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Gryczyńska A, Polaczyk J, Welc-Falęciak R. Toxoplasma gondii infection in ticks infesting migratory birds: the blackbird (Turdus merula) and the song thrush (Turdus philomelos). Exp Appl Acarol 2024; 92:233-240. [PMID: 38321308 DOI: 10.1007/s10493-023-00878-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 12/29/2023] [Indexed: 02/08/2024]
Abstract
Toxoplasmosis, caused by the protozoan Toxoplasma gondii, is the zoonosis widespread all over the world. Birds constitute an important group of T. gondii intermediate hosts often attacked by definitive hosts, e.g. domestic cats. Due to confirmation of an additional way of T. gondii transmission via tick bite, the aim of our study was to state and evaluate the infection prevalence of ticks feeding on blackbirds (Turdus merula) and song thrushes (Turdus philomelos). The real-time PCR amplification of the B1 gene fragment was used for detection of T. gondii infection in 157 Ixodes ricinus ticks removed from captured birds. The results showed the thrushes as hosts intensively attacked by ticks (prevalence 88.5% and 70% for blackbirds and song thrushes, respectively), and T. gondii infected individuals were detected. Among all ticks infected, 7 (5.8%; n = 120) were collected from blackbirds, and 2 (5.4%; n = 37) from song thrushes. The thrushes small body sizes and their tendency to urban ecosystems colonization, suggest that they relatively often become a pray of domestic cats, and combined with our findings, are potentially involved in maintenance the T. gondii population, especially in anthropogenic habitats, where the presence of toxoplasmosis is likely to constitute a serious danger to public health.
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Affiliation(s)
- Alicja Gryczyńska
- Department of Ecology, Institute of Functional Biology and Ecology, Faculty of Biology, Biological and Chemical Research Centre, University of Warsaw, 101 Żwirki i Wigury St, 02-089, Warsaw, Poland.
| | - Justyna Polaczyk
- Department of Parasitology, Institute of Functional Biology and Ecology, Faculty of Biology, University of Warsaw, 1 Miecznikowa St, 02-096, Warsaw, Poland
| | - Renata Welc-Falęciak
- Department of Parasitology, Institute of Functional Biology and Ecology, Faculty of Biology, University of Warsaw, 1 Miecznikowa St, 02-096, Warsaw, Poland
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Mosquera JD, Valle CA, Nieto-Claudin A, Fessl B, Lewbart GA, Deresienski D, Bouazzi L, Zapata S, Villena I, Poulle ML. Prevalence of Toxoplasma gondii in Galapagos birds: Inference of risk factors associated with diet. PLoS One 2023; 18:e0287403. [PMID: 37405972 DOI: 10.1371/journal.pone.0287403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 06/05/2023] [Indexed: 07/07/2023] Open
Abstract
Toxoplasma gondii is a zoonotic intracellular parasite of particular concern in the conservation of wildlife due to its ability to infect all homeotherms and potentially cause acute fatal disease in naive species. In the Galapagos (Ecuador), an archipelago composed of more than a hundred islets and islands, the presence of T. gondii can be attributed to human-introduced domestic cats, but little is known about its transmission in wildlife populations. We compared the prevalence of antibodies against T. gondii in sympatric Galapagos wild bird species that differ in diet and contact with oocyst-contaminated soil to determine the relative importance of trophic habits as an exposure factor. Plasma samples were obtained from 163 land birds inhabiting Santa Cruz, one of the cat-inhabited islands, and from 187 seabirds breeding in cat-free surrounding islands (Daphne Major, North Seymour, and South Plaza). These samples were tested for the presence of T. gondii antibodies using the modified agglutination test (MAT ≥ 1:10). All seven species of land birds and 4/6 species of seabirds presented seropositive results. All great frigatebirds (Fregata minor) (N = 25) and swallow-tailed gulls (Creagrus furcatus) (N = 23) were seronegative. Prevalence ranged from 13% in Nazca boobies (Sula granti) to 100% in Galapagos mockingbirds (Mimus parvulus). It decreased from occasional carnivores (63.43%) to granivores-insectivores (26.22%), and strict piscivores (14.62%). These results indicate that the consumption of tissue cysts poses the highest risk of exposure to T. gondii for Galapagos birds, followed by the ingestion of plants and insects contaminated by oocysts as important transmission pathways.
