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Banerjee S, Minshall N, Webb H, Carrington M. How are Trypanosoma brucei receptors protected from host antibody-mediated attack? Bioessays 2024; 46:e2400053. [PMID: 38713161 DOI: 10.1002/bies.202400053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 05/08/2024]
Abstract
Trypanosoma brucei is the causal agent of African Trypanosomiasis in humans and other animals. It maintains a long-term infection through an antigenic variation based population survival strategy. To proliferate in a mammal, T. brucei acquires iron and haem through the receptor mediated uptake of host transferrin and haptoglobin-hemoglobin respectively. The receptors are exposed to host antibodies but this does not lead to clearance of the infection. Here we discuss how the trypanosome avoids this fate in the context of recent findings on the structure and cell biology of the receptors.
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Affiliation(s)
- Sourav Banerjee
- Department of Biochemistry, University of Cambridge, Cambridge, UK
| | - Nicola Minshall
- Department of Biochemistry, University of Cambridge, Cambridge, UK
| | - Helena Webb
- Department of Biochemistry, University of Cambridge, Cambridge, UK
| | - Mark Carrington
- Department of Biochemistry, University of Cambridge, Cambridge, UK
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Arnuphapprasert A, Nugraheni YR, Khunmanee S, Kaewlamun W, Kaewthamasorn M. Seasonal dynamics and genetic characterization of bovine arthropod-borne parasites in Nan Province, Thailand with molecular identification of Anaplasma platys and Trypanosoma theileri. Comp Immunol Microbiol Infect Dis 2024; 107:102156. [PMID: 38457963 DOI: 10.1016/j.cimid.2024.102156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/25/2024] [Accepted: 02/28/2024] [Indexed: 03/10/2024]
Abstract
Virulent species or strains of hematophagous borne pathogens such as Anaplasma spp., Babesia spp., Theileria spp., and Trypanosoma spp., are lethal to susceptible animals or reduce their productivity on a global scale. Nonetheless, efforts to diagnose the causative agents and assess the genotypic profiles as well as quantify the parasite burden of aforementioned parasites across seasons remain limited. Therefore, the present investigation sought to elucidate the genotypic composition of Anaplasma spp., Babesia spp., Theileria spp., and Trypanosoma spp. The findings revealed heightened infection rates during the summer, manifesting a correlation between Trypanosoma spp. infection and seasonal fluctuations. Among the identified pathogens, Anaplasma marginale emerged as the most dominant species, while the occurrence of Anaplasma platys in Thai cattle was confirmed via the sequencing of the groEL gene. Moreover, the study successfully identified two lineages of Trypanosoma theileri. The findings of this investigation offer valuable insights that can inform the development of preventive strategies for vector-borne diseases, such as considering the appropriate use of insect repellent, mosquito or insect nets, or eliminating breeding places for insects in each season.
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Affiliation(s)
- Apinya Arnuphapprasert
- Veterinary Parasitology Research Unit, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Yudhi Ratna Nugraheni
- The International Graduate Program of Veterinary Science and Technology (VST), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand; Department of Parasitology, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Indonesia
| | - Sarawanee Khunmanee
- School of Agricultural Resources, Chulalongkorn University, Bangkok, Thailand
| | - Winai Kaewlamun
- School of Agricultural Resources, Chulalongkorn University, Bangkok, Thailand
| | - Morakot Kaewthamasorn
- Veterinary Parasitology Research Unit, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.
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Chávez-Larrea MA, Cholota-Iza C, Cueva-Villavicencio J, Yugcha-Díaz M, Ron-Román JW, Rodríguez-Cabezas A, Saegerman C, Reyna-Bello A. Molecular identification of Trypanosoma theileri (Laveran, 1902) in cattle from two slaughterhouses in Ecuador and its relation with other haemotropic agents. Front Vet Sci 2023; 10:1153069. [PMID: 37426080 PMCID: PMC10326842 DOI: 10.3389/fvets.2023.1153069] [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: 01/28/2023] [Accepted: 05/30/2023] [Indexed: 07/11/2023] Open
Abstract
Trypanosoma theileri is a worldwide distributed haemoparasite that has been reported throughout the American continent in various species, including bovines, buffaloes and bats. In bovines, high incidence of T. theileri can be harmful when associated with other infections or under stress situations. There is little information on this hemoflagellate in Ecuador, which prompted the study and molecular identification of the trypanosomes collected in two slaughtering centers. Between February and April 2021, a total of 218 samples of bovine blood were collected in abattoirs located in the Andean region of Quito (n = 83) and in the coastal region, in Santo Domingo (n = 135). Quito public Slaughterhouse is the biggest in Ecuador, and for that, they receive animals from all country; on the other hand, Santo Domingo's Slaughterhouse is a small one where mainly females from the region are sacrificed and some males. The samples were evaluated using two molecular tests, the PCR cathepsin L-like (CatL) specific for T. theileri and for the positive samples, a Nested PCR that targets the ITS of the 18S gene. The corresponding PCR products were sequenced, analyzed by BLAST/NCBI and the sequences were used to build a concatenated phylogenetic tree, using the MEGA XI software. Overall, 34 out of the 218 samples, (15.6%) were positive to T. theileri by PCR CatL, resulting from 20/83 (24.1%) positives from the Quito abattoir and 14/135 (10.4%) from the Santo Domingo slaughterhouse. These prevalence rates were found to be significantly different (p = 0.006). According to the phylogenetic tree based on the CatL and ITS concatenated sequences (n = 13), the two novel Equatorial T. theileri isolates, ThI (n = 7) and ThII (n = 6) are closely related and associated to the IC, IB and IIB genotypes, present in Brazil, Venezuela and Colombia. Thirty-one out of the thirty-four T. theileri-positive bovines were co-infected with other haemotropic pathogens, Anaplasma marginale Babesia spp and T. vivax. This coinfection could be responsible for additional pathologies and harmful effects on the affected cattle. This study presents the molecular identification and genotypification of T. theileri isolated from cattle in Ecuador through the analysis of CAtL and ITS sequences, and the high frequency of coinfection of this hemoflagellate with other blood haemotropic organisms.
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Affiliation(s)
- María Augusta Chávez-Larrea
- Research Unit of Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR-ULiège), Department of Infections and Parasitic Diseases, Fundamental and Applied Research for Animal and Health (FARAH) Center, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Carrera de Ingeniería en Biotecnología, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
| | - Cristina Cholota-Iza
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Carrera de Ingeniería en Biotecnología, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
| | - Jorge Cueva-Villavicencio
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Carrera de Ingeniería en Biotecnología, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
| | - Michelle Yugcha-Díaz
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Carrera de Ingeniería en Biotecnología, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
| | - Jorge Washington Ron-Román
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Carrera de Ingeniería Agropecuaria, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
| | - Andrea Rodríguez-Cabezas
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Carrera de Ingeniería en Biotecnología, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
| | - Claude Saegerman
- Research Unit of Epidemiology and Risk Analysis Applied to Veterinary Sciences (UREAR-ULiège), Department of Infections and Parasitic Diseases, Fundamental and Applied Research for Animal and Health (FARAH) Center, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Armando Reyna-Bello
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Carrera de Ingeniería en Biotecnología, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador
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A novel metabarcoded deep amplicon sequencing tool for disease surveillance and determining the species composition of Trypanosoma in cattle and other farm animals. Acta Trop 2022; 230:106416. [PMID: 35317999 DOI: 10.1016/j.actatropica.2022.106416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 11/21/2022]
Abstract
The World Health Organization (WHO) and the Food and Agriculture Organization (FAO) have developed strategies to control trypanosomiasis in humans and livestock in endemic areas. These require a better understanding of the distribution of different Trypanosoma species and improved predictions of where they might appear in the future, based on accurate diagnosis and robust surveillance systems. Here, we describe a metabarcoding deep amplicon sequencing method to identify and determine the Trypanosoma species in co-infecting communities. First, four morphological verified Trypanosoma species (T. brucei, T. congolense, T. vivax and T. theileri) were used to prepare test DNA pools derived from different numbers of parasites to evaluate the method's detection threshold for each of the four species and to assess the accuracy of their proportional quantification. Having demonstrated the accurate determination of species composition in Trypanosoma communities, the method was applied to determine its detection threshold using blood samples collected from cattle with confirmed Trypanosoma infections based on a PCR assay. Each sample showed a different Trypanosoma species composition based on the proportion of MiSeq reads. Finally, we applied the assay to field samples to develop new insight into the species composition of Trypanosoma communities in cattle, camels, buffalo, horses, sheep, and goat in endemically infected regions of Pakistan. We confirmed that Trypanosoma evansi is the major species in Pakistan and for the first time showed the presence of Trypanosoma theileri. The metabarcoding deep amplicon sequencing method and bioinformatics pathway have several potential applications in animal and human research, including evaluation of drug treatment responses, understanding of the emergence and spread of drug resistance, and description of species interactions during co-infections and determination of host and geographic distribution of trypanosomiasis in humans and livestock.
