species. Phylogenetic analysis based on core gene sequences revealed that HTRF and STRF borreliae are clearly distinguishable, with each forming a monophyletic group in the RF borreliae lineage. Moreover, the evolutionary relationships of RF borreliae are consistent with the biological and ecological features of each RF borreliae sublineage and can explain the unique characteristics of Borrelia anserina. In addition, the pairwise genetic distances between HTRF borreliae strains were well correlated with those of vector species rather than with the geographical distances between strain isolation sites. This result suggests that the genetic diversification of HTRF borreliae is attributed to the speciation of vector ticks and that this relationship might be required for efficient transmission of HTRF borreliae within vector ticks. Conclusions The results of the present study, together with those from previous investigations, support the hypothesis that the common ancestor of borreliae was transmitted by hard-bodied ticks and that only STRF borreliae switched to using soft-bodied ticks as a vector, which was followed by the emergence of Borrelia recurrentis, lice-borne RF borreliae. Our study clarifies the phylogenetic relationships between RF borreliae, and the data obtained will contribute to a better understanding of the evolutionary history of RF borreliae. Supplementary Information The online version contains supplementary material available at 10.1186/s12862-021-01838-1.
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Affiliation(s)
- Ranna Nakao
- Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi City, Yamaguchi, 753-8515, Japan
| | - Kentaro Kasama
- Department of Bacteriology, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Bazartseren Boldbaatar
- Laboratory of Virology, Institute of Veterinary Medicine, Mongolian University of Life Sciences, Zaisan, 17024, Ulaanbaatar, Mongolia
| | - Yoshitoshi Ogura
- Division of Microbiology, Department of Infectious Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume City, Fukuoka, 830-0011, Japan
| | - Hiroki Kawabata
- Department of Bacteriology-I, National Institute of Infectious Disease, 1-23-1 Toyama, Shinjyuku-ku, Tokyo, 162-8640, Japan
| | - Atsushi Toyoda
- Department of Genomics and Evolutionary Biology, National Institute of Genetics, 1111 Yata, Mishima City, Shizuoka, 411-8540, Japan
| | - Tetsuya Hayashi
- Department of Bacteriology, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka City, Fukuoka, 812-8582, Japan
| | - Ai Takano
- Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi City, Yamaguchi, 753-8515, Japan. .,Joint Graduate School of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi, 753-8515, Japan.
| | - Ken Maeda
- Joint Graduate School of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi, 753-8515, Japan.,Department of Veterinary Science, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjyuku-ku, Tokyo, 162-8640, Japan
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O'Keeffe KR, Oppler ZJ, Brisson D. Evolutionary ecology of Lyme Borrelia. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2020; 85:104570. [PMID: 32998077 PMCID: PMC8349510 DOI: 10.1016/j.meegid.2020.104570] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 09/21/2020] [Accepted: 09/22/2020] [Indexed: 01/02/2023]
Abstract
The bacterial genus, Borrelia, is comprised of vector-borne spirochete species that infect and are transmitted from multiple host species. Some Borrelia species cause highly-prevalent diseases in humans and domestic animals. Evolutionary, ecological, and molecular research on many Borrelia species have resulted in tremendous progress toward understanding the biology and natural history of these species. Yet, many outstanding questions, such as how Borrelia populations will be impacted by climate and land-use change, will require an interdisciplinary approach. The evolutionary ecology research framework incorporates theory and data from evolutionary, ecological, and molecular studies while overcoming common assumptions within each field that can hinder integration across these disciplines. Evolutionary ecology offers a framework to evaluate the ecological consequences of evolved traits and to predict how present-day ecological processes may result in further evolutionary change. Studies of microbes with complex transmission cycles, like Borrelia, which interact with multiple vertebrate hosts and arthropod vectors, are poised to leverage the power of the evolutionary ecology framework to identify the molecular interactions involved in ecological processes that result in evolutionary change. Using existing data, we outline how evolutionary ecology theory can delineate how interactions with other species and the physical environment create selective forces or impact migration of Borrelia populations and result in micro-evolutionary changes. We further discuss the ecological and molecular consequences of those micro-evolutionary changes. While many of the currently outstanding questions will necessitate new experimental designs and additional empirical data, many others can be addressed immediately by integrating existing molecular and ecological data within an evolutionary ecology framework.