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Affiliation(s)
- Juan D Mosquera
- Epidémio-Surveillance et Circulation des Parasites dans les Environnements (ESCAPE), EA 7510, CAP SANTE, Université de Reims Champagne-Ardenne, Reims, France
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales (COCIBA), Universidad San Francisco de Quito (USFQ), Quito, Ecuador
- Galápagos Science Center (GSC), Colegio de Ciencias Biológicas y Ambientales (COCIBA), Universidad San Francisco de Quito (USFQ), Quito, Ecuador
| | - Carlos A Valle
- Galápagos Science Center (GSC), Colegio de Ciencias Biológicas y Ambientales (COCIBA), Universidad San Francisco de Quito (USFQ), Quito, Ecuador
| | - Ainoa Nieto-Claudin
- Charles Darwin Research Station, Charles Darwin Foundation, Santa Cruz, Galapagos Islands, Ecuador
- Saint Louis Zoo Institute for Conservation Medicine, Saint Lois Zoo, Saint Louis, Missouri, United States of America
| | - Birgit Fessl
- Charles Darwin Research Station, Charles Darwin Foundation, Santa Cruz, Galapagos Islands, Ecuador
| | - Gregory A Lewbart
- Galápagos Science Center (GSC), Colegio de Ciencias Biológicas y Ambientales (COCIBA), Universidad San Francisco de Quito (USFQ), Quito, Ecuador
- College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Diane Deresienski
- Galápagos Science Center (GSC), Colegio de Ciencias Biológicas y Ambientales (COCIBA), Universidad San Francisco de Quito (USFQ), Quito, Ecuador
- College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Leïla Bouazzi
- Comité Universitaire de Ressources pour la Recherche en Santé, Université de Reims Champagne-Ardenne, Reims, France
| | - Sonia Zapata
- Instituto de Microbiología, Colegio de Ciencias Biológicas y Ambientales (COCIBA), Universidad San Francisco de Quito (USFQ), Quito, Ecuador
- Galápagos Science Center (GSC), Colegio de Ciencias Biológicas y Ambientales (COCIBA), Universidad San Francisco de Quito (USFQ), Quito, Ecuador
| | - Isabelle Villena
- Epidémio-Surveillance et Circulation des Parasites dans les Environnements (ESCAPE), EA 7510, CAP SANTE, Université de Reims Champagne-Ardenne, Reims, France
- Laboratoire de Parasitologie-Mycologie, Centre National de Référence de la Toxoplasmose, Centre de Ressources Biologiques Toxoplasma, CHU Reims, Reims, France
| | - Marie-Lazarine Poulle
- Epidémio-Surveillance et Circulation des Parasites dans les Environnements (ESCAPE), EA 7510, CAP SANTE, Université de Reims Champagne-Ardenne, Reims, France
- CERFE, Université de Reims Champagne-Ardenne, Boult-aux-Bois, France
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Hensel ME, Landsgaard K, Wang W, Neupane S, Su C, Blue-McClendon A, Porter BF, Uzal FA, Rech R. Toxoplasmosis in ring-tailed lemurs (Lemur catta) and a peahen (Pavo cristatus) in a zoological collection caused by the common toxoplasma genotype in wild animals in the US. Vet Parasitol Reg Stud Reports 2023; 41:100876. [PMID: 37208075 DOI: 10.1016/j.vprsr.2023.100876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 04/06/2023] [Accepted: 04/14/2023] [Indexed: 05/21/2023]
Abstract
Toxoplasmosis is caused by the ubiquitous Apicomplexan protozoan Toxoplasma gondii. This pathogen affects domestic and wildlife species, but prosimians including ring-tailed lemurs (Lemur catta) are highly susceptible to infection with high mortality rates. Avian species are considered resistant to infection and are often used in surveillance efforts to determine genotypes of T. gondii present in geographical areas. This study describes the gross and histologic lesions of an outbreak of toxoplasmosis in a university-run zoological collection involving three ring-tailed lemurs and a peahen (Pavo cristatus). DNA was extracted from the liver of the lemurs and peahen to determine the genotype of T. gondii by polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP), which revealed that all samples were ToxoDB PCR-RFLP genotype #5 (haplogroup 12) that is common in wildlife in North America.
