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Fasciola hepatica-Pseudosuccinea columella interaction: effect of increasing parasite doses, successive exposures and geographical origin on the infection outcome of susceptible and naturally-resistant snails from Cuba ArchiMer
Alba, Annia; Vazquez, Antonio A.; Sanchez, Jorge; Duval, David; Hernandez, Hilda M.; Sabourin, Emeline; Vittecoq, Marion; Hurtrez-bousses, Sylvie; Gourbal, Benjamin.
Background: Pseudosuccinea columella is one of the most widespread vectors of Fasciola hepatica, a globally distributed trematode that affects humans, livestock and wildlife. The exclusive occurrence in Cuba of susceptible and naturally-resistant populations to F. hepatica within this snail species, offers a fascinating model for evolutionary biology, health sciences and vector control strategies. In particular, resistance in P. columella is characterized by the encapsulation of the parasite by host's immune cells and has been experimentally tested using different Cuban F. hepatica isolates with no records of successful infection. Here, we aimed to explore for the first time, the effect of different parasite doses, successive exposures and different...
Tipo: Text Palavras-chave: Snail-trematode interaction; Lymnaeidae; Liver fluke; Experimental infection; Immune priming; Compatibility; Allopatric parasites.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00467/57894/71760.pdf
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Anatomical evidence for the occurrence of Lymnaea (Galba) palustris (O.F. Müller, 1774) and L. (Galba) corvus (Gmelin, 1778) (Gastropoda: Lymnaeidae) in the Netherlands Naturalis
Velde, G. van der; Kessel, C.M. van.
A study was made on the Lymnaea (Galba) palustris complex in The Netherlands. Investigations on the genitalia proved that in The Netherlands two species are present, viz. L. palustris (O. F. Müller, 1774) and L. corvus (Gmelin, 1778), which can not in all cases be distinguished by shell characters. Genitalia were prepared, drawn and several measurements were carried out to investigate the variation within the two species. It appeared that most characters show a partial or total overlap. Some characters appeared to separate the two species absolutely. One of these is very useful for a quick distinction of both species, viz. the situation of the truncus receptaculi with respect to the oviductus, which character is already visible after a general dissection...
Tipo: Article / Letter to the editor Palavras-chave: Mollusca; Gastropoda; Lymnaeidae; Lymnaea (Galba) palustris; L. (Galba) corvus; Anatomy; The Netherlands; 42.73.
Ano: 1984 URL: http://www.repository.naturalis.nl/record/318120
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