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Hernández-Ospina MC, Chitan-Guerrero D, Alvarez-Londoño J, Bohada-Murillo M, Martínez-Sánchez ET, Rivera-Páez FA, Castaño-Villa GJ. Avian haemosporidians of the genera Plasmodium and Haemoproteus from resident and Neotropical migrant birds in Colombia. Parasitol Res 2024; 123:252. [PMID: 38922536 PMCID: PMC11208266 DOI: 10.1007/s00436-024-08260-8] [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: 03/29/2024] [Accepted: 05/31/2024] [Indexed: 06/27/2024]
Abstract
Avian haemosporidians of the genera Plasmodium and Haemoproteus are a group of widely distributed blood parasites that can negatively affect the fitness of their hosts. Colombia contains the greatest diversity of birds on the planet, but knowledge about the associations between haemosporidian and its avifauna is scarce and fragmented. We collected blood samples from 255 birds (203 residents and 52 neotropical migrants) belonging to 27 families and 108 species. The study was conducted in six localities in the inter-Andean valleys of the Cauca and Magdalena rivers. Parasites of the genera Plasmodium and Haemoproteus were identified in the samples by morphological and molecular analysis of a fragment of the mitochondrial gene cyt b. Among the samples, 9.3% (n = 24) were positive for Plasmodium or Haemoproteus. Co-infection with Plasmodium and Haemoproteus was found in Red-eyed Vireo. Seventeen haemosporidian lineages were identified, five of which were reported for the first time in resident birds (Common Ground Dove, Checker-throated Stipplethroat, Tropical Kingbird, Pale-breasted Thrush, and Ruddy-breasted Seedeater) and one in the Summer Tanager (neotropical migrant). The research results confirm the wide diversity of haemosporidian present in tropical lowlands and the possible role of neotropical migratory birds in dissemination on haemosporidian along their migratory routes.
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Affiliation(s)
- Maria Camila Hernández-Ospina
- Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas-GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A 275, Manizales, Caldas, Colombia
| | - Diego Chitan-Guerrero
- Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas-GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A 275, Manizales, Caldas, Colombia
| | - Johnathan Alvarez-Londoño
- Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas-GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A 275, Manizales, Caldas, Colombia
- Maestría en Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A 275, Manizales, Caldas, Colombia
| | - Mauricio Bohada-Murillo
- Maestría en Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A 275, Manizales, Caldas, Colombia
- Grupo de Investigación en Ecosistemas Tropicales, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A 275, Manizales, Caldas, Colombia
| | - Estefani T Martínez-Sánchez
- Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas-GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A 275, Manizales, Caldas, Colombia
- Doctorado en Ciencias-Biología, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A 275, Manizales, Caldas, Colombia
| | - Fredy A Rivera-Páez
- Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas-GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A 275, Manizales, Caldas, Colombia.
| | - Gabriel J Castaño-Villa
- Grupo de Investigación en Genética, Biodiversidad y Manejo de Ecosistemas-GEBIOME, Departamento de Desarrollo Rural y Recursos Naturales, Facultad de Ciencias Agropecuarias, Universidad de Caldas, Carrera 35 No. 62-160 A.A 275, Manizales, Caldas, Colombia
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Musa S, Altenburger C, Vázquez RM, Woog F, Mackenstedt U. Parasite airlines: mapping the distribution and transmission of avian blood parasites in migratory birds. Int J Parasitol 2024:S0020-7519(24)00136-X. [PMID: 38942166 DOI: 10.1016/j.ijpara.2024.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/30/2024] [Accepted: 06/22/2024] [Indexed: 06/30/2024]
Abstract
During their journeys, migratory birds encounter a wider range of parasites than residents, transporting them over vast distances. While some parasites are widely distributed, transmission is not inevitable and depends on the presence of competent arthropod vectors as well as parasite compatibility with native bird species. Distinguishing between parasite distribution and transmission areas is crucial for monitoring and assessing risks to native bird species, as distribution areas, with the appropriate conditions, could become potential transmission areas. In this study, blood samples from 455 reed-living birds of the genera Acrocephalus, Locustella, and Emberiza, collected in the nature reserve "Die Reit" in Hamburg, Germany were screened, targeting haemosporidian parasites, trypanosomes, and filarioid nematodes. Determination of migratory bird age was employed to ascertain the transmission area of the detected parasites. Transmission areas were determined, based on information provided by resident and juvenile birds as well as findings in competent vectors. Long-distance migratory birds of the genus Acrocephalus showed a higher prevalence and diversity of blood parasites compared with partially migratory birds such as Emberiza schoeniclus. Notably, an age-dependent difference in parasite prevalence was observed in Acrocephalus spp., but not in E. schoeniclus. Nematodes were absent in all examined bird species. Proposed transmission areas were identified for nine haemosporidian lineages, showing three different types of transmission area, either with limited transmission in Europe or Africa, or active transmission in both regions.
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Affiliation(s)
- Sandrine Musa
- University of Hohenheim, Emil-Wolff-Str. 34, 70599 Stuttgart, Germany.
| | | | | | - Friederike Woog
- State Museum of Natural History, Rosenstein 1, 70191 Stuttgart, Germany
| | - Ute Mackenstedt
- University of Hohenheim, Emil-Wolff-Str. 34, 70599 Stuttgart, Germany
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3
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Tchoumbou M, Harl J, Souaibou A, Iezhova T, Valkiūnas G. Molecular characterization of Haemoproteus enucleator with emphasis on the host and geographic distribution. Acta Trop 2024; 253:107154. [PMID: 38373526 DOI: 10.1016/j.actatropica.2024.107154] [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: 12/27/2023] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 02/21/2024]
Abstract
Haemoproteus species (Haemosporida, Haemoproteidae) are cosmopolitan and highly diverse blood parasites of birds that have been neglected in avian medicine. However, recent discoveries based on molecular diagnostic markers show that these pathogens often cause marked damage to various internal organs due to exo-erythrocytic development, sometimes resulting in severe and even lethal avian haemoproteosis, including cerebral pathologies. Molecular markers are essential for haemoproteosis diagnostics, but the data is limited, particularly for parasites transmitted in tropical ecosystems. This study combined microscopic and molecular approaches to characterize Haemoproteus enucleator morphologically and molecularly. Blood samples were collected from the African pygmy kingfisher Ispidina picta in Cameroon, and the parasite was identified using morphological characters of gametocytes. The analysis of partial cytochrome b sequences (cytb) identified a new Haemoproteus lineage (hISPIC03), which was linked to the morphospecies H. enucleator. Illustrations of blood stages were provided and the phylogenetic analysis showed that the new lineage clustered with five other closely related lineages belonging to the same morphospecies (hALCLEU01, hALCLEU02, hALCLEU03, hISPIC01, and hALCQUA01), with a maximum genetic distance between these lineages of 1.5 % (7 bp difference) in the 478 bp cytb sequences. DNA haplotype network was developed and identified geographic and host distribution of all lineages belonging to H. enucleator group. These lineages were almost exclusively detected in African kingfishers from Gabon, Cameroon, South Africa, and Botswana. This study developed the molecular characterization of H. enucleator and provides opportunities for diagnostics of this pathogen at all stages of its life cycle, which remains undescribed in all its closely related lineages.