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Affiliation(s)
- M E Hensel
- Department of Veterinary Pathobiology, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX 77845, United States of America; Department of Comparative Medicine, Michale E. Keeling Center for Comparative Medicine and Research, MD Anderson Cancer Center, Bastrop, TX 78602, United States of America
| | - K Landsgaard
- Department of Veterinary Pathobiology, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX 77845, United States of America
| | - W Wang
- Department of Microbiology, University of Tennessee, Knoxville, TN 37996-0845, United States of America
| | - S Neupane
- Department of Veterinary Pathobiology, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX 77845, United States of America
| | - C Su
- Department of Microbiology, University of Tennessee, Knoxville, TN 37996-0845, United States of America
| | - A Blue-McClendon
- Department of Veterinary Physiology & Pharmacology, Texas A&M University, College Station, TX 77843, United States of America
| | - B F Porter
- Department of Veterinary Pathobiology, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX 77845, United States of America
| | - F A Uzal
- California Animal Health and Food Safety, University of California-Davis, San Bernardino, CA 92408, United States of America
| | - R Rech
- Department of Veterinary Pathobiology, School of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, TX 77845, United States of America.
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Dini FM, Graziosi G, Lupini C, Catelli E, Galuppi R. Migratory Wild Birds as Potential Long-Distance Transmitters of Toxoplasma gondii Infection. Pathogens 2023; 12:478. [PMID: 36986400 PMCID: PMC10051421 DOI: 10.3390/pathogens12030478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/14/2023] [Accepted: 03/17/2023] [Indexed: 03/22/2023] Open
Abstract
Toxoplasma gondii is a worldwide distributed zoonotic protozoan capable of infecting a wide range of mammals (including humans) and birds as intermediate hosts. Migratory wild birds, through interconnecting countries along their flyways, can play a role in the spatial spread of T. gondii and could contribute to its sylvatic cycle. Additionally, hunted wild birds used for meat consumption could represent a further source of human infection. To determine the presence of T. gondii in wild birds, a total of 50 individuals belonging to the Anseriformes and Charadriiformes orders were sampled during the 2021–2022 hunting season in Northern Italy. Cardiac muscle samples of three Northern shovelers (Anas clypeata), two wild mallards (A. platyrhynchos), one Eurasian teal (A. crecca), and one Northern lapwing (Vanellus vanellus) were positive for the molecular detection of T. gondii based on a targeted amplification of the B1 gene. A 14% (7/50) overall positivity was observed in the sampled population. Results from this study suggest a moderate exposure of wild aquatic birds to T. gondii, highlighting the importance of a further characterization of T. gondii in its wildlife hosts.
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Scimeca RC, Carpenter A, Caron M, Matt CL, Brandão J, O’Connell TJ, Reichard MV. Prevalence and genetic characterization of Toxoplasma gondii strains isolated from 31 wild Passeriformes collected in North-Central Oklahoma. J Parasit Dis 2023; 47:140-145. [PMID: 36910312 PMCID: PMC9998805 DOI: 10.1007/s12639-022-01548-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 10/31/2022] [Indexed: 11/17/2022] Open
Abstract
Passerine birds are widely distributed and adapted to various habitats, therefore they are commonly exposed to, and infected with Toxoplasma gondii. The purpose of our project was to determine the prevalence and genotypes of T. gondii in 31 different species of passerines collected as mortalities due to window collisions in North-Central Oklahoma. DNA was extracted from breast tissue and subjected to PCR with primers that amplify a portion of the T. gondii B1 gene. Genotyping was based on a portion of the infected birds based on a multiplex PCR followed by RFLP of 12 T . gondii markers. Of 103 birds comprising 31 species, the overall prevalence (95% confidence interval) of T. gondii infection was 33.0% (24.1‒42.6%). Significant differences in the proportion of T. gondii in birds according to sex or weight were not observed. However, sample sizes of each species were small and prevented a robust analysis of T. gondii according to those biological variables. Genotyping of T. gondii in a subset of 13 infected individuals of 7 species revealed 4 genotypes, according to the Toxoplasma Data Base: #54, #139, #20, and #220. Our results, while hampered by a small sample size for each bird species, suggest that infection with T. gondii in Oklahoma, is common in both migrant and resident passerines.
