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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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Dubiec A, Atamas N, Ledwoń M. Very low prevalence of haemosporidian parasites in two species of marsh terns. Parasitol Res 2023; 122:3063-3075. [PMID: 37907627 PMCID: PMC10667446 DOI: 10.1007/s00436-023-07997-y] [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: 04/12/2023] [Accepted: 09/27/2023] [Indexed: 11/02/2023]
Abstract
Vector-transmitted haemosporidians are among the most common parasites in birds, but our knowledge of the inter-specific patterns of infection rates and the parasite community composition is far from complete because of the unequal distribution of the screening effort across bird families and genera. To assess infection rates and the diversity of haemosporidians from the genera Plasmodium, Haemoproteus, and Leucocytozoon in marsh terns, which represent poorly explored in this regard genus of the family gulls, terns, and skimmers (Laridae), we screened two species: the Whiskered Tern (Chlidonias hybrida) and the Black Tern (Chlidonias niger). We sampled these long-distance migratory birds on breeding grounds: the Whiskered Tern in south-central Poland and north-central Ukraine, and the Black Tern-in north-central Ukraine. We found that birds from both species were infected only sporadically, with prevalence at the population level not exceeding 3.4%. Only parasites from the genera Plasmodium and Leucocytozoon were detected. There was neither an inter-specific difference nor a difference between populations of the Whiskered Tern in infection rates. In total, we registered three lineages-one Plasmodium and two Leucocytozoon-that were previously recorded in other bird species, and two unidentified Plasmodium infections. One of the lineages (Leucocytozoon LARCAC02) represents a specialist parasite with the host range restricted to larids and geographic range restricted to Poland, and two others (Plasmodium SGS1 and Leucocytozoon CIAE02) represent generalist parasites with very broad host and geographic ranges. This study reinforces the existing evidence that terns host parasites from genera Haemoproteus, Plasmodium, and Leucocytozoon only sporadically.
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Affiliation(s)
- Anna Dubiec
- Museum and Institute of Zoology, Polish Academy of Sciences, Wilcza 64, 00-679, Warsaw, Poland.
| | - Natalia Atamas
- Department of Animal Monitoring and Conservation, Laboratory of Population Ecology, I. I. Schmalhausen Institute of Zoology, National Academy of Sciences of Ukraine, B. Khmelnytskoho Str., 15, Kyiv, 01601, Ukraine
| | - Mateusz Ledwoń
- Institute of Systematics and Evolution of Animals, Polish Academy of Sciences, Sławkowska 17, 31-016, Cracow, Poland
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Vanstreels RET, Chagas CRF, Valkiūnas G, Dos Anjos CC, Parsons NJ, Roberts DG, Snyman A, Hurtado R, Kirchgatter K, Ludynia K, Pistorius PA. Haemoproteus jenniae (Haemoproteidae, Haemosporida) infects gulls ( Larus spp.) in South Africa, with redescription of Haemoproteus skuae. Parasitology 2023; 150:1286-1295. [PMID: 36951108 PMCID: PMC10941229 DOI: 10.1017/s003118202300029x] [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: 11/17/2022] [Revised: 03/06/2023] [Accepted: 03/10/2023] [Indexed: 03/24/2023]
Abstract
Haemoproteus spp. are dipteran-borne protozoa that infect erythrocytes and reticulo-endothelial cells of birds. These parasites are not usually transmitted between birds belonging to different orders. The suborder Lari (order Charadriiformes) comprises ~170 avian species, the majority of which are aquatic, including gulls, terns, auklets, murres and skuas, among others. In spite of the diversity of this avian group, there is limited known diversity of haemosporidian parasites, with only 4 recorded Haemoproteus morphospecies thus far. We examined the blood smears of 21 kelp gulls (Larus dominicanus) captured at a breeding colony in South Africa, as well as Haemoproteus-positive archival blood smears of 15 kelp gulls and 1 Hartlaub's gull (Larus hartlaubii) sampled while under care at seabird rehabilitation facilities in South Africa. Haemoproteus sp. infection was detected in 19% of wild-caught kelp gulls. All parasites from the gulls were morphologically identified as Haemoproteus jenniae, a species previously recorded in Lari birds at the Galapagos Islands (Ecuador), Rocas Atoll (Brazil) and Poland. Gene sequencing uncovered a new cytochrome b lineage, LARDOM01, which was closely related to the previously reported H. jenniae lineage CREFUR01. Additionally, we evaluated a hapantotype blood smear of Haemoproteus skuae, which had been described infecting a brown skua (Catharacta antarctica) in South Africa. We provide a redescription of H. skuae and discuss the morphological characters distinguishing it from H. jenniae. Further research is necessary to improve our knowledge about the host and geographic distribution, health effects and phylogeny of H. jenniae and H. skuae.
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Affiliation(s)
- Ralph E T Vanstreels
- Marine Apex Predator Research Unit (MAPRU), Department of Zoology, Nelson Mandela University, Gqeberha, South Africa
| | | | | | - Carolina C Dos Anjos
- Faculdade de Medicina, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo, Brazil
| | - Nola J Parsons
- Southern African Foundation for the Conservation of Coastal Birds (SANCCOB), Cape Town, South Africa
| | - David G Roberts
- Southern African Foundation for the Conservation of Coastal Birds (SANCCOB), Cape Town, South Africa
| | - Albert Snyman
- Southern African Foundation for the Conservation of Coastal Birds (SANCCOB), Cape Town, South Africa
| | - Renata Hurtado
- Southern African Foundation for the Conservation of Coastal Birds (SANCCOB), Cape Town, South Africa
| | - Karin Kirchgatter
- Faculdade de Medicina, Instituto de Medicina Tropical, Universidade de São Paulo, São Paulo, Brazil
- Instituto Pasteur, São Paulo, Brazil
| | - Katrin Ludynia
- Southern African Foundation for the Conservation of Coastal Birds (SANCCOB), Cape Town, South Africa
| | - Pierre A Pistorius
- Marine Apex Predator Research Unit (MAPRU), Department of Zoology, Nelson Mandela University, Gqeberha, South Africa
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de Angeli Dutra D, Khan AU, Ferreira FC, Beirão MV, Pichorim M, Moreira PA, Braga ÉM. Host phylogeny and seasonality shapes avian haemosporidian prevalence in a Brazilian biodiverse and dry forest: the Caatinga. Parasitology 2023; 150:1277-1285. [PMID: 37246557 PMCID: PMC10941212 DOI: 10.1017/s0031182023000549] [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: 11/30/2022] [Revised: 05/15/2023] [Accepted: 05/16/2023] [Indexed: 05/30/2023]
Abstract
The relationships between host phylogenetics, functional traits and parasites in wildlife remain poorly understood in the Neotropics, especially in habitats with marked seasonal variation. Here, we examined the effect of seasonality and host functional traits on the prevalence of avian haemosporidians (Plasmodium and Haemoproteus) in the Brazilian Caatinga, a seasonally dry tropical forest. 933 birds were evaluated for haemosporidian infections. We found a high parasitism prevalence (51.2%), which was correlated with phylogenetic relatedness among avian species. Prevalence varied drastically among the 20 well-sampled species, ranging from 0 to 70%. Seasonality was the main factor associated with infections, but how this abiotic condition influenced parasite prevalence varied according to the host-parasite system. Plasmodium prevalence increased during the rainy season and, after excluding the large sample size of Columbiformes (n = 462/933), Plasmodium infection rate was maintained high in the wet season and showed a negative association with host body mass. No association was found between non-Columbiform bird prevalence and seasonality or body mass when evaluating both Plasmodium and Haemoproteus or only Haemoproteus infections. Parasite community was composed of 32 lineages including 7 new lineages. We evidenced that even dry domains can harbour a high prevalence and diversity of vector-borne parasites and pointed out seasonality as a ruling factor.
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Affiliation(s)
| | - Asmat U Khan
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
- Department of Zoology, Shaheed Benazir Bhutto University, Sheringal Dir Upper Khyber Pakhtunkhwa, Pakistan
| | - Francisco C Ferreira
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
- Department of Entomology, Texas A&M University, College Station, TX, USA
- Department of Veterinary Pathobiology, Schubot Centre for Avian Health, Texas A&M University, College Station, TX, USA
| | - Marina V Beirão
- Departamento de Biodiversidade, Evolução e Meio Ambiente, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil
| | - Mauro Pichorim
- Departamento de Botânica e Zoologia, Ciências de Biociências, Universidade Federal do Rio Grande do Norte, Natal, RN, Brazil
| | - Patrícia A Moreira
- Departamento de Biodiversidade, Evolução e Meio Ambiente, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil
| | - Érika M Braga
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
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Skehel A, Ulloa C, Deresienski D, Regalado C, Muñoz-Pérez JP, Garcia JA, Hardesty BD, Passingham RK, Castañeda JS, Lewbart GA, Valle CA. Health status of the red-billed tropicbird ( Phaethon aethereus) determined by hematology, biochemistry, blood gases, and physical examination. PeerJ 2023; 11:e15713. [PMID: 37576513 PMCID: PMC10414024 DOI: 10.7717/peerj.15713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 06/15/2023] [Indexed: 08/15/2023] Open
Abstract
The red-billed tropicbird, Phaethon aethereus, is a species of seabird native to the Galápagos archipelago, and widely distributed across the neotropics. General health, blood chemistry, and haematology parameters have not been published for this species. Blood analyses were performed on samples drawn from 51 clinically healthy red-billed tropicbirds captured from their burrows at Islote Pitt on San Cristóbal Island in July, 2016 (21) and Daphne Major Island in June, 2017 (30). In the field, a point of care blood analyser (iSTAT) was used to obtain results for HCO3-, pH, pCO2, pO2, TCO2, iCa, Na, K, Cl, Hb, HCT, anion gap, creatinine, glucose and urea nitrogen. Additionally, a portable Lactate PlusTM analyser was used to measure blood lactate, and blood smears were also created in situ. The blood slides were used to estimate leukocyte counts and 100-cell differentials. Alongside these biochemistry and haematology parameters, average heart rate, respiratory rate, body temperature and scaled mass index (calculated from weight and a body measurement) were compared to determine the standard measurements for a healthy individual. The baseline data, and reference intervals reported in this paper are essential to detecting changes in the health of red-billed tropicbirds in the future.
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Affiliation(s)
- Alice Skehel
- Faculty of Science and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
| | - Catalina Ulloa
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
| | - Diane Deresienski
- Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States of America
- Colegio de Ciencias de la Salud, Medicina Veterinaria, Campus Cumbayá, Universidad San Francisco de Quito, Quito, Quito, Ecuador
| | - Cristina Regalado
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
| | - Juan Pablo Muñoz-Pérez
- Faculty of Science and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
| | - Juan Augusto Garcia
- Terrestrial Ecology, Parque Nacional Galápagos Directorate, Puerto Baquerizo Moreno, Galápagos, Ecuador
| | - Britta Denise Hardesty
- CSIRO Environment, Canbera, Australia
- Center for Marine Sociology, University of Tasmania, Hobart, Tasmania, Australia
| | - Ronald K. Passingham
- Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States of America
| | - Jason Steve Castañeda
- Terrestrial Ecology, Parque Nacional Galápagos Directorate, Puerto Baquerizo Moreno, Galápagos, Ecuador
| | - Gregory A. Lewbart
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
- Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, United States of America
| | - Carlos A. Valle
- Colegio de Ciencias Biológicas y Ambientales COCIBA and Galápagos Science Center GSC, Universidad San Francisco de Quito, Quito, Ecuador
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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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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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de Freitas RVM, Barino GTM, Cedrola F, Dias RJP, D'Agosto M, Massard CL. Insights on the taxonomy of Haemoproteus parasites infecting cracid birds. Parasitol Int 2023; 94:102730. [PMID: 36623802 DOI: 10.1016/j.parint.2023.102730] [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: 01/06/2022] [Revised: 01/04/2023] [Accepted: 01/05/2023] [Indexed: 01/09/2023]
Abstract
The Haemosporida order is a well-supported clade of heteroxenous parasites transmitted by dipteran insects and frequently found parasitizing wild birds. These parasites have already been reported in all zoogeographic regions of the world, except for Antarctica. One of the potential hosts of haemosporidians is the Cracidae family, which includes approximately 50 species, 22 of which are present in Brazil, classified within nine genera. Data on haemosporidian infecting individuals of the Cracidae family is scarce, with only three Haemoproteus species being recorded in this group of birds. We found Haemoproteus spp. infection in all Penelope obscura bronzina analyzed. Among the parasites found, we observed two lineages of Haemoproteus (PENOBS02 and PENOBS03), which were characterized by morphological, molecular and phylogenetic approaches. The morphological data on cracid haemosporidian parasites, together with our phylogenetic results, allows discussions on the taxonomy of the Haemoproteus parasites that infect birds of the Cracidae family.