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Affiliation(s)
- Mélanie Tchoumbou
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; Biodiversity Initiative, Houghton, MI, USA.
| | - Josef Harl
- Institute of Pathology, Department for Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria
| | - Aladji Souaibou
- Vector Borne Parasitic & Infectious Diseases Laboratory of the Applied Biology and Ecology Research Unit, University of Dschang, Cameroon
| | - Tatjana Iezhova
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania
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Sgarioni AZ, Serafini P, Pereira A, Emmerich T, Pontes TPD, Machado DC, Ribeiro PR, Amorim DBD, Klafke G, Reck J. Molecular Survey of Haemosporidian Parasites in Procellariiformes Sampled in Southern Brazil, 2013-22. J Wildl Dis 2024; 60:413-420. [PMID: 38294761 DOI: 10.7589/jwd-d-23-00087] [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: 05/12/2023] [Accepted: 10/25/2023] [Indexed: 02/01/2024]
Abstract
The order Procellariiformes includes several species of seabirds that perform long-distance migrations crossing all the oceans. These movements may contribute to the dispersal and exchange of hemoparasites, such as haemosporidians. There is a lack of studies regarding the order Haemosporida in Procellariiformes, and, to date, only the genus Plasmodium has been reported. This survey investigated the occurrence of the three genera of haemosporidians, Plasmodium, Haemoproteus, and Leucocytozoon, in samples collected between 2013 and 2022 from 95 individuals of 14 species of Procellariiformes from southern Brazil, including live animals in rehabilitation centers, individuals caught as incidental bycatch, and carcasses found along the coast. A total of 171 samples of blood and fragments of liver and spleen were analyzed, with extracted DNA being subjected to a nested PCR followed by phylogeny analysis. All animals were negative for Plasmodium spp. and Leucocytozoon spp., but one Black-browed Albatross (Thalassarche melanophris) and one Manx Shearwater (Puffinus puffinus) specimen were positive for Haemoproteus spp. The sequences obtained from positive seabirds did not show 100% similarity with other known lineages available in the MalAvi database and thus were probably novel lineages. However, one sequence clustered together with Haemoproteus noctuae, a parasite from Strigiformes, while the other was grouped with Haemoproteus columbae, which is classically related to Columbiformes. These results suggest that both positive animals may have become infected when beached or in rehabilitation centers by a spillover of vectors from local birds. This highlights the importance of surveillance of the health of Procellariiformes regarding the possibility of dissemination of new pathogens in different bird populations.
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Affiliation(s)
- Annelise Zabel Sgarioni
- Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Estrada do Conde, 6000, Eldorado do Sul, 92990-000, RS, Brazil
| | - Patricia Serafini
- Centro Nacional de Pesquisa e Conservação de Aves Silvestres (CEMAVE), Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio), Rodovia Maurício Sirotski Sobrinho s/n, Florianópolis, 88053-700, SC, Brazil
- Laboratório de Biomarcadores de Contaminação Aquática e Imunoquímica (LABCAI), Centro de Ciências Biológicas, Universidade Federal de Santa Catarina (UFSC), Rua João Pio Duarte Silva, 241, bloco F, Florianópolis, 88040-900, SC, Brazil
| | - Alice Pereira
- Projeto Albatroz, Rodovia SC 402, Km 2, Rio Vermelho, Florianópolis, 88061-500, SC, Brazil
| | - Tiffany Emmerich
- Unidade de Estabilização de Animais Marinhos, Universidade do Vale de Itajaí (UNIVALI), Avenida Itacolumi, 228, Penha, 88385-000, SC, Brazil
| | - Thamires Pires de Pontes
- Unidade de Estabilização de Animais Marinhos, Universidade do Vale de Itajaí (UNIVALI), Avenida Itacolumi, 228, Penha, 88385-000, SC, Brazil
| | - Douglas Coutinho Machado
- Unidade de Estabilização de Animais Marinhos, Universidade do Vale de Itajaí (UNIVALI), Avenida Itacolumi, 228, Penha, 88385-000, SC, Brazil
| | - Paula Reis Ribeiro
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Avenida Bento Gonçalves, 9090, Porto Alegre, 90650-001, RS, Brazil
| | - Derek Blaese de Amorim
- Setor de Patologia Veterinária, Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Avenida Bento Gonçalves, 9090, Porto Alegre, 90650-001, RS, Brazil
- Centro de Estudos Costeiros, Limnológicos e Marinhos (CECLIMAR), Universidade Federal do Rio Grande do Sul (UFRGS), Avenida Tramandaí, 976, Imbé, 95625-000, RS, Brazil
| | - Guilherme Klafke
- Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Estrada do Conde, 6000, Eldorado do Sul, 92990-000, RS, Brazil
| | - José Reck
- Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Estrada do Conde, 6000, Eldorado do Sul, 92990-000, RS, Brazil
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Valkiūnas G, Iezhova T, Ilgūnas M, Tchoumbou M, Duc M, Bukauskaitė D, Himmel T, Harl J, Weissenböck H. Unexpected absence of exo-erythrocytic merogony during high gametocytaemia in two species of Haemoproteus (Haemosporida: Haemoproteidae), including description of Haemoproteus angustus n. sp. (lineage hCWT7) and a report of previously unknown residual bodies during in vitro gametogenesis. Int J Parasitol Parasites Wildl 2024; 23:100905. [PMID: 38292244 PMCID: PMC10827498 DOI: 10.1016/j.ijppaw.2024.100905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/06/2024] [Accepted: 01/06/2024] [Indexed: 02/01/2024]
Abstract
Neglected avian blood parasites of the genus Haemoproteus (Haemoproteidae) have recently attracted attention due to the application of molecular diagnostic tools, which unravelled remarkable diversity of their exo-erythrocytic (or tissue) stages both regarding morphology and organ tropism levels. The development of haemoproteids might result in pathologies of internal organs, however the exo-erythrocytic development (EED) of most Haemoproteus species remains unknown. Seven individual birds - Curruca communis (1) and Phylloscopus trochilus (6) - with high gametocytaemia (between 1% and 24%) of Haemoproteus angustus n. sp. (hCWT7) and Haemoproteus palloris (lineage hWW1) were sampled in Lithuania, and their internal organs were examined extensively by parallel application of histology and chromogenic in situ hybridization methods. Tissue stages were apparently absent, suggesting that the parasitaemia was not accompanied by detectable tissue merogony. Haemoproteus angustus n. sp. was described and characterized morphologically and molecularly. Sexual process and ookinete development of the new species readily occurred in vitro, and a unique character for Haemoproteus parasites was discovered - the obligatory development of several tiny residual bodies, which were associated with intracellular transformation of both macrogametocytes and microgametocytes before their escape from the host cells and formation of gametes. A DNA haplotype network was constructed with lineages that cluster in one clade with the lineage hCWT7. This clade consists of lineages mostly found in Curruca birds, indicating specificity for birds of this genus. The lineage hCWT7 is mainly a parasite of C. communis. Most reports of this lineage came from Turkey, with only a few records in Europe, mostly in birds wintering in Africa where transmission probably occurs. This study highlights unexpected difficulties in the research of EED even when using sensitive molecular diagnostic tools and extends information about transformation in early stages of gametogenesis in haemosporidian parasites.