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Affiliation(s)
| | - Zachary J Oppler
- Department of Biology, University of Pennsylvania, Philadelphia, PA, USA
| | - Dustin Brisson
- Department of Biology, University of Pennsylvania, Philadelphia, PA, USA
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10
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Margos G, Pantchev N, Globokar M, Lopez J, Rodon J, Hernandez L, Herold H, Salas N, Civit A, Fingerle V. First Cases of Natural Infections with Borrelia hispanica in Two Dogs and a Cat from Europe. Microorganisms 2020; 8:microorganisms8081251. [PMID: 32824647 PMCID: PMC7464417 DOI: 10.3390/microorganisms8081251] [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: 07/21/2020] [Revised: 08/05/2020] [Accepted: 08/14/2020] [Indexed: 11/30/2022] Open
Abstract
Canine cases of relapsing fever (RF) borreliosis have been described in Israel and the USA, where two RF species, Borrelia turicatae and Borrelia hermsii, can cause similar clinical signs to the Borrelia persica in dogs and cats reported from Israel, including fever, lethargy, anorexia, thrombocytopenia, and spirochetemia. In this report, we describe the first clinical cases of two dogs and a cat from Spain (Cordoba, Valencia, and Seville) caused by the RF species Borrelia hispanica. Spirochetes were present in the blood smears of all three animals, and clinical signs included lethargy, pale mucosa, anorexia, cachexia, or mild abdominal respiration. Laboratory findings, like thrombocytopenia in both dogs, may have been caused by co-infecting pathogens (i.e., Babesia vogeli, confirmed in one dog). Anemia was noticed in one of the dogs and in the cat. Borrelia hispanica was confirmed as an infecting agent by molecular analysis of the 16S rRNA locus. Molecular analysis of housekeeping genes and phylogenetic analyses, as well as successful in vitro culture of the feline isolate confirmed the causative agent as B. hispanica.
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Affiliation(s)
- Gabriele Margos
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, 85764 Oberschleißheim, Germany;
- Correspondence:
| | - Nikola Pantchev
- IDEXX Laboratories, 70806 Kornwestheim, Germany; (N.P.); (M.G.)
| | - Majda Globokar
- IDEXX Laboratories, 70806 Kornwestheim, Germany; (N.P.); (M.G.)
| | - Javier Lopez
- IDEXX Laboratories, 08038 Barcelona, Spain; (J.L.); (J.R.); (L.H.); (N.S.); (A.C.)
| | - Jaume Rodon
- IDEXX Laboratories, 08038 Barcelona, Spain; (J.L.); (J.R.); (L.H.); (N.S.); (A.C.)
| | - Leticia Hernandez
- IDEXX Laboratories, 08038 Barcelona, Spain; (J.L.); (J.R.); (L.H.); (N.S.); (A.C.)
| | - Heike Herold
- Bavarian Health and Food Safety Authority, 85764 Oberschleißheim, Germany;
| | - Noelia Salas
- IDEXX Laboratories, 08038 Barcelona, Spain; (J.L.); (J.R.); (L.H.); (N.S.); (A.C.)
| | - Anna Civit
- IDEXX Laboratories, 08038 Barcelona, Spain; (J.L.); (J.R.); (L.H.); (N.S.); (A.C.)
| | - Volker Fingerle
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, 85764 Oberschleißheim, Germany;
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11
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Margos G, Castillo-Ramirez S, Cutler S, Dessau RB, Eikeland R, Estrada-Peña A, Gofton A, Graña-Miraglia L, Hunfeld KP, Krause A, Lienhard R, Lindgren PE, Oskam C, Rudolf I, Schwartz I, Sing A, Stevenson B, Wormser GP, Fingerle V. Rejection of the name Borreliella and all proposed species comb. nov. placed therein. Int J Syst Evol Microbiol 2020; 70:3577-3581. [PMID: 32320380 DOI: 10.1099/ijsem.0.004149] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Rejection (nomen rejiciendum) of the name Borreliella and all new combinations therein is being requested on grounds of risk to human health and patient safety (Principle 1, subprinciple 2 and Rule 56a) and violation to aim for stability of names, to avoid useless creation of names (Principle 1, subprinciple 1 and 3) and that names should not be changed without sufficient reason (Principle 9 of the International Code of Nomenclature of Prokaryotes).
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Affiliation(s)
- Gabriele Margos
- Bavarian Health and Food Safety Authority, National Reference Center for Borrelia, Oberschleissheim, Germany.,Members of the ESCMID Study Group for Lyme Borreliosis (ESGBOR, www.escmid.org/esgbor)
| | - Santiago Castillo-Ramirez
- Programa de Genómica Evolutiva, Centro de Ciencias Genómicas, Universidad Nacional Autónomade México, CP 62210, Cuernavaca, Morelos, México
| | - Sally Cutler
- School of Health, Sport and Bioscience, University of East London, London E15 4LZ, UK.,Members of the ESCMID Study Group for Lyme Borreliosis (ESGBOR, www.escmid.org/esgbor)
| | - Ram B Dessau
- Department of Clinical Microbiology, Slagelse Hospital, Denmark.,Members of the ESCMID Study Group for Lyme Borreliosis (ESGBOR, www.escmid.org/esgbor)
| | - Randi Eikeland
- Norwegian Advisory Unit for Tick Borne Diseases, Sørlandet Hospital, Norway.,Members of the ESCMID Study Group for Lyme Borreliosis (ESGBOR, www.escmid.org/esgbor)
| | - Agustin Estrada-Peña
- Department of Animal Pathology, Faculty of Veterinary Medicine, 50013 Zaragoza, Spain
| | - Alexander Gofton
- Australian National Insect Collection CSIRO, Black Mountain, Acton, ACT, 2901, Australia
| | - Lucía Graña-Miraglia
- Programa de Genómica Evolutiva, Centro de Ciencias Genómicas, Universidad Nacional Autónomade México, CP 62210, Cuernavaca, Morelos, México
| | - Klaus-Peter Hunfeld
- Zentralinstitut für Labormedizin, Mikrobiologie & Krankenhaushygiene, Krankenhaus Nordwest, Akademisches Lehrkrankenhaus der Johann Wolfgang Goethe-Universität, Frankfurt am Main, Germany.,Members of the ESCMID Study Group for Lyme Borreliosis (ESGBOR, www.escmid.org/esgbor)
| | - Andreas Krause
