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Mackenzie LS, Lambin X, Bryce E, Davies CL, Hassall R, Shati AAM, Sutherland C, Telfer SE. Patterns and drivers of vector-borne microparasites in a classic metapopulation. Parasitology 2023; 150:866-882. [PMID: 37519240 PMCID: PMC10577662 DOI: 10.1017/s0031182023000677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 07/07/2023] [Accepted: 07/07/2023] [Indexed: 08/01/2023]
Abstract
Many organisms live in fragmented populations, which has profound consequences on the dynamics of associated parasites. Metapopulation theory offers a canonical framework for predicting the effects of fragmentation on spatiotemporal host–parasite dynamics. However, empirical studies of parasites in classical metapopulations remain rare, particularly for vector-borne parasites. Here, we quantify spatiotemporal patterns and possible drivers of infection probability for several ectoparasites (fleas, Ixodes trianguliceps and Ixodes ricinus) and vector-borne microparasites (Babesia microti, Bartonella spp., Hepatozoon spp.) in a classically functioning metapopulation of water vole hosts. Results suggest that the relative importance of vector or host dynamics on microparasite infection probabilities is related to parasite life-histories. Bartonella, a microparasite with a fast life-history, was positively associated with both host and vector abundances at several spatial and temporal scales. In contrast, B. microti, a tick-borne parasite with a slow life-history, was only associated with vector dynamics. Further, we provide evidence that life-history shaped parasite dynamics, including occupancy and colonization rates, in the metapopulation. Lastly, our findings were consistent with the hypothesis that landscape connectivity was determined by distance-based dispersal of the focal hosts. We provide essential empirical evidence that contributes to the development of a comprehensive theory of metapopulation processes of vector-borne parasites.
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Affiliation(s)
| | - Xavier Lambin
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Emma Bryce
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Claire L. Davies
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Richard Hassall
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Ali A. M. Shati
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Chris Sutherland
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Sandra E. Telfer
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
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Han HJ, Li ZM, Li X, Liu JX, Peng QM, Wang R, Gu XL, Jiang Y, Zhou CM, Li D, Xiao X, Yu XJ. Bats and their ectoparasites (Nycteribiidae and Spinturnicidae) carry diverse novel Bartonella genotypes, China. Transbound Emerg Dis 2021; 69:e845-e858. [PMID: 34695291 PMCID: PMC9543326 DOI: 10.1111/tbed.14357] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 10/15/2021] [Accepted: 10/17/2021] [Indexed: 11/28/2022]
Abstract
Bartonella species are facultative intracellular bacteria and recognized worldwide as emerging zoonotic pathogens. Bartonella were isolated or identified by polymerase chain reaction (PCR) in bats and their ectoparasites worldwide, whereas the association between them was scarce, especially in Asia. In this study, a retrospective analysis with frozen samples was carried out to identify the genetic diversity of Bartonella in bats and their ectoparasites and to investigate the relationships of Bartonella carried by bats and their ectoparasites. Bats and their ectoparasites (bat flies and bat mites) were collected from caves in Hubei Province, Central China, from May 2018 to July 2020. Bartonella were screened by PCR amplification and sequencing of three genes (gltA, rpoB, and ftsZ). Bats, bat flies, and bat mites carried diverse novel Bartonella genotypes with a high prevalence. The sharing of some Bartonella genotypes between bats and bat flies or bat mites indicated a potential role of bat flies and bat mites as vectors of bartonellae, while the higher genetic diversity of Bartonella in bat flies than that in bats might be due to the vertical transmission of this bacterium in bat flies. Therefore, bat flies might also act as reservoirs of Bartonella. In addition, human‐pathogenic B. mayotimonesis was identified in both bats and their ectoparasites, which expanded our knowledge on the geographic distribution of this bacterium and suggested a potential bat origin with bat flies and bat mites playing important roles in the maintenance and transmission of Bartonella.
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Affiliation(s)
- Hui-Ju Han
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, China
| | - Ze-Min Li
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, China
| | - Xia Li
- Microbiological Laboratory, Yantai Center for Disease Control and Prevention, Yantai, China
| | - Jian-Xiao Liu
- Clinical Laboratory, Xingtai Third Hospital, Xingtai, China
| | - Qiu-Ming Peng
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, China
| | - Rui Wang
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, China
| | - Xiao-Lan Gu
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, China
| | - Yuan Jiang
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, China
| | - Chuan-Min Zhou
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, China
| | - Dan Li
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, China
| | - Xiao Xiao
- Institute of Epidemiology Research, Hubei University of Chinese Medicine, Wuhan, China
| | - Xue-Jie Yu
- State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan, China
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Hedgehogs and Squirrels as Hosts of Zoonotic Bartonella Species. Pathogens 2021; 10:pathogens10060686. [PMID: 34205901 PMCID: PMC8229113 DOI: 10.3390/pathogens10060686] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 05/28/2021] [Accepted: 05/29/2021] [Indexed: 12/12/2022] Open
Abstract
Free-living animals frequently play a key role in the circulation of various zoonotic vector-borne pathogens. Bacteria of the genus Bartonella are transmitted by blood-feeding arthropods and infect a large range of mammals. Although only several species have been identified as causative agents of human disease, it has been proposed that any Bartonella species found in animals may be capable of infecting humans. Within a wide-ranging survey in various geographical regions of the Czech Republic, cadavers of accidentally killed synurbic mammalian species, namely Eurasian red squirrel (Sciurus vulgaris), European hedgehog (Erinaceus europaeus) and Northern white-breasted hedgehog (Erinaceus roumanicus), were sampled and tested for Bartonella presence using multiple PCR reaction approach targeting several DNA loci. We demonstrate that cadavers constitute an available and highly useful source of biological material for pathogen screening. High infection rates of Bartonella spp., ranging from 24% to 76%, were confirmed for all three tested mammalian species, and spleen, ear, lung and liver tissues were demonstrated as the most suitable for Bartonella DNA detection. The wide spectrum of Bartonella spp. that were identified includes three species with previously validated zoonotic potential, B. grahamii, B. melophagi and B. washoensis, accompanied by ‘Candidatus B. rudakovii’ and two putative novel species, Bartonella sp. ERIN and Bartonella sp. SCIER.
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Gonçalves LR, Harrus S, Gutiérrez R, Herrera HM, de Souza Ramos IA, Porfírio GEDO, Nachum-Biala Y, de Sousa KCM, da Silva TMV, Campos JBV, Lemos W, Moraes Barros-Battesti D, Machado RZ, André MR. Molecular detection and genetic diversity of Bartonella species in large ruminants and associated ectoparasites from the Brazilian Cerrado. Transbound Emerg Dis 2020; 67:1888-1897. [PMID: 32068964 DOI: 10.1111/tbed.13517] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 02/12/2020] [Accepted: 02/13/2020] [Indexed: 11/28/2022]
Abstract
Currently, five Bartonella species and an expanding number of Candidatus Bartonella species have globally been reported in ruminants. Likewise, different Bartonella genotypes were identified. However, studies relating to ruminant-associated Bartonella in Brazil are scarce. The current study aimed to assess the prevalence and genetic diversity of Bartonella in cattle, buffaloes and associated ectoparasites in Brazil. For this purpose, EDTA-blood samples from 75 cattle and 101 buffaloes were sampled. Additionally, 128 Rhipicephalus microplus and one Amblyomma sculptum ticks collected from cattle, and 197 R. microplus, one A. sculptum and 170 lice (Haematopinus tuberculatus) collected from buffaloes were included. Bartonella DNA was initially screened through an HRM real-time PCR assay targeting the 16S-23S internal transcribed spacer (ITS), and the positive samples were submitted to an additional HRM assay targeting the ssrA gene. The HRM-positive amplicons were sequenced, and the nucleotide identity was assessed by BLASTn. Bartonella spp.-positive DNA samples were analysed by conventional PCR assays targeting the gltA and rpoB genes, and then, the samples were cloned. Finally, the phylogenetic positioning and the genetic diversity of clones were assessed. Overall, 21 of 75 (28%) cattle blood samples and 13 of 126 (10.3%) associated ticks were positive for Bartonella bovis. Out of 101 buffaloes, 95 lice and 188 tick DNA samples, one (1%) buffalo and four (4.2%) lice were positive for Bartonella spp. Conversely, none of the ticks obtained from buffaloes were positive for Bartonella. The Bartonella sequences from buffaloes showed identity ranging from 100% (ITS and gltA) to 94% (ssrA) with B. bovis. In contrast, the Bartonella DNA sequences from lice were identical (100%) to uncultured Bartonella sp. detected in cattle tail louse (Haematopinus quadripertusus) from Israel in all amplified genes. The present study demonstrates the prevalence of new B. bovis genotypes and a cattle lice-associated Bartonella species in large ruminants and their ectoparasites from Brazil. These findings shed light on the distribution and genetic diversity of ruminant- and ectoparasite-related Bartonella in Brazil.