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Rosyadi I, Setsuda A, Eliakunda M, Takano A, Maeda K, Saito-Ito A, Suzuki K, Sato H. Genetic diversity of cervid Trypanosoma theileri in Honshu sika deer ( Cervus nippon) in Japan. Parasitology 2021; 148:1636-1647. [PMID: 34311794 PMCID: PMC11010218 DOI: 10.1017/s0031182021001360] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 07/15/2021] [Accepted: 07/16/2021] [Indexed: 11/07/2022]
Abstract
The taxonomy of ruminant Trypanosoma theileri and its relatives (Kinetoplastida: Trypanosomatidae) is controversial, with recent phylogenetic studies segregating T. theileri in cattle and other ruminants worldwide into two major genetic lineages (the TthI and TthII clades) based on genetic markers. In the present study, T. theileri-like trypanosomes isolated from Honshu sika deer (Cervus nippon) in the western Japan (YMG isolate) were genetically characterized using a number of genetic markers. Sika deer trypanosomes of the YMG isolate were genetically different from the Trypanosoma sp. TSD1 isolate previously recorded from Hokkaido sika deer in northern Japan, with the former trypanosome isolate being genetically closer to European cervid trypanosomes and the bovine T. theileri TthII lineage. In contrast, the latter isolate exhibited greater relatedness to North American cervid trypanosomes and the bovine T. theileri TthI lineage, although a clear genetic distinction between these was apparent. Furthermore, trypanosomes in Honshu sika deer from the central part of Japan harboured additional genetic diversity and were closer to either TSD1 or YMG isolates, while distinct from known T. theileri-related genotypes. Importantly, cervids and wild ruminants worldwide might harbour divergent descendants of a T. theileri ancestor, which exhibit rigid host specificity to either bovines or cervid species.
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Affiliation(s)
- Imron Rosyadi
- Laboratory of Parasitology, Joint Graduate School of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi753-8515, Japan
| | - Aogu Setsuda
- Department of Pathological and Preventive Veterinary Science, United Graduate School of Veterinary Science, Yamaguchi University, 1677-1 Yoshida, Yamaguchi753-8515, Japan
| | - Mafie Eliakunda
- Department of Pathological and Preventive Veterinary Science, United Graduate School of Veterinary Science, Yamaguchi University, 1677-1 Yoshida, Yamaguchi753-8515, Japan
| | - Ai Takano
- Department of Pathological and Preventive Veterinary Science, United Graduate School of Veterinary Science, Yamaguchi University, 1677-1 Yoshida, Yamaguchi753-8515, Japan
- Division of Pathogenic Microorganisms, Research Center for Thermotolerant Microbial Resources, Yamaguchi University, 1677-1 Yoshida, Yamaguchi753-8515, Japan
| | - Ken Maeda
- Department of Pathological and Preventive Veterinary Science, United Graduate School of Veterinary Science, Yamaguchi University, 1677-1 Yoshida, Yamaguchi753-8515, Japan
- Division of Pathogenic Microorganisms, Research Center for Thermotolerant Microbial Resources, Yamaguchi University, 1677-1 Yoshida, Yamaguchi753-8515, Japan
| | - Atsuko Saito-Ito
- Section of Microbiology, School of Pharmacy, Hyogo University of Health Sciences, 1-3-6 Minatojima, Chuo-ku, Kobe, Hyogo650-8530, Japan
| | - Kazuo Suzuki
- Hikiiwa Park Center, 1629 Inari-cho, Tanabe, Wakayama646-0051, Japan
| | - Hiroshi Sato
- Laboratory of Parasitology, Joint Graduate School of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi753-8515, Japan
- Department of Pathological and Preventive Veterinary Science, United Graduate School of Veterinary Science, Yamaguchi University, 1677-1 Yoshida, Yamaguchi753-8515, Japan
- Division of Pathogenic Microorganisms, Research Center for Thermotolerant Microbial Resources, Yamaguchi University, 1677-1 Yoshida, Yamaguchi753-8515, Japan
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Medkour H, Castaneda S, Amona I, Fenollar F, André C, Belais R, Mungongo P, Muyembé-Tamfum JJ, Levasseur A, Raoult D, Davoust B, Mediannikov O. Potential zoonotic pathogens hosted by endangered bonobos. Sci Rep 2021; 11:6331. [PMID: 33737691 PMCID: PMC7973442 DOI: 10.1038/s41598-021-85849-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 03/05/2021] [Indexed: 12/18/2022] Open
Abstract
Few publications, often limited to one specific pathogen, have studied bonobos (Pan paniscus), our closest living relatives, as possible reservoirs of certain human infectious agents. Here, 91 stool samples from semicaptive bonobos and bonobos reintroduced in the wild, in the Democratic Republic of the Congo, were screened for different infectious agents: viruses, bacteria and parasites. We showed the presence of potentially zoonotic viral, bacterial or parasitic agents in stool samples, sometimes coinfecting the same individuals. A high prevalence of Human mastadenoviruses (HAdV-C, HAdV-B, HAdV-E) was observed. Encephalomyocarditis viruses were identified in semicaptive bonobos, although identified genotypes were different from those identified in the previous fatal myocarditis epidemic at the same site in 2009. Non-pallidum Treponema spp. including symbiotic T. succinifaciens, T. berlinense and several potential new species with unknown pathogenicity were identified. We detected DNA of non-tuberculosis Mycobacterium spp., Acinetobacter spp., Salmonella spp. as well as pathogenic Leptospira interrogans. Zoonotic parasites such as Taenia solium and Strongyloides stercoralis were predominantly present in wild bonobos, while Giardia lamblia was found only in bonobos in contact with humans, suggesting a possible exchange. One third of bonobos carried Oesophagostomum spp., particularly zoonotic O. stephanostomum and O. bifurcum-like species, as well as other uncharacterized Nematoda. Trypanosoma theileri has been identified in semicaptive bonobos. Pathogens typically known to be transmitted sexually were not identified. We present here the results of a reasonably-sized screening study detecting DNA/RNA sequence evidence of potentially pathogenic viruses and microorganisms in bonobo based on a noninvasive sampling method (feces) and focused PCR diagnostics.
