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Outa JO, Bhika P, Avenant-Oldewage A. Gastropod invasions in anthropogenically impacted impoundments in South Africa: Tracing their origins and exploring field evidence of parasite spillback and amplification. Int J Parasitol 2024; 54:279-301. [PMID: 38452963 DOI: 10.1016/j.ijpara.2024.02.004] [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: 09/05/2023] [Revised: 01/12/2024] [Accepted: 02/29/2024] [Indexed: 03/09/2024]
Abstract
Invasive snails are associated with ecological problems in freshwater bodies worldwide. However, their impact on the transmission of digenean infections remain underreported. In the present study, 1708 specimens representing four snail species were sampled from four impoundments in the Limpopo River system in South Africa. Gyraulus chinensis (Planorbidae), Physella acuta (Physidae) and Pseudosuccinea columella (Lymnaeidae), which are invasive, were found in all the sampling sites. In contrast, the native lymnaeid Radix natalensis occurred at only one study site. Digeneans were observed only from R. natalensis (prevalence = 49%) and Ps. columella (prevalence = 23%). Morphological and genetic analyses revealed four digeneans: Fasciola nyanzae, Orientocreadium sp., Petasiger sp. and Patagifer vioscai. Pseudosuccinea columella was infected by the four digeneans while R. natalensis harboured only Orientocreadium sp. and Petasiger sp. Partial sequences of Orientocreadium sp. from the current study differed from congeners whose DNA data are available on GenBank, by p-distances of at least 1.84 and 2.2% for 28S and the internal transcribed spacer (ITS) rDNA, respectively. Phylogenetic analyses demonstrated that the present species is sister to Orientocreadium batrachoides. Genetic and phylogenetic data based on 28S and ITS rDNA suggested that Petasiger sp. from the present study and isolates of three unidentified Petasiger spp. from Kenya, Hungary and Australia, were representatives of the same species. This is the first known report of Orientocreadium, Petasiger and Patagifer from Ps. columella. The occurrence of F. nyanzae in Ps. columella indicates spillback from R. natalensis. These findings echo the concerns raised in previous studies about the potential role of Ps. columella in the amplification of digenean diseases in its introduced range. Phylogenetic analyses of partial sequences of the cytochrome c oxidase subunit 1 mitochondrial gene (cox1) showed multiple lineages of Ps. columella in North and South America. Pseudosuccinea columella specimens from the present study belong to an invasive genotype that has spread globally and has been reported from Zimbabwe, Egypt, Portugal, Australia, Argentina, Colombia and New Mexico (USA). Physella acuta from the current study had a stronger genetic relationship with isolates from Canada and Iceland, than with isolates from other parts of Africa, suggesting several invasion routes into Africa. This is the first known DNA characterisation of G. chinensis from Africa. Phylogenetic reconstruction indicated multiple exit events of G. chinensis from Asia into Europe and Africa. South African isolates clustered in a recent branch containing isolates from the Czech Republic and Hong Kong, China. Considering the presence of invasive snails in all the sampling sites in the present study, it is necessary to investigate the factors that enhance their establishment and to monitor their effects on the native snail populations.
