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Köseoğlu AE, Can H, Güvendi M, Karakavuk M, Manyatsi P, Erkunt Alak S, Değirmenci Döşkaya A, Gül A, Döşkaya M, Gürüz AY, Ün C. Molecular prevalence and genetic diversity of Bartonella spp. in stray cats of İzmir, Turkey. Parasit Vectors 2022; 15:305. [PMID: 36038877 PMCID: PMC9422166 DOI: 10.1186/s13071-022-05431-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 08/04/2022] [Indexed: 12/13/2022] Open
Abstract
Background Bartonella spp. are vector-borne pathogens that cause zoonotic infections in humans. One of the most well-known of these is cat-scratch disease caused by Bartonella henselae and Bartonella clarridgeiae, with cats being the major reservoir for these two bacteria. Izmir, Turkey is home to many stray cats, but their potential role as a reservoir for the transmission of Bartonella to humans has not been investigated yet. Therefore, the aim of this study was to investigate the prevalence of Bartonella species and their genetic diversity in stray cats living in Izmir. Methods Molecular prevalence of Bartonella spp. in stray cats (n = 1012) was investigated using a PCR method targeting the 16S-23S internal transcribed spacer gene (ITS), species identification was performed by sequencing and genetic diversity was evaluated by haplotype analysis. Results Analysis of the DNA extracted from 1012 blood samples collected from stray cats revealed that 122 samples were Bartonella-positive, which is a molecular prevalence of 12.05% (122/1012; 95% confidence interval [CI] 10.1–14.2%). Among the Bartonella-positive specimens, 100 (100/122; 81.96%) were successfully sequenced, and B. henselae (45/100; 45%), B. clarridgeiae (29/100; 29%) and Bartonella koehlerae (26/100; 26%) were identified by BLAST and phylogenetic analyses. High genetic diversity was detected in B. clarridgeiae with 19 haplotypes, followed by B. henselae (14 haplotypes) and B. koehlerae (8 haplotypes). Conclusions This comprehensive study analyzing a large number of samples collected from stray cats showed that Bartonella species are an important source of infection to humans living in Izmir. In addition, high genetic diversity was detected within each Bartonella species. Supplementary Information The online version contains supplementary material available at 10.1186/s13071-022-05431-3.
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Affiliation(s)
- Ahmet Efe Köseoğlu
- Department of Molecular Biology and Genetics, Faculty of Engineering and Natural Sciences, Biruni University, Istanbul, Turkey.,Department of Biology Molecular Biology Section, Faculty of Science, Ege University, Izmir, Turkey
| | - Hüseyin Can
- Department of Biology Molecular Biology Section, Faculty of Science, Ege University, Izmir, Turkey.
| | - Mervenur Güvendi
- Department of Biology Molecular Biology Section, Faculty of Science, Ege University, Izmir, Turkey
| | | | - Pumla Manyatsi
- Department of Biology Molecular Biology Section, Faculty of Science, Ege University, Izmir, Turkey
| | - Sedef Erkunt Alak
- Department of Biology Molecular Biology Section, Faculty of Science, Ege University, Izmir, Turkey
| | | | - Aytül Gül
- Department of Bioengineering, Faculty of Engineering, Ege University, Izmir, Turkey
| | - Mert Döşkaya
- Department of Parasitology, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Adnan Yüksel Gürüz
- Department of Parasitology, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Cemal Ün
- Department of Biology Molecular Biology Section, Faculty of Science, Ege University, Izmir, Turkey
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Köseoğlu AE, Can H, Güvendi M, Erkunt Alak S, Kandemir Ç, Taşkın T, Demir S, Akgül G, Değirmenci Döşkaya A, Karakavuk M, Döşkaya M, Gürüz AY, Ün C. Molecular investigation of bacterial and protozoal pathogens in ticks collected from different hosts in Turkey. Parasit Vectors 2021; 14:270. [PMID: 34016174 PMCID: PMC8138928 DOI: 10.1186/s13071-021-04779-2] [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: 02/18/2021] [Accepted: 05/08/2021] [Indexed: 02/04/2023] Open
Abstract
Background The emergence of tick-borne disease is increasing because of the effects of the temperature rise driven by global warming. In Turkey, 19 pathogens transmitted by ticks to humans and animals have been reported. Based on this, this study aimed to investigate tick-borne pathogens including Hepatozoon spp., Theileria spp., Babesia spp., Anaplasma spp., Borrelia spp., and Bartonella spp. in tick samples (n = 110) collected from different hosts (dogs, cats, cattle, goats, sheep, and turtles) by molecular methods. Methods To meet this objective, ticks were identified morphologically at the genus level by microscopy; after DNA isolation, each tick sample was identified at the species level using the molecular method. Involved pathogens were then investigated by PCR method. Results Seven different tick species were identified including Rhipicephalus sanguineus, R. turanicus, R. bursa, Hyalomma marginatum, H. anatolicum, H. aegyptium, and Haemaphysalis erinacei. Among the analyzed ticks, Hepatozoon spp., Theileria spp., Babesia spp., and Anaplasma spp. were detected at rates of 6.36%, 16.3%, 1.81%, and 6.36%, respectively while Borrelia spp. and Bartonella spp. were not detected. Hepatozoon spp. was detected in R. sanguineus ticks while Theileria spp., Babesia spp., and Anaplasma spp. were detected in R. turanicus and H. marginatum. According to the results of sequence analyses applied for pathogen positive samples, Hepatozoon canis, Theileria ovis, Babesia caballi, and Anaplasma ovis were identified. Conclusion Theileria ovis and Anaplasma ovis were detected for the first time to our knowledge in H. marginatum and R. turanicus collected from Turkey, respectively. Also, B. caballi was detected for the first time to our knowledge in ticks in Turkey. ![]()
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Affiliation(s)
- Ahmet Efe Köseoğlu
- Molecular Biology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey
| | - Hüseyin Can
- Molecular Biology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey.