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Affiliation(s)
- Luiz Ricardo Gonçalves
- Graduate Program of Agricultural and Livestock Microbiology, Faculty of Agrarian and Veterinary Sciences (FCAV/UNESP), Jaboticabal, Brazil
- Department of Veterinary Pathology, Faculty of Agrarian and Veterinary Sciences (FCAV/UNESP), Jaboticabal, Brazil
| | - Shimon Harrus
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Ricardo Gutiérrez
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | | | | | | | - Yaarit Nachum-Biala
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Keyla Carstens Marques de Sousa
- Koret School of Veterinary Medicine, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | | | | | - Wagner Lemos
- Department of Veterinary Pathology, Faculty of Agrarian and Veterinary Sciences (FCAV/UNESP), Jaboticabal, Brazil
| | - Darci Moraes Barros-Battesti
- Department of Veterinary Pathology, Faculty of Agrarian and Veterinary Sciences (FCAV/UNESP), Jaboticabal, Brazil
| | - Rosangela Zacarias Machado
- Department of Veterinary Pathology, Faculty of Agrarian and Veterinary Sciences (FCAV/UNESP), Jaboticabal, Brazil
| | - Marcos Rogério André
- Department of Veterinary Pathology, Faculty of Agrarian and Veterinary Sciences (FCAV/UNESP), Jaboticabal, Brazil
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Müller A, Sepúlveda P, Di Cataldo S, Cevidanes A, Lisón F, Millán J. Molecular investigation of zoonotic intracellular bacteria in Chilean bats. Comp Immunol Microbiol Infect Dis 2020; 73:101541. [PMID: 32911380 DOI: 10.1016/j.cimid.2020.101541] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 08/23/2020] [Accepted: 08/28/2020] [Indexed: 01/06/2023]
Abstract
Intracellular pathogens were investigated for the first time in 55 Chilean bats belonging to six species. Using a conventional PCR protocol targeting a fragment of the ITS region, 21 bats (38 %) were positive for DNA of Bartonella sp. Molecular characterization of fragments of the gltA, rpoB and fstZ genes and subsequent phylogenetic analysis indicated the presence of diverse genotypes related to Bartonella from bats worldwide. DNA from C. burnetii was investigated using a real-time PCR (qPCR) protocol targeting the IS1111 gene and yielded positive results for 5 individuals (9%), being the first report of C. burnetii in wildlife in Chile. All bats were negative for Rickettsia sp., evaluated by qPCR for the gltA gene, confirming that bats do not act as important reservoirs for Rickettsia. This preliminary survey calls for more comprehensive studies on the epidemiology of these agents, including larger sample sizes, the evaluation of potential transmission routes and spillover potential.
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Affiliation(s)
- Ananda Müller
- Department of Biomedical Sciences, Ross University School of Veterinary Medicine, Saint Kitts and Nevis, West Indies, Cote d'Ivoire; Instituto de Ciencias Clínicas Veterinarias, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Paulina Sepúlveda
- Instituto de Ciencias Clínicas Veterinarias, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Sophia Di Cataldo
- PhD Program in Conservation Medicine, Facultad de Ciencias de la Vida, Universidad Andres Bello, República 252, Santiago, Chile
| | - Aitor Cevidanes
- PhD Program in Conservation Medicine, Facultad de Ciencias de la Vida, Universidad Andres Bello, República 252, Santiago, Chile
| | - Fulgencio Lisón
- Laboratorio de Ecología del Paisaje y Conservación, Departamento de Ciencias Forestales y Medioambiente, Universidad de La Frontera, P.D. Box 45-D, Temuco, Chile; Wildlife Ecology and Conservation Lab, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Casilla 160-C, Concepción, Chile
| | - Javier Millán
- Facultad de Ciencias de la Vida, Universidad Andres Bello, República 252, Santiago, Chile; Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Miguel Servet 177, 50013, Zaragoza, Spain; Fundación ARAID, Avda. de Ranillas, 50018, Zaragoza, Spain.
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Dahmana H, Medkour H, Anani H, Granjon L, Diatta G, Fenollar F, Mediannikov O. Non-contiguous finished genome sequence and description of Bartonella saheliensis sp. nov. from the blood of Gerbilliscus gambianus from Senegal. New Microbes New Infect 2020; 35:100667. [PMID: 32300480 PMCID: PMC7152674 DOI: 10.1016/j.nmni.2020.100667] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 03/06/2020] [Indexed: 11/20/2022] Open
Abstract
Bartonella saheliensis strain 077 (= CSUR B644T; = DSM 28003T) is a new bacterial species isolated from blood of the rodent Gerbilliscus gambianus captured in the Sine-Saloum region of Senegal. In this work we describe the characteristics of this microorganism, as well as the complete sequence of the genome and its annotation. Its genome has 2 327 299 bp (G+C content 38.4%) and codes for 2015 proteins and 53 RNA genes.
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Affiliation(s)
- H. Dahmana
- Aix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
| | - H. Medkour
- Aix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
| | - H. Anani
- IHU-Méditerranée Infection, Marseille, France
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France
| | - L. Granjon
- CBGP, IRD, CIRAD, INRA, Montpellier SupAgro, Univ Montpellier, Montpellier, France
| | - G. Diatta
- Campus Commun UCAD-IRD of Hann, Dakar, Senegal
| | - F. Fenollar
- IHU-Méditerranée Infection, Marseille, France
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France
| | - O. Mediannikov
- Aix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
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Chochlakis D, Cutler S, Giadinis N, Psaroulaki A. Bartonella vinsonii subsp. arupensis infection in animals of veterinary importance, ticks and biopsy samples. New Microbes New Infect 2020; 34:100652. [PMID: 32071727 PMCID: PMC7013009 DOI: 10.1016/j.nmni.2020.100652] [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] [Indexed: 11/23/2022] Open
Abstract
Testing for vector-borne pathogens in livestock is largely reliant upon blood and tissue. The role of biopsy samples remains poorly explored for detecting tick-borne bacteria in animals. In a 2-year survey, animals of veterinary importance from farms throughout the northern part of Greece were routinely checked for the presence of biopsy samples. Where detected, either a portion or a biopsy was collected together with whole blood samples and any ticks at the site of the biopsy sample. Molecular testing was carried out by real-time PCR targeting the internal transcribed spacer gene of Bartonella species. A total of 68 samples (28 blood samples, 28 biopsy samples and 12 ticks (nine Rhipicephalus bursa and three Rhipicephalus turanicus)) were collected from goats (64 samples) and cattle (four samples). Eight (11.8%) of the 68 samples were positive for Bartonella species. Of the biopsy and whole blood samples, four (14.3%) of each type were positive for Bartonella species. None of the ticks tested positive for Bartonella species. All pairs of positive biopsy samples/whole blood samples originated from the same animals. Positive samples were identified as Bartonella vinsonii subsp. arupensis. Although many more samples from a much wider spectrum of animal species is required before concluding upon the merit of biopsy samples in the study of tick-borne diseases, the significance of our finding warrants further study, both for clinical consequences in small ruminants and for those humans who are farming infected animals.