- Abteilung Rheumatologie und Klinische Immunologie, Immanuel Krankenhaus Berlin, Berlin, Germany
| | - Reto Lienhard
- Microbiologiste FAMH, Laboratoire Borrelia (CNRT/ NRZK Spiez), La Chaux-de-Fonds, Switzerland
| | - Per-Eric Lindgren
- Department of Biomedical and Clinical Sciences (BKV), Division of Inflammation and Infection (II), Linköping University, Sweden.,Members of the ESCMID Study Group for Lyme Borreliosis (ESGBOR, www.escmid.org/esgbor)
| | - Charlotte Oskam
- Vector & Waterborne Pathogens Research Group, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, 6150, Australia
| | - Ivo Rudolf
- Institute of Vertebrate Biology, v.v.i., Academy of Sciences of the Czech Republic, CZ-691 42 Valtice, Czech Republic
| | - Ira Schwartz
- Department of Microbiology and Immunology, New York Medical College, Valhalla, NY, USA
| | - Andreas Sing
- Bavarian Health and Food Safety Authority, National Reference Center for Borrelia, Oberschleissheim, Germany
| | - Brian Stevenson
- Department of Microbiology, Immunology and Molecular Genetics and Department of Entomology, University of Kentucky, Lexington, Kentucky, 40502, USA
| | - Gary P Wormser
- Division of Infectious Diseases, New York Medical College, Valhalla, NY, USA
| | - Volker Fingerle
- Members of the ESCMID Study Group for Lyme Borreliosis (ESGBOR, www.escmid.org/esgbor).,Bavarian Health and Food Safety Authority, National Reference Center for Borrelia, Oberschleissheim, Germany
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12
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Binetruy F, Garnier S, Boulanger N, Talagrand-Reboul É, Loire E, Faivre B, Noël V, Buysse M, Duron O. A novel Borrelia species, intermediate between Lyme disease and relapsing fever groups, in neotropical passerine-associated ticks. Sci Rep 2020; 10:10596. [PMID: 32606328 PMCID: PMC7327063 DOI: 10.1038/s41598-020-66828-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 05/26/2020] [Indexed: 11/18/2022] Open
Abstract
Lyme disease (LD) and relapsing fevers (RF) are vector-borne diseases caused by bacteria of the Borrelia genus. Here, we report on the widespread infection by a non-described Borrelia species in passerine-associated ticks in tropical rainforests of French Guiana, South America. This novel Borrelia species is common in two tick species, Amblyomma longirostre and A. geayi, which feed on a broad variety of neotropical mammal and bird species, including migratory species moving to North America. The novel Borrelia species is divergent from the LD and RF species, and is more closely related to the reptile- and echidna-associated Borrelia group that was recently described. Genome sequencing showed that this novel Borrelia sp. has a relatively small genome consisting of a 0.9-Mb-large chromosome and an additional 0.3 Mb dispersed on plasmids. It harbors an RF-like genomic organization but with a unique mixture of LD- and RF-specific genes, including genes used by RF Borrelia for the multiphasic antigen-switching system and a number of immune-reactive protein genes used for the diagnosis of LD. Overall, our data indicate that this novel Borrelia is an intermediate taxon between the LD and RF species that may impact a large host spectrum, including American mammals. The designation "Candidatus Borrelia mahuryensis" is proposed for this species.
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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
| | - Stéphane Garnier
- UMR 6282 Biogéosciences, CNRS - Université Bourgogne Franche-Comté, Dijon, France
| | - Nathalie Boulanger
- EA7290, Virulence bactérienne précoce, groupe Borréliose de Lyme, Facultés de Médecine et de Pharmacie, Fédération de Médecine Translationnelle de Strasbourg, Université de Strasbourg, Strasbourg, France
- French National Reference Center on Lyme borreliosis, CHRU, Strasbourg, France
| | - Émilie Talagrand-Reboul
- EA7290, Virulence bactérienne précoce, groupe Borréliose de Lyme, Facultés de Médecine et de Pharmacie, Fédération de Médecine Translationnelle de Strasbourg, Université de Strasbourg, Strasbourg, France
- French National Reference Center on Lyme borreliosis, CHRU, Strasbourg, France
| | - Etienne Loire
- Unité ASTRE, Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD), Institut National de la Recherche Agronomique (INRA), UM, Montferriez-sur-Lez, France
| | - Bruno Faivre
- UMR 6282 Biogéosciences, CNRS - Université Bourgogne Franche-Comté, Dijon, France
| | - Valérie Noël
- 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
| | - 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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13
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Molecular detection of reptile-associated Borrelia in Boa constrictor (Squamata: Boidae) from Veracruz, Mexico. Acta Trop 2020; 205:105422. [PMID: 32112720 DOI: 10.1016/j.actatropica.2020.105422] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/25/2020] [Accepted: 02/25/2020] [Indexed: 01/09/2023]
Abstract
The reptile-associated Borrelia represent a monophyletic group of bacteria transmitted by several species of hard ticks, which has been reported to only infect amphibians and reptiles in Eurasia and Middle East, however, this bacterial group has not been studied in North America. The aim of this study was to assess the presence of Borrelia spirochetes in blood samples of native reptiles of Mexico. Blood samples were directly obtained from individuals, DNA extractions were performed using Chelex-100. The Borrelia detection was performed by conventional PCR. From 102 reptiles tested, only five individuals of Boa constrictor were positive for the presence of DNA of the reptile-associated Borrelia group. Supported by phylogenetic analysis, this study presents the first record of these spirochetes group in Mexico, and initial evidence of B. constrictor as a host of this group.