| | - Mervenur Güvendi
- Molecular Biology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey
| | - Sedef Erkunt Alak
- Molecular Biology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey
| | - Çağrı Kandemir
- Department of Animal Science, Faculty of Agriculture, Ege University, Izmir, Turkey
| | - Turğay Taşkın
- Department of Animal Science, Faculty of Agriculture, Ege University, Izmir, Turkey
| | - Samiye Demir
- Zoology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey
| | - Gülşah Akgül
- Department of Internal Medicine, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
| | | | | | - Mert Döşkaya
- Department of Parasitology, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Adnan Yüksel Gürüz
- Department of Parasitology, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Cemal Ün
- Molecular Biology Section, Department of Biology, Faculty of Science, Ege University, Izmir, Turkey
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Lashnits EW, Dawson DE, Breitschwerdt E, Lanzas C. Ecological and Socioeconomic Factors Associated with Bartonella henselae Exposure in Dogs Tested for Vector-Borne Diseases in North Carolina. Vector Borne Zoonotic Dis 2019; 19:582-595. [PMID: 31112095 PMCID: PMC6685192 DOI: 10.1089/vbz.2018.2397] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Bartonella henselae is a zoonotic vector-borne pathogen affecting both humans and dogs. Little is known about the epidemiology of B. henselae in dogs, including risk factors associated with exposure. The objectives of this study were to map the current distribution of B. henselae in dogs in North Carolina (NC) and to identify ecological and socioeconomic factors influencing B. henselae seroreactivity. Results from 4446 B. henselae serology samples from dogs in NC submitted by veterinarians for clinical diagnostic testing to the North Carolina State University College of Veterinary Medicine Vector Borne Disease Diagnostic Laboratory between January 1, 2004 and December 31, 2015 were retrospectively reviewed. These results were used to generate a map of B. henselae seroreactivity. To account for sparsely sampled areas, statistical smoothing using head banging and areal interpolation kriging was performed. Using previously described risk factors for exposure to canine tick-borne diseases, eight multivariable logistic regression models based on biologically plausible hypotheses were tested, and a final model was selected using an Akaike's Information Criterion weighted-average approach. Seroreactivity among dogs tested for vector-borne disease was variable across the state: higher along the southern/eastern coastal plains and eastern Piedmont, and lower in the western mountains. Of 25 explanatory factors considered, the model combining demographic, socioeconomic, climatic, and land use variables fits best. Based on this model, female intact sex and increasing percentage of the county with low-intensity development and evergreen forest were associated with higher seroreactivity. Conversely, moderate development, increasing median household income, and higher temperature range and relative humidity were associated with lower seroreactivity. This model could be improved, however, by including local and host-scale factors that may play a significant role in dogs' exposure.
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Affiliation(s)
- Erin W. Lashnits
- Comparative Biomedical Sciences Graduate Program, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina
| | - Daniel E. Dawson
- Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina
| | - Edward Breitschwerdt
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina
| | - Cristina Lanzas
- Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina
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Regier Y, Komma K, Weigel M, Kraiczy P, Laisi A, Pulliainen AT, Hain T, Kempf VAJ. Combination of microbiome analysis and serodiagnostics to assess the risk of pathogen transmission by ticks to humans and animals in central Germany. Parasit Vectors 2019; 12:11. [PMID: 30616666 PMCID: PMC6322329 DOI: 10.1186/s13071-018-3240-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 11/28/2018] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Arthropod-borne diseases remain a major health-threat for humans and animals worldwide. To estimate the distribution of pathogenic agents and especially Bartonella spp., we conducted tick microbiome analysis and determination of the infection status of wild animals, pets and pet owners in the state of Hesse, Germany. RESULTS In total, 189 engorged ticks collected from 163 animals were tested. Selected ticks were analyzed by next generation sequencing (NGS) and confirmatory PCRs, blood specimens of 48 wild animals were analyzed by PCR to confirm pathogen presence and sera of 54 dogs, one cat and 11 dog owners were analyzed by serology. Bartonella spp. were detected in 9.5% of all ticks and in the blood of 17 roe deer. Further data reveal the presence of the human and animal pathogenic species of genera in the family Spirochaetaceae (including Borrelia miyamotoi and Borrelia garinii), Bartonella spp. (mainly Bartonella schoenbuchensis), Rickettsia helvetica, Francisella tularensis and Anaplasma phagocytophilum in ticks. Co-infections with species of several genera were detected in nine ticks. One dog and five dog owners were seropositive for anti-Bartonella henselae-antibodies and one dog had antibodies against Rickettsia conorii. CONCLUSIONS This study provides a snapshot of pathogens circulating in ticks in central Germany. A broad range of tick-borne pathogens are present in ticks, and especially in wild animals, with possible implications for animal and human health. However, a low incidence of Bartonella spp., especially Bartonella henselae, was detected. The high number of various detected pathogens suggests that ticks might serve as an excellent sentinel to detect and monitor zoonotic human pathogens.