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Affiliation(s)
| | - Glauber Thiago Martins Barino
- Laboratório de Protozoologia, Programa de Pós-graduação em Biodiversidade e Conservação da Natureza, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | - Franciane Cedrola
- Laboratório de Diversidade Genética, Departamento de Genética, Evolução, Microbiologia e Imunologia, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Roberto Júnio Pedroso Dias
- Laboratório de Protozoologia, Programa de Pós-graduação em Biodiversidade e Conservação da Natureza, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | - Marta D'Agosto
- Laboratório de Protozoologia, Programa de Pós-graduação em Biodiversidade e Conservação da Natureza, Universidade Federal de Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | - Carlos Luiz Massard
- Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal Rural do Rio de Janeiro, Seropédica, Rio de Janeiro, Brazil
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Valkiūnas G, Iezhova TA. Keys to the avian Haemoproteus parasites (Haemosporida, Haemoproteidae). Malar J 2022; 21:269. [PMID: 36123731 PMCID: PMC9487097 DOI: 10.1186/s12936-022-04235-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 06/26/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Haemoproteus is a sister genus to malaria parasites (Plasmodium), which both belong to the order Haemosporida (Apicomplexa). Parasites of both genera are flourishing in birds, however, Haemoproteus species are noticeably less investigated. This is unfortunate because knowledge about close relatives of malaria pathogens is important for better understanding the evolutionary origin and basic biological features of the entire group of haemosporidian infections. Moreover, recent findings show that Haemoproteus species can cause severe damage of various bird organs due to megalomeronts and other exo-erythrocytic stages. These haemosporidians are remarkably diverse, but remain neglected partly due to difficulties in species identification. Hundreds of Haemoproteus genetic lineages have been reported in birds, and numerous new lineages are found each year, but most remain unidentified to the species level. Numerous new Haemoproteus pathogens were described during the past 20 years. However, keys for their identification are absent. Identification of Haemoproteus species remains a difficult task and is an obstacle for better understanding of the distribution and epidemiology of these parasites. This study aimed to develop comprehensive keys for the identification of described avian Haemoproteus species using morphological features of their blood stages (gametocytes). METHODS Type and voucher preparations of avian Haemoproteus species were accessed in museums in Europe, Australia and the USA. Gametocytes of most described species were examined, and these data formed a background for this study. The data also were considered from published articles containing parasite species descriptions. The method of dichotomous keys was applied. The most difficult steps in the keys were accompanied with references to the corresponding parasite pictures. RESULTS In all, 201 published articles were included in this review. Morphological diagnostic features of gametocytes of all described Haemoproteus species were analysed and compared. Illustrated keys for identification of these parasite species were developed. Available information about the molecular characterization of Haemoproteus parasites was provided. CONCLUSION This review shows that 177 described species of avian Haemoproteus can be distinguished and identified in blood films using morphological characters of their gametocytes and host cells. These species were incorporated in the keys. Information about possible morphologically cryptic parasites was provided. Molecular markers are available for only 42% of the described Haemoproteus parasites, calling for researchers to fill this gap.
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Affiliation(s)
| | - Tatjana A Iezhova
- Nature Research Centre, Akademijos 2, 2100, LT-08412, Vilnius, Lithuania
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Włodarczyk R, Bouwhuis S, Bichet C, Podlaszczuk P, Chyb A, Indykiewicz P, Dulisz B, Betleja J, Janiszewski T, Minias P. Contrasting haemoparasite prevalence in larid species with divergent ecological niches and migration patterns. Parasitology 2022; 149:1479-1486. [PMID: 35768413 PMCID: PMC11010501 DOI: 10.1017/s0031182022000920] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 05/27/2022] [Accepted: 06/22/2022] [Indexed: 11/07/2022]
Abstract
Haemoparasites represent a diverse group of vector-borne parasites that infect a wide range of vertebrate hosts. In birds, haemoparasite infection rates may be associated with various ecological and life history traits, including habitat choice, colony size and migration distance. Here, we molecularly assessed the prevalence of 3 main haemoparasite genera (Plasmodium, Haemoproteus and Leucocytozoon) in 2 bird species with different habitat preferences and migratory behaviour: black-headed gulls (Chroicocephalus ridibundus) and common terns (Sterna hirundo). We found that gulls showed a much higher prevalence and diversity of Plasmodium or Haemoproteus (ca. 60% of individuals infected) than terns (zero prevalence). The prevalence of Leucocytozoon was low in both species (<3%). The differences in haemoparasite prevalences may be primarily driven by varying vector encounter rate resulting from different habitat preferences, as black-headed gulls mainly use vector-rich vegetated freshwater habitats, whereas common terns often use vector-poor coastal and brackish habitats. Since common terns migrate further than black-headed gulls, our results did not provide support for an association between haemoparasite prevalence and migratory distance. In gulls, we found a negative association between colony size and infection rates, suggestive of an ideal despotic distribution, and phylogenetic analyses of detected haemoparasite lineages provided evidence for higher host specificity in Haemoproteus than Plasmodium. Our results suggest that the preference for coastal areas and less vegetated habitats in terns may reduce haemoparasite infection rates compared to other larids, regardless of their migratory distance, emphasizing the role of ecological niches in parasite exposure.
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Affiliation(s)
- Radosław Włodarczyk
- Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 1/3, 90-237 Łódź, Poland
| | | | - Coraline Bichet
- Centre d'Etudes Biologiques de Chizé, UMR 7372, CNRS-La Rochelle Université, Villiers-en-Bois, France
| | - Patrycja Podlaszczuk
- Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 1/3, 90-237 Łódź, Poland
| | - Amelia Chyb
- Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 1/3, 90-237 Łódź, Poland
| | - Piotr Indykiewicz
- Department of Biology and Animal Environment, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, 85-084 Bydgoszcz, Poland
| | - Beata Dulisz
- Department of Ecology and Environmental Protection, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 3, 10-727 Olsztyn, Poland
| | - Jacek Betleja
- Department of Natural History, Upper Silesian Museum, Plac Jana III Sobieskiego 2, 41-902 Bytom, Poland
| | - Tomasz Janiszewski
- Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 1/3, 90-237 Łódź, Poland
| | - Piotr Minias
- Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 1/3, 90-237 Łódź, Poland
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11
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González AD, Lotta-Arevalo I, Fuentes-Rodríguez GA, Macías-Zacipa J, Acevedo-Cendales LD, Matta NE. Is Haemoproteus gabaldoni a valid species? An approach from morphology and molecular tools applied to parasites of Anseriformes. Acta Trop 2022; 233:106540. [PMID: 35623401 DOI: 10.1016/j.actatropica.2022.106540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/20/2022] [Accepted: 05/23/2022] [Indexed: 11/18/2022]
Abstract
Currently, there are three recognized species of haemoproteids infecting Anseriformes: Haemoproteus nettionis, H. macrovacuolatus, and H. greineri. Unfortunately, genetic information associated with a morphotype is available only for H. macrovacuolatus. We recently found a parasite morphologically compatible with Haemoproteus gabaldoni, a species Bennet (1993) described in a Cairina moschata (Muscovy duck) from Venezuela. This species was synonymized to H. nettionis by Valkiūnas (2005), arguing not enough morphological differentiation between them; it was said that H. greineri could be as well a synonym of H. nettionis. In this study, we aimed to provide evidence to determine if Haemoproteus gabaldoni is a different species of H. nettionis and help to clarify other species status. We first performed morphological and morphometrical analyses and compared this information against the parahapantotypes of H. greineri, H. gabaldoni and material diagnosed as H. nettionis provided by the International Reference center for Avian Haematozoa (IRCAH), and H. macrovacuolatus from the Host-Parasite Relationship Study Group (GERPH, in Spanish Grupo de Estudio Relación Parásito Hospedero) biological collection. We used Principal Component Analysis (PCA) of dimensionless standard morphometrical variables from gametocytes. Furthermore, we amplified a small fragment of cytochrome b (cyt b) to compare the sequence with information in GenBank and Malavi through phylogenetic analyses and haplotype networks. PCA analyses revealed the presence of three distinct groups in the samples studied, supported in the morphological traits of each parasite species analyzed; phylogenetic analyses grouped parasite lineages separately according to the host and continent of provenance. Such results indicate that, H. gabaldoni, is a different species from H. nettionis. One more time, it is demonstrated the importance of linking barcode surveys to morphological studies. Finally, it is highlighted the importance of biological collections as repositories of worldwide biodiversity.
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Affiliation(s)
- Angie D González
- Departamento de Biología, Facultad de Ciencias, Universidad Nacional de Colombia, Sede Bogotá, Colombia.
| | - Ingrid Lotta-Arevalo
- Departamento de Biología, Facultad de Ciencias, Universidad Nacional de Colombia, Sede Bogotá, Colombia
| | - Gustavo A Fuentes-Rodríguez
- Departamento de Biología, Facultad de Ciencias, Universidad Nacional de Colombia, Sede Bogotá, Colombia; Departamento de Salud Pública, Facultad de Medicina, Universidad Nacional de Colombia, Sede, Bogotá, Colombia
| | - Jhon Macías-Zacipa
- Departamento de Biología, Facultad de Ciencias, Universidad Nacional de Colombia, Sede Bogotá, Colombia; Programa Bacteriología y Laboratorio Clínico, Facultad de Ciencias de la Salud, Universidad Colegio Mayor de Cundinamarca, Bogotá, Colombia
| | | | - Nubia E Matta
- Departamento de Biología, Facultad de Ciencias, Universidad Nacional de Colombia, Sede Bogotá, Colombia
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12
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Hubálek Z. Pathogenic microorganisms associated with gulls and terns (Laridae). JOURNAL OF VERTEBRATE BIOLOGY 2021. [DOI: 10.25225/jvb.21009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Zdeněk Hubálek
- Institute of Vertebrate Biology of the Czech Academy of Sciences, Brno, Czech Republic; e-mail:
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Rodrigues RA, Felix GMF, Pichorim M, Moreira PA, Braga EM. Host migration and environmental temperature influence avian haemosporidians prevalence: a molecular survey in a Brazilian Atlantic rainforest. PeerJ 2021; 9:e11555. [PMID: 34221715 PMCID: PMC8231341 DOI: 10.7717/peerj.11555] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 05/11/2021] [Indexed: 12/13/2022] Open
Abstract
Avian haemosporidians are parasites with great capacity to spread to new environments and new hosts, being considered a good model to host-parasite interactions studies. Here, we examine avian haemosporidian parasites in a protected area covered by Restinga vegetation in northeastern Brazil, to test the hypothesis that haemosporidian prevalence is related to individual-level traits (age and breeding season), species-specific traits (diet, foraging strata, period of activity, species body weight, migratory status, and nest shape), and climate factors (temperature and rainfall). We screened DNA from 1,466 birds of 70 species captured monthly from April 2013 to March 2015. We detected an overall prevalence (Plasmodium/Haemoproteus infection) of 22% (44 host species) and parasite’s lineages were identified by mitochondrial cyt b gene. Our results showed that migration can be an important factor predicting the prevalence of Haemoproteus (Parahaemoproteus), but not Plasmodium, in hosts. Besides, the temperature, but not rainfall, seems to predict the prevalence of Plasmodium in this bird community. Neither individual-level traits analyzed nor the other species-specific traits tested were related to the probability of a bird becoming infected by haemosporidians. Our results point the importance of conducting local studies in particular environments to understand the degree of generality of factors impacting parasite prevalence in bird communities. Despite our attempts to find patterns of infection in this bird community, we should be aware that an avian haemosporidian community organization is highly complex and this complexity can be attributed to an intricate net of factors, some of which were not observed in this study and should be evaluated in future studies. We evidence the importance of looking to host-parasite relationships in a more close scale, to assure that some effects may not be obfuscated by differences in host life-history.
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Affiliation(s)
- Raquel A Rodrigues
- Parasitology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Mauro Pichorim
- Botany and Zoology, Universidade Federal do Rio Grande no Norte, Natal, Brazil
| | - Patricia A Moreira
- Biodiversity, Evolution and Environment, Universidade Federal de Ouro Preto, Ouro Preto, Brazil
| | - Erika M Braga
- Parasitology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Roth AM, Keiser CN, Williams JB, Gee JM. Prevalence and intensity of avian malaria in a quail hybrid zone. Ecol Evol 2021; 11:8123-8135. [PMID: 34188875 PMCID: PMC8216944 DOI: 10.1002/ece3.7645] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 04/14/2021] [Accepted: 04/19/2021] [Indexed: 01/12/2023] Open
Abstract
Hybrid zones have been described as natural laboratories by researchers who study speciation and the various mechanisms that may affect gene flow. The evolutionary consequences of hybridization depend not only on reproductive compatibility between sympatric species, but also on factors like vulnerability to each other's predators and parasites. We examined infection patterns of the blood parasite Haemoproteus lophortyx, a causative agent of avian malaria, at a site in the contact zone between California quail (Callipepla californica) and Gambel's quail (C. gambelii). Controlling for the potential influence of sex and year, we tested whether species identity predicted infection status and intensity. We found that infection prevalence was lower in California and hybrid quail compared with Gambel's quail. However, infected California and hybrid quail had higher infection intensities than Gambel's quail. California and hybrid quail exhibited no significant differences in prevalence or intensity of infection. These findings suggest that infection by H. lophortyx has the potential to influence species barrier dynamics in this system; however, more work is necessary to determine the exact evolutionary consequences of this blood parasite on hybridization.