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Affiliation(s)
- Ruth C. Scimeca
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078 USA
| | - Alexis Carpenter
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078 USA
| | - Marianne Caron
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078 USA
| | - Crystal L. Matt
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078 USA
| | - João Brandão
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078 USA
| | - Timothy J. O’Connell
- Department of Natural Resource Ecology and Management, Oklahoma State University, Stillwater, OK 74078 USA
| | - Mason V. Reichard
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Oklahoma State University, Stillwater, OK 74078 USA
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Zanet S, Veronesi F, Giglia G, Baptista CRP, Morganti G, Mandara MT, Vada R, De Carvalho LMM, Ferroglio E. The Dangerous Side of Being a Predator: Toxoplasma gondii and Neospora caninum in Birds of Prey. Pathogens 2023; 12:pathogens12020271. [PMID: 36839542 PMCID: PMC9963945 DOI: 10.3390/pathogens12020271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/05/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023] Open
Abstract
Toxoplasma gondii and Neospora caninum are apicomplexan protozoa of major concern in livestock and T. gondii is also considered one of the major threats and a public health concern. These protozoa have a wide range of intermediate hosts, including birds. The present work aimed to assess the prevalence of these cyst-forming parasites in migratory and sedentary birds of prey. The skeletal muscle and myocardium of 159 birds of prey from Central Italy, belonging to 19 species and recovered across 6 Wildlife Recovery Centers/Care structures along the Italian migratory route, were collected specifically for molecular (PCR) and for histopathological analysis to detect T. gondii and N. caninum. For the molecular analysis, genomic DNA was extracted. The DNA was tested by sequence typing, targeting GRA6, 529 bp repeated element, B1, PK1, BTUB, SAG2, alt.SAG2, and APICO genes for T. gondii and to end-point PCR targeting NC5 gene for N. caninum. Thirty-seven out of the one hundred and fifty-nine analyzed samples tested positive for T. gondii with a prevalence of 23.27% and nine for N. caninum, with a prevalence of 5.66%. Thirty-two sequences were obtained from the thirty-seven isolates of T. gondii. Among these, 26 presented alleles compatible with type I strain in 1 or more loci, 4 with type II strain and 2 consisted of atypical strains. Toxoplasma gondii genetic variability in birds of prey confirms previous findings of wildlife as reservoirs of atypical strains. Results from the histology showed few protozoal tissue cysts in skeletal muscle (n. 4) and hearts (n. 2).
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Affiliation(s)
- Stefania Zanet
- Department of Veterinary Science, University of Turin, Largo Paolo Braccini 2, 10095 Grugliasco, Italy
| | - Fabrizia Veronesi
- Department of Veterinary Medicine, University of Perugia, San Costanzo Street 6, 06126 Perugia, Italy
- Correspondence: ; Tel.: +39-(07)-55857744
| | - Giuseppe Giglia
- Department of Veterinary Medicine, University of Perugia, San Costanzo Street 6, 06126 Perugia, Italy
| | - Carolina Raquel Pinto Baptista
- Centre for Interdisciplinary Research in Animal Health, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
| | - Giulia Morganti
- Department of Veterinary Medicine, University of Perugia, San Costanzo Street 6, 06126 Perugia, Italy
| | - Maria Teresa Mandara
- Department of Veterinary Medicine, University of Perugia, San Costanzo Street 6, 06126 Perugia, Italy
| | - Rachele Vada
- Department of Veterinary Science, University of Turin, Largo Paolo Braccini 2, 10095 Grugliasco, Italy
| | - Luis Manuel Madeira De Carvalho
- Centre for Interdisciplinary Research in Animal Health, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
| | - Ezio Ferroglio
- Department of Veterinary Science, University of Turin, Largo Paolo Braccini 2, 10095 Grugliasco, Italy
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Truong AT, Yoo MS, Min S, Lim JY, Seo HJ, Kim HC, Chong ST, Klein TA, Park CU, Cho SY, Choi CY, Kwon YS, Kim M, Yoon SS, Cho YS. Toxoplasma gondii and Rickettsia spp. in ticks collected from migratory birds in the Republic of Korea. Sci Rep 2022; 12:12672. [PMID: 35879387 DOI: 10.1038/s41598-022-16785-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 07/15/2022] [Indexed: 11/21/2022] Open
Abstract
Migratory birds disperse ticks and associated tick-borne pathogens along their migratory routes. Four selected pathogens of medical importance (Coxiella burnetii, Rickettsia spp., Francisella tularensis, and Toxoplasma gondii) were targeted for detection in 804 ticks (365 pools) collected from migratory birds at Hong and Heuksan Islands in the Republic of Korea (ROK) from 2010 to 2011 and 2016. Toxoplasma gondii and Rickettsia spp., were detected in 1/365 (0.27%) and 34/365 (9.32%) pools of ticks, respectively. T. gondii and five rickettsial species were recorded in ticks collected from migratory birds for the first time in ROK. The five rickettsial species (R. monacensis, Candidatus Rickettsia longicornii, R. japonica, R. raoultii, and R. tamurae) were identified using sequence and phylogenetic analysis using ompA and gltA gene fragments. Rickettsia spp. are important pathogens that cause rickettsiosis in humans, with cases recorded in the ROK. These results provide important evidence for the potential role of migratory birds in the introduction and dispersal of T. gondii and Rickettsia spp. along their migratory routes and raise awareness of potential transmission of zoonotic tick-borne pathogens associated with migratory birds in the ROK.