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Affiliation(s)
- D. Chochlakis
- Department of Clinical Microbiology and Microbial Pathogenesis, School of Medicine, University of Crete, Voutes – Staurakia, 71110, Heraklion, Crete, Greece
| | - S. Cutler
- School of Health, Sports & Bioscience, University of East London, London, UK
| | - N.D. Giadinis
- Clinic of Farm Animals, Faculty of Veterinary Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Greece
| | - A. Psaroulaki
- Department of Clinical Microbiology and Microbial Pathogenesis, School of Medicine, University of Crete, Voutes – Staurakia, 71110, Heraklion, Crete, Greece
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Kosoy M, Bai Y. Bartonella Bacteria in Urban Rats: A Movement From the Jungles of Southeast Asia to Metropoles Around the Globe. Front Ecol Evol 2019. [DOI: 10.3389/fevo.2019.00088] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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Galfsky D, Król N, Pfeffer M, Obiegala A. Long-term trends of tick-borne pathogens in regard to small mammal and tick populations from Saxony, Germany. Parasit Vectors 2019; 12:131. [PMID: 30909955 PMCID: PMC6434846 DOI: 10.1186/s13071-019-3382-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 03/07/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Rodents are important in the life-cycle of ticks as hosts for immature developmental stages. Both rodents and ticks are of public health interest as they are reservoirs and vectors for different tick-borne pathogens (TBP). The aim of this study was to reassess the prevalence of TBP in previously studied areas of the city of Leipzig (Saxony, Germany). METHODS In the years 2015-2017 rodents and ticks were collected in parks and forest areas in Saxony. DNA was extracted from the rodents, attached and questing ticks. Samples were screened for the presence of Anaplasma phagocytophilum, Babesia spp., Borrelia burgdorferi (s.l.), "Candidatus Neoehrlichia mikurensis" (CNM), Bartonella spp., Hepatozoon spp. and Rickettsia spp. using PCR methods. Rodent, attached nymph and questing tick (nymph and adult) samples were tested individually, while attached larvae were further processed in pools. RESULTS A total of 165 rodents (Apodemus agrarius, n = 1; A. flavicollis, n = 59; Arvicola terrestris, n = 1; Myodes glareolus, n = 104), 1256 attached ticks (Ixodes ricinus, n = 1164; Dermacentor reticulatus, n = 92) and 577 questing ticks (I. ricinus, n = 547; D. reticulatus, n = 30) were collected. The prevalence levels in rodents were 78.2% for Bartonella spp., 58.2% for CNM, 49.1% for B. burgdorferi (s.l.) 29.1% for Rickettsia spp. and 24.2% for Hepatozoon spp. The minimal infection rates (MIR) in attached larvae ticks were 39.8% for Rickettsia spp., 32.7% for Bartonella spp., 7.1% for CNM and 8.8% for B. burgdorferi (s.l.) and the prevalence rates in attached nymphs were 33.7% for Bartonella spp., 52.9% for Rickettsia spp., 13.5% for CNM and 11.3% for B. burgdorferi (s.l.) Both rodents and attached ticks were negative for Babesia spp. The prevalence in questing ticks was 18.2% for Rickettsia spp., 7.3% for CNM, 6.4% for B. burgdorferi (s.l.) and 1.4% for Babesia spp. All tested samples were Anaplasma-negative. Sequencing revealed the occurrence of 14 identified species. CONCLUSIONS This research is the first evaluation of the prevalence for Hepatozoon spp. in rodents from Germany. In comparison to earlier studies, detected pathogens species remained the same; however, the prevalence for particular pathogens differed.
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Affiliation(s)
- Daniel Galfsky
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, An den Tierkliniken 1, 04103 Leipzig, Germany
| | - Nina Król
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, An den Tierkliniken 1, 04103 Leipzig, Germany
| | - Martin Pfeffer
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, An den Tierkliniken 1, 04103 Leipzig, Germany
| | - Anna Obiegala
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, An den Tierkliniken 1, 04103 Leipzig, Germany
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Kosoy M, Goodrich I. Comparative Ecology of Bartonella and Brucella Infections in Wild Carnivores. Front Vet Sci 2019; 5:322. [PMID: 30662899 PMCID: PMC6328487 DOI: 10.3389/fvets.2018.00322] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 12/03/2018] [Indexed: 01/15/2023] Open
Abstract
Phylogenetic sister clades Bartonella and Brucella within the order Rhizobiales present some common biological characteristics as well as evident differences in adaptations to their mammalian reservoirs. We reviewed published data on Bartonella and Brucella infections in wild carnivores to compare the ecology of these bacteria in relatively similar host environments. Arthropod vectors are the main mechanism for Bartonella species transmission between mammalian hosts. The role of arthropods in transmission of Brucella remains disputed, however experimental studies and reported detection of Brucella in arthropods indicate potential vector transmission. More commonly, transmission of Brucella occurs via contact exposure to infected animals or the environment contaminated with their discharges. Of 26 species of carnivores tested for both Bartonella and Brucella, 58% harbored either. Among them were bobcats, African lions, golden jackals, coyotes, wolves, foxes, striped skunks, sea otters, raccoons, and harbor seals. The most common species of Bartonella in wild carnivores was B. henselae, found in 23 species, followed by B. rochalimae in 12, B. clarridgeiae in ten, and B. vinsonii subsp. berkhoffii in seven. Among Brucella species, Br. abortus was reported in over 30 terrestrial carnivore species, followed by Br. canis in seven. Marine carnivores, such as seals and sea lions, can host Br. pinnipedialis. In contrast, there is no evidence of a Bartonella strain specific for marine mammals. Bartonella species are present practically in every sampled species of wild felids, but of 14 Brucella studies of felids, only five reported Brucella and those were limited to detection of antibodies. We found no reports of Bartonella in bears while Brucella was detected in these animals. There is evident host-specificity of Bartonella species in wild carnivores (e.g., B. henselae in felids and B. vinsonii subsp. berkhoffii in canids). A co-adaptation of Brucella with terrestrial wild carnivore hosts is not as straightforward as in domestic animals. Wild carnivores often carry the same pathogens as their domesticated relatives (cats and dogs), but the risk of exposure varies widely because of differences in biology, distribution, and historical interactions.
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Affiliation(s)
- Michael Kosoy
- Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Irina Goodrich
- Centers for Disease Control and Prevention, Fort Collins, CO, United States
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Deng H, Pang Q, Zhao B, Vayssier-Taussat M. Molecular Mechanisms of Bartonella and Mammalian Erythrocyte Interactions: A Review. Front Cell Infect Microbiol 2018; 8:431. [PMID: 30619777 PMCID: PMC6299047 DOI: 10.3389/fcimb.2018.00431] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 11/30/2018] [Indexed: 12/18/2022] Open
Abstract
Bartonellosis is an infectious disease caused by Bartonella species that are distributed worldwide with animal and public health impact varying according to Bartonella species, infection phase, immunological characteristics, and geographical region. Bartonella is widely present in various mammals including cats, rodents, ruminants, and humans. At least 13 Bartonella species or subspecies are zoonotic. Each species has few reservoir animals in which it is often asymptomatic. Bartonella infection may lead to various clinical symptoms in humans. As described in the B.tribocorum-rat model, when Bartonella was seeded into the blood stream, they could escape immunity, adhered to and invaded host erythrocytes. They then replicated and persisted in the infected erythrocytes for several weeks. This review summarizes the current knowledge of how Bartonella prevent phagocytosis and complement activation, what pathogenesis factors are involved in erythrocyte adhesion and invasion, and how Bartonella could replicate and persist in mammalian erythrocytes. Current advances in research will help us to decipher molecular mechanisms of interactions between Bartonella and mammalian erythrocytes and may help in the development of biological strategies for the prevention and control of bartonellosis.