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Affiliation(s)
| | - Carl N. Keiser
- Department of BiologyUniversity of FloridaGainesvilleFLUSA
| | - Judson B. Williams
- Department of Ecology and Evolutionary BiologyPrinceton UniversityPrincetonNJUSA
- Present address:
Department of SurgeryDuke UniversityRaleighNCUSA
| | - Jennifer M. Gee
- Department of Ecology and Evolutionary BiologyPrinceton UniversityPrincetonNJUSA
- Present address:
James San Jacinto Mountains ReserveUniversity of California – RiversideUniversity of California Natural Reserve SystemIdyllwildCAUSA
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Prevalence and genetic diversity of avian haemosporidian parasites in wild bird species of the order Columbiformes. Parasitol Res 2021; 120:1405-1420. [PMID: 33521839 PMCID: PMC7940316 DOI: 10.1007/s00436-021-07053-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 01/11/2021] [Indexed: 11/04/2022]
Abstract
Diseases can play a role in species decline. Among them, haemosporidian parasites, vector-transmitted protozoan parasites, are known to constitute a risk for different avian species. However, the magnitude of haemosporidian infection in wild columbiform birds, including strongly decreasing European turtle doves, is largely unknown. We examined the prevalence and diversity of haemosporidian parasites Plasmodium, Leucocytozoon and subgenera Haemoproteus and Parahaemoproteus in six species of the order Columbiformes during breeding season and migration by applying nested PCR, one-step multiplex PCR assay and microscopy. We detected infections in 109 of the 259 screened individuals (42%), including 15 distinct haemosporidian mitochondrial cytochrome b lineages, representing five H. (Haemoproteus), two H. (Parahaemoproteus), five Leucocytozoon and three Plasmodium lineages. Five of these lineages have never been described before. We discriminated between single and mixed infections and determined host species-specific prevalence for each parasite genus. Observed differences among sampled host species are discussed with reference to behavioural characteristics, including nesting and migration strategy. Our results support previous suggestions that migratory birds have a higher prevalence and diversity of blood parasites than resident or short-distance migratory species. A phylogenetic reconstruction provided evidence for H. (Haemoproteus) as well as H. (Parahaemoproteus) infections in columbiform birds. Based on microscopic examination, we quantified parasitemia, indicating the probability of negative effects on the host. This study provides a large-scale baseline description of haemosporidian infections of wild birds belonging to the order Columbiformes sampled in the northern hemisphere. The results enable the monitoring of future changes in parasite transmission areas, distribution and diversity associated with global change, posing a potential risk for declining avian species as the European turtle dove.
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A fatal case of a captive snowy owl (Bubo scandiacus) with Haemoproteus infection in Japan. Parasitol Res 2020; 120:277-288. [PMID: 33191448 DOI: 10.1007/s00436-020-06972-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 11/05/2020] [Indexed: 02/06/2023]
Abstract
Parasites of the genus Haemoproteus are vector-borne avian haemosporidia commonly found in bird species of the world. Haemoproteus infections are typically considered relatively benign in birds. However, some Haemoproteus species cause severe disease and mortality, especially for captive birds removed from their original habitat. In September 2018, a captive 15-year-old snowy owl (Bubo scandiacus), kept in a zoological garden of Japan, died subacutely after presenting leg dysfunction. This case showed significantly low PCV and elevated AST, ALT, CK, and LDH values. Many megalomeronts with prominent morphological characteristics of Haemoproteus were observed in the left leg muscles. Those megalomeronts exhibited multilocular structures and were internally filled with merozoites. A new lineage of Haemoproteus was detected by subsequent PCR for the cytochrome b (cytb) gene of avian haemosporidia from DNA extracted from several organ tissues. The detected lineage was classified in the subgenus Parahaemoproteus and was similar to those from the wild birds inhabiting the region including the study area, suggesting that this snowy owl likely acquired its infection from wild birds. This is the first report of a fatal case of a captive bird with a locally transmitted Haemoproteus infection in Japan. We considered the pathogenicity of this infection in conjunction with the clinical course and hematology results. We surmise that snowy owls may be particularly susceptible to infection with Haemoproteus parasites, and warming northern temperatures may exacerbate the overall health of these and other high latitude birds. Further research into the prevalence of Haemoproteus in wild birds near zoological gardens and potential biting midge vectors is necessary for the ex situ conservation of introduced birds.
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Barino GTM, Rossi MF, de Oliveira L, Reis Junior JL, D'Agosto M, Dias RJP. Haemoproteus syrnii (Haemosporida: Haemoproteidae) in owls from Brazil: morphological and molecular characterization, potential cryptic species, and exo-erythrocytic stages. Parasitol Res 2020; 120:243-255. [PMID: 33169308 DOI: 10.1007/s00436-020-06958-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 11/01/2020] [Indexed: 12/16/2022]
Abstract
Haemoproteus syrnii is a haemosporidian parasite found in owls. Although morphological and molecular data on the species is available, its exo-erythrocytic development was never researched. In this study, we provide the morphological, morphometric, and molecular characterization of H. syrnii populations found in owl species from Minas Gerais, southeast Brazil. We also characterized the coalescent species delimitation based on the molecular and histopathology data. Samples from 54 owls from six different species were analyzed, generating 11 sequences of the cyt b gene, from which six were new sequences. The overall prevalence of infection was high (72.22%). The H. syrnii sequences were grouped into two well-supported independent clades, which included other Haemoproteus (Parahaemoproteus) species. This was supported by both the coalescent species delimitation analysis and by the genetic divergence between lineages of these distinct clades. There were small morphological and morphometric differences within the population presented in this study. However, when compared with other studies, the molecular analysis demonstrated considerable intraspecific variation and suggests potential cryptic species. The histopathological analysis revealed, for the first time, that lungs and skeletal muscle are exo-erythrocytic stage location of H. syrnii, and that the parasite is linked to the histopathological changes found in owls. This study brings new data from Haemoproteus species biology and host infection, and improves host-parasite relationship understanding under an owl conservation perspective.
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Affiliation(s)
- Glauber Thiago Martins Barino
- Laboratório de Protozoologia (LabProto), LAZ, Programa de Pós-graduação em Biodiversidade e Conservação da Natureza, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Campus Universitário, Juiz de Fora, Minas Gerais, 36036-900, Brazil
| | - Mariana Fonseca Rossi
- Laboratório de Protozoologia (LabProto), LAZ, Programa de Pós-graduação em Biodiversidade e Conservação da Natureza, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Campus Universitário, Juiz de Fora, Minas Gerais, 36036-900, Brazil
| | - Luísa de Oliveira
- Laboratório de Protozoologia (LabProto), LAZ, Programa de Pós-graduação em Biodiversidade e Conservação da Natureza, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Campus Universitário, Juiz de Fora, Minas Gerais, 36036-900, Brazil
| | - Janildo Ludolf Reis Junior
- Departamento de Medicina Veterinária, Faculdade de Medicina, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, Brazil
| | - Marta D'Agosto
- Laboratório de Protozoologia (LabProto), LAZ, Programa de Pós-graduação em Biodiversidade e Conservação da Natureza, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Campus Universitário, Juiz de Fora, Minas Gerais, 36036-900, Brazil
| | - Roberto Júnio Pedroso Dias
- Laboratório de Protozoologia (LabProto), LAZ, Programa de Pós-graduação em Biodiversidade e Conservação da Natureza, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Campus Universitário, Juiz de Fora, Minas Gerais, 36036-900, Brazil.
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Oliveira LD, Barino GTM, Rossi MF, D'Agosto M, Dias RJP, Santos HA. Morphological and molecular characterization of Haemoproteus coatneyi and Haemoproteus erythrogravidus (Haemosporida: Haemoproteidae) in Passeriformes in Brazil's Atlantic Forest. REVISTA BRASILEIRA DE PARASITOLOGIA VETERINARIA 2020; 29:e011520. [PMID: 33053056 DOI: 10.1590/s1984-29612020074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 07/10/2020] [Indexed: 11/22/2022]
Abstract
Haemoproteus spp. are protozoan parasites found in birds around the world. These parasites are identified through the morphology of gametocytes, phylogenetic analysis based on the mitochondrial cytb gene, and the parasite's geographic distribution. The absence of erythrocytic merogony, high intraspecific genetic variation and low parasitemia in wild birds makes it essential to use integrative approaches that assist in the identification of these parasites. Thus, microscopic and molecular analyses, combined with spatial distribution, were carried out to verify the presence of Haemoproteus spp. in wild birds in Brazil. Light microscopy revealed one Tangara sayaca bird was parasitized by Haemoproteus coatneyi and, two specimens of Zonotrichia capensis presented Haemoproteus erythrogravidus. The morphology of the gametocytes of these two parasitic species showed high similarity. The molecular analysis revealed the presence of one lineage of H. coatneyi and two lineages of H. erythrogravidus, one of which is considered a new lineage. These lineages were grouped phylogenetically in separate clades, with low genetic divergence, and the H. erythrogravidus lineage emerged as an internal group of the lineages of H. coatneyi. The geographic distribution demonstrated that the two species occur in the American continent. This is the first report of H. erythrogravidus in Brazil.
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Affiliation(s)
- Luísa de Oliveira
- Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora - UFJF, Juiz de Fora, MG, Brasil
| | - Glauber Thiago Martins Barino
- Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora - UFJF, Juiz de Fora, MG, Brasil
| | - Mariana Fonseca Rossi
- Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora - UFJF, Juiz de Fora, MG, Brasil
| | - Marta D'Agosto
- Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora - UFJF, Juiz de Fora, MG, Brasil
| | - Roberto Júnio Pedroso Dias
- Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora - UFJF, Juiz de Fora, MG, Brasil
| | - Huarrisson Azevedo Santos
- Departamento de Epidemiologia e Saúde Pública, Instituto de Veterinária, Universidade Federal Rural do Rio de Janeiro - UFRRJ Seropédica, RJ, Brasil
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Alfaleh F, Alyousif M, Elhaig M. Prevalence and molecular characterization of Haemoproteus tinnunculi from falcons in Saudi Arabia. J Adv Vet Anim Res 2020; 7:626-632. [PMID: 33409306 PMCID: PMC7774790 DOI: 10.5455/javar.2020.g461] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 08/16/2020] [Accepted: 08/25/2020] [Indexed: 11/03/2022] Open
Abstract
Objective This study aimed to inspect the occurrence of Haemoproteus tinnunculi (H. tinnunculi) in falcons from the central area of Saudi Arabia. Materials and Methods Blood samples from 100 falcons species, including 55 Falco cherrug, 22 Falco peregrinus, 13 Falco pelegrinoides, and 10 Falco rusticolus, were collected from November 2018 to April 2019 and examined for H. tinnunculi by microscopic examination and nested PCR, targeting a cytochrome b (cytb) gene. Results The prevalence was 1% by microscopic examination. The prevalence rate of H. tinnunculi was 1% by the microscopic method and 3% by PCR. Only F. cherrug was infected. In the sequence and phylogenetic analyses, the two cytb H. tinnunculi sequences were 100% identical and closely related to the Lithuanian isolate with 99.35% identity. Conclusions This study presents the first report of molecular detection and characterization of H. tinnunculai in F. cherrug from the Kingdom of Saudi Arabia.
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Affiliation(s)
- Faleh Alfaleh
- Department of Biology, College of Science Zulfi, Majmaah University, Al Majmaah, Kingdom of Saudi Arabia.,Department of Zoology, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Mohamed Alyousif
- Department of Zoology, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Mahmoud Elhaig
- Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
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Valle CA, Ulloa C, Regalado C, Muñoz-Pérez JP, Garcia J, Hardesty BD, Skehel A, Deresienski D, Passingham RK, Lewbart GA. Baseline haematology, biochemistry, blood gas values and health status of the Galapagos swallow-tailed gull ( Creagrus furcatus). CONSERVATION PHYSIOLOGY 2020; 8:coaa064. [PMID: 34336215 PMCID: PMC7428447 DOI: 10.1093/conphys/coaa064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 06/01/2020] [Accepted: 07/05/2020] [Indexed: 06/13/2023]
Abstract
The swallow-tailed gull, Creagrus furcatus, is a seabird endemic to the Galápagos archipelago. In general health, blood chemistry and haematology, parameters have not been published for this species. Blood analyses were run on samples drawn from 58 clinically healthy swallow-tailed gulls captured at Islote Pitt on San Cristóbal Island in July 2016 (28) and South Plaza Island in June 2017 (30). A point of care blood analyzer (iSTAT) was used in the field to obtain results for HCO3 -, pH, pCO2, pO2, TCO2, anion gap, chloride, creatinine, glucose, haematocrit, haemoglobin, ionized calcium, potassium, sodium and urea nitrogen. A portable Lactate Plus™ analyzer was used to measure lactate. The baseline data reported is valuable for comparisons amongst different populations in the archipelago and to detect changes in health status of Galápagos swallow-tailed gulls.