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de Barros RAM, Torrecilhas AC, Marciano MAM, Mazuz ML, Pereira-Chioccola VL, Fux B. Toxoplasmosis in Human and Animals Around the World. Diagnosis and Perspectives in the One Health Approach. Acta Trop 2022; 231:106432. [PMID: 35390311 DOI: 10.1016/j.actatropica.2022.106432] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/25/2022] [Accepted: 03/27/2022] [Indexed: 12/12/2022]
Abstract
Toxoplasmosis is a unique health disease that significantly affects the health of humans, domestic animals, wildlife and is present in ecosystems, including water, soil and food. Toxoplasma gondii is one of the best-adapted parasites in the word. This parasite is able to persist for long periods in its hosts, in different geographic regions of the word. This review summarizes the current literature of these themes, focusing on: (1) toxoplasmosis, a zoonotic infection; (2) One health approach and toxoplasmosis; (3) human toxoplasmosis; (4) animal toxoplasmosis; (5) toxoplasmosis diagnosis, as immunological, parasitological and molecular diagnosis; (6) T. gondii outbreaks caused by infected meat, milk and dairy products, as well as, vegetables and water consume; (7) studies in experimental models; (8) genetic characterization of T. gondii strains; (9) extracellular vesicles and miRNA; and (10) future perspectives on T. gondii and toxoplasmosis. The vast prevalence of toxoplasmosis in both humans and animals and the dispersion and resistence of T. gondii parasites in environment highlight the importance of the one health approach in diagnostic and control of the disease. Here the different aspects of the one health approach are presented and discussed.
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Affiliation(s)
- Rosangela Aparecida Müller de Barros
- Unidade de Medicina Tropical, Departamento de Patologia, Universidade Federal do Espirito Santo, Vitoria, ES, Brazil.; Programa em Doenças Infecciosas, Centro de Doenças Infecciosas, Universidade Federal do Espirito Santo, Vitoria, ES, Brazil..
| | - Ana Claudia Torrecilhas
- Laboratório de Imunologia Celular e Bioquímica de Fungos e Protozoários, Departamento de Ciências Farmacêuticas, Universidade Federal de São Paulo (UNIFESP), Campus Diadema, Sao Paulo, SP, Brazil..
| | | | - Monica Leszkowicz Mazuz
- Parasitology Division, Kimron Veterinary Institute, Israeli Veterinary Service and Animal Health, Ministry of Agriculture and Rural Development Beit Dagan, 5025000, Israel..
| | | | - Blima Fux
- Unidade de Medicina Tropical, Departamento de Patologia, Universidade Federal do Espirito Santo, Vitoria, ES, Brazil.; Programa em Doenças Infecciosas, Centro de Doenças Infecciosas, Universidade Federal do Espirito Santo, Vitoria, ES, Brazil..
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Jiang L, Liu B, Hou S, Su T, Fan Q, Alyafeai E, Tang Y, Wu M, Liu X, Li J, Hu Y, Li W, Zheng Z, Liu Y, Wu J. Discovery and evaluation of chalcone derivatives as novel potential anti-Toxoplasma gondii agents. Eur J Med Chem 2022; 234:114244. [DOI: 10.1016/j.ejmech.2022.114244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/20/2022] [Accepted: 02/26/2022] [Indexed: 01/08/2023]
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Zrelli S, Amairia S, Mhadhbi M, Briki O, Bouallegue S, Souissi F, Gharbi M. High Prevalence of Toxoplasma gondii in Industrial Tunisian Poultry Meat. Acta Parasitol 2022; 67:351-5. [PMID: 34495487 DOI: 10.1007/s11686-021-00467-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 08/26/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Food-borne Toxoplasma gondii infection is ranked among parasitic diseases of global concern. Toxoplasmosis is qualified as a one health disease, since it affects human health, animals, and ecosystems. The present study was performed to estimate the molecular prevalence of T. gondii in industrial poultry meat samples from Tunisia. A total of 140 breast samples were collected from chicken (Gallus gallus domesticus) and turkey (Meleagris gallopavo) and four breeding systems (broiler chickens, reform laying hens, chicken farm label, and broiler turkeys) cover the majority of chicken meat production in Tunisia. METHODS For each sample, DNA was extracted and T. gondii-specific PCR, targeting the B1 gene was performed. RESULTS The overall molecular prevalence of T. gondii in poultry meat samples was 20% (28/140; 95% CI: 13.3-26.6%). The highest prevalence was observed in chicken farm label (25.7%; 9/35). Prevalence rates were 20.0% (7/35), 20.0% (7/35), and 14.3% (5/35) in broiler chickens, broiler turkeys, and reform laying hens, respectively (p > 0.05). CONCLUSION Our finding suggests the involvement of industrial chicken meat, as a potential risk factor of human T. gondii transmission, especially when the latter is consumed undercooked.