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Affiliation(s)
- Hacène Medkour
- Aix Marseille Univ, IRD, AP-HM, MEPHI, IHU-Méditerranée Infection, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
| | - Sergei Castaneda
- Aix Marseille Univ, IRD, AP-HM, MEPHI, IHU-Méditerranée Infection, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
| | - Inestin Amona
- IHU-Méditerranée Infection, Marseille, France
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, IHU-Méditerranée Infection, Marseille, France
| | - Florence Fenollar
- IHU-Méditerranée Infection, Marseille, France
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, IHU-Méditerranée Infection, Marseille, France
| | - Claudine André
- Les Amis des Bonobos du Congo, Kinshasa, Democratic Republic of the Congo
| | - Raphaël Belais
- Les Amis des Bonobos du Congo, Kinshasa, Democratic Republic of the Congo
| | - Paulin Mungongo
- Les Amis des Bonobos du Congo, Kinshasa, Democratic Republic of the Congo
| | | | - Anthony Levasseur
- IHU-Méditerranée Infection, Marseille, France
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, IHU-Méditerranée Infection, Marseille, France
| | - Didier Raoult
- Aix Marseille Univ, IRD, AP-HM, MEPHI, IHU-Méditerranée Infection, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
| | - Bernard Davoust
- Aix Marseille Univ, IRD, AP-HM, MEPHI, IHU-Méditerranée Infection, Marseille, France
- IHU-Méditerranée Infection, Marseille, France
| | - Oleg Mediannikov
- Aix Marseille Univ, IRD, AP-HM, MEPHI, IHU-Méditerranée Infection, Marseille, France.
- IHU-Méditerranée Infection, Marseille, France.
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Molecular detection of Trypanosoma spp. in Lipoptena cervi and Lipoptena fortisetosa (Diptera: Hippoboscidae) and their potential role in the transmission of pathogens. Parasitology 2020; 147:1629-1635. [PMID: 32867872 DOI: 10.1017/s0031182020001584] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The family Hippoboscidae is a less known group of blood-sucking flies. Deer ked are particularly important for animal health; they may act as potential vectors of disease to ungulates, and may transmit pathogens to animals and humans. The aim of this study was to investigate the presence of Trypanosoma (Megatrypanum) DNA in deer keds using molecular methods. Results prove the presence of Megatrypanum trypanosome DNA in the studied winged adult deer keds and this is the first detection of this pathogen in Lipoptena fortisetosa. In addition, this paper evidences the occurrence of L. fortisetosa in two new locations: one in the Białowieża Primeval Forest, and another in the Strzałowo Forest Inspectorate (Piska Forest), both in north-eastern Poland.
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Garcia Pérez HA, Rodrigues CMF, Pivat IHV, Fuzato ACR, Camargo EP, Minervino AHH, Teixeira MMG. High Trypanosoma vivax infection rates in water buffalo and cattle in the Brazilian Lower Amazon. Parasitol Int 2020; 79:102162. [PMID: 32565339 DOI: 10.1016/j.parint.2020.102162] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 03/03/2020] [Accepted: 06/16/2020] [Indexed: 01/23/2023]
Abstract
Highly sensitive and accurate molecular diagnostic methods have not yet been employed for livestock trypanosomosis in the Brazilian Lower Amazon although the first reports of Trypanosoma vivax and Trypanosoma evansi in Brazil were in water buffalo (Bubalus bubalis) in this region. The present study assessed trypanosomosis in buffalo and cattle raised in communal and seasonally flooding pastures in the state of Pará using the fluorescent fragment length barcoding (FFLB) method. T. evansi was not detected, but high infection rates of T. vivax and T. theileri were revealed by a simplified FFLB standardized in the present study that discriminates all trypanosome species infective to livestock in South America. T. vivax infection rates detected by TviCATL-PCR were 24.6% for cattle (n = 61) and 28.1% for buffalo (n = 89). Using the FFLB method, overall T. vivax infection rates increased to 59.6% and 44.3% for buffalo and cattle, respectively. Furthermore, the predominance of a single microsatellite-based genotype of T. vivax was reinforced in the Lower Amazon. Relevant T. vivax infection rates detected in clinically healthy buffalo and cattle through the sampled years (2008-2017) highlight the need for systematic studies to demonstrate the endemic steady state of T. vivax in this region. Our findings provide baseline information for livestock management, including control of T. vivax dispersal, and the introduction of naïve animals. The growing international trade of live livestock from this very important livestock breeding region represents a serious risk for T. vivax spreading outside Amazonia and Brazil.
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Affiliation(s)
| | - Carla Monadeli Filgueira Rodrigues
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, Brazil; EpiAmo - Instituto Nacional de Ciência e Tecnologia da Amazônia Ocidental, Brazil
| | - Isis Helga Vivas Pivat
- Department of Animal Production and Industry, Faculty of Veterinary Sciences, Central University of Venezuela. Maracay, Aragua, Venezuela
| | | | - Erney P Camargo
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, Brazil; EpiAmo - Instituto Nacional de Ciência e Tecnologia da Amazônia Ocidental, Brazil
| | | | - Marta Maria Geraldes Teixeira
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, Brazil; EpiAmo - Instituto Nacional de Ciência e Tecnologia da Amazônia Ocidental, Brazil
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Garcia HA, Blanco PA, Rodrigues AC, Rodrigues CMF, Takata CSA, Campaner M, Camargo EP, Teixeira MMG. Pan-American Trypanosoma (Megatrypanum) trinaperronei n. sp. in the white-tailed deer Odocoileus virginianus Zimmermann and its deer ked Lipoptena mazamae Rondani, 1878: morphological, developmental and phylogeographical characterisation. Parasit Vectors 2020; 13:308. [PMID: 32532317 PMCID: PMC7291487 DOI: 10.1186/s13071-020-04169-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 06/04/2020] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND The subgenus Megatrypanum Hoare, 1964 of Trypanosoma Gruby, 1843 comprises trypanosomes of cervids and bovids from around the world. Here, the white-tailed deer Odocoileus virginianus (Zimmermann) and its ectoparasite, the deer ked Lipoptena mazamae Rondani, 1878 (hippoboscid fly), were surveyed for trypanosomes in Venezuela. RESULTS Haemoculturing unveiled 20% infected WTD, while 47% (7/15) of blood samples and 38% (11/29) of ked guts tested positive for the Megatrypanum-specific TthCATL-PCR. CATL and SSU rRNA sequences uncovered a single species of trypanosome. Phylogeny based on SSU rRNA and gGAPDH sequences tightly cluster WTD trypanosomes from Venezuela and the USA, which were strongly supported as geographical variants of the herein described Trypanosoma (Megatrypanum) trinaperronei n. sp. In our analyses, the new species was closest to Trypanosoma sp. D30 from fallow deer (Germany), both nested into TthII alongside other trypanosomes from cervids (North American elk and European fallow, red and sika deer), and bovids (cattle, antelopes and sheep). Insights into the life-cycle of T. trinaperronei n. sp. were obtained from early haemocultures of deer blood and co-culture with mammalian and insect cells showing flagellates resembling Megatrypanum trypanosomes previously reported in deer blood, and deer ked guts. For the first time, a trypanosome from a cervid was cultured and phylogenetically and morphologically (light and electron microscopy) characterised. CONCLUSIONS In the analyses based on SSU rRNA, gGAPDH, CATL and ITS rDNA sequences, neither cervids nor bovids trypanosomes were monophyletic but intertwined within TthI and TthII major phylogenetic lineages. One host species can harbour more than one species/genotype of trypanosome, but each trypanosome species/genotype was found in a single host species or in phylogenetically closely related hosts. Molecular evidence that L. mazamae may transmit T. trinaperronei n. sp. suggests important evolutionary constraints making tight the tripartite T. trinaperronei-WTD-deer ked association. In a plausible evolutionary scenario, T. trinaperronei n. sp. entered South America with North American white-tailed deer at the Pliocene-Pleistocene boundary following the closure of the Panama Isthmus.