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Affiliation(s)
| | - Tatjana Iezhova
- Nature Research Centre, Akademijos 2, 08412, Vilnius, Lithuania
| | - Mikas Ilgūnas
- Nature Research Centre, Akademijos 2, 08412, Vilnius, Lithuania
| | | | - Mélanie Duc
- Nature Research Centre, Akademijos 2, 08412, Vilnius, Lithuania
| | | | - Tanja Himmel
- Institute of Pathology, Department for Biological Sciences and Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Josef Harl
- Institute of Pathology, Department for Biological Sciences and Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Herbert Weissenböck
- Institute of Pathology, Department for Biological Sciences and Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
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Ernest HB, Tell LA, Bishop CA, González AM, Lumsdaine ER. Illuminating the Mysteries of the Smallest Birds: Hummingbird Population Health, Disease Ecology, and Genomics. Annu Rev Anim Biosci 2024; 12:161-185. [PMID: 38358836 DOI: 10.1146/annurev-animal-021022-044308] [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] [Indexed: 02/17/2024]
Abstract
Hummingbirds share biologically distinctive traits: sustained hovering flight, the smallest bird body size, and high metabolic rates fueled partially by nectar feeding that provides pollination to plant species. Being insectivorous and sometimes serving as prey to larger birds, they fulfill additional important ecological roles. Hummingbird species evolved and radiated into nearly every habitat in the Americas, with a core of species diversity in South America. Population declines of some of their species are increasing their risk of extinction. Threats to population health and genetic diversity are just beginning to be identified, including diseases and hazards caused by humans. We review the disciplines of population health, disease ecology, and genomics as they relate to hummingbirds. We appraise knowledge gaps, causes of morbidity and mortality including disease, and threats to population viability. Finally, we highlight areas of research need and provide ideas for future studies aimed at facilitating hummingbird conservation.
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Affiliation(s)
- Holly B Ernest
- Department of Veterinary Sciences, University of Wyoming, Laramie, Wyoming, USA;
- School of Veterinary Medicine, University of California, Davis, California, USA; ,
| | - Lisa A Tell
- School of Veterinary Medicine, University of California, Davis, California, USA; ,
| | - Christine A Bishop
- Environment and Climate Change Canada, Delta, British Columbia, Canada; ,
| | - Ana M González
- Environment and Climate Change Canada, Delta, British Columbia, Canada; ,
| | - Emily R Lumsdaine
- School of Veterinary Medicine, University of California, Davis, California, USA; ,
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Harl J, Fauchois A, Puech MP, Gey D, Ariey F, Izac B, Weissenböck H, Chakarov N, Iezhova T, Valkiūnas G, Duval L. Novel phylogenetic clade of avian Haemoproteus parasites (Haemosporida, Haemoproteidae) from Accipitridae raptors, with description of a new Haemoproteus species. Parasite 2024; 31:5. [PMID: 38334685 PMCID: PMC10854483 DOI: 10.1051/parasite/2023066] [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: 08/01/2023] [Accepted: 12/18/2023] [Indexed: 02/10/2024] Open
Abstract
Avian haemosporidian parasites (order Haemosporida, phylum Apicomplexa) are blood and tissue parasites transmitted by blood-sucking dipteran insects. Three genera (Plasmodium, Haemoproteus and Leucocytozoon) have been most often found in birds, with over 270 species described and named in avian hosts based mainly on the morphological characters of blood stages. A broad diversity of Haemoproteus parasites remains to be identified and characterized morphologically and molecularly, especially those infecting birds of prey, an underrepresented bird group in haemosporidian parasite studies. The aim of this study was to investigate and identify Haemoproteus parasites from a large sample comprising accipitriform raptors of 16 species combining morphological and new molecular protocols targeting the cytb genes of this parasite group. This study provides morphological descriptions and molecular characterizations of two Haemoproteus species, H. multivacuolatus n. sp. and H. nisi Peirce and Marquiss, 1983. Haemoproteus parasites of this group were so far found in accipitriform raptors only and might be classified into a separate subgenus or even genus. Cytb sequences of these parasites diverge by more than 15% from those of all others known avian haemosporidian genera and form a unique phylogenetic clade. This study underlines the importance of developing new diagnostic tools to detect molecularly highly divergent parasites that might be undetectable by commonly used conventional tools.
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Affiliation(s)
- Josef Harl
- Institute of Pathology, Department of Pathobiology, University of Veterinary Medicine Vienna Veterinaerplatz 1 1210 Vienna Austria
| | - Anaïs Fauchois
- Département Adaptations du Vivant (AVIV), Molécules de Communication et Adaptation des Microorganismes (MCAM, UMR 7245 CNRS), Muséum National d’Histoire Naturelle, CNRS, CP 52 57 rue Cuvier 75231 Cedex 05 Paris France
| | - Marie-Pierre Puech
- Hôpital de la faune sauvage des Garrigues et Cévennes – Goupil Connexion 34190 Brissac France
| | - Delphine Gey
- Département Adaptations du Vivant (AVIV), Molécules de Communication et Adaptation des Microorganismes (MCAM, UMR 7245 CNRS), Muséum National d’Histoire Naturelle, CNRS, CP 52 57 rue Cuvier 75231 Cedex 05 Paris France
| | - Frédéric Ariey
- Université de Paris, INSERM 1016, Institut Cochin, Service de Parasitologie-Mycologie Hôpital Cochin Paris France
| | - Brigitte Izac
- Université de Paris, INSERM 1016, Institut Cochin, Service de Parasitologie-Mycologie Hôpital Cochin Paris France
| | - Herbert Weissenböck
- Institute of Pathology, Department of Pathobiology, University of Veterinary Medicine Vienna Veterinaerplatz 1 1210 Vienna Austria
| | - Nayden Chakarov
- Department of Animal Behaviour, Bielefeld University Konsequenz 45 33615 Bielefeld Germany
| | | | | | - Linda Duval
- Département Adaptations du Vivant (AVIV), Molécules de Communication et Adaptation des Microorganismes (MCAM, UMR 7245 CNRS), Muséum National d’Histoire Naturelle, CNRS, CP 52 57 rue Cuvier 75231 Cedex 05 Paris France
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Himmel T, Harl J, Matt J, Nedorost N, Lunardi M, Ilgūnas M, Iezhova T, Valkiūnas G, Weissenböck H. Co-infecting Haemoproteus species (Haemosporida, Apicomplexa) show different host tissue tropism during exo-erythrocytic development in Fringilla coelebs (Fringillidae). Int J Parasitol 2024; 54:1-22. [PMID: 37598774 DOI: 10.1016/j.ijpara.2023.07.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 08/22/2023]
Abstract
Avian haemosporidians of the genera Plasmodium, Haemoproteus, and Leucocytozoon are common blood parasites in wild birds all over the world. Despite their importance as pathogens potentially compromising host fitness and health, little is known about the exo-erythrocytic development of these parasites, particularly during co-infections which predominate in wildlife. This study aimed to address this issue using Haemoproteus parasites of Fringilla coelebs, a common bird species of the Western Palearctic and host to a variety of haemosporidian parasite lineages. Blood and tissue samples of 20 F. coelebs, positive for haemosporidians by blood film microscopy, were analysed by PCR and sequencing to determine cytochrome b lineages of the parasites. Tissue sections were examined for exo-erythrocytic stages by histology and in situ hybridization applying genus-, species-, and lineage-specific probes which target the 18S rRNA of the parasites. In addition, laser microdissection of tissue stages was performed to identify parasite lineages. Combined molecular results of PCR, laser microdissection, and in situ hybridization showed a high rate of co-infections, with Haemoproteus lineages dominating. Exo-erythrocytic meronts of five Haemoproteus spp. were described for the first known time, including Haemoproteus magnus hCCF6, Haemoproteus fringillae hCCF3, Haemoproteus majoris hCCF5, Haemoproteus sp. hROFI1, and Haemoproteus sp. hCCF2. Merogonic stages were observed in the vascular system, presenting a formerly unknown mode of exo-erythrocytic development in Haemoproteus parasites. Meronts and megalomeronts of these species were distinct regarding their morphology and organ distribution, indicating species-specific patterns of merogony and different host tissue tropism. New pathological aspects of haemoproteosis were reported. Furthermore, phylogenetic analysis of Haemoproteus spp. with regard to their exo-erythrocytic stages points towards separation of non-megalomeront-forming species from megalomeront-forming species, calling for further studies on exo-erythrocytic development of haemosporidian parasites to explore the phylogenetic character of this trait.