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Affiliation(s)
- Hongkuan Deng
- School of Life Sciences, Shandong University of Technology, Zibo, China
| | - Qiuxiang Pang
- School of Life Sciences, Shandong University of Technology, Zibo, China
| | - Bosheng Zhao
- School of Life Sciences, Shandong University of Technology, Zibo, China
| | - Muriel Vayssier-Taussat
- UMR BIPAR, INRA, ANSES, École Nationale Vétérinaire d'Alfort, Université Paris-Est Créteil Val-de-Marne, Maisons-Alfort, France
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Gutiérrez R, Cohen C, Flatau R, Marcos-Hadad E, Garrido M, Halle S, Nachum-Biala Y, Covo S, Hawlena H, Harrus S. Untangling the knots: Co-infection and diversity ofBartonellafrom wild gerbils and their associated fleas. Mol Ecol 2018; 27:4787-4807. [DOI: 10.1111/mec.14906] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 08/31/2018] [Accepted: 10/02/2018] [Indexed: 01/17/2023]
Affiliation(s)
- Ricardo Gutiérrez
- Koret School of Veterinary Medicine; The Hebrew University of Jerusalem; Rehovot Israel
| | - Carmit Cohen
- Mitrani Department of Desert Ecology; Jacob Blaustein Institutes for Desert Research; Ben-Gurion University of the Negev; Midreshet Ben-Gurion Israel
| | - Ron Flatau
- Mitrani Department of Desert Ecology; Jacob Blaustein Institutes for Desert Research; Ben-Gurion University of the Negev; Midreshet Ben-Gurion Israel
| | - Evgeniya Marcos-Hadad
- Department of Plant Pathology and Microbiology; Robert H. Smith Faculty of Agriculture; The Hebrew University of Jerusalem; Rehovot Israel
| | - Mario Garrido
- Mitrani Department of Desert Ecology; Jacob Blaustein Institutes for Desert Research; Ben-Gurion University of the Negev; Midreshet Ben-Gurion Israel
| | - Snir Halle
- Mitrani Department of Desert Ecology; Jacob Blaustein Institutes for Desert Research; Ben-Gurion University of the Negev; Midreshet Ben-Gurion Israel
| | - Yaarit Nachum-Biala
- Koret School of Veterinary Medicine; The Hebrew University of Jerusalem; Rehovot Israel
| | - Shay Covo
- Department of Plant Pathology and Microbiology; Robert H. Smith Faculty of Agriculture; The Hebrew University of Jerusalem; Rehovot Israel
| | - Hadas Hawlena
- Mitrani Department of Desert Ecology; Jacob Blaustein Institutes for Desert Research; Ben-Gurion University of the Negev; Midreshet Ben-Gurion Israel
| | - Shimon Harrus
- Koret School of Veterinary Medicine; The Hebrew University of Jerusalem; Rehovot Israel
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Tołkacz K, Alsarraf M, Kowalec M, Dwużnik D, Grzybek M, Behnke JM, Bajer A. Bartonella infections in three species of Microtus: prevalence and genetic diversity, vertical transmission and the effect of concurrent Babesia microti infection on its success. Parasit Vectors 2018; 11:491. [PMID: 30165879 PMCID: PMC6117881 DOI: 10.1186/s13071-018-3047-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 08/01/2018] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Bartonella spp. cause persistent bacterial infections in mammals. Although these bacteria are transmitted by blood-feeding arthropods, there is also evidence for vertical transmission in their mammalian hosts. We aimed to determine: (i) the prevalence and diversity of Bartonella spp. in a Microtus spp. community; (ii) whether vertical transmission occurs from infected female voles to their offspring; (iii) the effect of concurrent Babesia microti infection on the success of vertical transmission of Bartonella; and (iv) the impact of congenital infection on pup survival. RESULTS We sampled 124 Microtus arvalis, 76 Microtus oeconomus and 17 Microtus agrestis. In total, 115 embryos were isolated from 21 pregnant females. In the following year 11 pregnant females were kept until they had given birth and weaned their pups (n = 62). Blood smears and PCR targeting the Bartonella-specific rpoB gene fragment (333bp) were used for the detection of Bartonella. Bartonella DNA was detected in 66.8% (145/217) of the wild-caught voles. Bartonella infection was detected in 81.8% (36/44) of pregnant female voles. Bartonella-positive individuals were identified among the embryos (47.1%; 40/85) and in 54.8% (34/62) of pups. Congenitally acquired Bartonella infections and co-infection with B. microti had no impact on the survival of pups over a 3-week period post partum. Among 113 Bartonella sequences, four species were detected: Bartonella taylorii, Bartonella grahamii, Bartonella doshiae and a Bartonella rochalimae-like genotype. Bartonella taylorii clade B was the dominant species in wild-caught voles (49%), pregnant females (47%), their embryos (85%), dams (75%) and pups (95%). CONCLUSIONS High prevalence of Bartonella spp. infection maintained in Microtus spp. community is followed by a high rate of vertical transmission of several rodent species of Bartonella in three species of naturally infected voles, M. arvalis, M. oeconomus and M. agrestis. Congenitally acquired Bartonella infection does not affect the survival of pups. Co-infection with B. microti does not affect the effectiveness of the vertical transmission of Bartonella in voles. Bartonella taylorii clade B was found to be the dominant species in wild-caught voles, including pregnant females and dams, and in their offspring, and was also found to be the most successful in vertical transmission.
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Affiliation(s)
- Katarzyna Tołkacz
- Department of Parasitology, Institute of Zoology, Faculty of Biology, University of Warsaw, 1 Miecznikowa Street, 02-096, Warsaw, Poland
| | - Mohammed Alsarraf
- Department of Parasitology, Institute of Zoology, Faculty of Biology, University of Warsaw, 1 Miecznikowa Street, 02-096, Warsaw, Poland
| | - Maciej Kowalec
- Department of Parasitology, Institute of Zoology, Faculty of Biology, University of Warsaw, 1 Miecznikowa Street, 02-096, Warsaw, Poland
| | - Dorota Dwużnik
- Department of Parasitology, Institute of Zoology, Faculty of Biology, University of Warsaw, 1 Miecznikowa Street, 02-096, Warsaw, Poland
| | - Maciej Grzybek
- Department of Tropical Parasitology, Institute of Maritime and Tropical Medicine in Gdynia, Medical University of Gdansk, Powstania Styczniowego 9, 81-512, Gdynia, Poland
| | - Jerzy M Behnke
- School of Life Sciences, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
| | - Anna Bajer
- Department of Parasitology, Institute of Zoology, Faculty of Biology, University of Warsaw, 1 Miecznikowa Street, 02-096, Warsaw, Poland.