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Affiliation(s)
- Yvonne Regier
- University Hospital, Goethe-University, Institute for Medical Microbiology and Infection Control, Frankfurt am Main, Germany
| | - Kassandra Komma
- Institute of Medical Microbiology, Justus-Liebig University, Giessen, Germany
| | - Markus Weigel
- Institute of Medical Microbiology, Justus-Liebig University, Giessen, Germany
| | - Peter Kraiczy
- University Hospital, Goethe-University, Institute for Medical Microbiology and Infection Control, Frankfurt am Main, Germany
| | - Arttu Laisi
- Institute of Biomedicine, Research Center for Cancer, Infections and Immunity, University of Turku, Turku, Finland
| | - Arto T. Pulliainen
- Institute of Biomedicine, Research Center for Cancer, Infections and Immunity, University of Turku, Turku, Finland
| | - Torsten Hain
- Institute of Medical Microbiology, Justus-Liebig University, Giessen, Germany
- German Centre for Infection Research (DZIF), partner site Giessen-Marburg-Langen, Giessen, Germany
| | - Volkhard A. J. Kempf
- University Hospital, Goethe-University, Institute for Medical Microbiology and Infection Control, Frankfurt am Main, Germany
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Rar V, Livanova N, Tkachev S, Kaverina G, Tikunov A, Sabitova Y, Igolkina Y, Panov V, Livanov S, Fomenko N, Babkin I, Tikunova N. Detection and genetic characterization of a wide range of infectious agents in Ixodes pavlovskyi ticks in Western Siberia, Russia. Parasit Vectors 2017; 10:258. [PMID: 28545549 PMCID: PMC5445278 DOI: 10.1186/s13071-017-2186-5] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 05/11/2017] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND The Ixodes pavlovskyi tick species, a member of the I. persulcatus/I. ricinus group, was discovered in the middle of the 20th century in the Russian Far East. Limited data have been reported on the detection of infectious agents in this tick species. The aim of this study was to investigate the prevalence and genetic variability of a wide range of infectious agents in I. pavlovskyi ticks collected in their traditional and recently invaded habitats, the Altai Mountains and Novosibirsk Province, respectively, which are both located within the Western Siberian part of the I. pavlovskyi distribution area. RESULTS This study reports the novel discovery of Borrelia bavariensis, Rickettsia helvetica, R. heilongjiangensis, R. raoultii, "Candidatus Rickettsia tarasevichiae", Anaplasma phagocytophilum, Ehrlichia muris, "Candidatus Neoehrlichia mikurensis" and Babesia microti in I. pavlovskyi ticks. In addition, we confirmed the previous identification of B. afzelii, B. garinii and B. miyamotoi, as well as tick-borne encephalitis and Kemerovo viruses in this tick species. The prevalence and some genetic characteristics of all of the tested agents were compared with those found in I. persulcatus ticks that were collected at the same time in the same locations, where these tick species occur in sympatry. It was shown that the prevalence and genotypes of many of the identified pathogens did not significantly differ between I. pavlovskyi and I. persulcatus ticks. However, I. pavlovskyi ticks were significantly more often infected by B. garinii and less often by B. bavariensis, B. afzelii, "Ca. R. tarasevichiae", and E. muris than I. persulcatus ticks in both studied regions. Moreover, new genetic variants of B. burgdorferi (sensu lato) and Rickettsia spp. as well as tick-borne encephalitis and Kemerovo viruses were found in both I. pavlovskyi and I. persulcatus ticks. CONCLUSION Almost all pathogens that were previously detected in I. persulcatus ticks were identified in I. pavlovskyi ticks; however, the distribution of species belonging to the B. burgdorferi (sensu lato) complex, the genus Rickettsia, and the family Anaplasmataceae was different between the two tick species. Several new genetic variants of viral and bacterial agents were identified in I. pavlovskyi and I. persulcatus ticks.
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Affiliation(s)
- Vera Rar
- Institute of Chemical Biology and Fundamental Medicine, SB RAS, Novosibirsk, Russian Federation
| | - Natalia Livanova
- Institute of Chemical Biology and Fundamental Medicine, SB RAS, Novosibirsk, Russian Federation
- Institute of Systematics and Ecology of Animals SB RAS, Novosibirsk, Russian Federation
| | - Sergey Tkachev
- Institute of Chemical Biology and Fundamental Medicine, SB RAS, Novosibirsk, Russian Federation
| | - Galina Kaverina
- Institute of Chemical Biology and Fundamental Medicine, SB RAS, Novosibirsk, Russian Federation
| | - Artem Tikunov
- Institute of Chemical Biology and Fundamental Medicine, SB RAS, Novosibirsk, Russian Federation
| | - Yuliya Sabitova
- Institute of Chemical Biology and Fundamental Medicine, SB RAS, Novosibirsk, Russian Federation
| | - Yana Igolkina
- Institute of Chemical Biology and Fundamental Medicine, SB RAS, Novosibirsk, Russian Federation
| | - Victor Panov
- Institute of Systematics and Ecology of Animals SB RAS, Novosibirsk, Russian Federation
| | - Stanislav Livanov
- Institute of Systematics and Ecology of Animals SB RAS, Novosibirsk, Russian Federation
| | - Nataliya Fomenko
- Institute of Chemical Biology and Fundamental Medicine, SB RAS, Novosibirsk, Russian Federation
| | - Igor Babkin
- Institute of Chemical Biology and Fundamental Medicine, SB RAS, Novosibirsk, Russian Federation
| | - Nina Tikunova
- Institute of Chemical Biology and Fundamental Medicine, SB RAS, Novosibirsk, Russian Federation
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Regier Y, O Rourke F, Kempf VAJ. Bartonella spp. - a chance to establish One Health concepts in veterinary and human medicine. Parasit Vectors 2016; 9:261. [PMID: 27161111 PMCID: PMC4862191 DOI: 10.1186/s13071-016-1546-x] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 04/27/2016] [Indexed: 12/02/2022] Open
Abstract
Infectious diseases remain a remarkable health threat for humans and animals. In the past, the epidemiology, etiology and pathology of infectious agents affecting humans and animals have mostly been investigated in separate studies. However, it is evident, that combined approaches are needed to understand geographical distribution, transmission and infection biology of “zoonotic agents”. The genus Bartonella represents a congenial example of the synergistic benefits that can arise from such combined approaches: Bartonella spp. infect a broad variety of animals, are linked with a constantly increasing number of human diseases and are transmitted via arthropod vectors. As a result, the genus Bartonella is predestined to play a pivotal role in establishing a One Health concept combining veterinary and human medicine.