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Affiliation(s)
- Tanja Himmel
- Institute of Pathology, Department for Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria.
| | - Josef Harl
- Institute of Pathology, Department for Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria
| | - Julia Matt
- Institute of Pathology, Department for Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria
| | - Nora Nedorost
- Institute of Pathology, Department for Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria
| | - Madeleine Lunardi
- Institute of Pathology, Department for Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria
| | - Mikas Ilgūnas
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania
| | - Tatjana Iezhova
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania
| | | | - Herbert Weissenböck
- Institute of Pathology, Department for Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria
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Haas M, Ploščicová L. Contribution to ecological environmental factors and the occurrence of haemosporidians in birds in Zhongar Alatau National Park, Kazakhstan. Parasitol Res 2023; 123:68. [PMID: 38135737 PMCID: PMC10746751 DOI: 10.1007/s00436-023-08097-7] [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: 08/15/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023]
Abstract
In addition to the presence of a suitable host and vector, the prevalence of haemosporidians is influenced by several important factors, including the environmental conditions of the habitat, which depend on broader geographic characteristics. The aim of this study is to perform a preliminarily assessment of the distribution of blood parasites in birds from the mountainous area of Zhongar Alatau NP and to find potential new sites for research on their ecology in Kazakhstan. The results of this research constitute the first report on the occurrence of blood parasites from this area. A total of 58 birds, from the order Passeriformes and one individual from the order Caprimulgiformes, were examined during the study. The overall prevalence of infections caused by haemosporidian parasites (Haemoproteus, Leucocytozoon) was 18.6%. Neither the genus Plasmodium nor the presence of trypanosomes and microfilariae was detected in the birds examined. Three birds (5.1% prevalence) were infected with parasites of the genus Haemoproteus, in all eleven positive birds the analyses showed the presence of parasites of the genus Leucocytozoon (18.6% prevalence). The presence of parasites genus Haemoproteus was detected only in birds that were also infected with Leucocytozoon parasites. More infections with parasites of the genus Leucocytozoon are predicted due to the higher altitude and ecological factors at the capture sites, which are more favourable for the development of vectors of this genus. The species Haemoproteus majoris was detected in the host Emberiza cioides and species Haemoproteus minutus in host Turdus merula. Other species of this genus in the hosts Cyanistes cyanus and Turdus atrogularis were not determined. The species Leucocytozoon fringilinarum was detected in the hosts Cyanistes cyanus and Parus major, Leucocytozoon dubreuili was detected in Turdus atrogularis and Turdus merula. In the other host species Aegithalos caudatus, Emberiza cioides and Periparus aterus, it was not possible to dermine the species of the genus Leucocytozoon.
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Affiliation(s)
- Martina Haas
- Institute of High Mountain Biology, Žilina University, Tatranská Javorina 7, 059 56, Tatranská Javorina, Slovakia.
| | - Lenka Ploščicová
- Institute of High Mountain Biology, Žilina University, Tatranská Javorina 7, 059 56, Tatranská Javorina, Slovakia
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10
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Zerek A, Ceylan O, Erdem I, Simsek FN, Yaman M, Isler CT, Ceylan E. Molecular investigation of Haemoproteus and Plasmodium species of some raptors in Hatay province: new CytB lineages for raptors of Accipitriformes in Turkey. Parasitol Res 2023; 122:2423-2432. [PMID: 37615737 DOI: 10.1007/s00436-023-07948-7] [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: 02/21/2023] [Accepted: 08/18/2023] [Indexed: 08/25/2023]
Abstract
Accipitriform raptors are significant indicators of biodiversity and environmental health. Currently, most of the studies on avian haemosporidian parasites are on passerine birds, and data on raptors is constricted, with similarities both around the world and in Turkey. This study aimed to investigate the presence of Haemoproteus and Plasmodium spp. in raptors by microscopy and nested PCR technique. The study material consisted of 47 accipitriform raptors (Buteo buteo: 14, Buteo rufinus: 7, Clanga pomarina: 8, Circaetus gallicus: 12, Milvus migrans: 6). The prevalence of haemosporidian infection was 12.8% (6/47, 1 from Buteo buteo, 4 from Clanga pomarina, 1 from Milvus migrans) microscopically and 14.9% (7/47) molecularly. One Circaetus gallicus, microscopically found to be negative, probably due to low parasitemia, was molecularly found to be positive. All PCR-positive amplicons were bidirectionally sequenced, and the identification of lineages of the isolates and phylogenetic analysis were performed using the MalAvi and GenBank databases. The study revealed H-MILANS02 lineage in Buteo buteo, H-MILANS02 and P-CIAE1 lineages in Clanga pomarina, P-GRW06 lineage in Circaetus gallicus, and P-RTSR1 lineage in Milvus migrans, respectively. While this study removes the uncertainty regarding the reporting of the H-MILANS02 lineage in Turkey, it is also the first report to reveal 3 different Plasmodium spp. CytB lineages in raptors. Moreover, the fact that the P-GRW06 lineage (Plasmodium elongatum) detected in passerine birds was detected in a raptor, Circaetus gallicus, draws attention to the need for further investigations on host-parasite interaction and gives clues about the host-shifting ability of this parasite.
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Affiliation(s)
- Aykut Zerek
- Department of Veterinary Parasitology, Faculty of Veterinary Medicine, Hatay Mustafa Kemal University, 31040, Hatay, Turkey.