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Molecular detection of Bartonella species and haemoplasmas in wild African buffalo (Syncerus caffer) in Mozambique, Africa. ACTA ACUST UNITED AC 2018. [DOI: 10.1017/pao.2018.10] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
AbstractThe African buffalo (Syncerus caffer), a mammal species whose population is declining, can play a role as a reservoir or carrier of a wide number of arthropod-borne pathogens. Translocation procedures have been used as an alternative approach for species conservation. However, the veterinary aspects of this sort of procedures are extremely important to minimize the impact on animal health. In order to detectBartonellaand haemoplasmas, two important group of bacterial that have an impact in both human and animal health, EDTA whole-blood samples were screened for the presence of these bacterial pathogens by molecular techniques. As a result, a molecular occurrence of 4.1 and 15.4% forBartonellaspp. and haemoplasmas, respectively, was reported among 97 wild buffaloes sampled during a translocation procedure from Marromeu to Gorongosa Reserve, Mozambique. Additionally, phylogenetic analyses of the obtained sequences were conducted. At least, three bovine-associated pathogens, namelyB. bovis,M. wenyoniiand ‘CandidatusM. haemobos’, as well as a probably newBartonellagenotype/species were detected inS. caffer.Further studies are needed in order to determine whether these bacterial species may cause impact in buffaloes and other sympatric ruminant species living in the release site.
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Alsarraf M, Mohallal EME, Mierzejewska EJ, Behnke-Borowczyk J, Welc-Falęciak R, Bednarska M, Dziewit L, Zalat S, Gilbert F, Behnke JM, Bajer A. Description of Candidatus Bartonella fadhilae n. sp. and Candidatus Bartonella sanaae n. sp. (Bartonellaceae) from Dipodillus dasyurus and Sekeetamys calurus (Gerbillinae) from the Sinai Massif (Egypt). Vector Borne Zoonotic Dis 2017; 17:483-494. [PMID: 28541836 PMCID: PMC5512320 DOI: 10.1089/vbz.2016.2093] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Bartonella spp. are parasites of mammalian erythrocytes and endothelial cells, transmitted by blood-feeding arthropod ectoparasites. Different species of rodents may constitute the main hosts of Bartonella, including several zoonotic species of Bartonella. The aim of this study was to identify and compare Bartonella species and genotypes isolated from rodent hosts from the South Sinai, Egypt. Prevalence of Bartonella infection was assessed in rodents (837 Acomys dimidiatus, 73 Acomys russatus, 111 Dipodillus dasyurus, and 65 Sekeetamys calurus) trapped in 2000, 2004, 2008, and 2012 in four dry montane wadis around St. Katherine town in the Sinai Mountains. Total DNA was extracted from blood samples, and PCR amplification and sequencing of the Bartonella-specific 860-bp gene fragment of rpoB and the 810-bp gene fragment of gltA were used for molecular and phylogenetic analyses. The overall prevalence of Bartonella in rodents was 7.2%. Prevalence differed between host species, being 30.6%, 10.8%, 9.6%, and 3.6% in D. dasyurus, S. calurus, A. russatus, and A. dimidiatus, respectively. The phylogenetic analyses of six samples of Bartonella (five from D. dasyurus and one from S. calurus) based on a fragment of the rpoB gene, revealed the existence of two distinct genetic groups (with 95–96% reciprocal sequence identity), clustering with several unidentified isolates obtained earlier from the same rodent species, and distant from species that have already been described (90–92% of sequence identity to the closest match from the GenBank reference database). Thus, molecular and phylogenetic analyses led to the description of two species: Candidatus Bartonella fadhilae n. sp. and Candidatus Bartonella sanaae n. sp. The identification of their vectors and the medical significance of these species need further investigation.
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Affiliation(s)
- Mohammed Alsarraf
- 1 Department of Parasitology, Faculty of Biology, Institute of Zoology, University of Warsaw , Warsaw, Poland
| | | | - Ewa J Mierzejewska
- 1 Department of Parasitology, Faculty of Biology, Institute of Zoology, University of Warsaw , Warsaw, Poland
| | - Jolanta Behnke-Borowczyk
- 3 Department of Forest Phytopathology, Faculty of Forestry, Poznań University of Life Sciences , Poznań, Poland
| | - Renata Welc-Falęciak
- 1 Department of Parasitology, Faculty of Biology, Institute of Zoology, University of Warsaw , Warsaw, Poland
| | - Małgorzata Bednarska
- 1 Department of Parasitology, Faculty of Biology, Institute of Zoology, University of Warsaw , Warsaw, Poland
| | - Lukasz Dziewit
- 4 Department of Bacterial Genetics, Faculty of Biology, Institute of Microbiology, University of Warsaw , Warsaw, Poland
| | - Samy Zalat
- 5 Department of Zoology, Suez Canal University , Ismailia, Egypt
| | - Francis Gilbert
- 6 School of Life Sciences, Faculty of Medicine and Health Sciences, University of Nottingham , Nottingham, United Kingdom
| | - Jerzy M Behnke
- 6 School of Life Sciences, Faculty of Medicine and Health Sciences, University of Nottingham , Nottingham, United Kingdom
| | - Anna Bajer
- 1 Department of Parasitology, Faculty of Biology, Institute of Zoology, University of Warsaw , Warsaw, Poland
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Cevidanes A, Altet L, Chirife AD, Proboste T, Millán J. Drivers of Bartonella infection in micromammals and their fleas in a Mediterranean peri-urban area. Vet Microbiol 2017; 203:181-188. [PMID: 28619142 DOI: 10.1016/j.vetmic.2017.03.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 03/10/2017] [Accepted: 03/13/2017] [Indexed: 01/14/2023]
Abstract
People living at the human/wildlife interface are at risk of becoming infected with Bartonella for which micromammals act as reservoir. We aimed to determine the factors related to the prevalence of Bartonella and its haplotype diversity in micromammals and in their fleas in a Mediterranean peri-urban environment. We analyzed 511 micromammals, chiefly 407 wood mice (Apodemus sylvaticus), captured into Barcelona metropolitan area (Spain) in spring and autumn from 2011 to 2013 in two natural and two adjacent residential areas, their fleas (grouped in 218 monospecific pools) and 29 fetuses from six Bartonella-positive female wood mice. Amplification of a fragment of ITS was carried out by real time PCR. Prevalence was 49% (57% in the dominant species, the wood mouse), and 12 haplotypes were detected. In general, prevalence was higher in those hosts more heavily infested by fleas, coincident with higher rates of capture, in autumn than in spring, and in adults than in juveniles. Prevalence did not differ between natural and residential areas except for one prevalent haplotype, which was more frequent in natural areas. Prevalence in flea pools (58%) was only explained by Bartonella occurrence in the pool host. In 56.4% of the flea pools with identified Bartonella haplotypes, we found the same haplotype in the host and in its flea pool. Prevalence in wood mouse fetuses was 69%, with at least one infected fetus in all litters, and two litters with all the fetuses infected. indicating that vertical transmission might be important in Bartonella epidemiology in the wood mouse. There is a hazard of Bartonella infection for people living in residential areas and those visiting peri-urban natural areas in Barcelona.
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Affiliation(s)
- Aitor Cevidanes
- PhD Program in Conservation Medicine, Facultad de Ecología y Recursos Naturales, Universidad Andres Bello, República 252, Santiago, Chile.
| | - Laura Altet
- Vetgenomics, Edificio Eureka, Research Facilities, Universitat Autònoma de Barcelona, Bellaterra, 08193, Spain
| | - Andrea D Chirife
- Facultad de Ecología y Recursos Naturales, Universidad Andres Bello, República 252, Santiago, Chile
| | - Tatiana Proboste
- School of Veterinary Science, University of Queensland, Gatton, Queensland, Australia
| | - Javier Millán
- Facultad de Ecología y Recursos Naturales, Universidad Andres Bello, República 252, Santiago, Chile.