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Affiliation(s)
- Carlos A Valle
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias Biológicas y Ambientales COCIBA, Campus Cumbayá Av. Diego de Robles S/N e Interoceánica, Quito, Ecuador
- Universidad San Francisco de Quito (USFQ) & UNC-Chapel Hill Galápagos Science Center (GSC) Av. Alsacio Northia, Isla San Cristobal, Galápagos, Ecuador
| | - Catalina Ulloa
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias Biológicas y Ambientales COCIBA, Campus Cumbayá Av. Diego de Robles S/N e Interoceánica, Quito, Ecuador
- Universidad San Francisco de Quito (USFQ) & UNC-Chapel Hill Galápagos Science Center (GSC) Av. Alsacio Northia, Isla San Cristobal, Galápagos, Ecuador
| | - Cristina Regalado
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias Biológicas y Ambientales COCIBA, Campus Cumbayá Av. Diego de Robles S/N e Interoceánica, Quito, Ecuador
| | - Juan-Pablo Muñoz-Pérez
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias Biológicas y Ambientales COCIBA, Campus Cumbayá Av. Diego de Robles S/N e Interoceánica, Quito, Ecuador
- Universidad San Francisco de Quito (USFQ) & UNC-Chapel Hill Galápagos Science Center (GSC) Av. Alsacio Northia, Isla San Cristobal, Galápagos, Ecuador
- University of the Sunshine Coast, 90 Sippy Downs Drive, Sippy Downs QLD 4556, Australia
| | - Juan Garcia
- Applied Marine Research, Galápagos National Park, Av. Charles Darwin y S/N
Isla Santa Cruz, Ecuador
| | - Britta Denise Hardesty
- Commonwealth Scientific and Industrial Research Organization, Avian Research, Tasmania, Australia
| | - Alice Skehel
- Universidad San Francisco de Quito (USFQ) & UNC-Chapel Hill Galápagos Science Center (GSC) Av. Alsacio Northia, Isla San Cristobal, Galápagos, Ecuador
| | - Diane Deresienski
- North Carolina State University College of Veterinary Medicine, Clinical Sciences, 1060 William Moore Drive, Raleigh, North Carolina, 27607, United States
| | - Ronald K Passingham
- North Carolina State University College of Veterinary Medicine, Clinical Sciences, 1060 William Moore Drive, Raleigh, North Carolina, 27607, United States
| | - Gregory A Lewbart
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias Biológicas y Ambientales COCIBA, Campus Cumbayá Av. Diego de Robles S/N e Interoceánica, Quito, Ecuador
- Universidad San Francisco de Quito (USFQ) & UNC-Chapel Hill Galápagos Science Center (GSC) Av. Alsacio Northia, Isla San Cristobal, Galápagos, Ecuador
- North Carolina State University College of Veterinary Medicine, Clinical Sciences, 1060 William Moore Drive, Raleigh, North Carolina, 27607, United States
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Bell JA, González-Acuña D, Tkach VV. Haemosporidian Parasites of Chilean Ducks: The Importance of Biogeography and Nonpasserine Hosts. J Parasitol 2020; 106:211-220. [PMID: 32164026 DOI: 10.1645/19-130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Biogeography is known to have shaped the diversity and evolutionary history of avian haemosporidian parasites across the Neotropics. However, a paucity of information exists for the temperate Neotropics and especially from nonpasserine hosts. To understand the effect of biogeography in the temperate Neotropics on haemosporidians of nonpasserine hosts we screened ducks (Anseriformes) from central Chile for the presence of these parasites. Forty-two individuals of 4 duck species (Anas flavirostris, Anas georgica, Mareca sibilatrix, Spatula cyanoptera cyanoptera) were collected and assessed for haemosporidian parasite infections by real-time polymerase chain reaction screening and subsequent sequencing of the mitochondrial cytochrome b gene. Haemoproteus (subgenus Haemoproteus) and Plasmodium were detected in 2 host species, A. georgica and S. c. cyanoptera, with no Leucocytozoon found. Overall haemosporidian prevalence was low (14.2%), with the prevalence of Plasmodium (11.9%) being substantially greater than that of Haemoproteus (4.8%). Six haemosporidian cytochrome b lineages were recovered, 2 Haemoproteus and 4 Plasmodium, with all 6 lineages identified for the first time. In phylogenetic reconstruction, the Chilean Plasmodium lineages were more closely related to South American lineages from passerine birds than to known lineages from anseriforms. The subgenus Haemoproteus known from nonpasseriformes has never been identified from any anseriform host; however, we recovered 2 lineages from this subgenus, one from each A. georgica and S. c. cyanoptera. Further work is needed to determine if this presents true parasitism in ducks or only a spillover infection. The results of phylogenetic reconstruction demonstrate a unique evolutionary history of these Chilean parasites, differing from what is known for this host group. The unique geography of Chile, with a large part of the country being relatively isolated by the Atacama Desert in the north and the Andes in the east and south, would present opportunities for parasite diversification. Further work is needed to investigate how strongly the biogeographical isolation has shaped the haemosporidian parasites of this area. Our results add to the growing body of evidence that nonpasserine hosts support unique lineages of haemosporidian parasites, while also demonstrating the role of biogeography in haemosporidian parasite diversity in the temperate Neotropics.
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Affiliation(s)
- Jeffrey A Bell
- Department of Biology, University of North Dakota, 10 Cornell Street STOP 9019, Grand Forks, North Dakota 58202
| | - Daniel González-Acuña
- Department of Animal Science, Faculty of Veterinary Sciences, Universidad de Concepción, Box 10 537, Chillán 3780000, Chile
| | - Vasyl V Tkach
- Department of Biology, University of North Dakota, 10 Cornell Street STOP 9019, Grand Forks, North Dakota 58202
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Valkiūnas G, Ilgūnas M, Chagas CRF, Bernotienė R, Iezhova TA. Molecular characterization of swallow haemoproteids, with description of one new Haemoproteus species. Acta Trop 2020; 207:105486. [PMID: 32330450 DOI: 10.1016/j.actatropica.2020.105486] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 04/01/2020] [Accepted: 04/01/2020] [Indexed: 02/01/2023]
Abstract
Haemoproteus species (Haemosporida, Haemoproteidae) are cosmopolitan bird blood parasites, which often cause relatively benign infections in adapted avian hosts, but severe and even lethal haemoproteosis might develop due to internal organ damage if these pathogens inhabit non-adapted (wrong) hosts. Haemoproteids of swallows (Hirundinidae) remain fragmentarily investigated, with only two haemoproteid species reported in this bird family, which members are cosmopolitan, diverse and inhabit various terrestrial ecosystems, particularly in tropical countries. This study describes and provides molecular characterization of Haemoproteus parahirundinis n. sp. (cytochrome b lineage hHIRUS05), parasite of the most broadly distributed swallow, the Barn swallow Hirundo rustica. Gametocytes, gametes and ookinetes of the new species were examined and compared with other haemoproteids described in swallows. The phylogenetic analysis indicated the existence of a largely undescribed Haemoproteus species diversity in birds of the Hirundinidae and also suggests that all lineages of haemoproteids reported in swallows are transmitted by Culicoides biting midges, but not louse flies of the Hippoboscidae, which often inhabit their nests. The biting midges should be the first targets in vectors research of swallow haemoproteids. This study indicates existence of Haemoproteus species, which are readily distinct based on morphological characters of their blood and sporogonic stages, but differ only negligently in partial cytochrome b sequences, the main markers broadly used in molecular characterization of haemoproteids. That calls for further taxonomic research on haemoproteid in swallows, many species of which are endangered or even threatened with extinction because of habitat degradation.
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Evolutionary ecology, taxonomy, and systematics of avian malaria and related parasites. Acta Trop 2020; 204:105364. [PMID: 32007445 DOI: 10.1016/j.actatropica.2020.105364] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 01/27/2020] [Accepted: 01/28/2020] [Indexed: 12/25/2022]
Abstract
Haemosporidian parasites of the genera Plasmodium, Leucocytozoon, and Haemoproteus are one of the most prevalent and widely studied groups of parasites infecting birds. Plasmodium is the most well-known haemosporidian as the avian parasite Plasmodium relictum was the original transmission model for human malaria and was also responsible for catastrophic effects on native avifauna when introduced to Hawaii. The past two decades have seen a dramatic increase in research on avian haemosporidian parasites as a model system to understand evolutionary and ecological parasite-host relationships. Despite haemosporidians being one the best studied groups of avian parasites their specialization among avian hosts and variation in prevalence amongst regions and host taxa are not fully understood. In this review we focus on describing the current phylogenetic and morphological diversity of haemosporidian parasites, their specificity among avian and vector hosts, and identifying the determinants of haemosporidian prevalence among avian species. We also discuss how these parasites might spread across regions due to global climate change and the importance of avian migratory behavior in parasite dispersion and subsequent diversification.
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Nebel C, Harl J, Pajot A, Weissenböck H, Amar A, Sumasgutner P. High prevalence and genetic diversity of Haemoproteus columbae (Haemosporida: Haemoproteidae) in feral pigeons Columba livia in Cape Town, South Africa. Parasitol Res 2020; 119:447-463. [PMID: 31883048 PMCID: PMC6985069 DOI: 10.1007/s00436-019-06558-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 11/19/2019] [Indexed: 02/08/2023]
Abstract
In this study, we explore blood parasite prevalence, infection intensity, and co-infection levels in an urban population of feral pigeons Columba livia in Cape Town. We analyze the effect of blood parasites on host body condition and the association between melanin expression in the host's plumage and parasite infection intensity and co-infection levels. Relating to the haemosporidian parasite itself, we study their genetic diversity by means of DNA barcoding (cytochrome b) and show the geographic and host distribution of related parasite lineages in pigeons worldwide. Blood from 195 C. livia individuals was collected from April to June 2018. Morphometric measurements and plumage melanism were recorded from every captured bird. Haemosporidian prevalence and infection intensity were determined by screening blood smears and parasite lineages by DNA sequencing. Prevalence of Haemoproteus spp. was high at 96.9%. The body condition of the hosts was negatively associated with infection intensity. However, infection intensity was unrelated to plumage melanism. The cytochrome b sequences revealed the presence of four Haemoproteus lineages in our population of pigeons, which show high levels of co-occurrence within individual birds. Three lineages (HAECOL1, COLIV03, COQUI05) belong to Haemoproteus columbae and differ only by 0.1% to 0.8% in the cytochrome b gene. Another lineage (COLIV06) differs by 8.3% from the latter ones and is not linked to a morphospecies, yet. No parasites of the genera Leucocytozoon and Plasmodium were detected.
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Affiliation(s)
- Carina Nebel
- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Town, Cape Town, South Africa
| | - Josef Harl
- Institute of Pathology, University of Veterinary Medicine, Vienna, Austria
| | - Adrien Pajot
- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Town, Cape Town, South Africa
- Bordeaux Sciences Agro, 1 Cours du Général de Gaulle, Gradignan, France
| | | | - Arjun Amar
- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Town, Cape Town, South Africa
| | - Petra Sumasgutner
- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Town, Cape Town, South Africa
- Konrad Lorenz Forschungsstelle, Core Facility for Behaviour and Cognition, University of Vienna, Vienna, Austria
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Asigau S, Salah S, Parker PG. Assessing the blood meal hosts of Culex quinquefasciatus and Aedes taeniorhynchus in Isla Santa Cruz, Galápagos. Parasit Vectors 2019; 12:584. [PMID: 31842984 PMCID: PMC6915994 DOI: 10.1186/s13071-019-3835-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 12/03/2019] [Indexed: 11/24/2022] Open
Abstract
Background Blood meal host selection by mosquito vectors is an important component in understanding disease dynamics of pathogens that threaten endemic fauna in isolated islands such as Galápagos. Research on the feeding behavior of mosquitoes can provide clues to the hosts and vectors involved in disease transmission. This information is particularly critical for endemic wildlife fauna in island systems that have evolved without resistance to novel diseases such as avian malaria. The aims of this study were to determine the blood-feeding patterns of two species of mosquitoes found in Galápagos and discuss how their feeding behavior may influence the transmission of pathogens such as avian malaria. Methods In the summer of 2015, we sampled two mosquito species (Aedes taeniorhynchus and Culex quinquefasciatus) across 18 different sites on Isla Santa Cruz, which is the second largest island in Galápagos and has the largest human population. We trapped mosquitoes using CDC light traps and CDC gravid traps and identified sources of blood meals for engorged mosquitoes by sequencing a portion of the vertebrate mitochondrial cytochrome b gene. Results Out of 947 female mosquitoes captured, 320 were blood-fed, and PCR amplifications were successful for 301 of the blood meals. Results revealed that both Aedes taeniorhynchus and Culex quinquefasciatus feed from a variety of vertebrate taxa, numerically dominated by humans on Isla Santa Cruz. Conclusions The high proportion of mammalian blood meals could represent locally available and abundant hosts on Santa Cruz. However, host surveys and estimates of relative abundances of vertebrate species will need to accompany mosquito trapping studies on non-inhabited and inhabited islands in Galápagos to further validate this.