| | - Onur Ceylan
- Department of Veterinary Parasitology, Faculty of Veterinary Medicine, Selcuk University, 42130, Konya, Turkey
| | - Ipek Erdem
- Department of Veterinary Parasitology, Faculty of Veterinary Medicine, Hatay Mustafa Kemal University, 31040, Hatay, Turkey
| | - Fatma Nuray Simsek
- Department of Veterinary Parasitology, Faculty of Veterinary Medicine, Hatay Mustafa Kemal University, 31040, Hatay, Turkey
| | - Mehmet Yaman
- Department of Veterinary Parasitology, Faculty of Veterinary Medicine, Hatay Mustafa Kemal University, 31040, Hatay, Turkey
| | - Cafer Tayer Isler
- Department of Surgery, Faculty of Veterinary Medicine, Hatay Mustafa Kemal University, 31040, Hatay, Turkey
| | - Eren Ceylan
- Department of Surgery, Faculty of Veterinary Medicine, Hatay Mustafa Kemal University, 31040, Hatay, Turkey
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Boonchuay K, Thomrongsuwannakij T, Chagas CRF, Pornpanom P. Prevalence and Diversity of Blood Parasites ( Plasmodium, Leucocytozoon and Trypanosoma) in Backyard Chickens ( Gallus gallus domesticus) Raised in Southern Thailand. Animals (Basel) 2023; 13:2798. [PMID: 37685062 PMCID: PMC10486576 DOI: 10.3390/ani13172798] [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: 08/02/2023] [Revised: 08/29/2023] [Accepted: 09/01/2023] [Indexed: 09/10/2023] Open
Abstract
Avian malaria and leucocytozoonosis can cause fatal diseases, whereas avian trypanosomiasis is reported to be harmless in chickens. Backyard chickens can be infected by several pathogens, including blood parasites, that may shed to industrial poultry production, with a consequently higher economic impact. This study aimed to investigate the presence of several blood parasites (Plasmodium, Leucocytozoon and Trypanosoma) in backyard chickens raised in Southern Thailand, using PCR-based detection and microscopic methods. From June 2021 to June 2022, 57 backyard chickens were sampled. Fresh thin blood smears were prepared from 11 individuals, and buffy coat smears were prepared from 55 of them. Both thin blood smears and buffy coat smears were used for microscopic analysis. Two nested PCR protocols that amplify a fragment of cytochrome b (cytb) and small subunit rRNA (SSU rRNA) genes were used to identify Haemosporida and Trypanosoma parasites, respectively. The number of positive samples was higher with the application of nested PCR than when buffy coat smears were used. Three new Plasmodium lineages (GALLUS47-49) and thirteen Leucocytozoon lineages (GALLUS50-62) were found. Trophozoites, meronts and gametocytes of Plasmodium gallinaceum (GALLUS01) were present in one thin blood smear. All thin blood smears revealed Leucocytozoon infections, but only three samples were a single infection. These three samples revealed the presence of fusiform host cell-parasite complexes, of which the morphological features resembled those of Leucocytozoon macleani (possible synonym is Leucocytozoon sabrazesi), while the cytb showed that this parasite is closely related to the lineage GALLUS06-07, described as Leucocytozoon schouteni. The Trypanosoma prevalence was 33.33%; it was present in only one of the thin blood smears, and it resembles Trypanosoma calmettei. This study showed the prevalence of a high diversity of Plasmodium (64.91%) and Leucocytozoon (89.47%) in Thai chickens. Both nested-PCR and buffy coat smear can be used as the diagnostic tool for the testing of Plasmodium, Leucocytozoon and Trypanosoma for parasitic control in backyard chickens and poultry farms. The information on the parasite species that can be found in chickens raised in Southern Thailand was also considered as the baseline information for further study.
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Affiliation(s)
- Kanpapat Boonchuay
- Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat 80160, Thailand; (K.B.); (T.T.)
| | | | | | - Pornchai Pornpanom
- Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat 80160, Thailand; (K.B.); (T.T.)
- Informatics Innovation Center of Excellence, Walailak University, Nakhon Si Thammarat 80160, Thailand
- One Health Research Center, Walailak University, Nakhon Si Thammarat 80160, Thailand
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12
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Duc M, Himmel T, Ilgūnas M, Eigirdas V, Weissenböck H, Valkiūnas G. Exo-erythrocytic development of two Haemoproteus species (Haemosporida, Haemoproteidae), with description of Haemoproteus dumbbellus, a new blood parasite of bunting birds (Emberizidae). Int J Parasitol 2023; 53:531-543. [PMID: 37263375 PMCID: PMC7615398 DOI: 10.1016/j.ijpara.2023.02.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/06/2023] [Accepted: 02/13/2023] [Indexed: 06/03/2023]
Abstract
Avian haemosporidians are widespread parasites categorized into four families of the order Haemosporida (Apicomplexa). Species of the subgenus Parahaemoproteus (genus Haemoproteus) belong to the Haemoproteidae and are transmitted by Culicoides biting midges. Reports of death due to tissue damage during haemoproteosis in non-adapted birds have raised concerns about these pathogens, especially as their exo-erythrocytic development is known for only a few Haemoproteus spp. More research is needed to better understand the patterns of the parasites' development in tissues and their impact on avian hosts. Yellowhammers Emberiza citrinella (Emberizidae) and common house martins Delichon urbicum (Hirundinidae) were screened for Haemoproteus parasites by microscopic examination of blood films and PCR-based testing. Individuals with single infection were selected for histological investigations. H & E-stained sections were screened for detection and characterization of the exo-erythrocytic stages, while chromogenic in situ hybridization (CISH) and phylogenetic analysis were performed to confirm the Haemoproteus origin and their phylogenetic relationships. Haemoproteus dumbbellus n. sp. was discovered in Emberiza citrinella single-infected with the lineage hEMCIR01. Meronts of H. dumbbellus n. sp. developed in various organs of five of six tested individuals, a pattern which was reported in other Haemoproteus species clustering in the same clade, suggesting this could be a phylogenetic trait. By contrast, in Delichon urbicum infected with the Haemoproteus lineage hDELURB2, which was linked to the more distantly related parasite Haemoproteus hirundinis, only megalomeronts were found in the pectoral muscles of two of six infected individuals. All exo-erythrocytic stages were confirmed to be Haemoproteus parasites by CISH using a Haemoproteus genus-specific probe. While the development of meronts seems to be typical for species of the clade containing H. dumbbellus, further investigations and data from more species are needed to explore whether a phylogenetic pattern occurs in meront or megalomeront formation.
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Affiliation(s)
- Mélanie Duc
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania.
| | - Tanja Himmel
- Institute of Pathology, Department for Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria.
| | - Mikas Ilgūnas
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania
| | - Vytautas Eigirdas
- Ventės Ragas Ornithological Station, Marių 24, 99361 Ventė, Lithuania
| | - Herbert Weissenböck
- Institute of Pathology, Department for Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210 Vienna, Austria
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Wu S, Nie Q, Tan S, Liao G, Lv Y, Lv C, Chen G, Liu S. The immunity modulation of transforming growth factor-β in malaria and other pathological process. Int Immunopharmacol 2023; 122:110658. [PMID: 37467691 DOI: 10.1016/j.intimp.2023.110658] [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: 05/14/2023] [Revised: 07/09/2023] [Accepted: 07/14/2023] [Indexed: 07/21/2023]
Abstract
The main causative agent of malaria in humans is Plasmodium falciparum, which is spread through biting Anopheles mosquitoes. Immunoregulation in the host involving the pleiotropic cytokine transforming growth factor-β (TGF-β) has a vital role in controlling the immune response to P. falciparum infection. Based on a search of the published literature, this study investigated the correlation between malaria and immune cells, specifically the role of TGF-β in the immune response. The studies analyzed showed that, when present in low amounts, TGF-β promotes inflammation, but inhibits inflammation when present in high concentrations; thus, it is an essential regulator of inflammation. It has also been shown that the quantity of TGF-β produced by the host can influence how badly the parasite affects the host. Low levels of TGF-β in the host prevent the host from being able to manage the inflammation that Plasmodium causes, which results in a pathological situation that leaves the host vulnerable to fatal infection. Additionally, the amount of TGF-β fluctuates throughout the host's Plasmodium infection. At the beginning of a Plasmodium infection, TGF-β levels are noticeably increased, and as Plasmodium multiplies quickly, they start to decline, hindering further growth. In addition, it is also involved in the growth, proliferation, and operation of various types of immune cell and correlated with levels of cytokines associated with the immune response to malaria. TGF-β levels were positively connected with the anti-inflammatory cytokine interleukin-10 (IL-10), but negatively correlated with the proinflammatory cytokines interferon-γ (IFN-γ) and IL-6 in individuals with severe malaria. Thus, TGF-β might balance immune-mediated pathological damage and the regulation and clearance of infectious pathogens. Numerous domestic and international studies have demonstrated that TGF-β maintains a dynamic balance between anti-inflammation and pro-inflammation in malaria immunity by acting as an anti-inflammatory factor when inflammation levels are too high and as a pro-inflammatory factor when inflammation levels are deficient. Such information could be of relevance to the design of urgently needed vaccines and medications to meet the emerging risks associated with the increasing spread of malaria and the development of drug resistance.