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Han HJ, Wen HL, Zhao L, Liu JW, Luo LM, Zhou CM, Qin XR, Zhu YL, Zheng XX, Yu XJ. Novel Bartonella Species in Insectivorous Bats, Northern China. PLoS One 2017; 12:e0167915. [PMID: 28081122 PMCID: PMC5231389 DOI: 10.1371/journal.pone.0167915] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 11/22/2016] [Indexed: 12/14/2022] Open
Abstract
Bartonella species are emerging human pathogens. Bats are known to carry diverse Bartonella species, some of which are capable of infecting humans. However, as the second largest mammalian group by a number of species, the role of bats as the reservoirs of Bartonella species is not fully explored, in term of their species diversity and worldwide distribution. China, especially Northern China, harbors a number of endemic insectivorous bat species; however, to our knowledge, there are not yet studies about Bartonella in bats in China. The aim of the study was to investigate the prevalence and genetic diversity of Bartonella species in bats in Northern China. Bartonella species were detected by PCR amplification of gltA gene in 25.2% (27/107) bats in Mengyin County, Shandong Province of China, including 1/3 Rhinolophus ferrumequinum, 2/10 Rhinolophus pusillus, 9/16 Myotis fimbriatus, 1/5 Myotis ricketti, 14/58 Myotis pequinius. Phylogenetic analysis showed that Bartonella species detected in bats in this study clustered into ten groups, and some might be novel Bartonella species. An association between Bartonella species and bat species was demonstrated and co-infection with different Bartonella species in a single bat was also observed. Our findings expanded our knowledge on the genetic diversity of Bartonella in bats, and shed light on the ecology of bat-borne Bartonella species.
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Affiliation(s)
- Hui-Ju Han
- Department of Epidemiology, School of Public Health, Shandong University, Jinan, Shandong, China
| | - Hong-ling Wen
- Department of Microbiology, School of Public Health, Shandong University, Jinan, Shandong, China
| | - Li Zhao
- Department of Microbiology, School of Public Health, Shandong University, Jinan, Shandong, China
| | - Jian-wei Liu
- Department of Epidemiology, School of Public Health, Shandong University, Jinan, Shandong, China
| | - Li-Mei Luo
- Shandong Center for Disease Control and Prevention, Jinan, Shandong, China
| | - Chuan-Min Zhou
- Department of Epidemiology, School of Public Health, Shandong University, Jinan, Shandong, China
| | - Xiang-Rong Qin
- Department of Microbiology, School of Public Health, Shandong University, Jinan, Shandong, China
| | - Ye-Lei Zhu
- Department of Microbiology, School of Public Health, Shandong University, Jinan, Shandong, China
| | - Xue-Xing Zheng
- Department of Microbiology, School of Public Health, Shandong University, Jinan, Shandong, China
| | - Xue-Jie Yu
- Department of Epidemiology, School of Public Health, Shandong University, Jinan, Shandong, China
- University of Texas Medical Branch, Galveston, Texas, United States of America
- * E-mail:
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18
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Identification and functional analysis of invasion associated locus B (IalB) in Bartonella species. Microb Pathog 2016; 98:171-7. [DOI: 10.1016/j.micpath.2016.05.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Revised: 03/30/2016] [Accepted: 05/10/2016] [Indexed: 11/19/2022]
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19
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Differences in the ectoparasite fauna between micromammals captured in natural and adjacent residential areas are better explained by sex and season than by type of habitat. Parasitol Res 2016; 115:2203-11. [PMID: 26946133 DOI: 10.1007/s00436-016-4962-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 02/17/2016] [Indexed: 02/01/2023]
Abstract
We compared the ectoparasite fauna in 608 micromammals (chiefly 472 wood mice Apodemus sylvaticus, 63 Algerian mice Mus spretus, and 51 greater white-toothed shrews Crocidura russula) captured in natural and adjacent residential areas in spring and autumn during three consecutive years in four areas in periurban Barcelona (NE Spain). We found little support for an association of urbanization with differences in infestation by ectoparasites. Prevalence of Rhipicephalus sp. tick in wood mice and shrews was significantly higher in residential than in natural habitats, and the opposite was found for the flea Ctenophtalmus andorrensis catalanensis in shrews. Marked differences in the prevalence of the flea Leptopsylla taschenbergi amitina in wood mice between seasons were observed in natural but not in residential habitats, probably due to enhanced flea survival probabilities in the latter. However, as a rule, males were more frequently and heavily infested than females, and the prevalence was higher in autumn than in spring. Our results suggest that the ectoparasite fauna of periurban micromammals is shaped more by other factors than by habitat modification. People living in residential areas are at risk of contact with the arthropods borne by non-commensal micromammals and the pathogens transmitted by them.
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Gutiérrez R, Krasnov B, Morick D, Gottlieb Y, Khokhlova IS, Harrus S. Bartonella infection in rodents and their flea ectoparasites: an overview. Vector Borne Zoonotic Dis 2015; 15:27-39. [PMID: 25629778 PMCID: PMC4307031 DOI: 10.1089/vbz.2014.1606] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Epidemiological studies worldwide have reported a high prevalence and a great diversity of Bartonella species, both in rodents and their flea parasites. The interaction among Bartonella, wild rodents, and fleas reflects a high degree of adaptation among these organisms. Vertical and horizontal efficient Bartonella transmission pathways within flea communities and from fleas to rodents have been documented in competence studies, suggesting that fleas are key players in the transmission of Bartonella to rodents. Exploration of the ecological traits of rodents and their fleas may shed light on the mechanisms used by bartonellae to become established in these organisms. The present review explores the interrelations within the Bartonella-rodent-flea system. The role of the latter two components is emphasized.
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Affiliation(s)
- Ricardo Gutiérrez
- Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, Israel
| | - Boris Krasnov
- Mitrani Department of Desert Ecology, Swiss Institute for Dryland Environmental and Energy Research, Ben-Gurion University of the Negev, Midreshet Ben-Gurion, Israel
| | - Danny Morick
- Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, Israel
| | - Yuval Gottlieb
- Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, Israel
| | - Irina S. Khokhlova
- Wyler Department of Dryland Agriculture, French Associates Institute for Agriculture and Biotechnology of Drylands, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben-Gurion, Israel
| | - Shimon Harrus
- Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, Israel
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Mediannikov O, Diatta G, Kasongo K, Raoult D. Identification of Bartonellae in the soft tick species Ornithodoros sonrai in Senegal. Vector Borne Zoonotic Dis 2013; 14:26-32. [PMID: 24359424 DOI: 10.1089/vbz.2013.1326] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Ticks, belonging to the soft ticks species Ornithodorus sonrai, have been collected from six sites in Senegal and were tested for the presence of Bartonella spp. Initial screening by PCR revealed the presence of these bacteria in ticks from two villages, Soulkhou Thissé (5/8, 62.5%) and Maka Gouye (1/24, 4.2%). Three bacterial strains were isolated from live ticks, and the genetic characterization of these strains suggests that they belong to two previously unknown species. The pathogenicity of these two new species of Bartonella is not yet known. The new isolates described here are the first strains of Bartonella spp. from soft ticks and the first isolates from any arthropod species in Africa.
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Affiliation(s)
- Oleg Mediannikov
- 1 URMITE (Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes) IRD 198, CNRS 7278, Université de la Méditerranée , Faculté de Médecine, Marseille, France and campus commun UCAD-IRD of Hann, BP 1386 CP 18524 Dakar, Senegal
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22
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Mediannikov O, El Karkouri K, Robert C, Fournier PE, Raoult D. Non-contiguous finished genome sequence and description of Bartonella florenciae sp. nov. Stand Genomic Sci 2013; 9:185-96. [PMID: 24501655 PMCID: PMC3910550 DOI: 10.4056/sigs.4358060] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Bartonella florenciae sp. nov. strain R4T is the type strain of B. florenciae sp. nov., a new species within the genus Bartonella. This strain, whose genome is described here, was isolated in France from the spleen of the shrew Crocidura russula. B. florenciae is an aerobic, rod-shaped, Gram-negative bacterium. Here we describe the features of this organism, together with the complete genome sequence and its annotation. The 2,010,844 bp-long genome contains 1,909 protein-coding and 46 RNA genes, including two rRNA operons.