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Affiliation(s)
- Yvonne Regier
- Institute for Medical Microbiology and Infection Control, University Hospital, Goethe-University, Frankfurt am Main, Germany
| | - Fiona O Rourke
- Institute for Medical Microbiology and Infection Control, University Hospital, Goethe-University, Frankfurt am Main, Germany
| | - Volkhard A J Kempf
- Institute for Medical Microbiology and Infection Control, University Hospital, Goethe-University, Frankfurt am Main, Germany.
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Sormunen JJ, Penttinen R, Klemola T, Hänninen J, Vuorinen I, Laaksonen M, Sääksjärvi IE, Ruohomäki K, Vesterinen EJ. Tick-borne bacterial pathogens in southwestern Finland. Parasit Vectors 2016; 9:168. [PMID: 27004834 PMCID: PMC4802833 DOI: 10.1186/s13071-016-1449-x] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 03/12/2016] [Indexed: 12/24/2022] Open
Abstract
Background Ixodes ricinus and Ixodes persulcatus are the main vectors of Lyme borreliosis spirochetes and several other zoonotic bacteria in northern Europe and Russia. However, few studies screening bacterial pathogens in Finnish ticks have been conducted. Therefore, reports on the occurrence and prevalence of several bacterial pathogens detected from ticks elsewhere in Europe and Russia are altogether missing from Finland. The main aim of the current study was to produce novel data on the occurrence and prevalence of several tick-borne bacterial pathogens in ticks collected from southwestern Finland. Methods Ticks were collected in 2013–2014 by blanket dragging from 25 localities around southwestern Finland, and additionally from a dog in Lempäälä. Collected ticks were molecularly identified and screened for Borrelia burgdorferi s.l., Borrelia miyamotoi, Rickettsia, Bartonella and Candidatus Neoehrlichia mikurensis using quantitative PCR. Furthermore, detected Rickettsia spp. were sequenced using conventional PCR to determine species. Results A total of 3169 ticks in 1174 DNA samples were screened for the listed pathogens. The most common bacteria detected was B. burgdorferi (s.l.) (18.5 % nymphal and 23.5 % adult ticks), followed by Rickettsia spp. (1.1 %; 5.1 %) and B. miyamotoi (0.51 %; 1.02 %). B. miyamotoi and Rickettsia spp. were also detected in larval samples (minimum infection rates 0.31 % and 0.21 %, respectively). Detected Rickettsia spp. were identified by sequencing as R. helvetica and R. monacensis. All screened samples were negative for Bartonella spp. and Ca. N. mikurensis. Conclusions In the current study we report for the first time the presence of Rickettsia in Finnish ticks. Furthermore, Rickettsia spp. and B. miyamotoi were found from larval tick samples, emphasizing the importance they may have as vectors of these pathogens. Comparisons of tick density estimates and B. burgdorferi (s.l.) prevalence made between the current study and a previous study conducted in 2000 in ten out of the 25 study localities suggest that an increase in tick abundance and B. burgdorferi (s.l.) prevalence has occurred in at least some of the study localities.
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Affiliation(s)
- Jani J Sormunen
- Department of Biology, University of Turku, FI-20014, Turku, Finland.,Archipelago Research Institute, University of Turku, FI-20014, Turku, Finland
| | - Ritva Penttinen
- Zoological Museum, Department of Biology, University of Turku, FI-20014, Turku, Finland
| | - Tero Klemola
- Department of Biology, University of Turku, FI-20014, Turku, Finland
| | - Jari Hänninen
- Archipelago Research Institute, University of Turku, FI-20014, Turku, Finland
| | - Ilppo Vuorinen
- Archipelago Research Institute, University of Turku, FI-20014, Turku, Finland
| | - Maija Laaksonen
- Department of Biology, University of Turku, FI-20014, Turku, Finland
| | - Ilari E Sääksjärvi
- Zoological Museum, Department of Biology, University of Turku, FI-20014, Turku, Finland
| | - Kai Ruohomäki
- Department of Biology, University of Turku, FI-20014, Turku, Finland
| | - Eero J Vesterinen
- Department of Biology, University of Turku, FI-20014, Turku, Finland. .,Department of Agricultural Sciences, University of Helsinki, FI-00014, Helsinki, Finland.
