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Jaenson TGT, Gray JS, Lindgren PE, Wilhelmsson P. Coinfection of Babesia and Borrelia in the Tick Ixodes ricinus-A Neglected Public Health Issue in Europe? Pathogens 2024; 13:81. [PMID: 38251388 PMCID: PMC10818971 DOI: 10.3390/pathogens13010081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/09/2024] [Accepted: 01/15/2024] [Indexed: 01/23/2024] Open
Abstract
Ixodes ricinus nymphs and adults removed from humans, and larvae and nymphs from birds, have been analysed for infection with Babesia species and Borrelia species previously in separately published studies. Here, we use the same data set to explore the coinfection pattern of Babesia and Borrelia species in the ticks. We also provide an overview of the ecology and potential public health importance in Sweden of I. ricinus infected both with zoonotic Babesia and Borrelia species. Among 1952 nymphs and adult ticks removed from humans, 3.1% were PCR-positive for Babesia spp. Of these Babesia-positive ticks, 43% were simultaneously Borrelia-positive. Among 1046 immatures of I. ricinus removed from birds, 2.5% were Babesia-positive, of which 38% were coinfected with Borrelia species. This study shows that in I. ricinus infesting humans or birds in Sweden, potentially zoonotic Babesia protozoa sometimes co-occur with human-pathogenic Borrelia spp. Diagnostic tests for Babesia spp. infection are rarely performed in Europe, and the medical significance of this pathogen in Europe could be underestimated.
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Affiliation(s)
- Thomas G. T. Jaenson
- Evolutionary Biology Centre, Department of Organismal Biology, Uppsala University, Norbyvägen 18d, SE-752 36 Uppsala, Sweden;
| | - Jeremy S. Gray
- UCD School of Biology and Environmental Science, University College Dublin, D04 N2E5 Dublin, Ireland;
| | - Per-Eric Lindgren
- Division of Inflammation and Infection, Department of Biomedical and Clinical Sciences, Linköping University, SE-581 83 Linköping, Sweden;
- Department of Clinical Microbiology, Region Jönköping County, SE-551 11 Jönköping, Sweden
| | - Peter Wilhelmsson
- Division of Inflammation and Infection, Department of Biomedical and Clinical Sciences, Linköping University, SE-581 83 Linköping, Sweden;
- Department of Clinical Microbiology, Region Jönköping County, SE-551 11 Jönköping, Sweden
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Zamoto-Niikura A, Saigo A, Sato M, Kobayashi H, Sasaki M, Nakao M, Suzuki T, Morikawa S. The presence of Ixodes pavlovskyi and I. pavlovskyi-borne microorganisms in Rishiri Island: an ecological survey. mSphere 2023; 8:e0021323. [PMID: 37930050 PMCID: PMC10871164 DOI: 10.1128/msphere.00213-23] [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: 04/27/2023] [Accepted: 09/25/2023] [Indexed: 11/07/2023] Open
Abstract
IMPORTANCE Understanding the ecology of ticks and tick-borne microorganisms is important to assess the risk of emerging tick-borne diseases. Despite the fact that the Ixodes pavlovskyi tick bites humans, we lack information including population genetics and the reason for the inadequate distribution in Japan. A 5-year survey revealed that Rishiri Island, the main stopover in the East Asian Flyway of wild birds in the northern Sea of Japan, was a refuge of I. pavlovskyi. The I. pavlovskyi included two haplogroups, which were supposed to diverge a long time before the island separated from the continent and Hokkaido mainland. The detection of microorganisms from wildlife revealed that wild birds and rodents play a role in diffusion and settlement, respectively, of not only I. pavlovskyi but also I. pavlovskyi-borne microorganisms including Candidatus Ehrlichia khabarensis and Babesia microti US lineage. Various island-specific factors control I. pavlovskyi dominance and tick-borne pathogen maintenance. The results may enable us to explain how tick-borne infectious microorganisms are transported.
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Affiliation(s)
- Aya Zamoto-Niikura
- Management Department of Biosafety, Laboratory Animal and Pathogen Bank, National Institute of Infectious Diseases, Tokyo, Japan
| | - Akiko Saigo
- Management Department of Biosafety, Laboratory Animal and Pathogen Bank, National Institute of Infectious Diseases, Tokyo, Japan
| | | | - Hirotaka Kobayashi
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, Japan
| | | | | | - Tadaki Suzuki
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Shigeru Morikawa
- Department of Veterinary Medicine, Okayama University of Science, Okayama, Japan
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Ashour R, Hamza D, Kadry M, Sabry MA. Molecular detection of Babesia microti in dromedary camels in Egypt. Trop Anim Health Prod 2023; 55:91. [PMID: 36808565 PMCID: PMC9941264 DOI: 10.1007/s11250-023-03507-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 02/11/2023] [Indexed: 02/23/2023]
Abstract
Babesia microti (Apicomplexa: Piroplasmida) causes a medically important tick-borne zoonotic protozoan disease. Egyptian camels are susceptible to Babesia infection; however, just a few cases have been documented. This study aimed to identify Babesia species, specifically Babesia microti, and their genetic diversity in dromedary camels in Egypt and associated hard ticks. Blood and hard tick samples were taken from 133 infested dromedary camels slaughtered in Cairo and Giza abattoirs. The study was conducted from February to November 2021. The 18S rRNA gene was amplified by polymerase chain reaction (PCR) to identify Babesia species. Nested PCR targeting the β-tubulin gene was used to identify B. microti. The PCR results were confirmed by DNA sequencing. Phylogenetic analysis based on the ß-tubulin gene was used to detect and genotype B. microti. Three tick genera were identified in infested camels (Hyalomma, Rhipicephalus, and Amblyomma). Babesia species were detected in 3 out of 133 blood samples (2.3%), while Babesia spp. were not detected in hard ticks by using the 18S rRNA gene. B. microti was identified in 9 out of 133 blood samples (6.8%) and isolated from Rhipicephalus annulatus and Amblyomma cohaerens by the β-tubulin gene. The phylogenetic analysis of the β-tubulin gene revealed that USA-type B. microti was prevalent in Egyptian camels. The results of this study suggested that the Egyptian camels may be infected with Babesia spp. and the zoonotic B. microti strains, which pose a potential risk to public health.
