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Patterns of distribution, population genetics and ecological requirements of field-occurring resistant and susceptible Pseudosuccinea columella snails to Fasciola hepatica in Cuba
Provedor de dados: 5
Autores: Alba, Annia; Vázquez, Antonio A.; Sánchez, Jorge; Lounnas, Manon; Pointier, Jean-pierre; Hurtrez-boussès, Sylvie; Gourbal, Benjamin.
Pseudosuccinea columella snails transmit the trematode Fasciola hepatica, but in Cuba, six naturally occurring populations successfully resist parasite infection. Here, we present an updated distribution of P. columella in Cuba; 68 positive sites with the earliest records more abundant in west-central Cuba and with east-central populations generally corresponding to the newest samples. No records were found farther east. The IPA site reported 10.5% prevalence of F. hepatica-infected snails. Population genetics, studied through microsatellites, showed low allelic and multilocus genotypic richness (MLGT), mainly in susceptible populations, strong deviations from panmixia and high self-fertilization rates. Susceptible individuals were grouped in one major...
Tipo: Text
Ano: 2019
URL: https://archimer.ifremer.fr/doc/00584/69660/67514.pdf