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Kurilshikov A, Livanova NN, Fomenko NV, Tupikin AE, Rar VA, Kabilov MR, Livanov SG, Tikunova NV. Comparative Metagenomic Profiling of Symbiotic Bacterial Communities Associated with Ixodes persulcatus, Ixodes pavlovskyi and Dermacentor reticulatus Ticks. PLoS One 2015; 10:e0131413. [PMID: 26154300 PMCID: PMC4496043 DOI: 10.1371/journal.pone.0131413] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 06/01/2015] [Indexed: 12/29/2022] Open
Abstract
Ixodes persulcatus, Ixodes pavlovskyi, and Dermacentor reticulatus ticks inhabiting Western Siberia are responsible for the transmission of a number of etiological agents that cause human and animal tick-borne diseases. Because these ticks are abundant in the suburbs of large cities, agricultural areas, and popular tourist sites and frequently attack people and livestock, data regarding the microbiomes of these organisms are required. Using metagenomic 16S profiling, we evaluate bacterial communities associated with I. persulcatus, I. pavlovskyi, and D. reticulatus ticks collected from the Novosibirsk region of Russia. A total of 1214 ticks were used for this study. DNA extracted from the ticks was pooled according to tick species and sex. Sequencing of the V3-V5 domains of 16S rRNA genes was performed using the Illumina Miseq platform. The following bacterial genera were prevalent in the examined communities: Acinetobacter (all three tick species), Rickettsia (I. persulcatus and D. reticulatus) and Francisella (D. reticulatus). B. burgdorferi sensu lato and B. miyamotoi sequences were detected in I. persulcatus and I. pavlovskyi but not in D. reticulatus ticks. The pooled samples of all tick species studied contained bacteria from the Anaplasmataceae family, although their occurrence was low. DNA from A. phagocytophilum and Candidatus Neoehrlichia mikurensis was first observed in I. pavlovskyi ticks. Significant inter-species differences in the number of bacterial taxa as well as intra-species diversity related to tick sex were observed. The bacterial communities associated with the I. pavlovskyi ticks displayed a higher biodiversity compared with those of the I. persulcatus and D. reticulatus ticks. Bacterial community structure was also diverse across the studied tick species, as shown by permutational analysis of variance using the Bray-Curtis dissimilarity metric (p = 0.002). Between-sex variation was confirmed by PERMANOVA testing in I. persulcatus (p = 0.042) and I. pavlovskyi (p = 0.042) ticks. Our study indicated that 16S metagenomic profiling could be used for rapid assessment of the occurrence of medically important bacteria in tick populations inhabiting different natural biotopes and therefore the epidemic danger of studied foci.
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Affiliation(s)
- Alexander Kurilshikov
- Institute of Chemical Biology and Fundamental Medicine SB RAS, Novosibirsk, Russia
- * E-mail:
| | - Natalya N. Livanova
- Institute of Chemical Biology and Fundamental Medicine SB RAS, Novosibirsk, Russia
- Institute of Systematics and Ecology of Animals SB RAS, Novosibirsk, Russia
| | - Nataliya V. Fomenko
- Institute of Chemical Biology and Fundamental Medicine SB RAS, Novosibirsk, Russia
| | - Alexey E. Tupikin
- Institute of Chemical Biology and Fundamental Medicine SB RAS, Novosibirsk, Russia
| | - Vera A. Rar
- Institute of Chemical Biology and Fundamental Medicine SB RAS, Novosibirsk, Russia
| | - Marsel R. Kabilov
- Institute of Chemical Biology and Fundamental Medicine SB RAS, Novosibirsk, Russia
| | | | - Nina V. Tikunova
- Institute of Chemical Biology and Fundamental Medicine SB RAS, Novosibirsk, Russia
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Zając V, Wójcik-Fatla A, Dutkiewicz J, Szymańska J. Bartonella henselae in eastern Poland: the relationship between tick infection rates and the serological response of individuals occupationally exposed to tick bites. JOURNAL OF VECTOR ECOLOGY : JOURNAL OF THE SOCIETY FOR VECTOR ECOLOGY 2015; 40:75-82. [PMID: 26047187 DOI: 10.1111/jvec.12135] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 09/17/2014] [Indexed: 06/04/2023]
Abstract
To explore the potential role of Ixodes ricinus as the presumed vector of Bartonella henselae in eastern Poland, ticks collected in various geographic locations were examined for the presence of B. henselae, and the results were matched against the prevalence of anti-B. henselae antibodies in individuals occupationally exposed to tick bites. The presence of Bartonella DNA was investigated by PCR in a total of 1,603 unfed Ixodes ricinus ticks. The presence of IgG antibodies against B. henselae was investigated in serum samples from 332 people occupationally exposed to tick bites (94 farmers and 238 forestry workers). The total prevalence of B. henselae in ticks was 1.7%; the infection rates in males (3.1%) and females (2.7%) were nearly ten times greater than in nymphs (0.3%). The prevalence of seropositive results in the risk group (30.4%), farmers (27.7%) and forestry workers (31.5%), was significantly greater compared to the control group (8.9%). The results showed a weak positive correlation between the degree of infection of ticks and humans living in the same geographic region. The lack of a direct relationship indicates that exposure to tick bites is only one of the factors contributing to the significant preponderance of a seropositive response to B. henselae in the forestry workers and farmers over the control group. Other factors must be considered, such as contact with cats, which are popular domestic animals in Polish villages, and exposure to cat fleas.
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Affiliation(s)
- Violetta Zając
- Department of Zoonoses, Institute of Rural Health, Lublin, Poland.
| | | | - Jacek Dutkiewicz
- Department of Zoonoses, Institute of Rural Health, Lublin, Poland
| | - Jolanta Szymańska
- Department of Paedodontics, Medical University of Lublin, Lublin, Poland
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10
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Lantos PM, Wormser GP. Chronic coinfections in patients diagnosed with chronic lyme disease: a systematic review. Am J Med 2014; 127:1105-1110. [PMID: 24929022 PMCID: PMC4252587 DOI: 10.1016/j.amjmed.2014.05.036] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Revised: 05/26/2014] [Accepted: 05/28/2014] [Indexed: 10/25/2022]
Abstract
PURPOSE Often, the controversial diagnosis of chronic Lyme disease is given to patients with prolonged, medically unexplained physical symptoms. Many such patients also are treated for chronic coinfections with Babesia, Anaplasma, or Bartonella in the absence of typical presentations, objective clinical findings, or laboratory confirmation of active infection. We have undertaken a systematic review of the literature to evaluate several aspects of this practice. METHODS Five systematic literature searches were performed using Boolean operators and the PubMed search engine. RESULTS The literature searches did not demonstrate convincing evidence of: 1) chronic anaplasmosis infection; 2) treatment-responsive symptomatic chronic babesiosis in immunocompetent persons in the absence of fever, laboratory abnormalities, and detectable parasitemia; 3) either geographically widespread or treatment-responsive symptomatic chronic infection with Babesia duncani in the absence of fever, laboratory abnormalities, and detectable parasitemia; 4) tick-borne transmission of Bartonella species; or 5) simultaneous Lyme disease and Bartonella infection. CONCLUSIONS The medical literature does not support the diagnosis of chronic, atypical tick-borne coinfections in patients with chronic, nonspecific illnesses.