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Affiliation(s)
- Radwa Ashour
- Department of Zoonoses, Faculty of Veterinary Medicine, Cairo University, P.O. Box 12211, Giza, Egypt
| | - Dalia Hamza
- Department of Zoonoses, Faculty of Veterinary Medicine, Cairo University, P.O. Box 12211, Giza, Egypt.
| | - Mona Kadry
- Department of Zoonoses, Faculty of Veterinary Medicine, Cairo University, P.O. Box 12211, Giza, Egypt
| | - Maha A. Sabry
- Department of Zoonoses, Faculty of Veterinary Medicine, Cairo University, P.O. Box 12211, Giza, Egypt
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Karshima SN, Karshima MN, Ahmed MI. Global meta-analysis on Babesia infections in human population: prevalence, distribution and species diversity. Pathog Glob Health 2021; 116:220-235. [PMID: 34788196 DOI: 10.1080/20477724.2021.1989185] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Human babesiosis is an emerging tick-borne protozoan zoonosis caused by parasites of the genus Babesia and transmitted by ixodid ticks. It was thought to be a public health problem mainly for the immunocompromised, however the increasing numbers of documented cases among immunocompetent individuals is a call for concern. In this systematic review and meta-analysis, we reported from 22 countries and 69 studies, an overall pooled estimate (PE) of 2.23% (95% CI: 1.46-3.39) for Babesia infections in humans. PEs for all sub-groups varied significantly (p < 0.05) with a continental range of 1.54% (95% CI: 0.89-2.65) in North America to 4.17% (95% CI: 2.11-8.06) in Europe. PEs for country income levels, methods of diagnosis, study period, sample sizes, Babesia species and targeted population ranged between 0.43% (95% CI: 0.41-0.44) and 7.41% (95% CI: 0.53-54.48). Babesia microti recorded the widest geographic distribution and was the predominant specie reported in North America while B. divergens was predominantly reported in Europe. Eight Babesia species; B. bigemina, B. bovis, B. crassa-like, B. divergens, B. duncani, B. microti, B. odocoilei and B. venatorum were reported in humans from different parts of the world with the highest prevalence in Europe, lower middle income countries and among individuals with history of tick bite and other tick-borne diseases. To control the increasing trend of this emerging public health threat, tick control in human settlements, the use of protective clothing by occupationally exposed people and the screening of transfusion blood in endemic countries are recommended.Abbreviations AJOL: African Journals OnLine, CI: Confidence interval, CIL: Country income level, df: Degree of freedom, HIC: Higher-income countries, HQ: High quality, I2: Inverse variance index, IFAT: Indirect fluorescent antibody test, ITBTBD: Individuals with tick-bite and tick-borne diseases, JBI: Joanna Briggs Institute, LIC: Lower-income countries, LMIC: Lower middle-income countries, MQ: Medium quality, NA: Not applicable, N/America: North America, OEI: Occupational exposed individuals, OR: Odds ratio, PE: Pooled estimates, PCR: Polymerase chain reaction, Prev: Prevalence, PRISMA: Preferred Reporting System for Systematic Reviews and Meta-Analyses, Q: Cochran's heterogeneity statistic, QA: Quality assessment, Q-p: Cochran's p-value, qPCR: Quantitative polymerase chain reaction, S/America: South America, Seq: Sequencing, UMIC: Upper middle-income countries, USA: United States of America.
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Affiliation(s)
- Solomon Ngutor Karshima
- Department of Veterinary Public Health and Preventive Medicine, University of Jos, Jos, Nigeria
| | | | - Musa Isiyaku Ahmed
- Department of Veterinary Parasitology and Entomology, Federal University of Agriculture, Zuru, Nigeria
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Karshima SN, Karshima MN, Ahmed MI. Infection rates, species diversity, and distribution of zoonotic Babesia parasites in ticks: a global systematic review and meta-analysis. Parasitol Res 2021; 121:311-334. [PMID: 34750651 DOI: 10.1007/s00436-021-07359-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 10/24/2021] [Indexed: 12/01/2022]
Abstract
Zoonotic Babesia species are emerging public health threats globally, and are the cause of a mild to severe malaria-like disease which may be life threatening in immunocompromised individuals. In this study, we determine the global infection rate, distribution, and the diversity of zoonotic Babesia species in tick vectors using a systematic review and meta-analysis. We used the random-effects model to pool data and determined quality of individual studies using the Joanna Briggs Institute critical appraisal instrument for prevalence studies, heterogeneity using Cochran's Q test, and across study bias using Egger's regression test. Herein, we reported a 2.16% (3915/175345, 95% CI: 1.76-2.66) global infection rate of zoonotic Babesia species (B. divergens, B. microti, and B. venatorum) in tick vectors across 36 countries and 4 continents. Sub-group infection rates ranged between 0.65% (95% CI: 0.09-4.49) and 3.70% (95% CI: 2.61-5.21). B. microti was the most prevalent (1.79%, 95% CI: 1.38-2.31) species reported in ticks, while Ixodes scapularis recorded the highest infection rate (3.92%, 95% CI: 2.55-5.99). Larvae 4.18% (95% CI: 2.15-7.97) and females 4.08% (95% CI: 2.56-6.43) were the tick stage and sex with the highest infection rates. The presence of B. divergens, B. microti, and B. venatorum in tick vectors as revealed by the present study suggests possible risk of transmission of these pathogens to humans, especially occupationally exposed population. The control of tick vectors through chemical and biological methods as well as the use of repellants and appropriate clothing by occupationally exposed population are suggested to curtail the epidemiologic, economic, and public health threats associated with this emerging public health crisis.