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Affiliation(s)
- Shuang Wu
- Department of Basic Medical Sciences, Taizhou University, No 1139 Shifu Road, Jiaojiang District, Taizhou, China
| | - Qing Nie
- Weifang Centers for Disease Control and Prevention, No 4801 Huixian Road, Gaoxin District, Shandong Province, Weifang 261061, China
| | - Shuang Tan
- Department of Basic Medical Sciences, Taizhou University, No 1139 Shifu Road, Jiaojiang District, Taizhou, China
| | - Guoyan Liao
- Department of Basic Medical Sciences, Taizhou University, No 1139 Shifu Road, Jiaojiang District, Taizhou, China
| | - Yinyi Lv
- Department of Basic Medical Sciences, Taizhou University, No 1139 Shifu Road, Jiaojiang District, Taizhou, China
| | - Caohua Lv
- Department of Dermatology, Taizhou Second People's Hospital, No 2 Shuinan East Road, Tiantai Country, Taizhou 317200, China
| | - Guang Chen
- Department of Basic Medical Sciences, Taizhou University, No 1139 Shifu Road, Jiaojiang District, Taizhou, China.
| | - Shuangchun Liu
- Municipal Hospital Affiliated to Medical School of Taizhou University, No 381, Zhongshan East Road, Jiaojiang District, Taizhou 318000, China.
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14
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Harl J, Himmel T, Ilgūnas M, Valkiūnas G, Weissenböck H. The 18S rRNA genes of Haemoproteus (Haemosporida, Apicomplexa) parasites from European songbirds with remarks on improved parasite diagnostics. Malar J 2023; 22:232. [PMID: 37563610 PMCID: PMC10416517 DOI: 10.1186/s12936-023-04661-9] [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: 04/19/2023] [Accepted: 07/27/2023] [Indexed: 08/12/2023] Open
Abstract
BACKGROUND The nuclear ribosomal RNA genes of Plasmodium parasites are assumed to evolve according to a birth-and-death model with new variants originating by duplication and others becoming deleted. For some Plasmodium species, it has been shown that distinct variants of the 18S rRNA genes are expressed differentially in vertebrate hosts and mosquito vectors. The central aim was to evaluate whether avian haemosporidian parasites of the genus Haemoproteus also have substantially distinct 18S variants, focusing on lineages belonging to the Haemoproteus majoris and Haemoproteus belopolskyi species groups. METHODS The almost complete 18S rRNA genes of 19 Haemoproteus lineages of the subgenus Parahaemoproteus, which are common in passeriform birds from the Palaearctic, were sequenced. The PCR products of 20 blood and tissue samples containing 19 parasite lineages were subjected to molecular cloning, and ten clones in mean were sequenced each. The sequence features were analysed and phylogenetic trees were calculated, including sequence data published previously from eight additional Parahaemoproteus lineages. The geographic and host distribution of all 27 lineages was visualised as CytB haplotype networks and pie charts. Based on the 18S sequence data, species-specific oligonucleotide probes were designed to target the parasites in host tissue by in situ hybridization assays. RESULTS Most Haemoproteus lineages had two or more variants of the 18S gene like many Plasmodium species, but the maximum distances between variants were generally lower. Moreover, unlike in most mammalian and avian Plasmodium species, the 18S sequences of all but one parasite lineage clustered into reciprocally monophyletic clades. Considerably distinct 18S clusters were only found in Haemoproteus tartakovskyi hSISKIN1 and Haemoproteus sp. hROFI1. The presence of chimeric 18S variants in some Haemoproteus lineages indicates that their ribosomal units rather evolve in a semi-concerted fashion than according to a strict model of birth-and-death evolution. CONCLUSIONS Parasites of the subgenus Parahaemoproteus contain distinct 18S variants, but the intraspecific variability is lower than in most mammalian and avian Plasmodium species. The new 18S data provides a basis for more thorough investigations on the development of Haemoproteus parasites in host tissue using in situ hybridization techniques targeting specific parasite lineages.
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Affiliation(s)
- Josef Harl
- Department of Pathobiology, Institute of Pathology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Tanja Himmel
- Department of Pathobiology, Institute of Pathology, University of Veterinary Medicine Vienna, Vienna, Austria
| | | | | | - Herbert Weissenböck
- Department of Pathobiology, Institute of Pathology, University of Veterinary Medicine Vienna, Vienna, Austria
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15
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Yabsley MJ, Coker SM, Welch CN, Garrett KB, Murray M, Grunert R, Seixas JS, Kistler WM, Curry SE, Adams HC, Nakatsu CS, Swanepoel L, Wyckoff ST, Koser TM, Kurimo-Beechuk E, Haynes E, Hernandez SM. A single Haemoproteus plataleae haplotype is widespread in white ibis ( Eudocimus albus) from urban and rural sites in southern Florida. Int J Parasitol Parasites Wildl 2023; 21:269-276. [PMID: 37520900 PMCID: PMC10372042 DOI: 10.1016/j.ijppaw.2023.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/27/2023] [Accepted: 06/27/2023] [Indexed: 08/01/2023]
Abstract
The American white ibis (Eudocimus albus), a common bird species in Florida, has become increasingly urban, with many populations relying heavily on urban and suburban habitats, which may alter parasite transmission. Parasites of ibis, especially haemosporidians, are understudied. Avian haemosporidia can have a wide range of impacts on birds, including decreased reproductive success or increased mortality. Because southern Florida is subtropical and has a high diversity of potential vectors for haemosporidia, we hypothesized that there will be a high prevalence and genetic diversity of haemosporidia in white ibis. A total of 636 ibis from South Florida were sampled from 2010 to 2022, and blood samples were tested for haemosporidia by examination of Giemsa-stained thin blood smears and/or nested PCRs targeting the cytochrome b gene. A total of 400 (62.9%, 95% CI 59-66.7%) ibis were positive for parasites that were morphologically identified as Haemoproteus plataleae. Sequences of 302 positives revealed a single haplotype of Haemoproteus (EUDRUB01), which was previously reported from white ibis in South Florida and captive scarlet ibis (E. ruber) in Brazil. No Plasmodium or Leucocytozoon infections were detected. Parasitemias of the 400 positive birds were very low (average 0.084%, range 0.001%-2.16% [although only 2 birds had parasitemias >1%]). Prevalence and parasitemias were similar for males and females (68% vs. 61.6% and 0.081% vs. 0.071%, respectively). Prevalence in juveniles was lower compared with adults (52% vs. 67.4%) but parasitemias were higher in juveniles (0.117% vs. 0.065%). This data shows that H. plataleae is common in ibis in South Florida. Although parasitemias were generally low, additional research is needed to determine if this parasite has subclinical effects on ibis, if additional haplotypes or parasite species infect ibis in other regions of their range, or if H. plataleae is pathogenic for other sympatric avian species.