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Affiliation(s)
- James Omondi Outa
- University of Johannesburg, Department of Zoology, Auckland Park B-2006, Johannesburg, South Africa. https://twitter.com/OutaJames
| | - Parthi Bhika
- University of Johannesburg, Department of Zoology, Auckland Park B-2006, Johannesburg, South Africa
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Costa M, Mansilla F, Manuel Sala J, Saravia A, Ubios D, Lores P, Capozzo AV, Freire T. Fasciola hepatica infection modifies IgG1 specific immune response to foot-and-mouth disease virus induced by vaccination. Vaccine 2024; 42:541-547. [PMID: 38185546 DOI: 10.1016/j.vaccine.2023.12.067] [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: 08/19/2023] [Revised: 12/15/2023] [Accepted: 12/20/2023] [Indexed: 01/09/2024]
Abstract
Fasciola hepatica, a worldwide distributed helminth, has a robust immunoregulatory effect in the host, increasing the susceptibility to secondary infections. Foot and mouth disease (FMD) is a highly contagious acute vesicular viral disease effectively controlled by vaccination in endemic regions. Despite the evidence of immunoregulatory effects, the impact of fasciolosis on the immune response induced by FMD vaccination in cattle has never been assessed. Our objective was to evaluate whether the infection by F. hepatica in cattle influences the long-term immunity elicited by the currently used commercial FMD-inactivated vaccines. Aberdeen Angus steers negative for F. hepatica were vaccinated twice against FMD virus (FMDV) during the first 6 months of age using a commercial oil vaccine formulated with A24/Cruzeiro and O1/Campos strains. When maternal antibodies against F. hepatica were weaned (18--20 months of age) animals were divided into groups of 12 and infected or mock-infected with 500 metacercariae/animal. Individual serum samples were collected at 0-, 28-, 59-, 87- and 157-days post-infection (dpi). Indirect ELISAs were used to detect A24/Cruzeiro specific bovine IgG and IgG subtypes. The total IgG antibody levels and avidity against FMDV did not show significant differences between all the groups. The commercial vaccine induced higher IgG2 than IgG1 titers in vaccinated animals. Anti-FMDV IgG1 levels significantly decreased in the infected group at 28 dpi. In addition, the avidity of IgG1 FMDV-specific antibodies at day 28 in the infected group was reduced compared to the control. These results show that F. hepatica infection modified anamnestic responses against FMDV, reducing serum IgG1 titers and avidity. To our knowledge, this is the first report of immune-regulation of F. hepatica altering the immune response of FMD vaccines, one of the most globally used animal vaccines.
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Affiliation(s)
- Monique Costa
- Laboratorio de Inmunomodulación y Vacunas, Departamento de Inmunobiología, Facultad de Medicina, Universidad de La República, Montevideo, Uruguay
| | - Florencia Mansilla
- Instituto de Virología e Innovaciones Tecnológicas, Centro de Investigaciones en Ciencias Veterinarias y Agronómicas (CICVyA), INTA, Hurlingham, Buenos Aires, Argentina
| | - Juan Manuel Sala
- Estación Experimental Agropecuaria- Instituto Nacional de Tecnología Agropecuaria (INTA), Juan Pujol al Este s/n (3470), Mercedes, Corrientes, Argentina
| | - Anderson Saravia
- Plataforma de Investigación en Salud Animal, Instituto Nacional de Investigación Agropecuaria, La Estanzuela, Ruta 50, km 11, Colonia 70006, Uruguay
| | - Diego Ubios
- Programa de carne y lana, Instituto Nacional de Investigación Agropecuaria, La Estanzuela, Ruta 50, km 11, Colonia 70006, Uruguay
| | - Pablo Lores
- Laboratorio de Inmunomodulación y Vacunas, Departamento de Inmunobiología, Facultad de Medicina, Universidad de La República, Montevideo, Uruguay
| | - Alejandra Victoria Capozzo
- Instituto de Virología e Innovaciones Tecnológicas, Centro de Investigaciones en Ciencias Veterinarias y Agronómicas (CICVyA), INTA, Hurlingham, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Teresa Freire
- Laboratorio de Inmunomodulación y Vacunas, Departamento de Inmunobiología, Facultad de Medicina, Universidad de La República, Montevideo, Uruguay.