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14
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Neumann-Cip AC, Fingerle V, Margos G, Straubinger RK, Overzier E, Ulrich S, Wieser A. A Novel Rapid Sample Preparation Method for MALDI-TOF MS Permits Borrelia burgdorferi Sensu Lato Species and Isolate Differentiation. Front Microbiol 2020; 11:690. [PMID: 32373099 PMCID: PMC7186393 DOI: 10.3389/fmicb.2020.00690] [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: 01/24/2020] [Accepted: 03/25/2020] [Indexed: 12/24/2022] Open
Abstract
The genus Borrelia comprises vector-borne bacterial pathogens that can severely affect human and animal health. Members of the Borrelia burgdorferi sensu lato species complex can cause Lyme borreliosis, one of the most common vector-borne diseases in the Northern hemisphere. Besides, members of the relapsing fever group of spirochetes can cause tick-borne relapsing fever in humans and various febrile illnesses in animals in tropical, subtropical and temperate regions. Borrelia spp. organisms are fastidious to cultivate and to maintain in vitro, and therefore, difficult to work with in the laboratory. Currently, borrelia identification is mainly performed using PCR and DNA sequencing methods, which can be complicated/frustrating on complex DNA templates and may still be relatively expensive. Alternative techniques such as matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) are not well established for Borrelia spp., although this technique is currently one of the most used techniques for rapid identification of bacteria in microbiological diagnostic laboratories. This is mainly due to unsatisfactory results obtained by use of simple sample preparation techniques and medium-contamination obscuring the mass spectra. In addition, comprehensive libraries for Borrelia spp. MALDI-TOF MS have yet to be established. In this study, we developed a new filter-based chemical extraction technique that allows measurement of high quality Borrelia spp. spectra from less than 100,000 bacteria per spot in MALDI-TOF MS. We used 49 isolates of 13 different species to produce the largest mass-library for Borrelia spp. so far and to validate the protocol. The library was successfully established and identifies >96% of used isolates correctly to species level. Cluster analysis on the sum spectra was applied to all the different isolates, which resulted in tight cluster generation for most species. Comparative analysis of the generated cluster to a phylogeny based on concatenated multi-locus sequence typing genes provided a surprising homology. Our data demonstrate that the technique described here can be used for fast and reliable species and strain typing within the borrelia complex.
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Affiliation(s)
- Anna-Cathrine Neumann-Cip
- Division of Infectious Diseases and Tropical Medicine, University Hospital LMU, Munich, Germany.,German Center for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Volker Fingerle
- National Reference Center for Borrelia, Bavarian Health and Food Safety Authority, Oberschleissheim, Germany
| | - Gabriele Margos
- National Reference Center for Borrelia, Bavarian Health and Food Safety Authority, Oberschleissheim, Germany
| | - Reinhard K Straubinger
- Chair of Microbiology and Mycology, Department of Veterinary Sciences, Faculty of Veterinary Medicine, Ludwig Maximilian University of Munich, Munich, Germany
| | - Evelyn Overzier
- Chair of Microbiology and Mycology, Department of Veterinary Sciences, Faculty of Veterinary Medicine, Ludwig Maximilian University of Munich, Munich, Germany
| | - Sebastian Ulrich
- Chair of Microbiology and Mycology, Department of Veterinary Sciences, Faculty of Veterinary Medicine, Ludwig Maximilian University of Munich, Munich, Germany
| | - Andreas Wieser
- Division of Infectious Diseases and Tropical Medicine, University Hospital LMU, Munich, Germany.,German Center for Infection Research (DZIF), Partner Site Munich, Munich, Germany.,Chair of Medical Microbiology and Hospital Epidemiology, Faculty of Medicine, Max von Pettenkofer Institute, Ludwig Maximilian University of Munich, Munich, Germany
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15
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Lyme Disease: Diversity of Borrelia Species in California and Mexico Detected Using a Novel Immunoblot Assay. Healthcare (Basel) 2020; 8:healthcare8020097. [PMID: 32295182 PMCID: PMC7349648 DOI: 10.3390/healthcare8020097] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 04/10/2020] [Accepted: 04/10/2020] [Indexed: 01/15/2023] Open
Abstract