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Affiliation(s)
- Samoa Asigau
- Department of Biology, University of Missouri, St. Louis, One University Blvd., St. Louis, MO, 63121, USA. .,Whitney R. Harris World Ecology Center, University of Missouri, One University Blvd., St. Louis, MO, 63121, USA.
| | - Sawsan Salah
- Department of Biology, University of Missouri, St. Louis, One University Blvd., St. Louis, MO, 63121, USA.,Whitney R. Harris World Ecology Center, University of Missouri, One University Blvd., St. Louis, MO, 63121, USA
| | - Patricia G Parker
- Department of Biology, University of Missouri, St. Louis, One University Blvd., St. Louis, MO, 63121, USA.,Whitney R. Harris World Ecology Center, University of Missouri, One University Blvd., St. Louis, MO, 63121, USA.,WildCare Institute, Saint Louis Zoo, One Government Drive, St. Louis, MO, 63110, USA
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Bukauskaitė D, Chagas CRF, Bernotienė R, Žiegytė R, Ilgūnas M, Iezhova T, Valkiūnas G. A new methodology for sporogony research of avian haemoproteids in laboratory-reared Culicoides spp., with a description of the complete sporogonic development of Haemoproteus pastoris. Parasit Vectors 2019; 12:582. [PMID: 31829271 PMCID: PMC6907249 DOI: 10.1186/s13071-019-3832-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 12/02/2019] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Haemosporidian parasites of the genus Haemoproteus (Haemoproteidae) are widespread and cause haemoproteosis in birds and therefore, their diversity, ecology and evolutionary biology have become subjects of intensive research. However, the vectors and transmission patterns of haemoproteids as well as the epidemiology of haemoproteosis remain insufficiently investigated. Several species of Culicoides (Ceratopogonidae) support complete sporogony of haemoproteids belonging to the subgenus Parahaemoproteus. However, experimental research with these fragile insects is difficult to design in the field, particularly because their abundance markedly depends on seasonality. This is an obstacle for continuous sampling of sufficient numbers of naturally infected or experimentally exposed midges from wildlife. We developed simple methodology for accessing sporogonic development of haemoproteids in laboratory-reared Culicoides nubeculosus. This study aimed to describe the mosaic of methods constituting this methodology, which was applied for investigation of the sporogonic development of Haemoproteus (Parahaemoproteus) pastoris, a widespread parasite of the common starling Sturnus vulgaris. METHODS The methodology consists of the following main stages: (i) laboratory rearing of C. nubeculosus from the egg stage to adult insects; (ii) selection of naturally infected birds, the donors of mature gametocytes to expose biting midges; (iii) experimental exposure of insects and their laboratory maintenance; and (iv) dissection of exposed insects. Biting midges were exposed to H. pastoris (cytochrome b lineage hLAMPUR01) detected in one naturally infected common starling. Engorged insects were dissected at intervals in order to follow sporogony. Microscopic examination and PCR-based methods were used to identify the sporogonic stages and to confirm the presence of the parasite lineage in infected insects, respectively. RESULTS Culicoides nubeculosus females were successfully reared and exposed to H. pastoris, which completed sporogonic development 7-9 days post-infection when sporozoites were observed in the salivary glands. CONCLUSIONS The new methodology is easy to use and non-harmful for birds, providing opportunities to access the sporogonic stages of Parahaemoproteus parasites, which might be used in a broad range of parasitology and genetic studies. Culicoides nubeculosus is an excellent experimental vector of subgenus Parahaemoproteus and is recommended for various experimental studies aiming investigation of sporogony of these pathogens.
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Affiliation(s)
| | | | - Rasa Bernotienė
- Nature Research Centre, Akademijos 2, 08412, Vilnius 21, Lithuania
| | - Rita Žiegytė
- Nature Research Centre, Akademijos 2, 08412, Vilnius 21, Lithuania
| | - Mikas Ilgūnas
- Nature Research Centre, Akademijos 2, 08412, Vilnius 21, Lithuania
| | - Tatjana Iezhova
- Nature Research Centre, Akademijos 2, 08412, Vilnius 21, Lithuania
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Ilgūnas M, Romeiro Fernandes Chagas C, Bukauskaitė D, Bernotienė R, Iezhova T, Valkiūnas G. The life-cycle of the avian haemosporidian parasite Haemoproteus majoris, with emphasis on the exoerythrocytic and sporogonic development. Parasit Vectors 2019; 12:516. [PMID: 31685020 PMCID: PMC6829992 DOI: 10.1186/s13071-019-3773-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 10/25/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Haemoproteus parasites (Haemosporida, Haemoproteidae) are cosmopolitan in birds and recent molecular studies indicate enormous genetic diversity of these pathogens, which cause diseases in non-adapted avian hosts. However, life-cycles remain unknown for the majority of Haemoproteus species. Information on their exoerythrocytic development is particularly fragmental and controversial. This study aimed to gain new knowledge on life-cycle of the widespread blood parasite Haemoproteus majoris. METHODS Turdus pilaris and Parus major naturally infected with lineages hPHYBOR04 and hPARUS1 of H. majoris, respectively, were wild-caught and the parasites were identified using microscopic examination of gametocytes and PCR-based testing. Bayesian phylogeny was used to determine relationships between H. majoris lineages. Exoerythrocytic stages (megalomeronts) were reported using histological examination and laser microdissection was applied to isolate single megalomeronts for genetic analysis. Culicoides impunctatus biting midges were experimentally exposed in order to follow sporogonic development of the lineage hPHYBOR04. RESULTS Gametocytes of the lineage hPHYBOR04 are indistinguishable from those of the widespread lineage hPARUS1 of H. majoris, indicating that both of these lineages belong to the H. majoris group. Phylogenetic analysis supported this conclusion. Sporogony of the lineage hPHYBOR04 was completed in C. impunctatus biting midges. Morphologically similar megalomeronts were reported in internal organs of both avian hosts. These were big roundish bodies (up to 360 μm in diameter) surrounded by a thick capsule-like wall and containing irregularly shaped cytomeres, in which numerous merozoites developed. DNA sequences obtained from single isolated megalomeronts confirmed the identification of H. majoris. CONCLUSIONS Phylogenetic analysis identified a group of closely related H. majoris lineages, two of which are characterized not only by morphologically identical blood stages, but also complete sporogonic development in C. impunctatus and development of morphologically similar megalomeronts. It is probable that other lineages belonging to the same group would bear the same characters and phylogenies based on partial cytb gene could be used to predict life-cycle features in avian haemoproteids including vector identity and patterns of exoerythrocytic merogony. This study reports morphologically unique megalomeronts in naturally infected birds and calls for research on exoerythrocytic development of haemoproteids to better understand pathologies caused in avian hosts.
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Affiliation(s)
- Mikas Ilgūnas
- Nature Research Centre, Akademijos 2, LT-08412, Vilnius, Lithuania.
| | | | | | - Rasa Bernotienė
- Nature Research Centre, Akademijos 2, LT-08412, Vilnius, Lithuania
| | - Tatjana Iezhova
- Nature Research Centre, Akademijos 2, LT-08412, Vilnius, Lithuania
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Cepeda AS, Lotta-Arévalo IA, Pinto-Osorio DF, Macías-Zacipa J, Valkiūnas G, Barato P, Matta NE. Experimental characterization of the complete life cycle of Haemoproteus columbae, with a description of a natural host-parasite system used to study this infection. Int J Parasitol 2019; 49:975-984. [PMID: 31628938 DOI: 10.1016/j.ijpara.2019.07.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/19/2019] [Accepted: 07/19/2019] [Indexed: 12/17/2022]
Abstract
Characterization of complete life cycles of haemoparasites requires the maintenance of suitable susceptible vertebrate hosts and vectors for long periods in captivity, in order to follow the complete parasitic cycle in definitive and intermediate hosts. Currently, there are few host-parasite models established in avian haemosporidian research, and those have been developed mainly for species of Passeriformes and their parasites. This study aimed to develop an experimental methodology to access the complete life cycle of Haemoproteus columbae (cytb lineage HAECOL1), which parasitizes the Rock Pigeon (Columba livia) and louse fly (Pseudolynchia canariensis). A colony of louse flies, which are the natural vectors of this parasite, was established. Thirty newly emerged insects were exposed to H. columbae infection and used to infect naïve Rock Pigeons. The peak of parasitaemia (acute stage) was seen between 27 and 32 days p.i. when up to 70.8% of red blood cells were infected. The crisis occurred approximately 1 week after the peak, and the long-lasting chronic parasitaemia stage followed. Exo-erythrocytic meronts were seen mainly in the lungs where extensive tissue damage was reported, but also in the kidneys and spleen. In the vector, the sporogonic cycle of H. columbae was completed between 13 and 16 days p.i., at an average temperature ranging between 12 and 15 °C. This host-parasite model is tractable for maintenance in captivity. It is recommended for use in studies aiming for detailed characterization of host-parasite relationships in areas such as physiology, pathology, immunobiology, genetics, as well as for evaluative treatments and to follow the infection in any stage of parasite development both in the vertebrate or invertebrate host.
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Affiliation(s)
- Axl S Cepeda
- Departamento de Biología, Grupo de Investigación Caracterización Genética e Inmunología, Sede Bogotá-Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá, Colombia.
| | - Ingrid A Lotta-Arévalo
- Departamento de Biología, Grupo de Investigación Caracterización Genética e Inmunología, Sede Bogotá-Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá, Colombia
| | - David F Pinto-Osorio
- Departamento de Biología, Grupo de Investigación Caracterización Genética e Inmunología, Sede Bogotá-Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá, Colombia
| | - Jhon Macías-Zacipa
- Departamento de Biología, Grupo de Investigación Caracterización Genética e Inmunología, Sede Bogotá-Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá, Colombia; Programa Bacteriología y Laboratorio Clínico, Facultad de Ciencias de la Salud, Universidad Colegio Mayor de Cundinamarca. Bogotá, Colombia
| | | | - Paola Barato
- Corporación Patología Veterinaria, CORPAVET, Bogotá, Colombia
| | - Nubia E Matta
- Departamento de Biología, Grupo de Investigación Caracterización Genética e Inmunología, Sede Bogotá-Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá, Colombia.
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Molecular characterization of six widespread avian haemoproteids, with description of three new Haemoproteus species. Acta Trop 2019; 197:105051. [PMID: 31181190 DOI: 10.1016/j.actatropica.2019.105051] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 05/31/2019] [Accepted: 05/31/2019] [Indexed: 11/23/2022]
Abstract
Species of Haemoproteus (Haemosporida, Haemoproteidae) are widespread and often prevalent blood parasites of birds all over the word. They are particularly diverse in tropical countries. Due to limited knowledge of life cycles, these pathogens usually have been considered relatively benign and were neglected in veterinary medicine and bird management. However, recent molecular studies provided evidence that Haemoproteus parasites might cause severe diseases if they infect non-adapted (wrong) avian hosts due to marked damage of organs by exo-erythrocytic stages (megalomeronts). Additionally, high Haemoproteus infections are lethal to blood-sucking insects. Molecular markers are essential for reliable detection and species identification both at tissue stages in vertebrates and sporogonic stages in arthropods however, remain insufficiently developed for wildlife haemosporidian parasites. This study combined PCR-based and microscopic approaches and reported cytochrome b gene (cytb) and apicoplast gene (clpc) markers for characterization of six widespread species of haemoproteids parasitizing common birds wintering in tropics and subtropics of the Old World. Three new Haemoproteus species were described using morphological and molecular markers. Molecular characterization of haemoproteids parasitizing falcons was developed. Morphological and phylogenetic characterization of Haemoproteus tinnunculi (cytb lineage hFALSUB01), H. brachiatus (hLK03), H. parabelopolskyi (hSYAT1), H. homogeneae n. sp. (hSYAT16), H. homopicae n. sp. (hGAGLA07) and H. homominutus n. sp. (hCUKI1) was performed and provides clues for infections diagnostics. This study adds three species to the group of morphologically readily distinct Haemoproteus parasites, which differ in few base pairs (< 1%) in their partial cytb sequences, indicating that low genetic difference in such sequences often show between-species divergence and should be carefully applied in taxonomic biodiversity studies of haemosporidian parasites. Bayesian phylogenetic analysis identified the position of detected lineages in regard of other Haemoproteus species, suggesting that all reported parasites belong to subgenus Parahaemoproteus and likely are transmitted by Culicoides biting midges. Importance of clpc gene sequences was specified in haemosporidian parasite taxonomy on species levels.