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Affiliation(s)
- Solomon Ngutor Karshima
- Department of Veterinary Public Health and Preventive Medicine, University of Jos, PMB 2084, Jos, Nigeria.
| | - Magdalene Nguvan Karshima
- Department of Parasitology and Entomology, Modibbo Adama University of Technology, Yola, PMB 2076, Yola, Adamawa State, Nigeria
| | - Musa Isiyaku Ahmed
- Department of Veterinary Parasitology and Entomology, Federal University of Agriculture, Zuru, PMB 28, Zuru, Kebbi State, Nigeria
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Ticks, Human Babesiosis and Climate Change. Pathogens 2021; 10:pathogens10111430. [PMID: 34832586 PMCID: PMC8625897 DOI: 10.3390/pathogens10111430] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 11/17/2022] Open
Abstract
The effects of current and future global warming on the distribution and activity of the primary ixodid vectors of human babesiosis (caused by Babesia divergens, B. venatorum and B. microti) are discussed. There is clear evidence that the distributions of both Ixodes ricinus, the vector in Europe, and I. scapularis in North America have been impacted by the changing climate, with increasing temperatures resulting in the northwards expansion of tick populations and the occurrence of I. ricinus at higher altitudes. Ixodes persulcatus, which replaces I. ricinus in Eurasia and temperate Asia, is presumed to be the babesiosis vector in China and Japan, but this tick species has not yet been confirmed as the vector of either human or animal babesiosis. There is no definite evidence, as yet, of global warming having an effect on the occurrence of human babesiosis, but models suggest that it is only a matter of time before cases occur further north than they do at present.
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Bajer A, Dwużnik-Szarek D. The specificity of Babesia-tick vector interactions: recent advances and pitfalls in molecular and field studies. Parasit Vectors 2021; 14:507. [PMID: 34583754 PMCID: PMC8480096 DOI: 10.1186/s13071-021-05019-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/14/2021] [Indexed: 12/20/2022] Open
Abstract
Background Babesia spp. are protozoan parasites of great medical and veterinary importance, especially in the northern Hemisphere. Ticks are known vectors of Babesia spp., although some Babesia-tick interactions have not been fully elucidated. Methods The present review was performed to investigate the specificity of Babesia-tick species interactions that have been identified using molecular techniques in studies conducted in the last 20 years under field conditions. We aimed to indicate the main vectors of important Babesia species based on published research papers (n = 129) and molecular data derived from the GenBank database. Results Repeated observations of certain Babesia species in specific species and genera of ticks in numerous independent studies, carried out in different areas and years, have been considered epidemiological evidence of established Babesia-tick interactions. The best studied species of ticks are Ixodes ricinus, Dermacentor reticulatus and Ixodes scapularis (103 reports, i.e. 80% of total reports). Eco-epidemiological studies have confirmed a specific relationship between Babesia microti and Ixodes ricinus, Ixodes persulcatus, and Ixodes scapularis and also between Babesia canis and D. reticulatus. Additionally, four Babesia species (and one genotype), which have different deer species as reservoir hosts, displayed specificity to the I. ricinus complex. Eco-epidemiological studies do not support interactions between a high number of Babesia spp. and I. ricinus or D. reticulatus. Interestingly, pioneering studies on other species and genera of ticks have revealed the existence of likely new Babesia species, which need more scientific attention. Finally, we discuss the detection of Babesia spp. in feeding ticks and critically evaluate the data on the role of the latter as vectors. Conclusions Epidemiological data have confirmed the specificity of certain Babesia-tick vector interactions. The massive amount of data that has been thus far collected for the most common tick species needs to be complemented by more intensive studies on Babesia infections in underrepresented tick species. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13071-021-05019-3.
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Affiliation(s)
- Anna Bajer
- Department of Eco-Epidemiology of Parasitic Diseases, Institute of Developmental Biology and Biomedical Sciences, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096, Warsaw, Poland.
| | - Dorota Dwużnik-Szarek
- Department of Eco-Epidemiology of Parasitic Diseases, Institute of Developmental Biology and Biomedical Sciences, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096, Warsaw, Poland
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Seo JW, Han SY, Sung SH, Jung EY, Kim JH, Lee SJ, Yoo SS. Survey on tick distribution and tick-borne pathogens in Daejeon and adjacent areas in South Korea. Ticks Tick Borne Dis 2021; 12:101711. [PMID: 33774480 DOI: 10.1016/j.ttbdis.2021.101711] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 03/04/2021] [Accepted: 03/05/2021] [Indexed: 11/26/2022]
Abstract
Ticks (Ixodidae, also known as hard ticks) as principal vectors of zoonotic diseases such as severe fever with thrombocytopenia syndrome (SFTS), Lyme borreliosis, relapsing fever, anaplasmosis, ehrlichiosis, babesiosis, coxiellosis (Q fever), and tularemia pose a major public health threat. This study was conducted to identify the distribution profile of ticks and tick-borne pathogens in Daejeon and the adjacent areas in South Korea, where no such epidemiological study has been conducted. From April to October 2019, 16,765 ticks were collected from three genera and four species: Haemaphysalis longicornis (n = 14,949; 89.2 %), Haemaphysalis flava (n = 987; 5.9 %), Ixodes nipponensis (n = 828; 5.0 %), and Amblyomma testudinarium (n = 1; 0.01 %). Homogenized samples of ticks were screened by real-time reverse transcription polymerase chain reaction (PCR), real-time PCR, and PCR for the presence of the following tick-borne pathogens: SFTS virus (SFTSV), Borrelia spp., Babesia microti, Coxiella burnetii, Francisella tularensis, Anaplasma phagocytophilum, and Ehrlichia spp. As a result, SFTSV (2 cases), Borrelia spp. (32 cases), and Babesia microti (7 cases) were detected. The findings of this study will contribute to the prevention and management of tick-borne zoonoses.