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Affiliation(s)
- Michael J. Yabsley
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
- Center for Ecology of Infectious Diseases, University of Georgia, Athens, GA, USA
| | - Sarah M. Coker
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Catharine N. Welch
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
- Common Ground Ecology, Tampa, FL, USA
| | - Kayla B. Garrett
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Maureen Murray
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Ryan Grunert
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Julia S. Seixas
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Whitney M. Kistler
- School of Mathematics and Sciences, Lincoln Memorial University, Harrogate, TN, USA
| | - Shannon E. Curry
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Henry C. Adams
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Charlie S. Nakatsu
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Liandrie Swanepoel
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Seth T. Wyckoff
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Troy M. Koser
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Elizabeth Kurimo-Beechuk
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Ellen Haynes
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
| | - Sonia M. Hernandez
- Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, USA
- Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, GA, USA
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Prompiram P, Mongkolphan C, Poltep K, Chunchob S, Sontigun N, Chareonviriyaphap T. Baseline study of the morphological and genetic characteristics of Haemoproteus parasites in wild pigeons ( Columba livia) from paddy fields in Thailand. Int J Parasitol Parasites Wildl 2023; 21:153-159. [PMID: 37228837 PMCID: PMC10205435 DOI: 10.1016/j.ijppaw.2023.04.003] [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: 02/08/2023] [Revised: 04/10/2023] [Accepted: 04/10/2023] [Indexed: 05/27/2023]
Abstract
Haemoproteus columbae is a common haemosporidian parasite of wild pigeons (Columba livia) reported worldwide. In Thailand, the wild pigeon population is increasing due to paddy field monoculture. However, there are limited reports on the presence of H. columbae in these pigeon populations. The aim of the study was to characterize H. columbae in wild pigeons. A total of 87 wild pigeons were examined using microscopic and molecular methods. Haemoproteus columbae was detected in approximately 27.6% of pigeons and their morphological characteristics were described. The partial cytochrome b (cyt b) gene sequence of H. columbae was then characterized into three common lineages (HAECOL1, COLIV03, and COQUI05). By highlighting the morphologic and genetic characteristics of H. columbae commonly found in this population of pigeons, this study provides essential regional knowledge about haemosporidian parasites that could benefit future taxonomic and phylogeographic studies.
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Affiliation(s)
- Phirom Prompiram
- The Monitoring and Surveillance Center for Zoonotic Diseases in Wildlife and Exotic Animals, Faculty of Veterinary Science, Mahidol University, Salaya, Nakhon Pathom, 73170, Thailand
| | - Chalisa Mongkolphan
- The Monitoring and Surveillance Center for Zoonotic Diseases in Wildlife and Exotic Animals, Faculty of Veterinary Science, Mahidol University, Salaya, Nakhon Pathom, 73170, Thailand
| | - Kanaporn Poltep
- The Monitoring and Surveillance Center for Zoonotic Diseases in Wildlife and Exotic Animals, Faculty of Veterinary Science, Mahidol University, Salaya, Nakhon Pathom, 73170, Thailand
| | - Supatra Chunchob
- Mahidol University, Division of Conservation Biology, School of Interdisciplinary Studies, Sai Yok, Kanchanaburi, 71150, Thailand
| | - Narin Sontigun
- Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat, 80161, Thailand
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Pacheco MA, Escalante AA. Origin and diversity of malaria parasites and other Haemosporida. Trends Parasitol 2023; 39:501-516. [PMID: 37202254 DOI: 10.1016/j.pt.2023.04.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/17/2023] [Accepted: 04/23/2023] [Indexed: 05/20/2023]
Abstract
Symbionts, including parasites, are ubiquitous in all world ecosystems. Understanding the diversity of symbiont species addresses diverse questions, from the origin of infectious diseases to inferring processes shaping regional biotas. Here, we review the current approaches to studying Haemosporida's species diversity and evolutionary history. Despite the solid knowledge of species linked to diseases, such as the agents of human malaria, studies on haemosporidian phylogeny, diversity, ecology, and evolution are still limited. The available data, however, indicate that Haemosporida is an extraordinarily diverse and cosmopolitan clade of symbionts. Furthermore, this clade seems to have originated with their vertebrate hosts, particularly birds, as part of complex community level processes that we are still characterizing.
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Affiliation(s)
- M Andreína Pacheco
- Biology Department/Institute of Genomics and Evolutionary Medicine (iGEM), Temple University, Philadelphia, PA 19122-1801, USA.
| | - Ananias A Escalante
- Biology Department/Institute of Genomics and Evolutionary Medicine (iGEM), Temple University, Philadelphia, PA 19122-1801, USA.
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Duc M, Himmel T, Harl J, Iezhova T, Nedorost N, Matt J, Ilgūnas M, Weissenböck H, Valkiūnas G. Comparative Analysis of the Exo-Erythrocytic Development of Five Lineages of Haemoproteus majoris, a Common Haemosporidian Parasite of European Passeriform Birds. Pathogens 2023; 12:898. [PMID: 37513745 PMCID: PMC10386383 DOI: 10.3390/pathogens12070898] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/19/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023] Open
Abstract
Haemoproteus parasites (Apicomplexa, Haemosporida) are widespread pathogens of birds, with a rich genetic (about 1900 lineages) and morphospecies (178 species) diversity. Nonetheless, their life cycles are poorly understood. The exo-erythrocytic stages of three Haemoproteus majoris (widespread generalist parasite) lineages have been previously reported, each in a different bird species. We aimed to further study and compare the development of five H. majoris lineages-hCCF5, hCWT4, hPARUS1, hPHSIB1, and hWW2-in a wider selection of natural avian hosts. A total of 42 individuals belonging to 14 bird species were sampled. Morphospecies and parasitemia were determined by microscopy of blood films, lineages by DNA-barcoding a 478 bp section of the cytochrome b gene, and exo-erythrocytic stages by histology and chromogenic in situ hybridization. The lineage hCWT4 was morphologically characterized as H. majoris for the first time. All lineage infections exclusively featured megalomeronts. The exo-erythrocytic stages found in all examined bird species were similar, particularly for the lineages hCCF5, hPARUS1, and hPHSIB1. Megalomeronts of the lineages hWW2 and hCWT4 were more similar to each other than to the former three lineages. The kidneys and gizzard were most often affected, followed by lungs and intestines; the site of development showed variation depending on the lineage.
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Affiliation(s)
- Mélanie Duc
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; (T.I.); (M.I.); (G.V.)
| | - Tanja Himmel
- Department for Pathobiology, Institute of Pathology, University of Veterinary Medicine Vienna, Veterinärplatz 1, 1210 Vienna, Austria; (T.H.); (J.H.); (N.N.); (J.M.); (H.W.)
| | - Josef Harl
- Department for Pathobiology, Institute of Pathology, University of Veterinary Medicine Vienna, Veterinärplatz 1, 1210 Vienna, Austria; (T.H.); (J.H.); (N.N.); (J.M.); (H.W.)
| | - Tatjana Iezhova
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; (T.I.); (M.I.); (G.V.)
| | - Nora Nedorost
- Department for Pathobiology, Institute of Pathology, University of Veterinary Medicine Vienna, Veterinärplatz 1, 1210 Vienna, Austria; (T.H.); (J.H.); (N.N.); (J.M.); (H.W.)
| | - Julia Matt
- Department for Pathobiology, Institute of Pathology, University of Veterinary Medicine Vienna, Veterinärplatz 1, 1210 Vienna, Austria; (T.H.); (J.H.); (N.N.); (J.M.); (H.W.)
| | - Mikas Ilgūnas
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; (T.I.); (M.I.); (G.V.)
| | - Herbert Weissenböck
- Department for Pathobiology, Institute of Pathology, University of Veterinary Medicine Vienna, Veterinärplatz 1, 1210 Vienna, Austria; (T.H.); (J.H.); (N.N.); (J.M.); (H.W.)
| | - Gediminas Valkiūnas
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; (T.I.); (M.I.); (G.V.)