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Chagas CRF, Bukauskaitė D, Ilgūnas M, Bernotienė R, Iezhova T, Valkiūnas G. Sporogony of four Haemoproteus species (Haemosporida: Haemoproteidae), with report of in vitro ookinetes of Haemoproteus hirundinis: phylogenetic inference indicates patterns of haemosporidian parasite ookinete development. Parasit Vectors 2019; 12:422. [PMID: 31462309 PMCID: PMC6714444 DOI: 10.1186/s13071-019-3679-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 08/21/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Haemoproteus (Parahaemoproteus) species (Haemoproteidae) are widespread blood parasites that can cause disease in birds, but information about their vector species, sporogonic development and transmission remain fragmentary. This study aimed to investigate the complete sporogonic development of four Haemoproteus species in Culicoides nubeculosus and to test if phylogenies based on the cytochrome b gene (cytb) reflect patterns of ookinete development in haemosporidian parasites. Additionally, one cytb lineage of Haemoproteus was identified to the species level and the in vitro gametogenesis and ookinete development of Haemoproteus hirundinis was characterised. METHODS Laboratory-reared C. nubeculosus were exposed by allowing them to take blood meals on naturally infected birds harbouring single infections of Haemoproteus belopolskyi (cytb lineage hHIICT1), Haemoproteus hirundinis (hDELURB2), Haemoproteus nucleocondensus (hGRW01) and Haemoproteus lanii (hRB1). Infected insects were dissected at intervals in order to detect sporogonic stages. In vitro exflagellation, gametogenesis and ookinete development of H. hirundinis were also investigated. Microscopic examination and PCR-based methods were used to confirm species identity. Bayesian phylogenetic inference was applied to study the relationships among Haemoproteus lineages. RESULTS All studied parasites completed sporogony in C. nubeculosus. Ookinetes and sporozoites were found and described. Development of H. hirundinis ookinetes was similar both in vivo and in vitro. Developing ookinetes of this parasite possess long outgrowths, which extend longitudinally and produce the apical end of the ookinetes. A large group of closely related Haemoproteus species with a similar mode of ookinete development was determined. Bayesian analysis indicates that this character has phylogenetic value. The species identity of cytb lineage hDELURB2 was determined: it belongs to H. hirundinis. CONCLUSIONS Culicoides nubeculosus is susceptible to and is a likely natural vector of numerous species of Haemoproteus parasites, thus worth attention in haemoproteosis epidemiology research. Data about in vitro development of haemoproteids provide valuable information about the rate of ookinete maturation and are recommended to use as helpful step during vector studies of haemosporidian parasites, particularly because they guide proper dissection interval of infected insects for ookinete detection during in vivo experiments. Additionally, in vitro studies readily identified patterns of morphological ookinete transformations, the characters of which are of phylogenetic value in haemosporidian parasites.
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Affiliation(s)
| | - Dovilė Bukauskaitė
- Institute of Ecology, Nature Research Centre, Akademijos 2, LT-08412, Vilnius, Lithuania
| | - Mikas Ilgūnas
- Institute of Ecology, Nature Research Centre, Akademijos 2, LT-08412, Vilnius, Lithuania
| | - Rasa Bernotienė
- Institute of Ecology, Nature Research Centre, Akademijos 2, LT-08412, Vilnius, Lithuania
| | - Tatjana Iezhova
- Institute of Ecology, Nature Research Centre, Akademijos 2, LT-08412, Vilnius, Lithuania
| | - Gediminas Valkiūnas
- Institute of Ecology, Nature Research Centre, Akademijos 2, LT-08412, Vilnius, Lithuania
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de Oliveira L, Cedrola F, Senra MVX, Scopel KKG, Martinele I, Tostes R, Dias RJP, D'Agosto M. Polymorphism evidence in Plasmodium (Haemamoeba) lutzi Lucena, 1939 (Apicomplexa, Haemosporida) isolated from Brazilian wild birds. Parasitol Int 2019; 70:70-76. [DOI: 10.1016/j.parint.2019.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 06/15/2018] [Accepted: 02/01/2019] [Indexed: 01/27/2023]
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Gangoso L, Gutiérrez-López R, Martínez-de la Puente J, Figuerola J. Louse flies of Eleonora's falcons that also feed on their prey are evolutionary dead-end hosts for blood parasites. Mol Ecol 2019; 28:1812-1825. [PMID: 30710395 PMCID: PMC6850589 DOI: 10.1111/mec.15020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 01/10/2019] [Indexed: 12/19/2022]
Abstract
Host shifts are widespread among avian haemosporidians, although the success of transmission depends upon parasite‐host and parasite‐vector compatibility. Insular avifaunas are typically characterized by a low prevalence and diversity of haemosporidians, although the underlying ecological and evolutionary processes remain unclear. We investigated the parasite transmission network in an insular system formed by Eleonora's falcons (the avian host), louse flies that parasitize the falcons (the potential vector), and haemosporidians (the parasites). We found a great diversity of parasites in louse flies (16 Haemoproteus and 6 Plasmodium lineages) that did not match with lineages previously found infecting adult falcons (only one shared lineage). Because Eleonora's falcon feeds on migratory passerines hunted over the ocean, we sampled falcon kills in search of the origin of parasites found in louse flies. Surprisingly, louse flies shared 10 of the 18 different parasite lineages infecting falcon kills. Phylogenetic analyses revealed that all lineages found in louse flies (including five new lineages) corresponded to Haemoproteus and Plasmodium parasites infecting Passeriformes. We found molecular evidence of louse flies feeding on passerines hunted by falcons. The lack of infection in nestlings and the mismatch between the lineages isolated in adult falcons and louse flies suggest that despite louse flies’ contact with a diverse array of parasites, no successful transmission to Eleonora's falcon occurs. This could be due to the falcons’ resistance to infection, the inability of parasites to develop in these phylogenetically distant species, or the inability of haemosporidian lineages to complete their development in louse flies.
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Affiliation(s)
- Laura Gangoso
- Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Amsterdam, The Netherlands.,Department of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Seville, Spain
| | | | - Josué Martínez-de la Puente
- Department of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Seville, Spain.,Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Jordi Figuerola
- Department of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Seville, Spain.,Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
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Pacheco MA, Matta NE, Valkiunas G, Parker PG, Mello B, Stanley CE, Lentino M, Garcia-Amado MA, Cranfield M, Kosakovsky Pond SL, Escalante AA. Mode and Rate of Evolution of Haemosporidian Mitochondrial Genomes: Timing the Radiation of Avian Parasites. Mol Biol Evol 2019; 35:383-403. [PMID: 29126122 PMCID: PMC5850713 DOI: 10.1093/molbev/msx285] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Haemosporidians are a diverse group of vector-borne parasitic protozoa that includes the agents of human malaria; however, most of the described species are found in birds and reptiles. Although our understanding of these parasites’ diversity has expanded by analyses of their mitochondrial genes, there is limited information on these genes’ evolutionary rates. Here, 114 mitochondrial genomes (mtDNA) were studied from species belonging to four genera: Leucocytozoon, Haemoproteus, Hepatocystis, and Plasmodium. Contrary to previous assertions, the mtDNA is phylogenetically informative. The inferred phylogeny showed that, like the genus Plasmodium, the Leucocytozoon and Haemoproteus genera are not monophyletic groups. Although sensitive to the assumptions of the molecular dating method used, the estimated times indicate that the diversification of the avian haemosporidian subgenera/genera took place after the Cretaceous–Paleogene boundary following the radiation of modern birds. Furthermore, parasite clade differences in mtDNA substitution rates and strength of negative selection were detected. These differences may affect the biological interpretation of mtDNA gene lineages used as a proxy to species in ecological and parasitological investigations. Given that the mitochondria are critically important in the parasite life cycle stages that take place in the vector and that the transmission of parasites belonging to particular clades has been linked to specific insect families/subfamilies, this study suggests that differences in vectors have affected the mode of evolution of haemosporidian mtDNA genes. The observed patterns also suggest that the radiation of haemosporidian parasites may be the result of community-level evolutionary processes between their vertebrate and invertebrate hosts.
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Affiliation(s)
- M Andreína Pacheco
- Department of Biology, Institute for Genomics and Evolutionary Medicine (igem), Temple University, Philadelphia, PA
| | - Nubia E Matta
- Departamento de Biología, Grupo de Investigación Caracterización Genética e Inmunología, Sede Bogotá-Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá, Colombia
| | | | - Patricia G Parker
- Department of Biology, Whitney R. Harris World Ecology Center, University of Missouri-St. Louis, St. Louis, MO
| | - Beatriz Mello
- Department of Biology, Institute for Genomics and Evolutionary Medicine (igem), Temple University, Philadelphia, PA
| | - Craig E Stanley
- Department of Biology, Institute for Genomics and Evolutionary Medicine (igem), Temple University, Philadelphia, PA
| | | | - Maria Alexandra Garcia-Amado
- Laboratorio de Fisiología Gastrointestinal, Centro de Biofísica y Bioquímica, Instituto Venezolano de Investigaciones Científicas (IVIC), Miranda, Venezuela
| | - Michael Cranfield
- Gorilla Doctors, the Wildlife Health Center School of Veterinary Medicine, University of California, Davis, CA
| | - Sergei L Kosakovsky Pond
- Department of Biology, Institute for Genomics and Evolutionary Medicine (igem), Temple University, Philadelphia, PA
| | - Ananias A Escalante
- Department of Biology, Institute for Genomics and Evolutionary Medicine (igem), Temple University, Philadelphia, PA
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Ciloglu A, Ellis VA, Bernotienė R, Valkiūnas G, Bensch S. A new one-step multiplex PCR assay for simultaneous detection and identification of avian haemosporidian parasites. Parasitol Res 2018; 118:191-201. [PMID: 30536121 DOI: 10.1007/s00436-018-6153-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 11/12/2018] [Indexed: 10/27/2022]
Abstract
Accurate detection and identification are essential components for epidemiological, ecological, and evolutionary surveys of avian haemosporidian parasites. Microscopy has been used for more than 100 years to detect and identify these parasites; however, this technique requires considerable training and high-level expertise. Several PCR methods with highly sensitive and specific detection capabilities have now been developed in addition to microscopic examination. However, recent studies have shown that these molecular protocols are insufficient at detecting mixed infections of different haemosporidian parasite species and genetic lineages. In this study, we developed a simple, sensitive, and specific multiplex PCR assay for simultaneous detection and discrimination of parasites of the genera Plasmodium, Haemoproteus, and Leucocytozoon in single and mixed infections. Relative quantification of parasite DNA using qPCR showed that the multiplex PCR can amplify parasite DNA ranging in concentration over several orders of magnitude. The detection specificity and sensitivity of this new multiplex PCR assay were also tested in two different laboratories using previously screened natural single and mixed infections. These findings show that the multiplex PCR designed here is highly effective at identifying both single and mixed infections from all three genera of avian haemosporidian parasites. We predict that this one-step multiplex PCR assay, being convenient and inexpensive, will become a widely used method for molecular screening of avian haemosporidian parasites.