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Affiliation(s)
- Jin-Woo Seo
- Daejeon Metropolitan City Institute of Health and Environment, 407 Daehak-ro, Yuseong-gu, Daejeon, 34142, Republic of Korea.
| | - So-Young Han
- Daejeon Metropolitan City Institute of Health and Environment, 407 Daehak-ro, Yuseong-gu, Daejeon, 34142, Republic of Korea
| | - Sun-Hye Sung
- Daejeon Metropolitan City Institute of Health and Environment, 407 Daehak-ro, Yuseong-gu, Daejeon, 34142, Republic of Korea
| | - Eun-Young Jung
- Daejeon Metropolitan City Institute of Health and Environment, 407 Daehak-ro, Yuseong-gu, Daejeon, 34142, Republic of Korea
| | - Jong-Ho Kim
- Daejeon Metropolitan City Institute of Health and Environment, 407 Daehak-ro, Yuseong-gu, Daejeon, 34142, Republic of Korea
| | - Seok-Ju Lee
- Daejeon Metropolitan City Institute of Health and Environment, 407 Daehak-ro, Yuseong-gu, Daejeon, 34142, Republic of Korea
| | - Sang-Sik Yoo
- Daejeon Metropolitan City Institute of Health and Environment, 407 Daehak-ro, Yuseong-gu, Daejeon, 34142, Republic of Korea
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Onyiche TE, Răileanu C, Fischer S, Silaghi C. Global Distribution of Babesia Species in Questing Ticks: A Systematic Review and Meta-Analysis Based on Published Literature. Pathogens 2021; 10:230. [PMID: 33669591 PMCID: PMC7926846 DOI: 10.3390/pathogens10020230] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/17/2021] [Accepted: 02/17/2021] [Indexed: 01/30/2023] Open
Abstract
Babesiosis caused by the Babesia species is a parasitic tick-borne disease. It threatens many mammalian species and is transmitted through infected ixodid ticks. To date, the global occurrence and distribution are poorly understood in questing ticks. Therefore, we performed a meta-analysis to estimate the distribution of the pathogen. A deep search for four electronic databases of the published literature investigating the prevalence of Babesia spp. in questing ticks was undertaken and obtained data analyzed. Our results indicate that in 104 eligible studies dating from 1985 to 2020, altogether 137,364 ticks were screened with 3069 positives with an estimated global pooled prevalence estimates (PPE) of 2.10%. In total, 19 different Babesia species of both human and veterinary importance were detected in 23 tick species, with Babesia microti and Ixodesricinus being the most widely reported Babesia and tick species, respectively. Regardless of species, adult ticks with 2.60% had the highest infection rates, while larvae had the least with 0.60%. Similarly, female ticks with 4.90% were infected compared to males with 3.80%. Nested-polymerase chain reaction (PCR) 2.80% had the highest prevalence among the molecular techniques employed. In conclusion, results obtained indicate that Babesia species are present in diverse questing tick species at a low prevalence, of which some are competent vectors.
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Affiliation(s)
- ThankGod E. Onyiche
- Department of Veterinary Parasitology and Entomology, University of Maiduguri, P. M. B. 1069, Maiduguri 600230, Nigeria;
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany; (C.R.); (S.F.)
| | - Cristian Răileanu
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany; (C.R.); (S.F.)
| | - Susanne Fischer
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany; (C.R.); (S.F.)
| | - Cornelia Silaghi
- Institute of Infectology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany; (C.R.); (S.F.)
- Department of Biology, University of Greifswald, Domstrasse 11, 17489 Greifswald, Germany
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Elbaz E, Moustafa MAM, Lee K, Ching ALC, Shimozuru M, Sashika M, Nakao R, El-Khodery SA, Tsubota T. Utilizing attached hard ticks as pointers to the risk of infection by Babesia and Theileria species in sika deer (Cervus nippon yesoensis), in Japan. EXPERIMENTAL & APPLIED ACAROLOGY 2020; 82:411-429. [PMID: 33009646 DOI: 10.1007/s10493-020-00551-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 09/18/2020] [Indexed: 06/11/2023]
Abstract
Ticks are hematophagous ectoparasites that have a significant impact on their animal hosts. Along with mosquitoes, they are the main arthropod vectors of disease agents in domestic animals, wildlife and humans. To investigate the occurrence and prevalence of piroplasmids in ticks, DNA was extracted from 519 hard ticks collected from 116 hunted Hokkaido sika deer (Cervus nippon yesoensis). The success of the DNA extraction was confirmed by touchdown PCR targeting the mitochondrial 16S rDNA gene of ticks. Touchdown PCR and reverse line blot (RLB) hybridization targeting the 18S rRNA gene were used to detect 14 piroplasm species. All hard ticks parasitizing Hokkaido sika deer were identified as belonging to the genera Ixodes and Haemaphysalis. In total 163 samples (31.4%) were positive for Babesia and Theileria spp. among tick species according to RLB hybridization. Tick DNA hybridized to the oligonucleotide probes of Theileria sp. Thrivae (27.0% of ticks; 140/519), Theileria capreoli (10.6%; 55/519), Babesia divergens-like (1.7%; 9/519), Babesia sp. (Bab-SD) (0.6%; 3/519), Babesia microti U.S. (0.4%; 2/519), and B. microti Hobetsu (0.4%; 2/519). The partial sequencing and phylogenetic analyses of the 18S rRNA gene confirmed the RLB hybridization results. Further investigations are needed to reveal the epidemiology and respective vectors of these pathogens.
