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Título : A new multiplex PCR assay to distinguish among three cryptic Galba species, intermediate hosts of Fasciola hepatica
Autor : Alda, Pilar
Manon, Lounnas
Vázquez, Antonio Alejandro
Ayaqui, Rolando
Calvopiña, Manuel
Celi-Erazo, Maritza
Dillon Jr., Robert T.
Jarne, Philippe
Loker, Eric S.
Muñiz Pareja, Flavia Caroll
Muzzio-Aroca, Jenny
Palabras clave : MICROSATÉLITE
CRÍPTICAS
HEPÁTICA
FASCIOLOSIS
Fecha de publicación : ene-2018
Editorial : Buenos Aires: Elsevier
Citación : Alda, Pilar y otros (Enero, 2018). A new multiplex PCR assay to distinguish among three cryptic Galba species, intermediate hosts of Fasciola hepatica. Veterinary Parasitology 251, pp. 101-105.
Resumen : A molecular tool described here allows in one step for specific discrimination among three cryptic freshwater snail species (genus Galba) involved in fasciolosis transmission, a worldwide infectious disease of humans and livestock. The multiplex PCR approach taken targets for each species a distinctive, known microsatellite locus which is amplified using specific primers designed to generate an amplicon of a distinctive size that can be readily separated from the amplicons of the other two species on an agarose gel. In this way, the three Galba species (G. cubensis, G. schirazensis, and G. truncatula) can be differentiated from one another, including even if DNA from all three were present in the same reaction. The accuracy of this new molecular tool was tested and validated by comparing multiplex PCR results with species identification based on sequences at mitochondrial and nuclear markers. This new method is accurate, inexpensive, simple, rapid, and can be adapted to handle large sample sizes. It will be helpful for monitoring invasion of Galba species and for developing strategies to limit the snail species involved in the emergence or re-emergence of fasciolosis.
URI : http://www.dspace.uce.edu.ec/handle/25000/14191
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