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Affiliation(s)
- Paul M Lantos
- Division of Pediatric Infectious Diseases, Duke University School of Medicine, Durham, NC; Division of General Internal Medicine, Duke University School of Medicine, Durham, NC.
| | - Gary P Wormser
- Division of Infectious Diseases, New York Medical College, Valhalla
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11
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Abstract
Ixodes persulcatus Schulze, 1930 (I. persulcatus) is distributed from the western to the eastern borders of Russia where it is found in the taiga and in mixed forests of the European type. This tick is a known vector of viral (tick-borne encephalitis virus), spirochetal (Borrelia spp.), and protozoan (Babesia spp.) agents. In this work, we analyzed the phylogenetic position of I. persulcatus within the Prostriata based on its 18S rRNA gene. Furthermore, we review the relationship of this tick with 9 Alphaproteobacteria from the genera Rickettsia, Ehrlichia, and Anaplasma which are found in I. persulcatus in the territory of Russia. These observations suggest that I. persulcatus may be one of the more important vectors and reservoirs of Alphaproteobacteria and other microorganisms in Russia.
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Affiliation(s)
- Stanislav Shpynov
- FBUN Omsk Scientific Research Institute of Natural Focal Infections, 7, Prospect Myra, Omsk 644080, Russia.
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12
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Brettschneider H, Anguelov R, Chimimba CT, Bastos ADS. A mathematical epidemiological model of gram-negative Bartonella bacteria: does differential ectoparasite load fully explain the differences in infection prevalence of Rattus rattus and Rattus norvegicus? JOURNAL OF BIOLOGICAL DYNAMICS 2012; 6:763-781. [PMID: 22873616 DOI: 10.1080/17513758.2012.705906] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
We postulate that the large difference in infection prevalence, 24% versus 5%, in R. norvegicus and R. rattus, respectively, between these two co-occurring host species may be due to differences in ectoparasite and potential vector infestation rates. A compartmental model, representative of an infectious system containing these two Rattus species and two ectoparasite vectors, was constructed and the coefficients of the forces of infection determined mathematically. The maximum difference obtained by the model in the prevalence of Bartonella in the two Rattus species amounts to 4.6%, compared to the observed mean difference of 19%. Results suggest the observed higher Bartonella infection prevalence in Rattus norvegicus compared to Rattus rattus, cannot be explained solely by higher ectoparasite load. The model also highlights the need for more detailed biological research on Bartonella infections in Rattus and the importance of the flea vector in the spread of this disease.
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Affiliation(s)
- H Brettschneider
- Mammal Research Institute (MRI), Department of Zoology and Entomology, University of Pretoria, Private Bag 20, Hatfield, 0028, South Africa.
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13
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Bartonella species and their ectoparasites: selective host adaptation or strain selection between the vector and the mammalian host? Comp Immunol Microbiol Infect Dis 2011; 34:299-314. [PMID: 21616536 DOI: 10.1016/j.cimid.2011.04.005] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2011] [Revised: 04/16/2011] [Accepted: 04/21/2011] [Indexed: 11/22/2022]
Abstract
A wide range of blood-sucking arthropods have either been confirmed or are suspected as important vectors in Bartonella transmission to mammals, including humans. Overall, it appears that the diversity of Bartonella species DNA identified in ectoparasites is much broader than the species detected in their mammalian hosts, suggesting a mechanism of adaptation of Bartonella species to their host-vector ecosystem. However, these mechanisms leading to the fitness between the vectors and their hosts still need to be investigated.
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14
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Tijsse-Klasen E, Fonville M, Gassner F, Nijhof AM, Hovius EKE, Jongejan F, Takken W, Reimerink JR, Overgaauw PAM, Sprong H. Absence of zoonotic Bartonella species in questing ticks: first detection of Bartonella clarridgeiae and Rickettsia felis in cat fleas in the Netherlands. Parasit Vectors 2011; 4:61. [PMID: 21501464 PMCID: PMC3087693 DOI: 10.1186/1756-3305-4-61] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2011] [Accepted: 04/18/2011] [Indexed: 11/25/2022] Open
Abstract
Background Awareness for flea- and tick-borne infections has grown in recent years and the range of microorganisms associated with these ectoparasites is rising. Bartonella henselae, the causative agent of Cat Scratch Disease, and other Bartonella species have been reported in fleas and ticks. The role of Ixodes ricinus ticks in the natural cycle of Bartonella spp. and the transmission of these bacteria to humans is unclear. Rickettsia spp. have also been reported from as well ticks as also from fleas. However, to date no flea-borne Rickettsia spp. were reported from the Netherlands. Here, the presence of Bartonellaceae and Rickettsiae in ectoparasites was investigated using molecular detection and identification on part of the gltA- and 16S rRNA-genes. Results The zoonotic Bartonella clarridgeiae and Rickettsia felis were detected for the first time in Dutch cat fleas. B. henselae was found in cat fleas and B. schoenbuchensis in ticks and keds feeding on deer. Two Bartonella species, previously identified in rodents, were found in wild mice and their fleas. However, none of these microorganisms were found in 1719 questing Ixodes ricinus ticks. Notably, the gltA gene amplified from DNA lysates of approximately 10% of the questing nymph and adult ticks was similar to that of an uncultured Bartonella-related species found in other hard tick species. The gltA gene of this Bartonella-related species was also detected in questing larvae for which a 16S rRNA gene PCR also tested positive for "Candidatus Midichloria mitochondrii". The gltA-gene of the Bartonella-related species found in I. ricinus may therefore be from this endosymbiont. Conclusions We conclude that the risk of acquiring Cat Scratch Disease or a related bartonellosis from questing ticks in the Netherlands is negligible. On the other hand fleas and deer keds are probable vectors for associated Bartonella species between animals and might also transmit Bartonella spp. to humans.