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Affiliation(s)
- Arif Ciloglu
- Department of Parasitology, Faculty of Veterinary Medicine, Erciyes University, 38039, Kayseri, Turkey. .,Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, SE-223 62, Lund, Sweden. .,Vectors and Vector-Borne Diseases Implementation and Research Center, Erciyes University, 38039, Kayseri, Turkey.
| | - Vincenzo A Ellis
- Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, SE-223 62, Lund, Sweden
| | - Rasa Bernotienė
- Nature Research Centre, Akademijos 2, 08412, Vilnius, Lithuania
| | | | - Staffan Bensch
- Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, SE-223 62, Lund, Sweden
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Combining morphological and molecular data to reconstruct the phylogeny of avian Haemosporida. Int J Parasitol 2018; 48:1137-1148. [PMID: 30367869 DOI: 10.1016/j.ijpara.2018.10.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 09/27/2018] [Accepted: 10/04/2018] [Indexed: 11/22/2022]
Abstract
The traditional classification of avian Haemosporida is based mainly on morphology and life history traits. Recently, molecular hypotheses have challenged the traditional classification, leading to contradictory opinions on whether morphology is phylogenetically informative. However, the morphology has never been used to reconstruct the relationships within the group. We inferred the phylogeny of avian Haemosporida from 133 morphological characters present in blood stages. We included all species with at least one mitochondrial gene characterized (n = 93). The morphological hypothesis was compared with the one retrieved from mitochondrial DNA (mtDNA) nucleotide sequences and a hypothesis that used a combination of morphological and molecular data (i.e., total evidence). In order to recover the evolutionary history and identify phylogenetically and taxonomically informative characters, they were mapped on the total evidence phylogeny. The morphological hypothesis presented more polytomies than the other two, especially within Haemoproteus. In the molecular hypothesis, the two Haemoproteus subgenera are paraphyletic, and some relationships within Parahaemoproteus were resolved. By combining the morphological and molecular data, we were able to resolve the majority of polytomies and posterior probabilities increased. We identified a unique combination of morphological traits, clearly differentiating avian Haemosporida genera, sub-genera of Leucocytozoon and Haemoproteus, and some Plasmodium sub-genera. Plasmodium had the highest number of synapomorphies. Furthermore, 86% of the species presented a unique combination of taxonomically informative characters. A limiting factor was the mismatch of traits characterized in species descriptions, leading to a morphological matrix with a considerable amount of missing data, particularly for the stages of early young and young gametocytes (67% of all missing data). Characters lacking information for the majority of species included the colour of pigment granules, the cytoplasm appearance, and the presence and dimensions of vacuoles. According to our results, the combination of morphology and mtDNA proved to be a robust alternative to reconstruct the relationships among avian Haemosporida, obtaining a resolution and support similar to that obtained using full mitochondrial genome sequences for over 100 lineages.
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Chagas CRF, Bukauskaitė D, Ilgūnas M, Iezhova T, Valkiūnas G. A new blood parasite of leaf warblers: molecular characterization, phylogenetic relationships, description and identification of vectors. Parasit Vectors 2018; 11:538. [PMID: 30286800 PMCID: PMC6172721 DOI: 10.1186/s13071-018-3109-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 09/11/2018] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Blood parasites of the genus Haemoproteus Kruse, 1890 are cosmopolitan, might be responsible for mortality in non-adapted birds, and often kill blood-sucking insects. However, this group remains insufficiently investigated in the wild. This is particularly true for the parasites of leaf warblers of the Phylloscopidae Alström, Ericson, Olsson & Sundberg the common small Old World passerine birds whose haemoproteid parasite diversity and vectors remain poorly studied. This study reports a new species of Haemoproteus parasitizing leaf warblers, its susceptible vector and peculiar phylogenetic relationships with other haemoproteids. METHODS Wood warblers (Phylloscopus sibilatrix Bechstein) were caught in Lithuania during spring migration, and blood films were examined microscopically. Laboratory reared Culicoides nubeculosus Meigen were exposed experimentally by allowing them to take blood meals on one individual harbouring mature gametocytes of the new Haemoproteus species (lineage hPHSIB2). To follow sporogonic development, the engorged insects were dissected at intervals. The parasite lineage was distinguished using sequence data, and morphological analysis of blood and sporogonic stages was carried out. Bayesian phylogeny was constructed in order to determine the phylogenetic relationships of the new parasite with other haemoproteids. RESULTS Haemoproteus (Parahaemoproteus) homopalloris n. sp. was common in wood warblers sampled after arrival to Europe from their wintering grounds in Africa. The new parasite belongs to a group of avian haemoproteid species with macrogametocytes possessing pale staining cytoplasm. All species of this group clustered together in the phylogenetic analysis, indicating that intensity of the cytoplasm staining is a valuable phylogenetic character. Laboratory-reared biting midges C. nubeculosus readily supported sporogony of new infections. Phylogenetic analysis corroborated vector experiments, placing the new parasite in the clade of Haemoproteus (Parahaemoproteus) parasites transmitted by biting midges. CONCLUSIONS Haemoproteus homopalloris n. sp. is the third haemoproteid, which is described from and is prevalent in wood warblers. Phylogenetic analysis identified a clade containing seven haemoproteids, which are characterised by pale staining of the macrogametocyte cytoplasm and with ookinetes maturing exceptionally rapidly (between 1 to 1.5 h after exposure to air). Both these features may represent valuable phylogenetic characters. Studies targeting mechanisms of sporogonic development of haemoproteids remain uncommon and should be encouraged. Culicoides nubeculosus is an excellent experimental vector of the new parasite species.
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Affiliation(s)
| | - Dovilė Bukauskaitė
- Institute of Ecology, Nature Research Centre, Akademijos 2, 21, LT-09412 Vilnius, Lithuania
| | - Mikas Ilgūnas
- Institute of Ecology, Nature Research Centre, Akademijos 2, 21, LT-09412 Vilnius, Lithuania
| | - Tatjana Iezhova
- Institute of Ecology, Nature Research Centre, Akademijos 2, 21, LT-09412 Vilnius, Lithuania
| | - Gediminas Valkiūnas
- Institute of Ecology, Nature Research Centre, Akademijos 2, 21, LT-09412 Vilnius, Lithuania
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High susceptibility of the laboratory-reared biting midges Culicoides nubeculosus to Haemoproteus infections, with review on Culicoides species that transmit avian haemoproteids. Parasitology 2018; 146:333-341. [DOI: 10.1017/s0031182018001373] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
AbstractHaemosporidian parasites belonging to Haemoproteus cause avian diseases, however, vectors remain unidentified for the majority of described species. We used the laboratory-reared biting midges Culicoides nubeculosus to determine if the sporogonic development of three widespread Haemoproteus parasites completes in this insect. The midges were reared and fed on one common blackbird, white wagtail and thrush nightingale naturally infected with Haemoproteus minutus, Haemoproteus motacillae and Haemoproteus attenuatus, respectively. The engorged females were dissected in order to follow their sporogonic development. Microscopic examination was used to identify sporogonic stages. Bayesian phylogeny based on partial cytochrome b gene was constructed in order to determine phylogenetic relationships among Culicoides species-transmitted haemoproteids. All three parasites completed sporogony. Phylogenetic analysis placed Culicoides species transmitted haemoproteids in one well-supported clade, proving that such analysis readily indicates groups of dipteran insects transmitting avian haemoproteids. Available data show that 11 species of Culicoides have been proved to support complete sporogony of 18 species of avian haemoproteids. The majority of Culicoides species can act as vectors for many Haemoproteus parasites, indicating the low specificity of these parasites to biting midges, whose are globally distributed. This calls for control of haemoproteid infections during geographical translocation of infected birds.
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Abstract
Colonization comprises the physical arrival of a species in a new area, but also its successful establishment within the local community. Oceanic islands, like the Hawaiian and the Galapagos archipelagos, represent excellent systems to study the mechanisms of colonization because of their historical isolation. In this chapter, we first review some of the major mechanisms by which parasites and vectors could arrive to an oceanic island, both naturally or due to human activities, and the factors that may influence their successful establishment in the insular host community. We then explore examples of natural and anthropogenic colonization of the Galapagos Islands by parasites and vectors, focusing on one or more case studies that best represent the diversity of colonization mechanisms that has shaped parasite distribution in the archipelago. Finally, we discuss future directions for research on parasite and vector colonization in Galapagos Islands.
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Affiliation(s)
- Patricia G. Parker
- Department of Biology, University of Missouri – St. Louis, St. Louis, Missouri USA
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Jaramillo M, Rohrer S, Parker PG. From Galapagos doves to passerines: Spillover of Haemoproteus multipigmentatus. Int J Parasitol Parasites Wildl 2017; 6:155-161. [PMID: 28736699 PMCID: PMC5510524 DOI: 10.1016/j.ijppaw.2017.07.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2017] [Revised: 05/19/2017] [Accepted: 07/01/2017] [Indexed: 11/28/2022]
Abstract
Haemoproteus (Haemoproteus) multipigmentatus, a haemosporidian parasite thought to be specific to columbiform birds, was detected in passeriform birds on Santiago Island in the Galapagos archipelago. We surveyed birds along an altitudinal gradient on the islands of Santa Cruz, Isabela and Santiago between June 2013 and July 2015. Molecular screening of 2254 individuals from 25 species of endemic and introduced birds revealed clusters of passerine birds positive for H. multipigmentatus on Santiago Island that coincide with captures of Galapagos doves at sampled sites. Of 507 individuals from 10 species of endemic passerines sampled on Santiago, 58 individuals from 6 species were found positive (11% prevalence). However, no gametocytes were found in the blood smears of positive passerines, suggesting that these species are not competent hosts for the parasite. All 31 doves captured were positive and gametocytes were found upon microscopic examination of all thin blood smears (averaging 357 gametocytes per 10,000 erythrocytes). These findings indicate parasite spillover from doves to passerines, but that passerines are possibly not competent hosts for further parasite transmission. The endemic Galapagos dove acts as a reservoir host for the introduced H. multipigmentatus, however the effect of this parasite on passerines has not been studied. We report on these findings because parasites can have large effects on individual host populations and on the ecology of a community, but may go undetected.
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Affiliation(s)
- Maricruz Jaramillo
- University of Missouri – St. Louis, Department of Biology and Whitney R. Harris World Ecology Center, One University Blvd., St. Louis, MO 63121, United States
| | - Sage Rohrer
- University of Missouri – St. Louis, Department of Biology and Whitney R. Harris World Ecology Center, One University Blvd., St. Louis, MO 63121, United States
| | - Patricia G. Parker
- University of Missouri – St. Louis, Department of Biology and Whitney R. Harris World Ecology Center, One University Blvd., St. Louis, MO 63121, United States
- WildCare Institute, Saint Louis Zoo, One Government Drive, St. Louis 63110, United States
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Molecular characterization and distribution of Plasmodium matutinum, a common avian malaria parasite. Parasitology 2017; 144:1726-1735. [PMID: 28931453 DOI: 10.1017/s0031182017000737] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Species of Plasmodium (Plasmodiidae, Haemosporida) are widespread and cause malaria, which can be severe in avian hosts. Molecular markers are essential to detect and identify parasites, but still absent for many avian malaria and related haemosporidian species. Here, we provide first molecular characterization of Plasmodium matutinum, a common agent of avian malaria. This parasite was isolated from a naturally infected thrush nightingale Luscinia luscinia (Muscicapidae). Fragments of mitochondrial, apicoplast and nuclear genomes were obtained. Domestic canaries Serinus canaria were susceptible after inoculation of infected blood, and the long-lasting light parasitemia developed in two exposed birds. Clinical signs of illness were not reported. Illustrations of blood stages of P. matutinum (pLINN1) are given, and phylogenetic analysis identified the closely related avian Plasmodium species. The phylogeny based on partial cytochrome b (cyt b) sequences suggests that this parasite is most closely related to Plasmodium tejerai (cyt b lineage pSPMAG01), a common malaria parasite of American birds. Both these parasites belong to subgenus Haemamoeba, and their blood stages are similar morphologically, particularly due to marked vacuolization of the cytoplasm in growing erythrocytic meronts. Molecular data show that transmission of P. matutinum (pLINN1) occurs broadly in the Holarctic, and the parasite likely is of cosmopolitan distribution. Passeriform birds and Culex mosquitoes are common hosts. This study provides first molecular markers for detection of P. matutinum.
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Ferreira Junior FC, Rodrigues RA, Ellis VA, Leite LO, Borges MAZ, Braga ÉM. Habitat modification and seasonality influence avian haemosporidian parasite distributions in southeastern Brazil. PLoS One 2017; 12:e0178791. [PMID: 28575046 PMCID: PMC5456369 DOI: 10.1371/journal.pone.0178791] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Accepted: 05/18/2017] [Indexed: 02/03/2023] Open
Abstract
Habitat modification may change vertebrate and vector-borne disease distributions. However, natural forest regeneration through secondary succession may mitigate these effects. Here we tested the hypothesis that secondary succession influences the distribution of birds and their haemosporidian parasites (genera Plasmodium and Haemoproteus) in a seasonally dry tropical forest, a globally threatened ecosystem, in Brazil. Moreover, we assessed seasonal fluctuations in parasite prevalence and distribution. We sampled birds in four different successional stages at the peak and end of the rainy season, as well as in the middle and at the end of the dry season. A non-metric multidimensional scaling analysis revealed that bird communities in the pasture (i.e., highly modified) areas were different from those in the early, intermediate, and late successional areas (secondary forests). Among 461 individual birds, haemosporidian prevalence was higher in pasture areas than in the more advanced successional stages, but parasite communities were homogeneous across these areas. Parasite prevalence was higher in pasture-specialists birds (resilient species) than in forest-specialists species, suggesting that pasture-specialists may increase infection risk for co-occurring hosts. We found an increase in prevalence between the middle and end of the dry season, a period associated with the beginning of the breeding season (early spring) in southeastern Brazil. We also found effects of seasonality in the relative prevalence of specific parasite lineages. Our results show that natural forest recovery through secondary succession in SDTFs is associated with compositional differences in avian communities, and that advanced successional stages are associated with lower prevalence of avian haemosporidian parasites.