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Chai JY, Seo M, Shin DH. Paleoparasitology research on ancient helminth eggs and larvae in the Republic of Korea. PARASITES, HOSTS AND DISEASES 2023; 61:345-387. [PMID: 38043533 PMCID: PMC10693964 DOI: 10.3347/phd.23085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 10/24/2023] [Indexed: 12/05/2023]
Abstract
Paleoparasitology is a discipline that applies existing conventional and molecular techniques to study parasites found in ancient ruins. This review focuses on the history of the discovery of parasites (mostly helminth eggs and larvae) in archaeological soil samples and mummies in Korea from the Three Kingdoms Period to the Joseon Dynasty (100 BCE-1910 CE). We also briefly review important milestones in global paleoparasitology. The helminth species reported so far in Korea included Ascaris lumbricoides, Trichuris trichiura, Strongyloides stercoralis (larva), Trichostrongylus sp. (larva), Paracapillaria philippinensis (syn. Capillaria philippinensis), Enterobius vermicularis, Fasciola hepatica, dicrocoeliids, Paragonimus westermani, Clonorchis sinensis, Metagonimus yokogawai, Pygidiopsis summa, Gymnophalloides seoi, Isthmiophora hortensis, Dibothriocephalus nihonkaiensis (syn. Diphyllobothrium nihonkaiense), and Taenia spp. tapeworms. The findings obtained by Korean paleoparasitologists/archaeologists have brought about deep insight into the status of helminthic infections in Korea's past populations. Continued paleoparasitological research is essential for further understanding of ancient parasites and parasitic diseases in Korea.
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Affiliation(s)
- Jong-Yil Chai
- Department of Tropical Medicine and Parasitology, Seoul National University College of Medicine, Seoul 03080,
Korea
| | - Min Seo
- Department of Parasitology, Dankook University College of Medicine, Cheonan 31116,
Korea
| | - Dong Hoon Shin
- Department of Anatomy and Cell Biology, Seoul National University College of Medicine, Seoul 03080,
Korea
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Juhasz A, Chapman E, Martin A, Cunningham LJ, Jones S, Johnson B, Walsh ND, Quayle J, Cracknell J, LaCourse EJ, Stothard JR. ON LIVER FLUKE (FASCIOLA HEPATICA) IN CAPTIVE VICUÑAS (VICUGNA VICUGNA) AT KNOWSLEY SAFARI, PRESCOT, UNITED KINGDOM. J Zoo Wildl Med 2023; 54:345-349. [PMID: 37428698 DOI: 10.1638/2022-0125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2023] [Indexed: 07/12/2023] Open
Abstract
Knowsley Safari (KS), Prescot, United Kingdom houses a variety of captive exotic ungulates. As part of their animal welfare plan, a prospective coprological survey was undertaken for liver fluke. In June 2021, 330 fecal samples, representative of 18 exotic ungulate species, were processed by sedimentation and filtration, with examination by coproscopy. Finding fascioliasis in all five vicuña alone, with fecal egg counts ranging from one to eight eggs per gram, anthelminthic treatment was attempted twice, with three coprological reviews. While the first anthelminthic treatment (oxyclozanide) was equivocal, the second anthelminthic treatment (triclabendazole) was proven effective upon two later follow-ups. An initial malacological survey of 16 freshwater sites in KS, first found Galba truncatula at two sites in June 2021, then upon more extensive searching subsequently within the vicuña's enclosure. It appears that F. hepatica was locally acquired, being the first report of fascioliasis within captive vicuñas in the United Kingdom. To develop a better fluke-management plan, regular coprological and malacological surveillance is justified, perhaps with molecular xenomonitoring of snails, alongside prompt administration of appropriate flukicide as required.