Background: With more than 300,000 new cases reported each year in the United States of America (USA), Lyme disease is a major public health concern. Borrelia burgdorferi sensu stricto (Bbss) is considered the primary agent of Lyme disease in North America. However, multiple genetically diverse Borrelia species encompassing the Borrelia burgdorferi sensu lato (Bbsl) complex and the Relapsing Fever Borrelia (RFB) group are capable of causing tickborne disease. We report preliminary results of a serological survey of previously undetected species of Bbsl and RFB in California and Mexico using a novel immunoblot technique. Methods: Serum samples were tested for seroreactivity to specific species of Bbsl and RFB using an immunoblot method based on recombinant Borrelia membrane proteins, as previously described. A sample was recorded as seropositive if it showed immunoglobulin M (IgM) and/or IgG reactivity with at least two proteins from a specific Borrelia species. Results: The patient cohort consisted of 90 patients residing in California or Mexico who met the clinical case definition of chronic Lyme disease. Immunoblot testing revealed that 42 patients were seropositive for Bbsl (Group 1), while 56 patients were seropositive for RFB (Group 2). Eight patients were seropositive for both Bbsl and RFB species. Group 1 included patients who were seropositive for Bbss (14), B. californiensis (eight), B. spielmanii (10), B. afzelii/B. garinii (10), and mixed infections that included B. mayonii (three). Group 2 included patients who were seropositive for B. hermsii (nine), B. miyamotoi (seven), B. turicatae (nine), and B. turcica (two). In the remaining Group 1 and Group 2 patients, the exact Borrelia species could not be identified using the immunoblot technique. Conclusions: Lyme disease is associated with a diverse group of Borrelia species in California and Mexico. Current testing for Lyme disease focuses on detection of Bbss, possibly resulting in missed diagnoses and failure to administer appropriate antibiotic therapy in a timely manner. The genetic diversity of Borrelia spirochetes must be considered in future Lyme disease test development.
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16
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Kuleshov KV, Margos G, Fingerle V, Koetsveld J, Goptar IA, Markelov ML, Kolyasnikova NM, Sarksyan DS, Kirdyashkina NP, Shipulin GA, Hovius JW, Platonov AE. Whole genome sequencing of Borrelia miyamotoi isolate Izh-4: reference for a complex bacterial genome. BMC Genomics 2020; 21:16. [PMID: 31906865 PMCID: PMC6945570 DOI: 10.1186/s12864-019-6388-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 12/12/2019] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND The genus Borrelia comprises spirochaetal bacteria maintained in natural transmission cycles by tick vectors and vertebrate reservoir hosts. The main groups are represented by a species complex including the causative agents of Lyme borreliosis and relapsing fever group Borrelia. Borrelia miyamotoi belongs to the relapsing fever group of spirochetes and forms distinct populations in North America, Asia, and Europe. As all Borrelia species B. miyamotoi possess an unusual and complex genome consisting of a linear chromosome and a number of linear and circular plasmids. The species is considered an emerging human pathogen and an increasing number of human cases are being described in the Northern hemisphere. The aim of this study was to produce a high quality reference genome that will facilitate future studies into genetic differences between different populations and the genome plasticity of B. miyamotoi. RESULTS We used multiple available sequencing methods, including Pacific Bioscience single-molecule real-time technology (SMRT) and Oxford Nanopore technology (ONT) supplemented with highly accurate Illumina sequences, to explore the suitability for whole genome assembly of the Russian B. miyamotoi isolate, Izh-4. Plasmids were typed according to their potential plasmid partitioning genes (PF32, 49, 50, 57/62). Comparing and combining results of both long-read (SMRT and ONT) and short-read methods (Illumina), we determined that the genome of the isolate Izh-4 consisted of one linear chromosome, 12 linear and two circular plasmids. Whilst the majority of plasmids had corresponding contigs in the Asian B. miyamotoi isolate FR64b, there were only four that matched plasmids of the North American isolate CT13-2396, indicating differences between B. miyamotoi populations. Several plasmids, e.g. lp41, lp29, lp23, and lp24, were found to carry variable major proteins. Amongst those were variable large proteins (Vlp) subtype Vlp-α, Vlp-γ, Vlp-δ and also Vlp-β. Phylogenetic analysis of common plasmids types showed the uniqueness in Russian/Asian isolates of B. miyamotoi compared to other isolates. CONCLUSIONS We here describe the genome of a Russian B. miyamotoi clinical isolate, providing a solid basis for future comparative genomics of B. miyamotoi isolates. This will be a great impetus for further basic, molecular and epidemiological research on this emerging tick-borne pathogen.
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Affiliation(s)
- Konstantin V Kuleshov
- Central Research Institute of Epidemiology, Moscow, 111123, Russia.