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Omonijo AO, Kalinda C, Mukaratirwa S. Toxoplasma gondii Infections in Animals and Humans in Southern Africa: A Systematic Review and Meta-Analysis. Pathogens 2022; 11:183. [PMID: 35215126 PMCID: PMC8880191 DOI: 10.3390/pathogens11020183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/15/2022] [Accepted: 01/17/2022] [Indexed: 11/25/2022] Open
Abstract
Background: Toxoplasma gondii is an apicomplexan parasite with zoonotic importance worldwide especially in pregnant women and immunocompromised people. This study is set to review the literature on T. gondii infections in humans and animals in southern Africa. Methods: We extracted data regarding T. gondii infections from published articles from southern Africa from 1955 to 2020 from four databases, namely Google Scholar, PubMed, EBSCO Host, and Science Direct. Forty articles from eight southern African countries were found eligible for the study. Results: This review revealed a paucity of information on T. gondii infection in southern African countries, with an overall prevalence of 17% (95% CI: 7–29%). Domestic felids had a prevalence of 29% (95% CI: 7–54%), wild felids 79% (95% CI: 60–94), canids (domestic and wild) 69% (95% CI: 38–96%), cattle 20% (95% CI: 5–39%), pigs 13% (95% CI: 1–29%), small ruminants (goats and sheep) 11% (95% CI: 0–31%), chicken and birds 22% (95% CI: 0–84%), and humans 14% (95% CI: 5–25%). Enzyme-linked immunosorbent assay (ELISA) and immunofluorescence antibody test (IFAT) constituted the most frequently used diagnostic tests for T. gondii. Conclusions: We recommend more focused studies be conducted on the epidemiology of T. gondii in the environment, food animals and human population, most especially the at-risk populations.
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Padilha TC, Zitelli LC, Webster A, Dall'Agnol B, Rosa VBD, Souza U, Peters FB, Jardim M, Trigo TC, Rodrigues RO, Marks FS, Reck J. Serosurvey of antibodies against zoonotic pathogens in free-ranging wild canids (Cerdocyon thous and Lycalopex gymnocercus) from Southern Brazil. Comp Immunol Microbiol Infect Dis 2021; 79:101716. [PMID: 34715476 DOI: 10.1016/j.cimid.2021.101716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/11/2021] [Accepted: 10/17/2021] [Indexed: 10/20/2022]
Abstract
The expansion of urbanization on natural areas is increasing contact between human populations with wild animals. Wild carnivores can act as sentinel hosts or environmental health indicators. Thus, the aim of this work was to investigate the exposure of two major species of wild canids from Southern Brazil to selected pathogens. For that, we live-trapped free-ranging Cerdocyon thous and Lycalopex gymnocercus in five localities and determined the frequency of animals with antibodies against Toxoplasma gondii, Trypanosoma cruzi, Leishmania infantum, Neospora caninum, and Leptospira spp. Among the canids sampled, 23% (12/52) (95%CI: 13-36%) had antibodies against T. gondii, with titers ranging from 64 to 512. For T. cruzi, 28% (15/52) (95%CI: 18-42%) of sampled canids were seropositive, with titers ranging from 8 to 64. Concerning the protozoan pathogen N. caninum, a total of 5% (3/52) (95%CI: 2-15%) of wild canids had antibodies against it. None of the sampled canids showed the presence of antibodies against L. infantum. On the other hand, 44% (23/52) (95%CI: 31-57%) of the wild canids showed antibodies against Leptospira spp. The set of results presented here, show that free-ranging neotropical wild canids are exposed and have antibodies against to T. gondii, T. cruzi, Leptospira spp., and to a lesser degree to N. caninum. We found no evidence of L. infantum circulation among the studied populations. These results highlight some of the major pathogens which may represent risks for populations of these wild canids. DATA AVAILABILITY STATEMENT: The data that support the findings of this study are available from the corresponding author upon reasonable request.