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Affiliation(s)
- Ellen Tijsse-Klasen
- Laboratory for Zoonoses and Environmental Microbiology, National Institute for Public Health and Environment (RIVM), Bilthoven, The Netherlands
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15
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Mietze A, Strube C, Beyerbach M, Schnieder T, Goethe R. Occurrence of Bartonella henselae and Borrelia burgdorferi sensu lato co-infections in ticks collected from humans in Germany. Clin Microbiol Infect 2010; 17:918-20. [PMID: 21682805 DOI: 10.1111/j.1469-0691.2010.03363.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Bartonella (B.) henselae is the zoonotic agent of cat scratch disease. B. henselae has been associated with therapy-resistant Lyme disease in humans suggesting that B. henselae and Borrelia burgdorferi sensu lato might be transmitted concurrently by ticks. In the present study we found that 16 (6.9%) of 230 Ixodes ricinus collected from humans harboured DNA of Bartonella spp. Fifteen positive ticks were infected with B. henselae and one tick with B. clarridgeiae. Twenty-five percent of the 16 Bartonella positive ticks were co-infected with Borrelia burgdorferi sensu lato. Our data show that B. henselae is present in Ixodes ricinus and that ticks may serve as source of infection for humans.
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Affiliation(s)
- A Mietze
- Institute for Microbiology, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
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16
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Angelakis E, Billeter SA, Breitschwerdt EB, Chomel BB, Raoult D. Potential for tick-borne bartonelloses. Emerg Infect Dis 2010. [PMID: 20202411 PMCID: PMC3322042 DOI: 10.3201/eid1603.091685] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Although possible, tick transmission to a vertebrate host has not been proven. As worldwide vectors of human infectious diseases, ticks are considered to be second only to mosquitoes. Each tick species has preferred environmental conditions and biotopes that determine its geographic distribution, the pathogens it vectors, and the areas that pose risk for tick-borne diseases. Researchers have identified an increasing number of bacterial pathogens that are transmitted by ticks, including Anaplasma, Borrelia, Ehrlichia, and Rickettsia spp. Recent reports involving humans and canines suggest that ticks should be considered as potential vectors of Bartonella spp. To strengthen this suggestion, numerous molecular surveys to detect Bartonella DNA in ticks have been conducted. However, there is little evidence that Bartonella spp. can replicate within ticks and no definitive evidence of transmission by a tick to a vertebrate host.
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Chausov EV, Ternovoi VA, Protopopova EV, Konovalova SN, Kononova YV, Pershikova NL, Moskvitina NS, Romanenko VN, Ivanova NV, Bolshakova NP, Moskvitin SS, Korobitsin IG, Gashkov SI, Tiutenkov OY, Kuranova VN, Kravchenko LB, Suchkova NG, Agulova LP, Loktev VB. Genetic diversity of tick-borne pathogenes in Tomsk and environs. ACTA ACUST UNITED AC 2010. [DOI: 10.1134/s0013873810020090] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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18
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Angelakis E, Billeter SA, Breitschwerdt EB, Chomel BB, Raoult D. Potential for Tick-borne Bartonelloses. Emerg Infect Dis 2010; 16:385-91. [DOI: 10.3201/eid1603.081685] [Citation(s) in RCA: 91] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Vilcins IME, Kosoy M, Old JM, Deane EM. Bartonella-Like DNA Detected inIxodes tasmaniTicks (Acari: Ixodida) Infesting Koalas (Phascolarctos cinereus) in Victoria, Australia. Vector Borne Zoonotic Dis 2009; 9:499-503. [DOI: 10.1089/vbz.2008.0132] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Inger-Marie E. Vilcins
- Department of Biological Sciences, Division of Environmental and Life Sciences Macquarie University, North Ryde, NSW, Australia
| | - Michael Kosoy
- Centers for Disease Control and Prevention, Fort Collins, Colorado
| | - Julie M. Old
- School of Natural Science, Hawkesbury Campus, University of Western Sydney, NSW, Australia
| | - Elizabeth M. Deane
- The Chancellery, Australian National University, Canberra, ACT, 0200, Australia
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Cotté V, Bonnet S, Le Rhun D, Le Naour E, Chauvin A, Boulouis HJ, Lecuelle B, Lilin T, Vayssier-Taussat M. Transmission of Bartonella henselae by Ixodes ricinus. Emerg Infect Dis 2008; 14:1074-80. [PMID: 18598628 PMCID: PMC2600320 DOI: 10.3201/eid1407.071110] [Citation(s) in RCA: 173] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The causative agent of cat-scratch disease in humans can be transmitted by this tick through saliva. Bartonella spp. are facultative intracellular bacteria associated with several emerging diseases in humans and animals. B. henselae causes cat-scratch disease and is increasingly associated with several other syndromes, particularly ocular infections and endocarditis. Cats are the main reservoir for B. henselae and the bacteria are transmitted to cats by cat fleas. However, new potential vectors are suspected of transmitting B. henselae, in particular, Ixodes ricinus, the most abundant ixodid tick that bites humans in western Europe. We used a membrane-feeding technique to infect I. ricinus with B. henselae and demonstrate transmission of B. henselae within I. ricinus across developmental stages, migration or multiplication of B. henselae in salivary glands after a second meal, and transmission of viable and infective B. henselae from ticks to blood. These results provide evidence that I. ricinus is a competent vector for B. henselae.