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Affiliation(s)
- Herakles A. Garcia
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP Brazil
- Department of Veterinary Pathology, Faculty of Veterinary Sciences, Central University of Venezuela, Maracay, Venezuela
| | - Pilar A. Blanco
- Department of Veterinary Pathology, Faculty of Veterinary Sciences, Central University of Venezuela, Maracay, Venezuela
- Fundación Esfera, Harpy Eagle Conservation Program in Venezuela, El Palmar, Bolívar Venezuela
- Earthmatters, Gainesville, FL USA
| | - Adriana C. Rodrigues
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP Brazil
| | - Carla M. F. Rodrigues
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP Brazil
- Instituto Nacional de Ciência e Tecnologia, INCT-EpiAmo, Porto Velho, Rondônia Brazil
| | - Carmen S. A. Takata
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP Brazil
| | - Marta Campaner
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP Brazil
| | - Erney P. Camargo
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP Brazil
- Instituto Nacional de Ciência e Tecnologia, INCT-EpiAmo, Porto Velho, Rondônia Brazil
| | - Marta M. G. Teixeira
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP Brazil
- Instituto Nacional de Ciência e Tecnologia, INCT-EpiAmo, Porto Velho, Rondônia Brazil
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da Silva RE, Sampaio BM, Tonhosolo R, da Costa APR, da Silva Costa LE, Nieri-Bastos FA, Sperança MA, Marcili A. Exploring Leishmania infantum cathepsin as a new molecular marker for phylogenetic relationships and visceral leishmaniasis diagnosis. BMC Infect Dis 2019; 19:895. [PMID: 31660874 PMCID: PMC6819481 DOI: 10.1186/s12879-019-4463-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 09/11/2019] [Indexed: 12/22/2022] Open
Abstract
Background Leishmania infantum, the etiological agent of visceral leishmaniasis, is a neglected zoonosis that requires validation and standardization of satisfactory diagnostic methodologies. Thus, the aim of the present study was to evaluate the effectiveness of cathepsin L-like protease as a target for making molecular diagnoses and as a phylogenetic marker enabling to understand the intraspecies variations and evolutionary history of L. infantum in Brazil. Methods We used 44 isolates of L. infantum. The cathepsin L-like gene fragments were amplified, sequenced, manually aligned and analyzed using inference methods. The sequences generated were used to search and design oligonucleotide primers to be used in reactions specific to the target parasite. Results The cathepsin L-like gene did not show any intraspecies variability among the isolates analyzed. The pair of primers proposed amplified the target deoxyribonucleic acid (DNA) of L. infantum isolates and were effective for DNA amplification at concentrations of as low as 10− 11 ng/μl. The proposed marker did not present cross-reactions with other hemoparasites. When used for making the diagnosis in a panel of clinical samples from dogs, a positivity rate of 49.03% (102/208) was obtained, versus 14.42% (30/208) for a ribosomal internal transcribed spacer (ITS) marker. In samples from sandflies, the rate was 6.25% and from humans, 14.28%. Conclusions The results described in this work allow us to infer that CatLeish-PCR is a sensitive and specific marker for use in diagnostic trials of L. infantum and in clinical and epidemiological surveys.
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Affiliation(s)
- Ryan Emiliano da Silva
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, São Paulo, SP, 05508-270, Brazil
| | - Bruna Matarucco Sampaio
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, São Paulo, SP, 05508-270, Brazil
| | - Renata Tonhosolo
- Faculdade de Medicina, Universidade Santo Amaro, São Paulo, SP, Brazil
| | | | - Luiz Eduardo da Silva Costa
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, São Paulo, SP, 05508-270, Brazil
| | - Fernanda Ap Nieri-Bastos
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, São Paulo, SP, 05508-270, Brazil
| | - Márcia Aparecida Sperança
- Ciência Animal, Universidade Estadual do Maranhão, São Luís, MA, Brazil.,Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, São Bernardo do Campo, SP, Brazil
| | - Arlei Marcili
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, São Paulo, SP, 05508-270, Brazil. .,Medicina Veterinária e Bem estar animal, Universidade Santo Amaro, São Paulo, SP, Brazil.
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11
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Gunasekara E, Sivakumar T, Kothalawala H, Abeysekera TS, Weerasingha AS, Vimalakumar SC, Kanagaratnam R, Yapa PR, Zhyldyz A, Igarashi I, Silva SSP, Yokoyama N. Epidemiological survey of hemoprotozoan parasites in cattle from low-country wet zone in Sri Lanka. Parasitol Int 2019; 71:5-10. [PMID: 30858106 DOI: 10.1016/j.parint.2019.03.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 03/05/2019] [Accepted: 03/05/2019] [Indexed: 01/15/2023]
Abstract
The diseases caused by hemoprotozoan parasites in cattle often result in economic losses. In Sri Lanka, previous studies found that the up-country wet zone, which is located in central Sri Lanka, was characterized by a high rate of Theileria orientalis and a low rate of Theileria annulata compared with the dry zone. In this study, DNA samples were prepared from the blood of 121 cattle in Galle, a coastal district located in low-country wet zone in Sri Lanka, and were PCR-screened for Babesia bovis, Babesia bigemina, T. annulata, T. orientalis, and Trypanosoma theileri. All the parasite species, except B. bovis, were detected among the surveyed cattle. The animals had a high rate of T. orientalis (100%) and a low rate of T. annulata (1.6%), as in the up-country wet zone. Babesia bigemina and Tr. theileri were detected in 19.0% and 20.6% of the animals, respectively, and their infection rates were higher in the animals reared in extensive management systems (32.8% and 27.9%, respectively) than in those managed in intensive/semi-intensive systems (5.0% and 13.3%, respectively). Genotypic analyses found that the T. orientalis mpsp type 5 was predominant similar to up-country wet zone, and that Tr. theileri consisted of seven catl genotypes, including two new genotypes (IL and IM) and four previously detected genotypes (IA, IB, II, and IK). These findings suggest that the hemoprotozoan infection profiles are largely conserved within the wet zone, despite differences in the geography, cattle breeds, and management practices between the up-country and low-country wet zones.
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Affiliation(s)
- Erandi Gunasekara
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan; Veterinary Research Institute, Peradeniya, Sri Lanka
| | - Thillaiampalam Sivakumar
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan
| | | | | | | | | | | | | | - Atambekova Zhyldyz
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan
| | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan
| | | | - Naoaki Yokoyama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan.
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12
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Pacheco TDA, Marcili A, Costa APD, Witter R, Melo ALT, Boas RV, Chitarra CS, Dutra V, Nakazato L, Pacheco RDC. Genetic diversity and molecular survey of Trypanosoma (Megatrypanum ) theileri in cattle in Brazil’s western Amazon region. REVISTA BRASILEIRA DE PARASITOLOGIA VETERINARIA 2018; 27:579-583. [DOI: 10.1590/s1984-296120180049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 06/11/2018] [Indexed: 11/22/2022]
Abstract
Abstract Trypanosoma (Megatrypanum) theileri is a flagellated protozoan that infects ruminants and it displays high genetic diversity. In this study, we investigated the prevalence rates of this protozoan based on hemoculture and molecular diagnosis. The isolates of T. theileri thus obtained were characterized by molecular markers SSU rDNA and gGAPDH and molecular diagnosis based on Cathepsin L-like gene (PCR-TthCATL). The PCR-TthCATL and hemoculture indicated an overall prevalence rate of 8.13%, and the CATL derived sequence named IB was identified for the first time in cattle in the western Amazon region, as well as IF in Brazil. We also describe a possible new PCR-TthCATL derived sequence in cattle, designated IL.