- Federal State Budget Scientific Institution "Federal Scientific Center VIEV", Moscow, Russia.
| | - Gabriele Margos
- 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
| | - Joris Koetsveld
- Amsterdam University Medical Centers, location Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Irina A Goptar
- Izmerov Research Institute of Occupational Health, Moscow, Russia
| | | | - Nadezhda M Kolyasnikova
- Central Research Institute of Epidemiology, Moscow, 111123, Russia
- Chumakov Federal Scientific Center for Research and Development of Immune-and- Biological Products of Russian Academy of Sciences, Moscow, Russia
| | - Denis S Sarksyan
- Amsterdam University Medical Centers, location Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
- Izhevsk State Medical Academy, Izhevsk, Russia
| | | | - German A Shipulin
- Center of Strategical Planning and Management of Biomedical Health Risks of the Ministry of Health, Moscow, Russia
| | - Joppe W Hovius
- Amsterdam University Medical Centers, location Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
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17
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Kaenkan W, Nooma W, Chelong IA, Baimai V, Trinachartvanit W, Ahantarig A. Reptile-associated Borrelia spp. In Amblyomma ticks, Thailand. Ticks Tick Borne Dis 2020; 11:101315. [DOI: 10.1016/j.ttbdis.2019.101315] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 09/27/2019] [Accepted: 10/13/2019] [Indexed: 12/24/2022]
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18
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Hepner S, Fingerle V, Duscher GG, Felsberger G, Marosevic D, Rollins RE, Okeyo M, Sing A, Margos G. Population structure of Borrelia turcica from Greece and Turkey. INFECTION GENETICS AND EVOLUTION 2019; 77:104050. [PMID: 31676445 DOI: 10.1016/j.meegid.2019.104050] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 09/19/2019] [Accepted: 09/22/2019] [Indexed: 10/25/2022]
Abstract
Borrelia turcica, a member of the reptile-associated Borrelia clade, is vectored by Hyalomma aegyptium. The only suggested reservoir hosts of B. turcica are tortoises of the genus Testudo. Borrelia turcica has been described to occur in several Southeastern European countries including Turkey, Romania, Bulgaria and Greece but so far nothing is known about the relationship of these populations and whether or how they are structured. Using multilocus sequence typing (MLST) on eight chromosomally located housekeeping loci (clpA, clpX, nifS, pepX, pyrG, recG, rplB and uvrA) we analyzed 43 B. turcica isolates from Serres, Greece (n = 15) collected in 2017 and Izmir, Turkey (n = 28) collected in 2018. To understand their relationship a maximum-likelihood phylogenetic tree and goeBURST analysis were done based on MLST sequence data and allelic profiles, respectively. The data we generated confirmed that the samples of B. turcica investigated here were divergent from Lyme disease (LD) and relapsing fever (RF) species. Within the B. turcica clade, samples of different geographic origin (Greece, Turkey) clustered together in terminal branches; no obvious differences between the Greek and Turkish samples were noticeable. A goeBURST analysis using triple-locus variants revealed very few clonal complexes with the majority of samples appearing as singletons. Minor clonal complexes (consisting of two sequence types) comprised only Greek isolates, only Turkish isolates or both, so no pattern of clustering of isolates from the two geographical regions was observed. Interestingly, very little population structure was discerned in our study. This was surprising in view of the large geographic distance between collection sites of B. turcica and raises questions about the evolution or spatial spread of this species.
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Affiliation(s)
- Sabrina Hepner
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim 85764, Germany.
| | - Volker Fingerle
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim 85764, Germany
| | - Georg Gerhard Duscher
- Institute of Parasitology, Department of Pathobiology, Veterinary University of Vienna, Veterinärplatz 1, Vienna 1210, Austria
| | - Gerit Felsberger
- AGES-Austrian Agency for Health and Food Safety, Währingerstr. 25a, Vienna 1090, Austria
| | - Durdica Marosevic
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim 85764, Germany
| | - Robert Ethan Rollins
- Division of Evolutionary Biology, Faculty of Biology, Ludwig-Maximilians University, Großhaderner Str.2, Martinsried 82152, Germany
| | - Mercy Okeyo
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim 85764, Germany
| | - Andreas Sing
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim 85764, Germany
| | - Gabriele Margos
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim 85764, Germany
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Margos G, Fingerle V, Oskam C, Stevenson B, Gofton A. Comment on: Gupta, 2019, distinction between Borrelia and Borreliella is more robustly supported by molecular and phenotypic characteristics than all other neighbouring prokaryotic genera: Response to Margos' et al. "The genus Borrelia reloaded" (PLoS One 13(12): e0208432). PLoS One 14(8):e0221397. Ticks Tick Borne Dis 2019; 11:101320. [PMID: 31722850 DOI: 10.1016/j.ttbdis.2019.101320] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 10/22/2019] [Accepted: 10/22/2019] [Indexed: 01/11/2023]
Affiliation(s)
- Gabriele Margos
- Bavarian Health and Food Safety Authority, National Reference Center for Borrelia, Veterinärstr. 2, 85764 Oberschleissheim, Germany.