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Affiliation(s)
- Oleg Mediannikov
- URMITE, Aix-Marseille Université, Faculté de médecine, Marseille, France ; URMITE, Campus commun UCAD-IRD d'Hann, Dakar, Senegal
| | - Khalid El Karkouri
- URMITE, Aix-Marseille Université, Faculté de médecine, Marseille, France
| | - Catherine Robert
- URMITE, Aix-Marseille Université, Faculté de médecine, Marseille, France
| | | | - Didier Raoult
- URMITE, Aix-Marseille Université, Faculté de médecine, Marseille, France ; King Fahad Medical Research Center, King Abdul Aziz University, Jeddah, Saudi Arabia
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Hayman DTS, McDonald KD, Kosoy MY. Evolutionary history of rat-borne Bartonella: the importance of commensal rats in the dissemination of bacterial infections globally. Ecol Evol 2013; 3:3195-203. [PMID: 24223261 PMCID: PMC3797470 DOI: 10.1002/ece3.702] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2013] [Revised: 06/28/2013] [Accepted: 07/01/2013] [Indexed: 11/11/2022] Open
Abstract
Emerging pathogens that originate from invasive species have caused numerous significant epidemics. Some bacteria of genus Bartonella are rodent-borne pathogens that can cause disease in humans and animals alike. We analyzed gltA sequences of 191 strains of rat-associated bartonellae from 29 rodent species from 17 countries to test the hypotheses that this bacterial complex evolved and diversified in Southeast Asia before being disseminated by commensal rats Rattus rattus (black rat) and Rattus norvegicus (Norway rat) to other parts of the globe. The analysis suggests that there have been numerous dispersal events within Asia and introductions from Asia to other regions, with six major clades containing Southeast Asian isolates that appear to have been dispersed globally. Phylogeographic analyses support the hypotheses that these bacteria originated in Southeast Asia and commensal rodents (R. rattus and R. norvegicus) play key roles in the evolution and dissemination of this Bartonella complex throughout the world.
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Affiliation(s)
- David T S Hayman
- Department of Biology, Colorado State University Fort Collins, Colorado ; Department of Biology, University of Florida Gainesville, Florida 32611
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Mediannikov O, El Karkouri K, Diatta G, Robert C, Fournier PE, Raoult D. Non-contiguous finished genome sequence and description of Bartonella senegalensis sp. nov. Stand Genomic Sci 2013; 8:279-89. [PMID: 23991259 PMCID: PMC3746424 DOI: 10.4056/sigs.3807472] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Bartonella senegalensis sp. nov. strain OS02T is the type strain of B. senegalensis sp. nov., a new species within the genus Bartonella. This strain, whose genome is described here, was isolated in Senegal from the soft tick Ornithodoros sonrai, the vector of relapsing fever. B. senegalensis is an aerobic, rod-shaped, Gram-negative bacterium. Here we describe the features of this organism, together with the complete genome sequence and its annotation. The 1,966,996 bp-long genome contains 1,710 protein-coding and 46 RNA genes, including 6 rRNA genes.
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Affiliation(s)
- Oleg Mediannikov
- URMITE, Aix-Marseille Université, Marseille, France, and Campus commun UCAD-IRD d'Hann, Dakar, Senegal
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Deepening the Conception of Functional Information in the Description of Zoonotic Infectious Diseases. ENTROPY 2013. [DOI: 10.3390/e15051929] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Experimental infection of laboratory mice with two Bartonella tribocorum strains from wild Mus species: a homologous host-bacteria model system at the genus level. Parasitology 2012; 140:61-8. [PMID: 22938938 DOI: 10.1017/s0031182012001333] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
To date no experimental infection studies have been conducted in laboratory mice using Mus spp. bartonella strains. Therefore we designed a study to evaluate the in vivo infection characteristics of 2 Bartonella tribocorum strains from wild Mus spp. in laboratory mice with the aim of developing a mouse model that reproduces characteristics of naturally acquired bartonella infections in rodents. Groups of outbred CD1 female mice were subcutaneously inoculated with low doses of 2 mouse bartonella strains (10, 100, and 1000 bacteria/mouse). Blood was collected weekly for 27 weeks to evaluate bacteraemia kinetics in infected mice. Mouse urine collected during weeks 3-6 post-inoculation was also tested for viable bacteria to determine whether urine might serve as a source of bacterial transmission. Mice were susceptible to infection with both strains. Bacteraemias in mice lasted up to 25 weeks, sometimes with abacteraemic intervals, and achieved levels up to 107 cfu/ml of blood. Temporal lags in bacteraemia onset of up to 19 weeks in length were noted at different inoculum doses. No viable bacteria were detected in mouse urine. Bacteraemic mice displayed characteristics of infection similar to those observed in natural rodent hosts during longitudinal field studies. This mouse model of persistent bacteraemia should be suitable for a variety of experimental uses.
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Colton L, Kabeya H, Kosoy M. Experimental infection of three laboratory mouse stocks with a shrew origin Bartonella elizabethae strain: an evaluation of bacterial host switching potential. Infect Ecol Epidemiol 2012; 2:IEE-2-17132. [PMID: 22957127 PMCID: PMC3426323 DOI: 10.3402/iee.v2i0.17132] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2012] [Revised: 06/04/2012] [Accepted: 06/06/2012] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Bartonella elizabethae has been reported as a causative agent of human illnesses and strains of this bacterium are commonly isolated from commensal small mammals in Asia. METHODS Since the zoonotic potential of a pathogen is often related to its host switching ability, we explored the capacity of a B. elizabethae strain to host switch by subcutaneously inoculating groups of Swiss Webster, BALB/c, and C57BL/6 mice with the bacteria at a range of doses. RESULTS A low number of mice in each of the three groups showed susceptibility to infection at high doses (10(5) and 10(6) bacteria), and developed bacteremias of 6-8 weeks duration. CONCLUSION The capacity of this B. elizabethae strain to switch hosts can have important public health consequences for humans in areas of Asia where many small mammal populations have high bartonellae infection prevalences and live as commensals with humans.
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Affiliation(s)
- Leah Colton
- Centers for Disease Control and Prevention, Division of Vector-Borne Diseases, Fort Collins, CO, USA
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Kosoy M, Hayman DTS, Chan KS. Bartonella bacteria in nature: where does population variability end and a species start? INFECTION GENETICS AND EVOLUTION 2012; 12:894-904. [PMID: 22449771 DOI: 10.1016/j.meegid.2012.03.005] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2011] [Revised: 03/05/2012] [Accepted: 03/06/2012] [Indexed: 10/28/2022]
Abstract
The application of new molecular approaches has permitted the differentiation of numerous strains belonging to the genus Bartonella and identification of new Bartonella species. However, the molecular typing of these organisms should be coupled with studies aimed at defining the biological properties of the newly described species. The long-history of co-adaptation between bartonella(1) bacteria and their mammalian hosts and possibly arthropod vectors provides a unique opportunity for applying this information for the sub-genus taxonomy. There can be a varying level of association between the bacteria and their hosts, ranging from animal species to animal genus to animal community. The commonality is that any level of association provides a certain degree of isolation for a given bartonella population that can mimic 'biological isolation'. Such an association defines a specific ecological niche and determines some specific characteristics, including sequence types that can be used as markers for demarcation of bacterial species. Usage of a combination of genetic markers and ecological information can delineate a number of species complexes that might combine several genospecies, named strains, and unique genotypes. The identification of such species complexes can be presented as (1) separate phylogenetic lineages distantly related to other species (e.g. Bartonella bacilliformis); (2) clusters of genetically similar strains associated with a specific mammalian group (e.g. Bartonella elizabethae species complex); and (3) clusters of genetically similar strains that combine a number of ecotypes (e.g. Bartonella vinsonii species complex).