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Affiliation(s)
- Thamiris Cardoso Padilha
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Larissa Caló Zitelli
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Anelise Webster
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Bruno Dall'Agnol
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Verônica Bueno da Rosa
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Ugo Souza
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | | | - Márcia Jardim
- Museu de Ciências Naturais do Rio Grande do Sul, Secretaria de Meio Ambiente e Infraestrutura (SEMA), Porto Alegre, RS, Brazil
| | - Tatiane Campos Trigo
- Museu de Ciências Naturais do Rio Grande do Sul, Secretaria de Meio Ambiente e Infraestrutura (SEMA), Porto Alegre, RS, Brazil
| | - Rogério Oliveira Rodrigues
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil
| | - Fernanda Simone Marks
- Departamento de Medicina Veterinária (DVT), Universidade Federal de Viçosa (UFV), Viçosa, MG, Brazil
| | - José Reck
- Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Eldorado do Sul, RS, Brazil.
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Lopes C, Brandão R, Lopes AF, Sargo R, Casero M, Nunes C, Silva F, Dubey JP, Cardoso L, Lopes AP. Prevalence of Antibodies to Toxoplasma gondii in Different Wild Bird Species Admitted to Rehabilitation Centres in Portugal. Pathogens 2021; 10:1144. [PMID: 34578176 DOI: 10.3390/pathogens10091144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 08/18/2021] [Accepted: 09/01/2021] [Indexed: 11/17/2022] Open
Abstract
Toxoplasma gondii is a worldwide zoonotic parasite. According to the “One Health” approach, studies on toxoplasmosis are essential since it affects humans and domestic and wild animals. In the present study, antibodies to T. gondii were determined in serum samples from 263 wild birds located in five wildlife rehabilitation centres in mainland Portugal by using the modified agglutination test (MAT) with a cut-off titre of 20. An overall seroprevalence of 36.5% (95% confidence interval [CI]: 30.7–42.6) was observed. For the first time, antibodies to T. gondii were detected in some avian species, including pallid swift (Apus pallidus) (33.3%), black-backed gull (Larus fuscus) (39.3%), European turtle-dove (Streptopelia turtur) (100%), bee-eater (Merops apiaster) (50.0%), carrion crow (Corvus corone) (33.3%), and Egyptian vulture (Neophron percnopterus) (100%), which expands the list of intermediate hosts of T. gondii. A lower seroprevalence was found in juvenile birds (31.9%) compared to adults (48.7%) (p = 0.016). The central region of Portugal was considered a risk factor for T. gondii infection in wild birds (odds ratio: 3.61; 95% CI: 1.09–11.91). This pioneer study calls attention to the need for further studies, to provide a clearer understanding of T. gondii epidemiology in Portugal, because it reflects wide dispersion of T. gondii oocysts in the environment.
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Abstract
Toxoplasma gondii oocysts in the environment are a threat to humans and animals. This study is aimed to evaluate the prevalence of T. gondii in white spoonbills and isolate viable T. gondii from white spoonbills. In 28.6% (2/7) of white spoonbills, T. gondii antibodies were found in heart juice by the modified agglutination test (cut-off: 1:4). T. gondii DNA was detected in tissues of 42.9% (3/7) white spoonbills. One viable T. gondii strain, named TgSpoonbillCHn1, was isolated from the myocardium of a white spoonbill by bioassay in mice. DNA extracted from TgSpoonbillCHn1 tachyzoites was characterized by PCR-restriction fragment length polymorphism with ten markers and the virulence genes ROP5 and ROP18. The results revealed that it was ToxoDB#2 (Type III). The ROP18/ROP5 genotype combination predicts that this strain is avirulent for mice, which is supported by the infection experiments in mice. This is the first report of the isolation of viable T. gondii strain from white spoonbil. The prevalence of T. gondii in white spoonbills may be indicative of environmental contamination of oocysts. This report provides direct evidence of white spoonbill as an intermediate host of T. gondii.