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Affiliation(s)
- Alexandra Juhasz
- Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, United Kingdom,
- Institute of Medical Microbiology, Semmelweis University, H-1089 Budapest Hungary
| | - Emma Chapman
- Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, United Kingdom
| | - Amy Martin
- Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, United Kingdom
| | - Lucas J Cunningham
- Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, United Kingdom
| | - Sam Jones
- Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, United Kingdom
| | - Bridget Johnson
- Research and Conservation, Knowsley Safari, Prescot, Merseyside, L34 4AN
| | - Naomi Davies Walsh
- Research and Conservation, Knowsley Safari, Prescot, Merseyside, L34 4AN
| | - Jen Quayle
- Research and Conservation, Knowsley Safari, Prescot, Merseyside, L34 4AN
| | - Jonathan Cracknell
- Research and Conservation, Knowsley Safari, Prescot, Merseyside, L34 4AN
| | - E James LaCourse
- Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, United Kingdom
| | - J Russell Stothard
- Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool, L3 5QA, United Kingdom
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Juhász A, Stothard JR. The giant liver fluke in Europe: A review of Fascioloides magna within cervids and livestock with considerations on an expanding snail-fluke transmission risk. ADVANCES IN PARASITOLOGY 2023; 119:223-257. [PMID: 36707174 DOI: 10.1016/bs.apar.2022.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The giant liver fluke, Fascioloides magna, common in North America and introduced into Europe in the 19th century, is an underappreciated model system for epidemiological studies on biological invasions, interactions with other native parasites and for health impact assessments within both definitive and intermediate snail host populations. Owing to its first contemporary appearance in Europe and then its subsequent spread, fascioloidosis has become a fluke-livestock/wildlife-snail combination of increasing interest for veterinarians, parasitologists and population geneticists. Here, we present a description of its recent epidemiology, biogeography and biology, inclusive of host species lists. Special emphasis is placed upon known definitive hosts of F. magna within Europe and considerations upon this fluke's local intermediate snail hosts. This helps us envisage plausible future epidemiological scenarios for further expansion across Europe, potentially even invasion into the UK. In line with others who draw attention upon needs for better systematic monitoring of putative risk-areas of fluke transmission, we close by highlighting why better surveillance of F. magna across continental Europe, and neighbouring territories, is justified.
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Affiliation(s)
- Alexandra Juhász
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool, United Kingdom; Institute of Medical Microbiology, Semmelweis University, Budapest, Hungary.
| | - J Russell Stothard
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool, United Kingdom
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Alba A, Grech-Angelini S, Vázquez A, Alda P, Blin Q, Lemmonier L, Chauvin A, Chartier C, Douchet P, Hurtrez-Boussès S, Rey O, Foata J, Boissier J, Quilichini Y. Fasciolosis in the Mediterranean island of Corsica (France): Insights from epidemiological and malacological investigations. Food Waterborne Parasitol 2023; 30:e00188. [PMID: 36718346 PMCID: PMC9883184 DOI: 10.1016/j.fawpar.2023.e00188] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 01/11/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
Fasciolosis is a re-emergent parasitic disease of worldwide significance with a major global impact on livestock health and production. In the French Mediterranean island of Corsica, fasciolosis has been recognized for a long time but little is known about its dynamic as the main investigations are outdated. Three compartments - definitive domestic hosts, intermediate hosts and environment - involved in fasciolosis transmission were studied by applying an integrative and extensive approach: (1) farm and abattoir surveys, (2) snail sampling, identification and infection prospection, and (3) snail habitat analysis; and (4) a questionnaire-based survey to inquire about husbandry practices and environmental risks. Our results indicate a significant circulation of the liver flukes in Corsican livestock, with 90% (252/279) of the sampled farms testing positive for anti-F. hepatica antibodies. At the abattoir, 46% (67/149) of cattle were positive for F. hepatica antibodies and eggs were present in the bile of 19% (26/139) bovines. In addition, high prevalence of Dicrocoelium dendriticum (69%) was observed in slaughtered cattle. Malacological surveys registered the occurrence of several lymnaeid species in a variety of habitats throughout the island. In particular, we report for the first time the presence of the invasive lymnaeid snail Pseudosuccinea columella in Corsica, a potential intermediate host for F. hepatica. We also found that the presence of Galba truncatula and, to a lesser extent, that of Peregriana peregra, is associated with altitude. Fasciola hepatica DNA was detected in the latter species occurring at two different sites. Finally, a questionnaire-based study revealed risky management practices among Corsican farmers, low perception of transmission and a suboptimal use of flukicide treatments as main control strategy. Our results show that animal fasciolosis in Corsica is characterised by a significant circulation and a favourable epidemiological scenario for transmission to occur.