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Affiliation(s)
- Francisco C. Ferreira Junior
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
- * E-mail: (FCFJ); (EMB)
| | - Raquel A. Rodrigues
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Vincenzo A. Ellis
- Departamento de Biologia Geral, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Lemuel O. Leite
- Centro de Ciências Biológicas e da Saúde, Universidade Estadual de Montes Claros, Campus Universitário Professor Darcy Ribeiro, Montes Claros, MG, Brazil
| | - Magno A. Z. Borges
- Centro de Ciências Biológicas e da Saúde, Universidade Estadual de Montes Claros, Campus Universitário Professor Darcy Ribeiro, Montes Claros, MG, Brazil
| | - Érika M. Braga
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
- * E-mail: (FCFJ); (EMB)
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Multidisciplinary re-description of Plasmodium (Novyella) paranucleophilum in Brazilian wild birds of the Atlantic Forest kept in captivity. Parasitol Res 2017; 116:1887-1897. [DOI: 10.1007/s00436-017-5465-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 04/27/2017] [Indexed: 02/04/2023]
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Abstract
Blood parasites are considered some of the most significant pathogens for the conservation of penguins, due to the considerable morbidity and mortality they have been shown to produce in captive and wild populations of these birds. Parasites known to occur in the blood of penguins include haemosporidian protozoans (Plasmodium, Leucocytozoon, Haemoproteus), piroplamid protozoans (Babesia), kinetoplastid protozoans (Trypanosoma), spirochete bacteria (Borrelia) and nematode microfilariae. This review provides a critical and comprehensive assessment of the current knowledge on these parasites, providing an overview of their biology, host and geographic distribution, epidemiology, pathology and implications for public health and conservation.
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Valkiūnas G, Iezhova TA. Exo-erythrocytic development of avian malaria and related haemosporidian parasites. Malar J 2017; 16:101. [PMID: 28253926 PMCID: PMC5335495 DOI: 10.1186/s12936-017-1746-7] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 02/20/2017] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Avian malaria parasites (Plasmodium spp.) and related haemosporidians (Haemosporida) are responsible for diseases which can be severe and even lethal in avian hosts. These parasites cause not only blood pathology, but also damage various organs due to extensive exo-erythrocytic development all over the body, which is not the case during Plasmodium infections in mammals. However, exo-erythrocytic development (tissue merogony or schizogony) remains the most poorly investigated part of life cycle in all groups of wildlife haemosporidian parasites. In spite of remarkable progress in studies of genetic diversity, ecology and evolutionary biology of avian haemosporidians during the past 20 years, there is not much progress in understanding patterns of exo-erythrocytic development in these parasites. The purpose of this review is to overview the main information on exo-erythrocytic development of avian Plasmodium species and related haemosporidian parasites as a baseline for assisting academic and veterinary medicine researchers in morphological identification of these parasites using tissue stages, and to define future research priorities in this field of avian malariology. METHODS The data were considered from peer-reviewed articles and histological material that was accessed in zoological collections in museums of Australia, Europe and the USA. Articles describing tissue stages of avian haemosporidians were included from 1908 to the present. Histological preparations of various organs infected with the exo-erythrocytic stages of different haemosporidian parasites were examined. RESULTS In all, 229 published articles were included in this review. Exo-erythrocytic stages of avian Plasmodium, Fallisia, Haemoproteus, Leucocytozoon, and Akiba species were analysed, compared and illustrated. Morphological characters of tissue stages that can be used for diagnostic purposes were specified. CONCLUSION Recent molecular studies combined with histological research show that avian haemosporidians are more virulent than formerly believed. The exo-erythrocytic stages can cause severe disease, especially in non-adapted avian hosts, suggesting the existence of a group of underestimated malignant infections. The development of a given haemosporidian strain can be markedly different in different avian hosts, resulting in significantly different virulence. A methodology combining the traditional histology techniques with molecular diagnostic tools is essential to speed research in this field of avian malariology.
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Gutiérrez-López R, Martínez-de la Puente J, Gangoso L, Yan J, Soriguer RC, Figuerola J. Do mosquitoes transmit the avian malaria-like parasite Haemoproteus? An experimental test of vector competence using mosquito saliva. Parasit Vectors 2016; 9:609. [PMID: 27894354 PMCID: PMC5127101 DOI: 10.1186/s13071-016-1903-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Accepted: 11/22/2016] [Indexed: 11/16/2022] Open
Abstract
Background The life-cycle of many vector-borne pathogens includes an asexual replication phase in the vertebrate host and sexual reproduction in the insect vector. However, as only a small array of parasites can successfully develop infective phases inside an insect, few insect species are competent vectors for these pathogens. Molecular approaches have identified the potential insect vectors of blood parasites under natural conditions. However, the effectiveness of this methodology for verifying mosquito competence in the transmission of avian malaria parasites and related haemosporidians is still under debate. This is mainly because positive amplifications of parasite DNA in mosquitoes can be obtained not only from sporozoites, the infective phase of the malaria parasites that migrate to salivary glands, but also from different non-infective parasite forms in the body of the vector. Here, we assessed the vectorial capacity of the common mosquito Culex pipiens in the transmission of two parasite genera. Methods A total of 1,560 mosquitoes were allowed to feed on five house sparrows Passer domesticus naturally infected by Haemoproteus or co-infected by Haemoproteus/Plasmodium. A saliva sample of the mosquitoes that survived after 13 days post-exposure was taken to determine the presence of parasite DNA by PCR. Results Overall, 31.2% mosquito’s head-thorax and 5.8% saliva samples analysed showed positive amplifications for avian malaria parasites. In contrast to Haemoproteus DNA, which was not found in either the body parts or the saliva, Plasmodium DNA was detected in both the head-thorax and the saliva of mosquitoes. Parasites isolated from mosquitoes feeding on the same bird corresponded to the same Plasmodium lineage. Conclusions Our experiment provides good evidence for the competence of Cx. pipiens in the transmission of Plasmodium but not of Haemoproteus. Molecular analyses of saliva are an effective method for testing the vector competence of mosquitoes and other insects in the transmission of vector-borne pathogens.
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Affiliation(s)
- Rafael Gutiérrez-López
- Department of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain
| | - Josué Martínez-de la Puente
- Department of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain.,CIBER Epidemiología y Salud Pública (CIBERESP), Sevilla, Spain
| | - Laura Gangoso
- Department of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain
| | - Jiayue Yan
- Department of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain
| | - Ramón C Soriguer
- Department of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain.,CIBER Epidemiología y Salud Pública (CIBERESP), Sevilla, Spain
| | - Jordi Figuerola
- Department of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain. .,CIBER Epidemiología y Salud Pública (CIBERESP), Sevilla, Spain.
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Lotta IA, Pacheco MA, Escalante AA, González AD, Mantilla JS, Moncada LI, Adler PH, Matta NE. Leucocytozoon Diversity and Possible Vectors in the Neotropical highlands of Colombia. Protist 2016; 167:185-204. [DOI: 10.1016/j.protis.2016.02.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 02/01/2016] [Accepted: 02/02/2016] [Indexed: 10/22/2022]
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Description of Haemoproteus ciconiae sp. nov. (Haemoproteidae, Haemosporida) from the white stork Ciconia ciconia, with remarks on insensitivity of established polymerase chain reaction assays to detect this infection. Parasitol Res 2016; 115:2609-16. [DOI: 10.1007/s00436-016-5007-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 03/10/2016] [Indexed: 12/13/2022]
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Reconstruction of the evolutionary history of Haemosporida (Apicomplexa) based on the cyt b gene with characterization of Haemocystidium in geckos (Squamata: Gekkota) from Oman. Parasitol Int 2016; 65:5-11. [DOI: 10.1016/j.parint.2015.09.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2015] [Revised: 09/07/2015] [Accepted: 09/10/2015] [Indexed: 01/05/2023]
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Clark NJ, Clegg SM, Klaassen M. Migration strategy and pathogen risk: non-breeding distribution drives malaria prevalence in migratory waders. OIKOS 2016. [DOI: 10.1111/oik.03220] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Nicholas J. Clark
- Environmental Futures Research Inst., School of Environment, Griffith Univ.; Gold Coast Campus QLD 4222 Australia
- Natural Environments Program, Queensland Museum; PO Box 3300 South Brisbane Queensland 4101 Australia
| | - Sonya M. Clegg
- Environmental Futures Research Inst., School of Environment, Griffith Univ.; Gold Coast Campus QLD 4222 Australia
- Edward Grey Inst., Dept of Zoology, Univ. of Oxford; Oxford OX1 3PS UK
| | - Marcel Klaassen
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin Univ.; Geelong VIC Australia
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Bukauskaitė D, Žiegytė R, Palinauskas V, Iezhova TA, Dimitrov D, Ilgūnas M, Bernotienė R, Markovets MY, Valkiūnas G. Biting midges (Culicoides, Diptera) transmit Haemoproteus parasites of owls: evidence from sporogony and molecular phylogeny. Parasit Vectors 2015; 8:303. [PMID: 26041656 PMCID: PMC4469425 DOI: 10.1186/s13071-015-0910-6] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 05/20/2015] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Haemoproteus parasites are widespread, and several species cause diseases both in birds and blood-sucking insects. These pathogens are transmitted by dipterans belonging to the Ceratopogonidae and Hippoboscidae, however certain vector species remain unknown for the majority of Haemoproteus spp. Owls are often infected by Haemoproteus parasites, but experimental studies on vectors of these infections are lacking. The aim of this study was to investigate sporogonic development of two widespread Haemoproteus parasites of owls, H. noctuae and H. syrnii in experimentally infected biting midges Culicoides impunctatus and Culicoides nubeculosus. We also followed in vitro sporogonic development of these infections and determined their phylogenetic relationships with Haemoproteus spp., for which vectors have been identified. METHODS Wild-caught C. impunctatus and laboratory reared C. nubeculosus were infected experimentally by allowing them to take blood meals on one individual long-eared owl (Asio otus) and one tawny owl (Strix aluco) harbouring mature gametocytes of H. noctuae (lineage hCIRCUM01) and H. syrnii (hCULCIB01), respectively. The engorged insects were maintained in the laboratory at 16-18 °C, and dissected at intervals in order to follow the development of ookinetes, oocysts and sporozoites. We also observed in vitro development of sexual stages of both parasites by exposure of infected blood to air. The parasite lineages were determined by polymerase chain reaction-based methods. Bayesian phylogeny was constructed in order to determine the relationships of owl parasites with other avian Haemoproteus spp., for which vectors have been identified. RESULTS Both H. noctuae and H. syrnii completed sporogony in C. nubeculosus, and H. noctuae completed sporogony in C. impunctatus. Ookinetes, oocysts and sporozoites of these parasites were reported and described. Gametes and ookinetes of both species readily developed in vitro. In accordance with sporogony data, the phylogenetic analysis placed both parasite lineages in a clade of Culicoides spp.-transmitted avian Haemoproteus (Parahaemoproteus) spp. CONCLUSIONS Culicoides nubeculosus and C. impunctatus are vectors of H. noctuae and H. syrnii. Phylogenies based on cytochrome b gene indicate parasite-vector relationships, and we recommend using them in predicting possible parasite-vector relationships and planning research on avian Haemoproteus spp. vectors in wildlife.
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Affiliation(s)
- Dovilė Bukauskaitė
- Institute of Ecology, Nature Research Centre, Akademijos 2, Vilnius 21, LT-09412, Lithuania.
| | - Rita Žiegytė
- Institute of Ecology, Nature Research Centre, Akademijos 2, Vilnius 21, LT-09412, Lithuania.
| | - Vaidas Palinauskas
- Institute of Ecology, Nature Research Centre, Akademijos 2, Vilnius 21, LT-09412, Lithuania.
| | - Tatjana A Iezhova
- Institute of Ecology, Nature Research Centre, Akademijos 2, Vilnius 21, LT-09412, Lithuania.
| | - Dimitar Dimitrov
- Institute of Ecology, Nature Research Centre, Akademijos 2, Vilnius 21, LT-09412, Lithuania.
- Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 2 Gagarin Street, Sofia, 1113, Bulgaria.
| | - Mikas Ilgūnas
- Institute of Ecology, Nature Research Centre, Akademijos 2, Vilnius 21, LT-09412, Lithuania.
| | - Rasa Bernotienė
- Institute of Ecology, Nature Research Centre, Akademijos 2, Vilnius 21, LT-09412, Lithuania.
| | - Mikhail Yu Markovets
- Biological Station Rybachy of the Zoological Institute, Russian Academy of Sciences, Rybachy, 238535, , Kaliningrad Region, Russia.
| | - Gediminas Valkiūnas
- Institute of Ecology, Nature Research Centre, Akademijos 2, Vilnius 21, LT-09412, Lithuania.
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