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Affiliation(s)
- Elzahara Elbaz
- Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, North 18 West 9, Sapporo, Hokkaido, 060-0818, Japan
- Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Mohamed Abdallah Mohamed Moustafa
- Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, North 18 West 9, Sapporo, Hokkaido, 060-0818, Japan
- Department of Animal Medicine, Faculty of Veterinary Medicine, South Valley University, Qena, Egypt
| | - Kyunglee Lee
- Cetacean Research Institute, National Institute of Fisheries Science, Ulsan, Republic of Korea
| | - Alice Lau Ching Ching
- Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, North 18 West 9, Sapporo, Hokkaido, 060-0818, Japan
| | - Michito Shimozuru
- Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, North 18 West 9, Sapporo, Hokkaido, 060-0818, Japan
| | - Mariko Sashika
- Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, North 18 West 9, Sapporo, Hokkaido, 060-0818, Japan
| | - Ryo Nakao
- Laboratory of Parasitology, Graduate School of Infectious Diseases, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan
| | - Sabry Ahmed El-Khodery
- Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Toshio Tsubota
- Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, North 18 West 9, Sapporo, Hokkaido, 060-0818, Japan.
- Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, North 18 West 9, Sapporo, Hokkaido, 060-0818, Japan.
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Yue C, Deng Z, Qi D, Li Y, Bi W, Ma R, Yang G, Luo X, Hou R, Liu S. First detection and molecular identification of Babesia sp. from the giant panda, Ailuropoda melanoleuca, in China. Parasit Vectors 2020; 13:537. [PMID: 33121531 PMCID: PMC7597363 DOI: 10.1186/s13071-020-04412-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 10/21/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Parasitic infections are among the important causes of death of giant pandas (Ailuropoda melanoleuca) that hamper their survival in the wild. There are about 35 species of parasites which have been identified in giant pandas, but no information is currently available regarding the infection of Babesia in giant pandas. Babesia spp. are common intraerythrocytic parasite in wildlife, transmitted by ixodid ticks, which cause babesiosis. Clinical signs of babesiosis include fever, hemolysis, anemia, jaundice and death. METHODS A species of Babesia was detected in the blood of a giant panda based on morphology and PCR amplification of the 18S rRNA gene. The phylogenetic relationship of Babesia sp. infecting giant panda was assessed by gene sequence alignment and phylogenetic analysis. RESULTS Our analysis revealed that the Babesia isolate detected was most similar to an unidentified species of Babesia identified in black bears (Ursus thibetanus japonicus) from Japan (Babesia sp. Iwate, AB586027.1) with a 99.56% sequence similarity, followed by Babesia sp. EBB (AB566229.1, 99.50%) and Babesia sp. Akita (AB566229.1, 99.07%). CONCLUSIONS To our knowledge, this is the first report of Babesia detected in the giant panda. The results indicate that this Babesia sp. may be a novel species, currently named Babesia sp. strain EBP01.
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Affiliation(s)
- Chanjuan Yue
- Sichuan Key Laboratory of Conservation Biology for Endangered Wildlife, Chengdu Research Base of Giant Panda Breeding, Sichuan Academy of Giant Panda, 1375 Panda Road, Chenghua District, 610081, Sichuan, China
| | - Zeshuai Deng
- Sichuan Key Laboratory of Conservation Biology for Endangered Wildlife, Chengdu Research Base of Giant Panda Breeding, Sichuan Academy of Giant Panda, 1375 Panda Road, Chenghua District, 610081, Sichuan, China
| | - Dunwu Qi
- Sichuan Key Laboratory of Conservation Biology for Endangered Wildlife, Chengdu Research Base of Giant Panda Breeding, Sichuan Academy of Giant Panda, 1375 Panda Road, Chenghua District, 610081, Sichuan, China
| | - Yunli Li
- Sichuan Key Laboratory of Conservation Biology for Endangered Wildlife, Chengdu Research Base of Giant Panda Breeding, Sichuan Academy of Giant Panda, 1375 Panda Road, Chenghua District, 610081, Sichuan, China
| | - Wenlei Bi
- Sichuan Key Laboratory of Conservation Biology for Endangered Wildlife, Chengdu Research Base of Giant Panda Breeding, Sichuan Academy of Giant Panda, 1375 Panda Road, Chenghua District, 610081, Sichuan, China
| | - Rui Ma
- Sichuan Key Laboratory of Conservation Biology for Endangered Wildlife, Chengdu Research Base of Giant Panda Breeding, Sichuan Academy of Giant Panda, 1375 Panda Road, Chenghua District, 610081, Sichuan, China
| | - Guangyou Yang
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xue Luo
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Rong Hou
- Sichuan Key Laboratory of Conservation Biology for Endangered Wildlife, Chengdu Research Base of Giant Panda Breeding, Sichuan Academy of Giant Panda, 1375 Panda Road, Chenghua District, 610081, Sichuan, China.
| | - Songrui Liu
- Sichuan Key Laboratory of Conservation Biology for Endangered Wildlife, Chengdu Research Base of Giant Panda Breeding, Sichuan Academy of Giant Panda, 1375 Panda Road, Chenghua District, 610081, Sichuan, China.
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12
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Transient Transfection of the Zoonotic Parasite Babesia microti. Pathogens 2020; 9:pathogens9020108. [PMID: 32050586 PMCID: PMC7169379 DOI: 10.3390/pathogens9020108] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 02/08/2020] [Accepted: 02/10/2020] [Indexed: 02/07/2023] Open
Abstract
The development of genetic manipulation techniques has been reported in many protozoan parasites over the past few years. However, these techniques have not been established for Babesia microti. Here, we report the first successful transient transfection of B. microti. The plasmids containing the firefly luciferase reporter gene were transfected into B. microti by an AMAXA 4D Nucleofection system. Twenty-four-hour synchronization, the 5'-actin promoter, program FA100, and 50 μg of plasmid DNA constituted the best conditions for the transient transfection of B. microti. This finding is the first step towards a stable transfection method for B. microti, which may contribute to a better understanding of the biology of the parasite.