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Affiliation(s)
- Michael Kosoy
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado 80521, USA.
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Deng H, Le Rhun D, Buffet JPR, Cotté V, Read A, Birtles RJ, Vayssier-Taussat M. Strategies of exploitation of mammalian reservoirs by Bartonella species. Vet Res 2012; 43:15. [PMID: 22369683 PMCID: PMC3430587 DOI: 10.1186/1297-9716-43-15] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2011] [Accepted: 01/17/2012] [Indexed: 11/16/2022] Open
Abstract
Numerous mammal species, including domestic and wild animals such as ruminants, dogs, cats and rodents, as well as humans, serve as reservoir hosts for various Bartonella species. Some of those species that exploit non-human mammals as reservoir hosts have zoonotic potential. Our understanding of interactions between bartonellae and reservoir hosts has been greatly improved by the development of animal models for infection and the use of molecular tools allowing large scale mutagenesis of Bartonella species. By reviewing and combining the results of these and other approaches we can obtain a comprehensive insight into the molecular interactions that underlie the exploitation of reservoir hosts by Bartonella species, particularly the well-studied interactions with vascular endothelial cells and erythrocytes.
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Affiliation(s)
- Hongkuan Deng
- USC INRA Bartonella et Tiques, ANSES, 23 Avenue du Général de Gaulle, 94700, Maisons-Alfort, France.
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Liu Q, Eremeeva ME, Li D. Bartonella and Bartonella infections in China: from the clinic to the laboratory. Comp Immunol Microbiol Infect Dis 2012; 35:93-102. [PMID: 22304899 DOI: 10.1016/j.cimid.2012.01.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Revised: 12/26/2011] [Accepted: 01/04/2012] [Indexed: 10/14/2022]
Abstract
The current status of Bartonella studies in mainland China is reviewed including both laboratory and ecological data and limited clinical data. Detection and isolation of Bartonella species from arthropods, pets and small wild animals is commonplace; this includes a variety of known and emerging Bartonella pathogens. In contrast, the medical literature analyzed from 1980 to 2010 consists of 31 reports of only of cat scratch disease (CSD). Most cases are from the East and South-Eastern provinces, the most populated areas with best access to medical care. Disease typically is described as febrile illness with symptoms traditionally reported for CSD elsewhere in the world. Clinical observations and anamnesis are the primary bases for diagnosis, since specialized serologic and molecular diagnosis is not widely available. Seroprevalence of healthy populations determined using Bartonella henselae antigen varies from 9.6 to 19.6%. The apparent discordance postulated between possible environmental exposure to diverse Bartonella agents and restricted B. henselae case etiologies suggests a need to determine whether other Bartonella species may also be etiologic agents of human illness and emphasizes the importance of applying modern diagnostic tools widely in clinical practice in mainland China.
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Affiliation(s)
- Qiyong Liu
- Department of Vector Biology and Control, State Key Laboratory for Infectious Diseases Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Changping, Beijing, China
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Experimental infection of Swiss webster mice with four rat bartonella strains: host specificity, bacteremia kinetics, dose dependent response, and histopathology. Comp Immunol Microbiol Infect Dis 2011; 34:465-73. [PMID: 21908045 DOI: 10.1016/j.cimid.2011.08.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Revised: 07/30/2011] [Accepted: 08/04/2011] [Indexed: 11/23/2022]
Abstract
Groups of Swiss Webster outbred mice were each inoculated with one of four bartonella strains originally isolated from Rattus spp. at doses ranging from 10(1) to 10(7) bacteria per mouse. One strain, Rn1691yn (Bartonella coopersplainensis-like), infected mice and produced bacteremias at levels up to 10(5)bacteria/ml of blood and from 3 to 8 weeks duration. A dose dependent response was also observed with differing proportions of mice bacteremic following inoculation at different doses. In addition weeks-to-months long lags in bacteremia manifestation occurred following lower dose exposures. The possibility of bacterial transmission from bacteremic mice to uninfected cagemates was assessed and no naïve mice became infected from contacts with infected mice. Finally, a subset of bacteremic mice inoculated with high doses of Rn1691yn were examined histopathologically and multifocal, granulomatous lesions were detected in both liver and kidneys. The host specificity and infectivity of the strains is discussed in relation to their potential for zoonotic transmission to incidental hosts.
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Kosoy M, Bai Y, Lynch T, Kuzmin IV, Niezgoda M, Franka R, Agwanda B, Breiman RF, Rupprecht CE. Bartonella spp. in bats, Kenya. Emerg Infect Dis 2011; 16:1875-81. [PMID: 21122216 PMCID: PMC3294596 DOI: 10.3201/eid1612.100601] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
We report the presence and diversity of Bartonella spp. in bats of 13 insectivorous and frugivorous species collected from various locations across Kenya. Bartonella isolates were obtained from 23 Eidolon helvum, 22 Rousettus aegyptiacus, 4 Coleura afra, 7 Triaenops persicus, 1 Hipposideros commersoni, and 49 Miniopterus spp. bats. Sequence analysis of the citrate synthase gene from the obtained isolates showed a wide assortment of Bartonella strains. Phylogenetically, isolates clustered in specific host bat species. All isolates from R. aegyptiacus, C. afra, and T. persicus bats clustered in separate monophyletic groups. In contrast, E. helvum and Miniopterus spp. bats harbored strains that clustered in several groups. Further investigation is needed to determine whether these agents are responsible for human illnesses in the region.
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Affiliation(s)
- Michael Kosoy
- Centers for Disease Control and Prevention, Fort Collins, Colorado 80521, USA.
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Paziewska A, Harris PD, Zwolińska L, Bajer A, Siński E. Recombination within and between species of the alpha proteobacterium Bartonella infecting rodents. MICROBIAL ECOLOGY 2011; 61:134-145. [PMID: 20740281 PMCID: PMC3011088 DOI: 10.1007/s00248-010-9735-1] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2010] [Accepted: 08/03/2010] [Indexed: 05/28/2023]
Abstract
Bartonella infections from wild mice and voles (Apodemus flavicollis, Mi. oeconomus, Microtus arvalis and Myodes glareolus) were sampled from a forest and old-field habitats of eastern Poland; a complex network of Bartonella isolates, referrable to B. taylorii, B. grahamii, B. birtlesii and B. doshiae, was identified by the sequencing of a gltA fragment, comparable to previous studies of Bartonella diversity in rodents. Nested clade analysis showed that isolates could be assigned to zero- and one-step clades which correlated with host identity and were probably the result of clonal expansion; however, sequencing of other housekeeping genes (rpoB, ribC, ftsZ, groEl) and the 16S RNA gene revealed a more complex situation with clear evidence of numerous recombinant events in which one or both Bartonella parents could be identified. Recombination within gltA was found to have generated two distinct variant clades, one a hybrid between B. taylorii and B. doshiae, the other between B. taylorii and B. grahamii. These recombinant events characterised the differences between the two-step and higher clades within the total nested cladogram, involved all four species of Bartonella identified in this work and appear to have played a dominant role in the evolution of Bartonella diversity. It is clear, therefore, that housekeeping gene phylogenies are not robust indicators of Bartonella diversity, especially when only a single gene (gltA or 16S RNA) is used. Bartonella clades infecting Microtus were most frequently involved in recombination and were most frequently tip clades within the cladogram. The role of Microtus in influencing the frequency of Bartonella recombination remains unknown.
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Affiliation(s)
- Anna Paziewska
- Department of Parasitology, Institute of Zoology, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096, Warsaw, Poland.
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