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Affiliation(s)
| | - Arlei Marcili
- Universidade de São Paulo, Brasil; Universidade de Santo Amaro, Brasil
| | | | | | | | - Ricardo Vilas Boas
- Empresa de Assistência Técnica e Extensão Rural do Estado de Rondônia, Brasil
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13
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Calzolari M, Rugna G, Clementi E, Carra E, Pinna M, Bergamini F, Fabbi M, Dottori M, Sacchi L, Votýpka J. Isolation of a Trypanosome Related to Trypanosoma theileri (Kinetoplastea: Trypanosomatidae) from Phlebotomus perfiliewi (Diptera: Psychodidae). BIOMED RESEARCH INTERNATIONAL 2018; 2018:2597074. [PMID: 30112369 PMCID: PMC6077689 DOI: 10.1155/2018/2597074] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 06/19/2018] [Indexed: 11/26/2022]
Abstract
The Trypanosoma theileri group includes several trypanosome species hardly distinguishable due to the lack of discriminating morphological characters. Trypanosomes belonging to this group have been isolated from different bovine, ovine, and cervids in Europe, Africa, Asia, and Americas. The principal vectors of the T. theileri group are considered tabanid flies; however, T. melophagium is transmitted exclusively by sheep keds. In 2016, 128 sand flies out of 2,728 trapped in Valsamoggia municipality, Italy, were individually dissected and an unknown trypanosome strain, named TrPhp1, was isolated from a female of the sand fly Phlebotomus perfiliewi. Sequence analysis placed this trypanosome in the T. theileri group with very high homology to other trypanosomes detected in European cervids. This is the first report of the T. theileri group isolation from a sand fly, and the possible role of this insect group in the trypanosome transmission cycle is discussed. Within the T. theileri group, the phylogenetic analysis distinguished several lineages, which, unfortunately, do not correspond with their host specificity and their taxonomic status remains ambiguous.
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Affiliation(s)
- Mattia Calzolari
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna “B. Ubertini”, via Bianchi 9, 25124 Brescia, Italy
| | - Gianluca Rugna
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna “B. Ubertini”, via Bianchi 9, 25124 Brescia, Italy
| | - Emanuela Clementi
- Dipartimento di Biologia e Biotecnologie “L. Spallanzani”, Università degli Studi di Pavia, via Ferrata 9, 27100 Pavia, Italy
| | - Elena Carra
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna “B. Ubertini”, via Bianchi 9, 25124 Brescia, Italy
| | - Marco Pinna
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna “B. Ubertini”, via Bianchi 9, 25124 Brescia, Italy
| | - Federica Bergamini
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna “B. Ubertini”, via Bianchi 9, 25124 Brescia, Italy
| | - Massimo Fabbi
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna “B. Ubertini”, via Bianchi 9, 25124 Brescia, Italy
| | - Michele Dottori
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna “B. Ubertini”, via Bianchi 9, 25124 Brescia, Italy
| | - Luciano Sacchi
- Dipartimento di Biologia e Biotecnologie “L. Spallanzani”, Università degli Studi di Pavia, via Ferrata 9, 27100 Pavia, Italy
| | - Jan Votýpka
- Department of Parasitology, Faculty of Science, Charles University, Prague, Czech Republic
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Kelly S, Ivens A, Mott GA, O'Neill E, Emms D, Macleod O, Voorheis P, Tyler K, Clark M, Matthews J, Matthews K, Carrington M. An Alternative Strategy for Trypanosome Survival in the Mammalian Bloodstream Revealed through Genome and Transcriptome Analysis of the Ubiquitous Bovine Parasite Trypanosoma (Megatrypanum) theileri. Genome Biol Evol 2018; 9:2093-2109. [PMID: 28903536 PMCID: PMC5737535 DOI: 10.1093/gbe/evx152] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/12/2017] [Indexed: 12/19/2022] Open
Abstract
There are hundreds of Trypanosoma species that live in the blood and tissue spaces of their vertebrate hosts. The vast majority of these do not have the ornate system of antigenic variation that has evolved in the small number of African trypanosome species, but can still maintain long-term infections in the face of the vertebrate adaptive immune system. Trypanosoma theileri is a typical example, has a restricted host range of cattle and other Bovinae, and is only occasionally reported to cause patent disease although no systematic survey of the effect of infection on agricultural productivity has been performed. Here, a detailed genome sequence and a transcriptome analysis of gene expression in bloodstream form T. theileri have been performed. Analysis of the genome sequence and expression showed that T. theileri has a typical kinetoplastid genome structure and allowed a prediction that it is capable of meiotic exchange, gene silencing via RNA interference and, potentially, density-dependent growth control. In particular, the transcriptome analysis has allowed a comparison of two distinct trypanosome cell surfaces, T. brucei and T. theileri, that have each evolved to enable the maintenance of a long-term extracellular infection in cattle. The T. theileri cell surface can be modeled to contain a mixture of proteins encoded by four novel large and divergent gene families and by members of a major surface protease gene family. This surface composition is distinct from the uniform variant surface glycoprotein coat on African trypanosomes providing an insight into a second mechanism used by trypanosome species that proliferate in an extracellular milieu in vertebrate hosts to avoid the adaptive immune response.
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Affiliation(s)
- Steven Kelly
- Department of Plant Sciences, University of Oxford, United Kingdom
| | - Alasdair Ivens
- Centre for Immunity, Infection and Evolution and Institute for Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, United Kingdom
| | - G Adam Mott
- Centre for Immunity, Infection and Evolution and Institute for Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, United Kingdom
| | - Ellis O'Neill
- Department of Plant Sciences, University of Oxford, United Kingdom
| | - David Emms
- Department of Plant Sciences, University of Oxford, United Kingdom
| | - Olivia Macleod
- Department of Biochemistry, University of Cambridge, United Kingdom
| | - Paul Voorheis
- School of Biochemistry and Immunology, Trinity College, Dublin, Ireland
| | - Kevin Tyler
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, Norfolk, United Kingdom
| | - Matthew Clark
- Earlham Institute, Norwich Research Park, Norwich, Norfolk, United Kingdom
| | - Jacqueline Matthews
- Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik, Midlothian, United Kingdom
| | - Keith Matthews
- Centre for Immunity, Infection and Evolution and Institute for Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, United Kingdom
| | - Mark Carrington
- Department of Biochemistry, University of Cambridge, United Kingdom
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15
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SIVAKUMAR T, LAN DTB, LONG PT, VIET LQ, WEERASOORIYA G, KUME A, SUGANUMA K, IGARASHI I, YOKOYAMA N. Serological and molecular surveys of Babesia bovis and Babesia bigemina among native cattle and cattle imported from Thailand in Hue, Vietnam. J Vet Med Sci 2018; 80:333-336. [PMID: 29249730 PMCID: PMC5836773 DOI: 10.1292/jvms.17-0549] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 11/26/2017] [Indexed: 01/15/2023] Open
Abstract
Serum and DNA from blood samples collected from Vietnamese yellow cattle (n=101) and cattle imported from Thailand (n=54) at a Vietnamese slaughter house were screened for Babesia bovis and Babesia bigemina infections by enzyme-linked immunosorbent assay (ELISA) and PCR. The positive rates determined by ELISA (B. bovis and B. bigemina) or PCR (B. bigemina) in the Vietnamese cattle were significantly higher than those found in Thai cattle. Some PCR-positive Vietnamese animals were ELISA-negative, whereas all PCR-positive Thai cattle were ELISA-positive, suggesting that the animals were infected in Thailand. Importing Babesia-infected cattle may lead to the introduction of new parasite strains, possibly compromising the development of anti-Babesia immune control strategies in Vietnam.