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Affiliation(s)
- Yurong Yang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, People's Republic of China
| | - Nan Jiang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, People's Republic of China
| | - Shilin Xin
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, People's Republic of China
| | - Longxian Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, People's Republic of China
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Gazzonis AL, Villa L, Lubian E, Ressegotti S, Grilli G, Raimondi S, Zanzani SA, Manfredi MT. Molecular Survey on Toxoplasma gondii and Neospora caninum Infection in Wild Birds of Prey Admitted to Recovery Centers in Northern Italy. Microorganisms 2021; 9:736. [PMID: 33916006 DOI: 10.3390/microorganisms9040736] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/27/2021] [Accepted: 03/29/2021] [Indexed: 11/18/2022] Open
Abstract
Toxoplasma gondii and Neospora caninum (Apicomplexa, Sarcocystidae) are protozoan parasites infecting a wide range of intermediate hosts worldwide, including birds. Raptors acquire the infections through the ingestion of both infected preys and oocysts in the environment suggesting they might be used as indicators of the spread of these pathogens. Here, we report an epidemiological survey with the aim of determining the prevalence of T. gondii and N. caninum infections in wild birds of prey, hospitalized in two Wildlife Recovery Centres (WRCs) in Northern Italy. Genomic DNA extracted from brain tissue samples was submitted to Real Time PCR targeting T. gondii B1 and N. caninum Nc5 genes. T. gondii genotyping was then performed by multilocus sequence typing (MLST) analysis, targeting three polymorphic genes (GRA6, BTUB, and altSAG2). T. gondii DNA was found in 35 (62.5%) out of 56 examined samples; concerning genotyping, it was possible to amplify at least one gene for 26 animals, and obtained sequences belonged to Type II. N. caninum DNA was only detected in two (3.6%) common kestrels (Falco tinnunculus), adding a new species to the list of suitable intermediate hosts for this pathogen. Data obtained in the present study thus confirmed the spread of both T. gondiiand N. caninum in wild bird of prey, endorsing the role of WRCs in the epidemiological surveillance of wildlife.
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Almería S, Cano-Terriza D, Prieto P, Dubey JP, Jiménez-Martín D, Castro-Scholten S, Paniagua J, García-Bocanegra I. Seroprevalence and risk factors of Toxoplasma gondii infection in wild ungulates that cohabit in a natural park with human-animal interaction in the Mediterranean ecosystem. Zoonoses Public Health 2021; 68:263-270. [PMID: 33619865 DOI: 10.1111/zph.12821] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 01/31/2021] [Accepted: 02/10/2021] [Indexed: 12/17/2022]
Abstract
The possibility of Toxoplasma gondii transmitted from game meat to humans is of public health concern. Here we determined seroprevalence and risk factors associated with T. gondii in large game ungulates that cohabit in Sierras de Cazorla, Segura and Las Villas Natural Park (SCSV-NP) (Southern Spain), a natural park with high human-animal interaction. Antibodies against T. gondii in 328 wild ungulates were assayed by the modified agglutination test (MAT ≥ 1:25). Antibodies were found in 39 (11.9%, 95% CI: 8.4-15.4) wild ungulates, with seroprevalence levels of 20.8% in wild boars (Sus scrofa) (5/24), 19.0% in fallow deer (Dama dama) (12/63), 13.9% in Iberian ibex (Capra pyrenaica hispanica) (14/101), 7.9% in red deer (Cervus elaphus) (6/76), and 3.1% in mouflons (Ovis aries musimon) (2/64). Significantly higher seroprevalence was observed in fallow deer and wild boars compared to mouflons. Animals living close to urban areas (<2 km) had 4.6-times higher risk compared to those living at >5 km of urban areas. The results indicate high circulation of T. gondii in wild ungulates in SCSV-NP, which is of animal and public health concern. The increased seroprevalence of T. gondii detected in wildlife ungulates living close to urban areas may increase human infection in those areas if meat from infected animals is consumed raw or undercooked.
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Affiliation(s)
- Sonia Almería
- Division of Virulence Assessment, Department of Health and Human Services, Food and Drug Administration, Center for Food Safety and Nutrition (CFSAN), Office of Applied Research and Safety Assessment (OARSA), Laurel, MD, USA
| | - David Cano-Terriza
- Animal Health and Zoonosis Research Group (GISAZ), Department of Animal Health, University of Cordoba, Cordoba, Spain
| | - Paloma Prieto
- Sierras de Cazorla, Segura and Las Villas Natural Park, Junta de Andalucía, Cazorla (Jaén), Spain
| | - Jitender P Dubey
- Animal Parasitic Disease Laboratory, United States Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, Beltsville, MD, USA
| | - Débora Jiménez-Martín
- Animal Health and Zoonosis Research Group (GISAZ), Department of Animal Health, University of Cordoba, Cordoba, Spain
| | - Sabrina Castro-Scholten
- Animal Health and Zoonosis Research Group (GISAZ), Department of Animal Health, University of Cordoba, Cordoba, Spain
| | - Jorge Paniagua
- Animal Health and Zoonosis Research Group (GISAZ), Department of Animal Health, University of Cordoba, Cordoba, Spain
| | - Ignacio García-Bocanegra
- Animal Health and Zoonosis Research Group (GISAZ), Department of Animal Health, University of Cordoba, Cordoba, Spain
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