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Abstract
Increases in tick-borne disease prevalence and transmission are important public health issues. Efforts to control these emerging diseases are frustrated by the struggle to control tick populations and to detect and treat infections caused by the pathogens that they transmit. This review covers tick-borne infectious diseases of nonrickettsial bacterial, parasitic, and viral origins. While tick surveillance and tracking inform our understanding of the importance of the spread and ecology of ticks and help identify areas of risk for disease transmission, the vectors are not the focus of this document. Here, we emphasize the most significant pathogens that infect humans as well as the epidemiology, clinical features, diagnosis, and treatment of diseases that they cause. Although detection via molecular or immunological methods has improved, tick-borne diseases continue to remain underdiagnosed, making the scope of the problem difficult to assess. Our current understanding of the incidence of tick-borne diseases is discussed in this review. An awareness of the diseases that can be transmitted by ticks in specific locations is key to detection and selection of appropriate treatment. As tick-transmitted pathogens are discovered and emerge in new geographic regions, our ability to detect, describe, and understand the growing public health threat must also grow to meet the challenge.
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Hong SH, Kim SY, Song BG, Rho JR, Cho CR, Kim CN, Um TH, Kwak YG, Cho SH, Lee SE. Detection and characterization of an emerging type of Babesia sp. similar to Babesia motasi for the first case of human babesiosis and ticks in Korea. Emerg Microbes Infect 2019; 8:869-878. [PMID: 31179860 PMCID: PMC6566668 DOI: 10.1080/22221751.2019.1622997] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Babesiosis is a tick-transmitted intraerythrocytic zoonosis. In Korea, the first mortalities were reported in 2005 due to Babesia sp. detection in sheep; herein we report epidemiological and genetic characteristics of a second case of babesiosis. Microscopic analysis of patient blood revealed polymorphic merozoites. To detect Babesia spp., PCR was performed using Babesia specific primers for β-tubulin, 18S rDNA, COB, and COX3 gene fragments. 18S rDNA analysis for Babesia sp., showed 98% homology with ovine Babesia sp. and with Babesia infections in Korea in 2005. Moreover, phylogenetic analysis of 18S rDNA, COB, and COX3 revealed close associations with B. motasi. For identifying the infectious agent, Haemaphysalis longicornis (296) and Haemaphysalis flava (301) were collected around the previous residence of the babesiosis patient. Babesia genes were identified in three H. longicornis: one sample was identified as B. microti and two samples were 98% homologous to B. motasi. Our study is the first direct confirmation of the infectious agent for human babesiosis. This case most likely resulted from tick bites from ticks near the patient house of the babesiosis patient. H. longicornis has been implicated as a vector of B. microti and other Babesia sp. infections.
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Affiliation(s)
- Sung-Hee Hong
- a Division of Vectors and Parasitic Diseases , Korea Center for Disease Control and Prevention , Cheongju , Korea
| | - Seong-Yoon Kim
- a Division of Vectors and Parasitic Diseases , Korea Center for Disease Control and Prevention , Cheongju , Korea
| | - Bong Goo Song
- a Division of Vectors and Parasitic Diseases , Korea Center for Disease Control and Prevention , Cheongju , Korea
| | - Jong-Rul Rho
- a Division of Vectors and Parasitic Diseases , Korea Center for Disease Control and Prevention , Cheongju , Korea
| | - Chong Rae Cho
- b Department of Laboratory Medicine , Inje University Ilsan Paik Hospital , Goyang , Korea
| | - Chul-Nam Kim
- c Department of Surgery , Inje University Ilsan Paik Hospital , Goyang , Korea
| | - Tae-Hyun Um
- b Department of Laboratory Medicine , Inje University Ilsan Paik Hospital , Goyang , Korea
| | - Yee Gyung Kwak
- d Department of Internal Medicine , Inje University Ilsan Paik Hospital , Goyang , Korea
| | - Shin-Hyeong Cho
- a Division of Vectors and Parasitic Diseases , Korea Center for Disease Control and Prevention , Cheongju , Korea
| | - Sang-Eun Lee
- a Division of Vectors and Parasitic Diseases , Korea Center for Disease Control and Prevention , Cheongju , Korea
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15
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Sato K, Takano A, Gaowa, Ando S, Kawabata H. Epidemics of tick-borne infectious diseases in Japan. ACTA ACUST UNITED AC 2019. [DOI: 10.7601/mez.70.3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Kozue Sato
- National Institute of Infectious Diseases
| | - Ai Takano
- Joint Faculty of Veterinary Medicine, Yamaguchi University
| | - Gaowa
- Department of Medicine, Hetao College
| | - Shuji Ando
- National Institute of Infectious Diseases
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16
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The Babesia divergens Asia Lineage Is Maintained through Enzootic Cycles between Ixodes persulcatus and Sika Deer in Hokkaido, Japan. Appl Environ Microbiol 2018; 84:AEM.02491-17. [PMID: 29374041 DOI: 10.1128/aem.02491-17] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 01/24/2018] [Indexed: 12/20/2022] Open
Abstract
Parasites of the Babesiadivergens Asia lineage, which are closely related to B. divergens in Europe and Babesia sp. strain MO1 in the United States, were recently reported in sika deer (Cervus nippon) in eastern Japan. To identify the tick vector(s) for this parasite, we conducted a field survey in Hokkaido, Japan, where the infection rate in sika deer is the highest in the country. A specific PCR system which detects and discriminates between lineages within B. divergens and between those lineages and Babesia venatorum showed that Ixodes persulcatus (11/822), but not sympatric Ixodes ovatus (0/595) or Haemaphysalis sp. (0/163) ticks, carried B. divergens Asia lineage. Genomic DNA was archived from salivary glands of partially engorged I. persulcatus females and three isolates of B. divergens Asia lineage were newly described. The 18S rRNA gene sequence of the isolates formed the Asia lineage cluster with those previously described in sika deer isolates. One salivary gland also contained parasites of Babesia microti U.S. lineage, which were subsequently isolated in a hamster in vivoB. venatorum (strain Etb5) was also detected in one I. persulcatus tick. The 18S rRNA sequence of Etb5 was 99.7% identical to that of B. venatorum (AY046575) and was phylogenetically positioned in a taxon composed of B. venatorum isolates from Europe, China, and Russia. The geographical distribution of I. persulcatus is consistent with that of B. divergens in sika deer in Japan. These results suggest that I. persulcatus is a principal vector for B. divergens in Japan and Eurasia, where I. persulcatus is predominantly distributed.IMPORTANCE The Babesiadivergens Asia lineage of parasites closely related to B. divergens in Europe and Babesia sp. MO1 in the United States was recently reported in Cervus nippon in eastern Japan. In this study, specific PCR for the Asia lineage identified 11 positives in 822 host-seeking Ixodes persulcatus ticks, a principal vector for many tick-borne disease agents. Gene sequences of three isolates obtained from DNA in salivary glands of female ticks were identical to each other and to those in C. nippon We also demonstrate the coinfection of B. divergens Asia lineage with Babesia microti U.S. lineage in a tick salivary gland and, furthermore, isolated the latter in a hamster. These results suggest that I. persulcatus is the principal vector for B. divergens as well as for B. microti, and both parasites may be occasionally cotransmitted by I. persulcatus This report will be important for public health, since infection may occur through transfusion.