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Affiliation(s)
- Thillaiampalam SIVAKUMAR
- National Research Center for Protozoan Diseases, Obihiro
University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555,
Japan
| | - Dinh Thi Bich LAN
- Hue University Institute of Biotechnology, Phu Thuong
Commune, Phu Vang District, Thua Thien Hue Province 47000, Vietnam
| | - Phung Thang LONG
- University of Agriculture and Forestry, Hue University, 102
Phung Hung Street, Hue 47000, Vietnam
| | - Le Quoc VIET
- Hue University Institute of Biotechnology, Phu Thuong
Commune, Phu Vang District, Thua Thien Hue Province 47000, Vietnam
| | - Gayani WEERASOORIYA
- National Research Center for Protozoan Diseases, Obihiro
University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555,
Japan
- Veterinary Research Institute, P.O. Box 28, Peradeniya, Sri
Lanka
| | - Aiko KUME
- National Research Center for Protozoan Diseases, Obihiro
University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555,
Japan
| | - Keisuke SUGANUMA
- National Research Center for Protozoan Diseases, Obihiro
University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555,
Japan
- Research Center for Global Agromedicine, Obihiro University
of Agriculture and Veterinary Medicine, Inada, Obihiro, Hokkaido 080-8555, Japan
| | - Ikuo IGARASHI
- National Research Center for Protozoan Diseases, Obihiro
University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555,
Japan
| | - Naoaki YOKOYAMA
- National Research Center for Protozoan Diseases, Obihiro
University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555,
Japan
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16
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Ngomtcho SCH, Weber JS, Ngo Bum E, Gbem TT, Kelm S, Achukwi MD. Molecular screening of tsetse flies and cattle reveal different Trypanosoma species including T. grayi and T. theileri in northern Cameroon. Parasit Vectors 2017; 10:631. [PMID: 29287598 PMCID: PMC5747950 DOI: 10.1186/s13071-017-2540-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 11/15/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND African trypanosomes are mainly transmitted through the bite of tsetse flies (Glossina spp.). The present study investigated the occurrence of pathogenic trypanosomes in tsetse flies and cattle in tsetse fly-infested areas of Northern Cameroon. RESULTS Trypanosomes were identified using nested polymerase chain reaction (PCR) analysis of internal transcribed spacer 1 (ITS1) region, both by size estimation and sequencing of PCR products. Apparent density indices recorded in Gamba and Dodeo were 3.1 and 3.6 tsetse flies per trap and day, respectively. Trypanosoma prevalence infection rate for the tsetse fly gut (40%) and proboscis (19%) were recorded. Among the flies where trypanosomes were detected in the gut, 41.7% were positive for T. congolense and 14.6% for T. brucei ssp., whereas in the proboscis 36% harboured T. congolense and 62% contained T. vivax. T. grayi was highly prevalent in tsetse fly gut (58%). The most common mixed infections were the combination of T. congolense and T. grayi. Trypanosome prevalence rate in cattle blood was 6%. Among these, T. vivax represented 26%, T. congolense 35%, T. brucei ssp. 17% and T. theileri 17% of the infections. Surprisingly, in one case T. grayi was found in cattle. The mean packed cell volume (PCV) of cattle positive for trypanosomes was significantly lower (24.1 ± 5.6%; P < 0.05) than that of cattle in which trypanosomes were not detected (27.1 ± 4.9%). Interestingly, the occurrence of T. theileri or T. grayi DNA in cattle also correlated with low PCV at pathological levels. CONCLUSION This molecular epidemiological study of Trypanosoma species in Northern Cameroon revealed active foci of trypanosomes in Dodeo and Gamba. These findings are relevant in assessing the status of trypanosomosis in these regions and will serve as a guide for setting the priorities of the government in the control of the disease.
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Affiliation(s)
- Sen Claudine Henriette Ngomtcho
- Department of Biological Sciences, University Ngaoundéré, P.O. Box 454, Ngaoundéré, Cameroon
- Ministry of Public Health, Regional Hospital of Ngaoundéré, Ngaoundéré, Cameroon
- Centre for Biomolecular Interactions Bremen, Department of Biology and Chemistry, University Bremen, 28334 Bremen, Germany
| | - Judith Sophie Weber
- Centre for Biomolecular Interactions Bremen, Department of Biology and Chemistry, University Bremen, 28334 Bremen, Germany
| | - Elisabeth Ngo Bum
- Department of Biological Sciences, University Ngaoundéré, P.O. Box 454, Ngaoundéré, Cameroon
| | - Thaddeus Terlumun Gbem
- Africa Centre of Excellence for Neglected Tropical Diseases and Forensic Biotechnology, Ahmadu Bello University, Zaria, Nigeria
- Department of Biology, Ahmadu Bello University, Zaria, Nigeria
| | - Sørge Kelm
- Centre for Biomolecular Interactions Bremen, Department of Biology and Chemistry, University Bremen, 28334 Bremen, Germany
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Weerasooriya G, Sivakumar T, Lan DTB, Long PT, Takemae H, Igarashi I, Inoue N, Yokoyama N. Epidemiology of bovine hemoprotozoa parasites in cattle and water buffalo in Vietnam. J Vet Med Sci 2016; 78:1361-7. [PMID: 27149894 PMCID: PMC5053943 DOI: 10.1292/jvms.16-0099] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
A PCR-based survey of hemoprotozoa parasites detected Babesia bigemina, Theileria orientalis and Trypanosoma theileri among cattle and water buffalo in Vietnam, and a new Babesia sp. closely related to Babesia ovata was detected in cattle only. In addition, Theileria annulata and Trypanosoma evansi were not detected in both cattle and water buffalo. Phylogenetic analysis detected T. orientalis MPSP genotypes 3, 5, 7 and N3 in cattle and 5, 7, N1 and N2 in water buffalo. Additionally, water buffalo-derived T. theileri CATL sequences clustered together with a previously reported cattle-derived sequence from Vietnam. This is the first report of a new Babesia sp. in cattle, and T. orientalis MPSP genotype 7 and T. theileri in water buffalo in Vietnam.