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Prompiram P, Poltep K, Chaisilp N, Chakritbudsabong W, Buamas S, Rungarunlert S. Haemosporidian Parasites of White-Breasted Waterhens ( Amaurornis phoenicurus), with a Report and Molecular Characterization of Haemoproteus gallinulae in Thailand. Animals (Basel) 2023; 13:2006. [PMID: 37370516 DOI: 10.3390/ani13122006] [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: 04/20/2023] [Revised: 06/08/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
Haemosporidian parasites are vector-borne parasites infecting terrestrial vertebrates as well as avian species, such as the White-breasted Waterhen, a Gruiformes waterbird found in lowlands near wetlands and distributed throughout Thailand. However, information regarding haemosporidia infection in this species is lacking. To establish regional information, 17 blood samples were collected from White-breasted Waterhens. Four haemoparasite lineages were identified in six blood samples: Haemoproteus gallinulae, Plasmodium collidatum, Plasmodium elongatum, and an unidentified Plasmodium species. H. gallinulae was characterized with morphological features in White-breasted Waterhens for the first time; the morphological characteristics were consistent with previous descriptions. H. gallinulae was more closely related to Haemoproteus species of Passeriformes birds than to those of Gruiformes birds. The Plasmodium parasites infecting these White-breasted Waterhens previously caused severe avian malaria in other host species. The unidentified Plasmodium species had rarely been documented, although it was reported in the Culex vector and was possibly associated with specialist parasites either as host or habitat. Our findings reveal multiple haemosporidian species reflecting the role of this avian host as a carrier of haemosporidians. This study offers species records and molecular materials that may provide critical information for further targeted research into these haemosporidia.
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Affiliation(s)
- Phirom Prompiram
- The Monitoring and Surveillance Center for Zoonotic Diseases in Wildlife and Exotic Animals, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Kanaporn Poltep
- The Monitoring and Surveillance Center for Zoonotic Diseases in Wildlife and Exotic Animals, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Nattarun Chaisilp
- The Monitoring and Surveillance Center for Zoonotic Diseases in Wildlife and Exotic Animals, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Warunya Chakritbudsabong
- Department of Preclinic and Applied Animal Science, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
- Laboratory of Cellular Biomedicine and Veterinary Medicine, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Supakit Buamas
- Clinical Laboratory of Prasu-Arthorn Animal Hospital, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Sasitorn Rungarunlert
- Department of Preclinic and Applied Animal Science, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
- Laboratory of Cellular Biomedicine and Veterinary Medicine, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
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Valkiūnas G, Iezhova TA. Insights into the Biology of Leucocytozoon Species (Haemosporida, Leucocytozoidae): Why Is There Slow Research Progress on Agents of Leucocytozoonosis? Microorganisms 2023; 11:1251. [PMID: 37317225 DOI: 10.3390/microorganisms11051251] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 06/16/2023] Open
Abstract
Blood parasites of the genus Leucocytozoon (Leucocytozoidae) only inhabit birds and represent a readily distinct evolutionary branch of the haemosporidians (Haemosporida, Apicomplexa). Some species cause pathology and even severe leucocytozoonosis in avian hosts, including poultry. The diversity of Leucocytozoon pathogens is remarkable, with over 1400 genetic lineages detected, most of which, however, have not been identified to the species level. At most, approximately 45 morphologically distinct species of Leucocytozoon have been described, but only a few have associated molecular data. This is unfortunate because basic information about named and morphologically recognized Leucocytozoon species is essential for a better understanding of phylogenetically closely related leucocytozoids that are known only by DNA sequence. Despite much research on haemosporidian parasites during the past 30 years, there has not been much progress in taxonomy, vectors, patterns of transmission, pathogenicity, and other aspects of the biology of these cosmopolitan bird pathogens. This study reviewed the available basic information on avian Leucocytozoon species, with particular attention to some obstacles that prevent progress to better understanding the biology of leucocytozoids. Major gaps in current Leucocytozoon species research are discussed, and possible approaches are suggested to resolve some issues that have limited practical parasitological studies of these pathogens.
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Ehsani-Amrei SF, Motevalli-Haghi A, Nateghpour M, Mohebali M, Youssefi MR, Raiesi O, Mahdavi SA, Farivar L. Detection of Malaria Parasites and Other Haemosporidia in Migratory and Native Birds in Mazandaran and Golestan Provinces, Iran. J Arthropod Borne Dis 2022; 16:26-33. [PMID: 36636240 PMCID: PMC9807839 DOI: 10.18502/jad.v16i1.11189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 11/06/2021] [Indexed: 11/21/2022] Open
Abstract
Background A variety of haemoprotozoa including Plasmodium, Haemoproteus and Leucocytozoon cause infections in birds and are transmitted by some known vectors. These parasites cause anemia, low appetite, weakness and ultimately death in birds. The present study was aimed to determine these parasites, in birds of Mazandaran and Golestan provinces in Iran. Methods The project was performed on 340 live birds in 2016. The samples were collected from February to September 2016, from each bird, two thin and thick blood smears were prepared and the remaining blood about 1ml was kept in EDTA-containing tubes for molecular studies. The slides were stained with 10% Giemsa, then examined microscopically. About ten percent of the negative samples were considered for Polymerase Chain Reaction (PCR) technique, using specific primers to diagnose Plasmodium and Haemoproteus spp. Electrophoresis was done for PCR products and relevant bands to the parasites were identified based on the size. The considered birds belonged to ducks, chickens, roosters, and pigeons. Results From 340 microscopically examined blood samples 32 (9.5%) samples were positive. Twenty-five (7.35%) of them were infected with the genus Haemoproteus. Seven samples (14%) out of 50 microscopically negative samples were found as Haemoproteus or Plasmodium spp when PCR technique was employed. Conclusion This study revealed the existence of malaria parasites and other haemosporidia in birds in Iran. Employing molecular methods (PCR examination) could detect more infections.
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Affiliation(s)
- Seyedeh Fatemeh Ehsani-Amrei
- Department of Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Afsaneh Motevalli-Haghi
- Department of Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran,Corresponding authors: Dr Afsaneh Motevalli-Haghi, , , Dr Mehdi Nateghpour,
| | - Mehdi Nateghpour
- Department of Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran,Corresponding authors: Dr Afsaneh Motevalli-Haghi, , , Dr Mehdi Nateghpour,
| | - Mehdi Mohebali
- Department of Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Youssefi
- Department of Veterinary Parasitology, Babol Branch, Islamic Azad University, Babol, Iran
| | - Omid Raiesi
- Department of Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran,Department of Parasitology, School of Allied Medical Sciences, Ilam University of Medical Sciences, Ilam, Iran
| | - Seif Ali Mahdavi
- Amol Faculty of Paramedics, Mazandaran University of Medical Sciences, Sari, Iran
| | - Leila Farivar
- Department of Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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