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17
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Sayama Y, Zamoto-Niikura A, Matsumoto C, Saijo M, Ishihara C, Matsubayashi K, Nagai T, Satake M. Analysis of antigen-antibody cross-reactivity among lineages and sublineages of Babesia microti parasites using human babesiosis specimens. Transfusion 2018. [PMID: 29524239 DOI: 10.1111/trf.14558] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Human babesiosis is caused mainly by Babesia microti and has recently become a public health concern due to an increase in transfusion-transmitted infection. Thus, the development of an antibody detection method with high specificity and sensitivity is a priority. Seroreactivity against B. microti has been reported to be highly specific not only to B. microti lineages but also to sublineages. This study aimed to elucidate the human antibody reactivity against various lineages, including US, Kobe, and Hobetsu, and sublineages (North America and East Asia) in the US lineage. STUDY DESIGN AND METHODS Twenty samples obtained from individuals infected with B. microti in the United States were tested for the presence of anti-B. microti antibodies using indirect immunofluorescence assay (IFA) and Western blotting (WB) to indicate antigens of each (sub-)lineage. RESULTS By IFA, 20 samples showed reactivity to the North America sublineage (titer range, 64-4096), 16 to the East Asia sublineage (64-512), 10 to the Kobe (64-128), and five to the Hobetsu (64). Antibody titers to the East Asia sublineage, Kobe, and Hobetsu were significantly lower than those to the North America sublineage (p < 0.01). By WB, in parallel with the IFA results, 18 samples showed strong reactions to the North America sublineage, weak reactions to the East Asia sublineage, and near-zero reactions to the Kobe and Hobetsu. CONCLUSION Human antibodies induced by B. microti infection are highly specific against B. microti lineages and sublineages with low cross-reactivity. Developing a precise antibody detection method may require specific antigens based on B. microti lineages and sublineages.
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Affiliation(s)
- Yusuke Sayama
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, National Institute of Infectious Diseases, Tokyo, Japan.,Department of Virology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Aya Zamoto-Niikura
- Division of Experimental Animal Diseases, National Institute of Infectious Diseases, Tokyo, Japan
| | - Chieko Matsumoto
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, National Institute of Infectious Diseases, Tokyo, Japan
| | - Masayuki Saijo
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Chiaki Ishihara
- School of Veterinary Medicine, Rakuno-Gakuen University, Ebetsu, Japan
| | - Keiji Matsubayashi
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, National Institute of Infectious Diseases, Tokyo, Japan
| | - Tadashi Nagai
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, National Institute of Infectious Diseases, Tokyo, Japan
| | - Masahiro Satake
- Central Blood Institute, Blood Service Headquarters, Japanese Red Cross Society, National Institute of Infectious Diseases, Tokyo, Japan
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18
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Wu J, Cao J, Zhou Y, Zhang H, Gong H, Zhou J. Evaluation on Infectivity of Babesia microti to Domestic Animals and Ticks Outside the Ixodes Genus. Front Microbiol 2017; 8:1915. [PMID: 29056929 PMCID: PMC5635051 DOI: 10.3389/fmicb.2017.01915] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Accepted: 09/20/2017] [Indexed: 11/13/2022] Open
Abstract
Babesiosis caused by Babesia microti parasite is an emerging tick borne zoonotic disease that was confirmed recently in China. To understand the epidemiology characteristics of this emerging disease, infectivity of B. microti to domestic animals and ticks outside the genus Ixodes was evaluated in this study. Different domestic animals, chick, pig, goat, dog and the reference host rat were experimentally inoculated with B. microti-infected erythrocytes and the parasite infection was monitored daily by blood smear observation, real-time PCR detection, nested-PCR and special antibody responses during 55 days period. The results showed that rats infected with B. microti showed a typical sustained infection with strongly antibody responses; however, both goats and dogs infected with B. microti only showed transient antibody responses and the parasite was not found by blood smear observation or PCR; neither the parasite nor the special antibodies were detected in experimental chicks and pigs. On the other hand, the present study also experimentally investigated the infectivity of B. microti to Rhipicephalus haemaphysaloides, Haemaphysalis longicornis, and Hyalomma asiaticum three species of ticks outside the genus Ixodes and the transmission experiment of B. microti between H. longicornis ticks and mice. Results showed that B. microti can be detected in the nymph and adult of these species after molting from engorged tick fed on infected mice, but the parasite was not detected in larvae hatching from eggs of engorged female tick fed on the infected mice. Transmission of B. microti to mice by infected H. longicornis nymphs was confirmed. These results indicated that these domestic animals do not have reservoir competence for B. microti, however, three species of ticks out of the genus Ixodes, common in China were successfully infected by B. microti, with H. longicornis showing the potential of transmitting the parasite to the vertebrate host.