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Affiliation(s)
- Gayani Weerasooriya
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-cho, Obihiro, Hokkaido 080-8555, Japan
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18
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Yokoyama N, Sivakumar T, Fukushi S, Tattiyapong M, Tuvshintulga B, Kothalawala H, Silva SSP, Igarashi I, Inoue N. Genetic diversity in Trypanosoma theileri from Sri Lankan cattle and water buffaloes. Vet Parasitol 2014; 207:335-41. [PMID: 25554063 DOI: 10.1016/j.vetpar.2014.12.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 11/13/2014] [Accepted: 12/11/2014] [Indexed: 11/25/2022]
Abstract
Trypanosoma theileri is a hemoprotozoan parasite that infects various ruminant species. We investigated the epidemiology of this parasite among cattle and water buffalo populations bred in Sri Lanka, using a diagnostic PCR assay based on the cathepsin L-like protein (CATL) gene. Blood DNA samples sourced from cattle (n=316) and water buffaloes (n=320) bred in different geographical areas of Sri Lanka were PCR screened for T. theileri. Parasite DNA was detected in cattle and water buffaloes alike in all the sampling locations. The overall T. theileri-positive rate was higher in water buffaloes (15.9%) than in cattle (7.6%). Subsequently, PCR amplicons were sequenced and the partial CATL sequences were phylogenetically analyzed. The identity values for the CATL gene were 89.6-99.7% among the cattle-derived sequences, compared with values of 90.7-100% for the buffalo-derived sequences. However, the cattle-derived sequences shared 88.2-100% identity values with those from buffaloes. In the phylogenetic tree, the Sri Lankan CATL gene sequences fell into two major clades (TthI and TthII), both of which contain CATL sequences from several other countries. Although most of the CATL sequences from Sri Lankan cattle and buffaloes clustered independently, two buffalo-derived sequences were observed to be closely related to those of the Sri Lankan cattle. Furthermore, a Sri Lankan buffalo sequence clustered with CATL gene sequences from Brazilian buffalo and Thai cattle. In addition to reporting the first PCR-based survey of T. theileri among Sri Lankan-bred cattle and water buffaloes, the present study found that some of the CATL gene fragments sourced from water buffaloes shared similarity with those determined from cattle in this country.
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Affiliation(s)
- Naoaki Yokoyama
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan.
| | - Thillaiampalam Sivakumar
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan; Veterinary Research Institute, Peradeniya, Sri Lanka
| | - Shintaro Fukushi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan
| | - Muncharee Tattiyapong
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan
| | - Bumduuren Tuvshintulga
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan
| | | | | | - Ikuo Igarashi
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan
| | - Noboru Inoue
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan
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Rodrigues AC, Ortiz PA, Costa-Martins AG, Neves L, Garcia HA, Alves JM, Camargo EP, Alfieri SC, Gibson W, Teixeira MM. Congopain genes diverged to become specific to Savannah, Forest and Kilifi subgroups of Trypanosoma congolense, and are valuable for diagnosis, genotyping and phylogenetic inferences. INFECTION GENETICS AND EVOLUTION 2014; 23:20-31. [DOI: 10.1016/j.meegid.2014.01.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Revised: 01/10/2014] [Accepted: 01/11/2014] [Indexed: 10/25/2022]
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Sivakumar T, Lan DTB, Long PT, Yoshinari T, Tattiyapong M, Guswanto A, Okubo K, Igarashi I, Inoue N, Xuan X, Yokoyama N. PCR detection and genetic diversity of bovine hemoprotozoan parasites in Vietnam. J Vet Med Sci 2013; 75:1455-62. [PMID: 23856762 PMCID: PMC3942975 DOI: 10.1292/jvms.13-0221] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Hemoprotozoan infections often cause serious production losses in livestock. In the
present study, we conducted a PCR-based survey of Babesia bovis,
Babesia bigemina, Theileria annulata,
Theileria orientalis, Trypanosoma evansi and
Trypanosoma theileri, using 423 DNA samples extracted from blood
samples of cattle (n=202), water buffaloes (n=43), sheep (n=51) and goats (n=127) bred in
the Hue and Hanoi provinces of Vietnam. With the exception of T.
annulata and T. evansi, all other
parasite species (B. bovis, B.
bigemina, T. orientalis and
T. theileri) were detected in the cattle populations
with B. bovis being the most common among them.
Additionally, four water buffaloes and a single goat were infected with
B. bovis and B.
bigemina, respectively. The Hue province had more
hemoprotozoan-positive animals than those from the Hanoi region. In the phylogenetic
analyses, B. bovis-MSA-2b, B.
bigemina-AMA-1 and T. theileri-CATL
gene sequences were dispersed across four, one and three different clades in the
respective phylograms. This is the first study in which the presence of
Babesia, Theileria and Trypanosoma
parasites was simultaneously investigated by PCR in Vietnam. The findings suggest that
hemoprotozoan parasites, some of which are genetically diverse, continue to be a threat to
the livestock industry in this country.
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Affiliation(s)
- Thillaiampalam Sivakumar
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada-Cho, Obihiro, Hokkaido 080-8555, Japan
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21
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Molecular characterization of Trypanosoma (Megatrypanum) spp. infecting cattle (Bos taurus), white-tailed deer (Odocoileus virginianus), and elk (Cervus elaphus canadensis) in the United States. Vet Parasitol 2013; 197:29-42. [PMID: 23683651 DOI: 10.1016/j.vetpar.2013.04.037] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2012] [Revised: 04/11/2013] [Accepted: 04/20/2013] [Indexed: 11/23/2022]
Abstract
In the United States, the generally non-pathogenic trypanosome of cattle is designated Trypanosoma (Megatrypanum) theileri and is distinguished morphologically from Trypanosoma (M.) cervi, a trypanosome originally described in mule deer and elk. Phylogenetic studies of the Megatrypanum trypanosomes using various molecular markers reveal two lineages, designated TthI and TthII, with several genotypes within each. However, to date there is very limited genetic data for T. theileri, and none for the Megatrypanum trypanosomes found in wild ungulates, in the U.S. In this study U.S. isolates from cattle (Bos taurus), white-tailed deer (Odocoileus virginianus) (WTD), and elk (Cervus elaphus canadensis) were compared by ribosomal DNA (rDNA) sequence analysis and their incidence in cattle and WTD in south Texas counties was investigated. Phylogenetic analyses showed clear separation of the bovine and cervine trypanosomes. Both lineages I and II were represented in the U.S. cattle and WTD parasites. Lineage I cattle isolates were of a previously described genotype, whereas WTD and elk isolates were of two new genotypes distinct from the cattle trypanosomes. The cattle isolate of lineage II was of a previously reported genotype and was divergent from the WTD isolate, which was of a new genotype. In La Salle, Starr, Webb, and Zapata counties in south Texas a total of 51.8% of white-tailed deer were positive for trypanosomes by 18S rDNA PCR. Of the cattle screened in Webb County, 35.4% were positive. Drought conditions prevailing in south Texas when the animals were screened suggest the possibility of a vector for Trypanosoma other than the ked (Lipoptena mazamae) and tabanid flies (Tabanus spp. and Haematopota spp.).
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22
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Ybañez AP, Sivakumar T, Ybañez RHD, Vincoy MRB, Tingson JA, Perez ZO, Gabotero SR, Buchorno LP, Inoue N, Matsumoto K, Inokuma H, Yokoyama N. Molecular survey of bovine vector-borne pathogens in Cebu, Philippines. Vet Parasitol 2013; 196:13-20. [PMID: 23499481 DOI: 10.1016/j.vetpar.2013.02.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Revised: 02/11/2013] [Accepted: 02/17/2013] [Indexed: 10/27/2022]
Abstract
Vector-borne diseases (VBDs) continue to threaten the worldwide livestock industry, but comprehensive epidemiological surveys on such diseases have not been conducted in the Philippines. In the present study, we screened 408 bovine blood samples from 9 areas in Cebu, Philippines, for various VBD pathogens using specific PCR assays. The results revealed prevalences of 54.7, 15.4, 10.0, and 12.0% for Anaplasma spp., Babesia bigemina, Babesia bovis, and Trypanosoma (Tr.) theileri, respectively. In contrast, none of the samples were positive for Trypanosoma (Tr.) evansi, Theileria (Th.) orientalis, and Theileria (Th.) annulata. Mixed infections were observed in 24.2% of the samples tested. Phylogenetic analysis based on the 16S rRNA gene revealed that the Anaplasma spp. sequences from the present study were genetically close either to Anaplasma marginale or Anaplasma phagocytophilum. In addition, B. bovis RAP-1 and Babesia bigemina AMA-1 gene sequences were identical and monophyletic to other known B. bovis and B. bigemina sequences. On the other hand, Tr. theileri cathepsin-L like protein gene sequences shared 97.1-100% identities with those from the USA and Brazil and clustered within a single genotype in the phylogenetic tree. The molecular identification of several VBD pathogens in Cebu cattle calls for the implementation of control measures to prevent the spread of these pathogens to nearby localities or islands, and ultimately, economic losses to the Philippine economy.
