ArticleParasites & vectors2018
Multilocus genotype analysis outlines distinct histories for Trichinella britovi in the neighboring Mediterranean islands of Corsica and Sardinia.
Article in Parasites & vectors, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 22 citations in OpenAlex.
- A cross-sectional study ofJournal of veterinary research · 2025Article
- Article
- Scheme of Effective Epidemiological Investigations inFoods (Basel, Switzerland) · 2023Article
- A Trichinella britovi outbreak in the Northern Alps of France: investigation by a local survey network.Parasite (Paris, France) · 2023Article
- Genetic evidence substantiates transmission of Trichinella spiralis from one swine farm to another.Parasites & vectors · 2021Article
- Intraspecific genetic variation inInternational journal for parasitology. Parasites and wildlife · 2019Article
- Retrospective analysis of hospital discharge records for cases of trichinellosis does not allow evaluation of disease burden in Italy.Parasite (Paris, France) · 2019Article
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Authors and funding
8 authors at 5 institutions in 2 countries.
Funding
Abstract
backgroundThe zoonotic nematode Trichinella britovi was discovered in two neighboring Mediterranean islands of Corsica and Sardinia, almost simultaneously at the beginning of the 21st century. An epidemiological link between the two parasite populations was generally assumed. In 2015, an outbreak of trichinellosis in Nice, the South of France, was reportedly caused by the consumption of raw pork delicatessen imported from Corsica. The aims of the present study were to investigate, by multilocus genotype (MLG) analyses, the hypothesis of the common origin of the Corsican and Sardinian T. britovi foci and to trace "from fork to farm" the origin of the pork product, which caused a trichinellosis outbreak in mainland France in 2015.
methodsSixty-three T. britovi isolates were collected from animals and pork products of Sardinia and Corsica islands and from mainland of Italy, France and Spain. We analyzed genetic variability at four polymorphic microsatellite loci by two independent algorithms, the Bayesian and multivariate analyses, to evaluate the genetic relationships of 1367 single larvae.
resultsTrichinella britovi isolates of the two islands showed different genetic structures and the Bayesian analysis revealed a different membership of the two insular populations. Furthermore, two geographically separate genetic groups were identified among Corsican isolates. Lastly, the origin of the pork delicatessen marketed in Nice was linked to a breeder-butcher in Corsica.
conclusionsThe low level of genetic admixture of the insular T. britovi isolates suggests that this pathogen colonized the two islands by separate events. On the other hand in Corsica, although the isolates share the same genetic structure, geographically separate isolates showed different membership. We suggest the MLG analysis as a suitable method in supporting epidemiological investigations to trace "from fork to farm" insular populations of T. britovi.
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