| | - Volker Fingerle
- Bavarian Health and Food Safety Authority, National Reference Center for Borrelia, Veterinärstr. 2, 85764 Oberschleissheim, Germany
| | - Charlotte Oskam
- Vector & Waterborne Pathogens Research Group, College of Science, Health, Engineering and Education, Murdoch University, Murdoch 6150, Australia
| | - Brian Stevenson
- Department of Microbiology, Immunology, and Molecular Genetics, and Department of Entomology, University of Kentucky, Lexington, KY 40502, USA
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Distinction between Borrelia and Borreliella is more robustly supported by molecular and phenotypic characteristics than all other neighbouring prokaryotic genera: Response to Margos' et al. "The genus Borrelia reloaded" (PLoS ONE 13(12): e0208432). PLoS One 2019; 14:e0221397. [PMID: 31454394 PMCID: PMC6711536 DOI: 10.1371/journal.pone.0221397] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 07/25/2019] [Indexed: 01/10/2023] Open
Abstract
In a recent publication in PLOS ONE, Gabriele Margos and colleagues have questioned the division of the genus Borrelia into two genera on the basis that the differences in percentage of conserved proteins (POCP) between these two groups is >50%, which an earlier study has suggested as the threshold for differentiating prokaryotic genera. However, the POCP threshold is a poorly characterized and rarely used criterion for establishing distinction among prokaryotic genera. Detailed evaluation of the intergeneric POCP values for 37 genera from 3 different families (viz. Enterobacteriaceae- 24 genera, Morganellaceae-8 genera and Cystobacteraceae-5 genera) presented here shows that the POCP values for all genera within each of these families exceeded >58%. Thus, the suggested POCP threshold is not a useful criterion for delimitation of genus boundary and the objection by Margos et al. on this ground is invalid. Additionally, Margos et al. have questioned the specificities of ~15–20% of the conserved signature indels (CSIs) described in our work. However, as shown here, this concern is due to misunderstanding of the results and the CSIs in question are still highly-specific characteristics of the members of these genera and they provide important information regarding the evolutionary relationships of two new reptiles-echidna-related species viz. Borrelia turcica and Candidatus Borrelia tachyglossi to other Borrelia species. Results presented here show that both these species are deeper-branching members of the genus Borrelia and their placement within this genus is strongly supported by phylogenetic analyses and multiple uniquely shared CSIs with the other Borrelia species. Based on the large body of evidence derived from phylogenetic, genomic, molecular, phenotypic and clinical features, it is contended that the characteristics clearly distinguishing the Borrelia and Borreliella genera are far more numerous and of different kinds than those discerning most (all) other neighbouring genera of prokaryotes. Thus, the placement of these two groups of microorganisms into distinct genera, Borrelia and Borreliella, which clearly recognizes the differences among them, is highly appropriate and it should lead to a better understanding of the clinical, molecular and biological differences between these two important groups of microbes.
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Hepner S, Fingerle V, Heylen D, Marosevic D, Ghaffari K, Okeyo M, Sing A, Margos G. First investigations on serum resistance and sensitivity of Borrelia turcica. Ticks Tick Borne Dis 2019; 10:1157-1161. [PMID: 31239207 DOI: 10.1016/j.ttbdis.2019.06.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 06/04/2019] [Accepted: 06/15/2019] [Indexed: 12/14/2022]
Abstract
Borrelia turcica is a reptile-associated Borrelia species that is vectored by the hard tick Hyalomma aegyptium. Tortoises of the genus Testudo represent the principal host of adult H. aegyptium, while immature stages are less host-specific and can be found on various vertebrates and even on humans. Borrelia turcica isolates were already successfully obtained from exotic tortoises suggesting that they are putative hosts. To the best of our knowledge, no further investigations on additional host association of B. turcica were conducted. Since many but not all adult Hyalomma ticks collected from tortoises are infected, questions arise about the direction of transmission between tick and tortoises for this Borrelia species. In addition, there is no information on the potential pathogenicity of B. turcica for humans. For other Borrelia species it has been shown that resistance or sensitivity to complement-active serum can be indicative of host species association(s). In this study, we explored for the first time the in vitro survival of B. turcica isolates from Turkey (IST7) and Greece (171601G) in the presence of 50% complement-active serum of different species (tortoise, turtle, human and bird). Both isolates showed resistance to tortoise serum, partial resistance to turtle serum but did not survive human and bird serum. These data suggest that indeed tortoises are reservoir host species for B. turcica while birds or humans are not. By implication these data suggest that B. turcica is not human pathogenic. Whether or not other reptile species, such as lizards, are also potential hosts, requires further investigation. However, as the life cycle of Borrelia is closely linked to that of their hosts and vectors, in vitro studies can only give clues about the actual in vivo behavior.
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Affiliation(s)
- Sabrina Hepner
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim, 85764, Germany.