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Affiliation(s)
- A. Alba
- Laboratoire de Sciences Pour l'Environnement, UMR 6134, CNRS, Université de Corse Pasquale Paoli, Corte, Corse, France,Centro de Investigaciones, Diagnóstico y Referencia, Instituto de Medicina Tropical “Pedro Kourí”, La Habana, Cuba,Corresponding author at: Laboratoire de Sciences Pour l'Environnement, UMR 6134, CNRS, Université de Corse Pasquale Paoli, Corte, Corse, France.
| | | | - A.A. Vázquez
- Centro de Investigaciones, Diagnóstico y Referencia, Instituto de Medicina Tropical “Pedro Kourí”, La Habana, Cuba,MIVEGEC, Université de Montpellier, CNRS, IRD, Montpellier, France
| | - P. Alda
- MIVEGEC, Université de Montpellier, CNRS, IRD, Montpellier, France,Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS–CCT–CONICET Bahía Blanca), Bahía Blanca, Argentina
| | - Q. Blin
- Laboratoire de Sciences Pour l'Environnement, UMR 6134, CNRS, Université de Corse Pasquale Paoli, Corte, Corse, France
| | - L. Lemmonier
- Laboratoire de Sciences Pour l'Environnement, UMR 6134, CNRS, Université de Corse Pasquale Paoli, Corte, Corse, France
| | | | | | - P. Douchet
- IHPE, Univ. Montpellier, CNRS, Ifremer, Univ. Perpignan Via Domitia, Perpignan, France
| | - S. Hurtrez-Boussès
- MIVEGEC, Université de Montpellier, CNRS, IRD, Montpellier, France,CREES, Montpellier, France,Département de Biologie-Écologie, Faculté des Sciences, Université de Montpellier, Montpellier, France
| | - O. Rey
- IHPE, Univ. Montpellier, CNRS, Ifremer, Univ. Perpignan Via Domitia, Perpignan, France
| | - J. Foata
- Laboratoire de Sciences Pour l'Environnement, UMR 6134, CNRS, Université de Corse Pasquale Paoli, Corte, Corse, France
| | - J. Boissier
- IHPE, Univ. Montpellier, CNRS, Ifremer, Univ. Perpignan Via Domitia, Perpignan, France
| | - Y. Quilichini
- Laboratoire de Sciences Pour l'Environnement, UMR 6134, CNRS, Université de Corse Pasquale Paoli, Corte, Corse, France
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Mas-Coma S, Valero MA, Bargues MD. Human and Animal Fascioliasis: Origins and Worldwide Evolving Scenario. Clin Microbiol Rev 2022; 35:e0008819. [PMID: 36468877 PMCID: PMC9769525 DOI: 10.1128/cmr.00088-19] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Fascioliasis is a plant- and waterborne zoonotic parasitic disease caused by two trematode species: (i) Fasciola hepatica in Europe, Asia, Africa, the Americas, and Oceania and (ii) F. gigantica, which is restricted to Africa and Asia. Fasciolid liver flukes infect mainly herbivores as ruminants, equids, and camelids but also omnivore mammals as humans and swine and are transmitted by freshwater Lymnaeidae snail vectors. Two phases may be distinguished in fasciolid evolution. The long predomestication period includes the F. gigantica origin in east-southern Africa around the mid-Miocene, the F. hepatica origin in the Near-Middle East of Asia around the latest Miocene to Early Pliocene, and their subsequent local spread. The short postdomestication period includes the worldwide spread by human-guided movements of animals in the last 12,000 years and the more recent transoceanic anthropogenic introductions of F. hepatica into the Americas and Oceania and of F. gigantica into several large islands of the Pacific with ships transporting livestock in the last 500 years. The routes and chronology of the spreading waves followed by both fasciolids into the five continents are redefined on the basis of recently generated knowledge of human-guided movements of domesticated hosts. No local, zonal, or regional situation showing disagreement with historical records was found, although in a few world zones the available knowledge is still insufficient. The anthropogenically accelerated evolution of fasciolids allows us to call them "peridomestic endoparasites." The multidisciplinary implications for crucial aspects of the disease should therefore lead the present baseline update to be taken into account in future research studies.
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Affiliation(s)
- Santiago Mas-Coma
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Valencia, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos IIII, Madrid, Spain
| | - M. Adela Valero
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Valencia, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos IIII, Madrid, Spain
| | - M. Dolores Bargues
- Departamento de Parasitologia, Facultad de Farmacia, Universidad de Valencia, Valencia, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos IIII, Madrid, Spain
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