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Affiliation(s)
- Jiajun Wu
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Jie Cao
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Yongzhi Zhou
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Houshuang Zhang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Haiyan Gong
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Jinlin Zhou
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
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19
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Yamano K, Ito T, Kiyanagi K, Yamazaki H, Sugawara M, Saito T, Ohashi N, Zamoto-Niikura A, Sato K, Kawabata H. Case Report: Clinical Features of a Case of Suspected Borrelia miyamotoi Disease in Hokkaido, Japan. Am J Trop Med Hyg 2017; 97:84-87. [PMID: 28719293 DOI: 10.4269/ajtmh.16-0699] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
We herein report a case of suspected Borrelia miyamotoi disease in Hokkaido, Japan. The patient complained of lassitude, arthralgia, and high fever after a tick bite. Furthermore, at the time of consultation, the patient exhibited momentary loss of consciousness and low blood pressure. Laboratory tests revealed elevation of liver enzymes, thrombocytopenia, and increased C-reactive protein. Seroconversion to B. miyamotoi glycerophosphoryl diester phosphodiesterase antigen suggested the patient was infected with a relapsing fever group Borrelia species.
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Affiliation(s)
- Kimiaki Yamano
- Department of Infectious Diseases, Hokkaido Institute of Public Health, Sapporo Japan
| | - Takuya Ito
- Department of Infectious Diseases, Hokkaido Institute of Public Health, Sapporo Japan
| | - Kaori Kiyanagi
- Clinical Laboratory, Higashiasahikawa Hospital, Higashiasahikawa, Asahikawa, Japan
| | - Hirotaka Yamazaki
- General Internal Medicine, Higashiasahikawa Hospital, Higashiasahikawa, Asahikawa, Japan
| | - Mutsubu Sugawara
- General Internal Medicine, Higashiasahikawa Hospital, Higashiasahikawa, Asahikawa, Japan
| | - Takashige Saito
- General Internal Medicine, Higashiasahikawa Hospital, Higashiasahikawa, Asahikawa, Japan
| | - Norio Ohashi
- Department of Food and Nutritional Sciences, School of Food and Nutritional Sciences, University of Shizuoka, Shizuoka, Japan
| | - Aya Zamoto-Niikura
- Division of Experimental Animal Research, National Institute of Infectious Diseases, Tokyo 208-0011, Japan
| | - Kozue Sato
- Department of Bacteriology-I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hiroki Kawabata
- Department of Bacteriology-I, National Institute of Infectious Diseases, Tokyo, Japan
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20
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Wei F, Song M, Liu H, Wang B, Wang S, Wang Z, Ma H, Li Z, Zeng Z, Qian J, Liu Q. Molecular Detection and Characterization of Zoonotic and Veterinary Pathogens in Ticks from Northeastern China. Front Microbiol 2016; 7:1913. [PMID: 27965644 PMCID: PMC5126052 DOI: 10.3389/fmicb.2016.01913] [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: 09/18/2016] [Accepted: 11/15/2016] [Indexed: 01/09/2023] Open
Abstract
Tick-borne diseases are considered as emerging infectious diseases in humans and animals in China. In this study, Ixodes persulcatus (n = 1699), Haemaphysalis concinna (n = 412), Haemaphysalis longicornis (n = 390), Dermacentor nuttalli (n = 253), and Dermacentor silvarum (n = 204) ticks were collected by flagging from northeastern China, and detected for infection with Anaplasma, Ehrlichia, Babesia, and Hepatozoon spp. by using nested polymerase chain reaction assays and sequencing analysis. Anaplasma phagocytophilum was detected in all tick species, i.e., I. persulcatus (9.4%), H. longicornis (1.9%), H. concinna (6.5%), D. nuttalli (1.7%), and D. silvarum (2.3%); Anaplasma bovis was detected in H. longicornis (0.3%) and H. concinna (0.2%); Ehrlichia muris was detected in I. persulcatus (2.5%) and H. concinna (0.2%); Candidatus Neoehrlichia mikurensis was only detected in I. persulcatus (0.4%). The Ehrlichia variant (GenBank access number KU921424), closely related to Ehrlichia ewingii, was found in H. longicornis (0.8%) and H. concinna (0.2%). I. persulcatus was infected with Babesia venatorum (1.2%), Babesia microti (0.6%), and Babesia divergens (0.6%). Additionally, four Babesia sequence variants (GenBank access numbers 862303–862306) were detected in I. persulcatus, H. longicornis, and H. concinna, which belonged to the clusters formed by the parasites of dogs, sheep, and cattle (B. gibsoni, B. motasi, and B. crassa). Two Hepatozoon spp. (GenBank access numbers KX016028 and KX016029) associated with hepatozoonosis in Japanese martens were found in the collected ticks (0.1–3.1%). These findings showed the genetic variability of Anaplasma, Ehrlichia, Babesia, and Hepatozoon spp. circulating in ticks in northeastern China, highlighting the necessity for further research of these tick-associated pathogens and their role in human and animal diseases.
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Affiliation(s)
- Feng Wei
- College of Life Science, Jilin Agricultural UniversityChangchun, China; Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Institute - Academy of Military Medical SciencesChangchun, China
| | - Mingxin Song
- College of Veterinary Medicine, Northeast Agricultural University Harbin, China
| | - Huanhuan Liu
- College of Life Science, Jilin Agricultural University Changchun, China
| | - Bo Wang
- Department of Pathology, The Second Clinical Medical School of Inner Mongolia University for the Nationalities, Inner Mongolia General Forestry Hospital Yakeshi, China
| | - Shuchao Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Institute - Academy of Military Medical Sciences Changchun, China
| | - Zedong Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Institute - Academy of Military Medical Sciences Changchun, China
| | - Hongyu Ma
- College of Life Science, Jilin Agricultural University Changchun, China
| | - Zhongyu Li
- College of Life Science, Jilin Agricultural University Changchun, China
| | - Zheng Zeng
- Center for Prevention and Control of Animal Diseases of Chongqing Chongqing, China
| | - Jun Qian
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Institute - Academy of Military Medical Sciences Changchun, China
| | - Quan Liu
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Military Veterinary Institute - Academy of Military Medical Sciences Changchun, China
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