| | - Volker Fingerle
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim, 85764, Germany
| | - Dieter Heylen
- Department of Biology, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium; Interuniversity Institute for Biostatistics and statistical Bioinformatics, Hasselt University, Agoralaan Building D, 3590, Diepenbeek, Belgium
| | - Durdica Marosevic
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim, 85764, Germany
| | - Katayoon Ghaffari
- Clinic of Birds, Small Mammals, Reptiles and Ornamental Fish of the Ludwig-Maximilians University Munich, Faculty of Veterinary Medicine, Sonnenstr. 18, Oberschleissheim, 58764, Germany
| | - Mercy Okeyo
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim, 85764, Germany
| | - Andreas Sing
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim, 85764, Germany
| | - Gabriele Margos
- German National Reference Centre for Borrelia, Bavarian Health and Food Safety Authority, Veterinärstr. 2, Oberschleissheim, 85764, Germany
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Estrada-Peña A, Cabezas-Cruz A. Phyloproteomic and functional analyses do not support a split in the genus Borrelia (phylum Spirochaetes). BMC Evol Biol 2019; 19:54. [PMID: 30760200 PMCID: PMC6375133 DOI: 10.1186/s12862-019-1379-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 01/31/2019] [Indexed: 12/14/2022] Open
Abstract
Background The evolutionary history of a species is frequently derived from molecular sequences, and the resulting phylogenetic trees do not include explicit functional information. Here, we aimed to assess the functional relationships among bacteria in the Spirochaetes phylum, based on the biological processes of 42,489 proteins in reference proteomes of 34 Spirochaetes species. We tested the hypothesis that the species in the genus Borrelia might be sufficiently different to warrant splitting them into two separate genera. Results A detrended canonical analysis demonstrated that the presence/absence of biological processes among selected bacteria contained a strong phylogenetic signal, which did not separate species of Borrelia. We examined the ten biological processes in which most proteins were involved consistently. This analysis demonstrated that species in Borrelia were more similar to each other than to free-life species (Sediminispirochaeta, Spirochaeta, Sphaerochaeta) or to pathogenic species without vectors (Leptospira, Treponema, Brachyspira), which are highly divergent. A dendrogram based on the presence/absence of proteins in the reference proteomes demonstrated that distances between species of the same genus among free-life or pathogenic non-vector species were higher than the distances between the 19 species (27 strains) of Borrelia. A phyloproteomic network supported the close functional association between species of Borrelia. In the proteome of 27 strains of Borrelia, only a few proteins had evolved separately, in the relapsing fever and Lyme borreliosis groups. The most prominent Borrelia proteins and processes were a subset of those also found in free-living and non-vectored pathogenic species. In addition, the functional innovation (i.e., unique biological processes or proteins) of Borrelia was very low, compared to other genera of Spirochaetes. Conclusions We found only marginal functional differences among Borrelia species. Phyloproteomic networks that included all pairwise combinations between species, proteins, and processes were more effective than other methods for evaluating the evolutionary relationships among taxa. With the limitations of data availability, our results did not support a split of the arthropod-transmitted spirochaetes into the proposed genera, Borrelia and Borreliella. Electronic supplementary material The online version of this article (10.1186/s12862-019-1379-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Agustín Estrada-Peña
- Department of Animal Pathology, Faculty of Veterinary Medicine, Miguel Servet, 177, 50013, Zaragoza, Spain.
| | - Alejandro Cabezas-Cruz
- UMR BIPAR, INRA, ANSES, Ecole Nationale Vétérinaire d'Alfort, Université Paris-Est, 94700, Maisons-Alfort, France
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Margos G, Gofton A, Wibberg D, Dangel A, Marosevic D, Loh SM, Oskam C, Fingerle V. The genus Borrelia reloaded. PLoS One 2018; 13:e0208432. [PMID: 30586413 PMCID: PMC6306154 DOI: 10.1371/journal.pone.0208432] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 11/05/2018] [Indexed: 12/16/2022] Open
Abstract
The genus Borrelia, originally described by Swellengrebel in 1907, contains tick- or louse-transmitted spirochetes belonging to the relapsing fever (RF) group of spirochetes, the Lyme borreliosis (LB) group of spirochetes and spirochetes that form intermittent clades. In 2014 it was proposed that the genus Borrelia should be separated into two genera; Borrelia Swellengrebel 1907 emend. Adeolu and Gupta 2014 containing RF spirochetes and Borreliella Adeolu and Gupta 2014 containing LB group of spirochetes. In this study we conducted an analysis based on a method that is suitable for bacterial genus demarcation, the percentage of conserved proteins (POCP). We included RF group species, LB group species and two species belonging to intermittent clades, Borrelia turcica Güner et al. 2004 and Candidatus Borrelia tachyglossi Loh et al. 2017. These analyses convincingly showed that all groups of spirochetes belong into one genus and we propose to emend, and re-unite all groups in, the genus Borrelia.
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Affiliation(s)
- Gabriele Margos
- Bavarian Health and Food Safety Authority and National Reference Center for Borrelia, Oberschleissheim, Germany
- * E-mail:
| | - Alex Gofton
- Vector & Waterborne Pathogens Research Group, School of Veterinary & Life Sciences, Murdoch University, South St, Murdoch, Australia
| | | | - Alexandra Dangel
- Bavarian Health and Food Safety Authority and National Reference Center for Borrelia, Oberschleissheim, Germany
| | - Durdica Marosevic
- Bavarian Health and Food Safety Authority and National Reference Center for Borrelia, Oberschleissheim, Germany
| | - Siew-May Loh
- Vector & Waterborne Pathogens Research Group, School of Veterinary & Life Sciences, Murdoch University, South St, Murdoch, Australia
| | - Charlotte Oskam
- Vector & Waterborne Pathogens Research Group, School of Veterinary & Life Sciences, Murdoch University, South St, Murdoch, Australia
| | - Volker Fingerle
- Bavarian Health and Food Safety Authority and National Reference Center for Borrelia, Oberschleissheim, Germany
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