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Affiliation(s)
- Adrian Patalinghug Ybañez
- Department of Veterinary Clinical Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
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23
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Lee YF, Cheng CC, Chen JS, Lin NN, Hung YW, Wang JM, Tu WC, Tung KC, Chiu YT. Evidence of intracellular stages in Trypanosoma (Megatrypanum) theileri in non-phagocytic mammalian cells. Vet Parasitol 2012; 191:228-39. [PMID: 23021263 DOI: 10.1016/j.vetpar.2012.08.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2012] [Revised: 08/27/2012] [Accepted: 08/29/2012] [Indexed: 02/07/2023]
Abstract
Trypanosoma (subgenus Megatrypanum) theileri was first identified over one hundred years ago, and is a widespread parasite in cattle. Its life cycle within the mammalian host has rarely been reported. Whether there is an intracellular stage in tissues is unknown and such a stage has not been demonstrated experimentally. Intriguingly, using Giemsa staining with light microscopy and transmission electron microscopy examination, we found that the parasite was able not only to attach to cells but also to invade several phagocytic and non-phagocytic mammalian cells. Based on these findings, we conducted further investigations using a special antibody in immunofluorescence confocal images. Moreover, we examined a series of possible events of cell invasion in T. theileri. The results revealed that GM1, a marker of membrane rafts, was implicated in the mechanism of entry by this parasite. After incubation with tissue culture trypomastigotes, the gelatinolytic activity was significantly increased and accumulated at the attachment sites. Using ultrastructural localization detection by CytoTracker live imaging and confocal immunofluorescence microscopy, we found that lysosome fusion and the autophagy pathway were engaged in invaginating processes. T. theileri amastigotes also invaded cells and were enclosed by the lysosomes. Furthermore, tissue-cultured trypomastigotes were found to be capable of triggering intracellular free Ca(2+) transients and TGF-β-signaling. Our findings that intracellular amastigote stages exist in mammalian cells infected with T. theileri and that the invasion processes involved various host cell components and cell signalings were extremely surprising and warrant further investigation.
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Affiliation(s)
- Yen-Feng Lee
- Department of Medical Education and Research, Taichung Veterans General Hospital, 160, Sec. 3, Taichung 40705, Taiwan.
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24
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Martinković F, Matanović K, Rodrigues AC, Garcia HA, Teixeira MMG. Trypanosoma (Megatrypanum) melophagium in the sheep ked Melophagus ovinus from organic farms in Croatia: phylogenetic inferences support restriction to sheep and sheep keds and close relationship with trypanosomes from other ruminant species. J Eukaryot Microbiol 2011; 59:134-44. [PMID: 22168919 DOI: 10.1111/j.1550-7408.2011.00599.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Accepted: 10/18/2011] [Indexed: 11/29/2022]
Abstract
Trypanosoma (Megatrypanum) melophagium is a parasite of sheep transmitted by sheep keds, the sheep-restricted ectoparasite Melophagus ovinus (Diptera: Hippoboscidae). Sheep keds were 100% prevalent in sheep from five organic farms in Croatia, Southeastern Europe, whereas trypanosomes morphologically compatible with T. melophagium were 86% prevalent in the guts of the sheep keds. Multilocus phylogenetic analyses using sequences of small subunit rRNA, glycosomal glyceraldehyde-3-phosphate dehydrogenase, spliced leader, and internal transcribed spacer 1 of the rDNA distinguished T. melophagium from all allied trypanosomes from other ruminant species and placed the trypanosome in the subgenus Megatrypanum. Trypanosomes from sheep keds from Croatia and Scotland, the only available isolates for comparison, shared identical sequences. All biologic and phylogenetic inferences support the restriction of T. melophagium to sheep and, especially, to the sheep keds. The comparison of trypanosomes from sheep, cattle, and deer from the same country, which was never achieved before this work, strongly supported the host-restricted specificity of trypanosomes of the subgenus Megatrypanum. Our findings indicate that with the expansion of organic farms, both sheep keds and T. melophagium may re-emerge as parasitic infections of sheep.
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Affiliation(s)
- Franjo Martinković
- Department for Parasitology and Parasitic Diseases with Clinics, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10000, Zagreb, Croatia
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25
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Garcia HA, Rodrigues AC, Martinkovic F, Minervino AHH, Campaner M, Nunes VLB, Paiva F, Hamilton PB, Teixeira MMG. Multilocus phylogeographical analysis of Trypanosoma (Megatrypanum) genotypes from sympatric cattle and water buffalo populations supports evolutionary host constraint and close phylogenetic relationships with genotypes found in other ruminants. Int J Parasitol 2011; 41:1385-96. [PMID: 22051399 DOI: 10.1016/j.ijpara.2011.09.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Revised: 08/19/2011] [Accepted: 09/26/2011] [Indexed: 11/28/2022]
Abstract
Species of the subgenus Trypanosoma (Megatrypanum) have been reported in cattle and other domestic and wild ruminants worldwide. A previous study in Brazil found at least four genotypes infecting cattle (Bos taurus), but only one in water buffalo (Bubalus bubalis). However, the small number of isolates examined from buffalo, all inhabiting nearby areas, has precluded evaluation of their diversity, host associations and geographical structure. To address these questions, we evaluated the genetic diversity and phylogeographical patterns of 25 isolates from water buffalo and 28 from cattle from four separate locations in Brazil and Venezuela. Multigene phylogenetic analyses of ssrRNA, internal transcribed spacer of rDNA (ITSrDNA), 5SrRNA, glycosomal glyceraldehyde 3-phosphate dehydrogenase (gGAPDH), mitochondrial cytochrome b (Cyt b), spliced leader (SL) and cathepsin L-like (CATL) sequences positioned all isolates from sympatric and allopatric buffalo populations into the highly homogeneous genotype TthIA, while the cattle isolates were assigned to three different genotypes, all distinct from TthIA. Polymorphisms in all of these sequences separated the trypanosomes infecting water buffalo, cattle, sheep, antelope and deer, and suggested that they correspond to separate species. Congruent phylogenies inferred with all genes indicated a predominant clonal structure of the genotypes. The multilocus analysis revealed one monophyletic assemblage formed exclusively by trypanosomes of ruminants, which corresponds to the subgenus T. (Megatrypanum). The high degree of host specificity, evidenced by genotypes exclusive to each ruminant species and lack of genotype shared by different host species, suggested that the evolutionary history of trypanosomes of this subgenus was strongly constrained by their ruminant hosts. However, incongruence between ruminant and trypanosome phylogenies did not support host-parasite co-evolution, indicating that host switches have occurred across ruminants followed by divergences, giving rise to new trypanosome genotypes adapted exclusively to one host species.
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Affiliation(s)
- Herakles A Garcia
- Departamento de Parasitologia, Universidade de São Paulo, Instituto de Ciências Biomédicas II, Av. Prof. Lineu Prestes 1374, 05508-900 São Paulo, SP, Brazil
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