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Affiliation(s)
- Violaine Cotté
- Institut National de la Recherche Agronomique, Maisons-Alfort, France
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21
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Billeter SA, Levy MG, Chomel BB, Breitschwerdt EB. Vector transmission of Bartonella species with emphasis on the potential for tick transmission. MEDICAL AND VETERINARY ENTOMOLOGY 2008; 22:1-15. [PMID: 18380649 DOI: 10.1111/j.1365-2915.2008.00713.x] [Citation(s) in RCA: 210] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Bartonella species are gram-negative bacteria that infect erythrocytes, endothelial cells and macrophages, often leading to persistent blood-borne infections. Because of the ability of various Bartonella species to reside within erythrocytes of a diverse number of animal hosts, there is substantial opportunity for the potential uptake of these blood-borne bacteria by a variety of arthropod vectors that feed on animals and people. Five Bartonella species are transmitted by lice, fleas or sandflies. However, Bartonella DNA has been detected or Bartonella spp. have been cultured from numerous other arthropods. This review discusses Bartonella transmission by sandflies, lice and fleas, the potential for transmission by other vectors, and data supporting transmission by ticks. Polymerase chain reaction (PCR) or culture methods have been used to detect Bartonella in ticks, either questing or host-attached, throughout the world. Case studies and serological or molecular surveys involving humans, cats and canines provide indirect evidence supporting transmission of Bartonella species by ticks. Of potential clinical relevance, many studies have proposed co-transmission of Bartonella with other known tick-borne pathogens. Currently, critically important experimental transmission studies have not been performed for Bartonella transmission by many potential arthropod vectors, including ticks.
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Affiliation(s)
- S A Billeter
- Center for Comparative Medicine and Transitional Research, North Carolina State University College of Veterinary Medicine, Raleigh, North Carolina 27606, USA
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22
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Podsiadly E, Chmielewski T, Sochon E, Tylewska-Wierzbanowska S. Bartonella henselae in Ixodes ricinus ticks removed from dogs. Vector Borne Zoonotic Dis 2007; 7:189-92. [PMID: 17627437 DOI: 10.1089/vbz.2006.0587] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Bartonella spp. is an etiologic agent of vector-borne infections. Bartonella spp. was searched for in adult Ixodes ricinus ticks removed from dogs and cats using specific polymerase chain reaction (PCR) and sequence analysis of gltA gene. Bartonella henselae DNA was detected in 5 of 102 tested ticks. All PCR-positive ticks were removed from dogs. Four of were engorged, one was unfed. The data demonstrate that B. henselae is able to inhabit ticks. This is the first report about the existence of B. henselae in ticks removed from dogs. It is, however, an open issue that needs further investigation if ticks consist a new competent vector involved in transmission of bartonellosis.
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Kirillov MY, Markov AP, Lopyrev IV, Pankratova VN, Levitskii SA, Bashkirov VN, Smirnov GB, Kruglov AN, Osadchaya VA, Frolova GP, Barmina GV, Morozova OA, Kosoy MY. Molecular genetic techniques for typing of Bartonella isolates. MOLECULAR GENETICS MICROBIOLOGY AND VIROLOGY 2007. [DOI: 10.3103/s0891416807010028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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25
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Rar VA, Fomenko NV, Dobrotvorsky AK, Livanova NN, Rudakova SA, Fedorov EG, Astanin VB, Morozova OV. Tickborne pathogen detection, Western Siberia, Russia. Emerg Infect Dis 2006; 11:1708-15. [PMID: 16318722 PMCID: PMC3367347 DOI: 10.3201/eid1111.041195] [Citation(s) in RCA: 118] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Ixodes and Dermacentor ticks harbor Borrelia, Anaplasma/Ehrlichia, Bartonella, and Babesia species. Ixodes persulcatus (n = 125) and Dermacentor reticulatus (n = 84) ticks from Western Siberia, Russia, were tested for infection with Borrelia, Anaplasma/Ehrlichia, Bartonella, and Babesia spp. by using nested polymerase chain reaction assays with subsequent sequencing. I. persulcatus ticks were infected with Borrelia burgdorferi sensu lato (37.6% ± 4.3% [standard deviation]), Anaplasma phagocytophilum (2.4% ± 1.4%), Ehrlichia muris (8.8% ± 2.5%), and Bartonella spp. (37.6% ± 4.3%). D. reticulatus ticks contained DNA of B. burgdorferi sensu lato (3.6% ± 2.0%), Bartonella spp. (21.4% ± 4.5%), and Babesia canis canis (3.6% ± 2.0%). Borrelia garinii, Borrelia afzelii, and their mixed infections were observed among I. persulcatus, whereas B. garinii NT29 DNA was seen in samples from D. reticulatus. Among the I. persulcatus ticks studied, no Babesia spp. were observed, whereas B. canis canis was the single subspecies found in D. reticulatus.
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Affiliation(s)
- Vera A. Rar
- Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
| | - Natalia V. Fomenko
- Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
| | | | | | | | - Evgeniy G. Fedorov
- Center of Epidemiological Control of Novosibirsk Region, Novosibirsk, Russia
| | - Vadim B. Astanin
- Center of Epidemiological Control of Novosibirsk Region, Novosibirsk, Russia
| | - Olga V. Morozova
- Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
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