Identification of estuarine fish Dormitator latifrons as an intermediate host and Eleotris picta as a paratenic host for Gnathostoma binucleatum in Sinaloa, Mexico
Por:
Díaz-Camacho S.P., de la Cruz-Otero, MD, Zazueta-Ramos M.L., Bojórquez-Contreras A., Sicairos-Félix J., Campista-León S., Guzmán-Loreto R., Delgado-Vargas F., León-Règagnon V., Nawa Y.
Publicada:
1 nov 2008
Resumen:
Gnathostomosis is a typical fish-borne zoonotic parasitosis and is currently a serious public health issue in Mexico. Among several Gnathostoma species present in wild animals in Mexico, Gnathostoma binucleatum is the only proven species responsible for human diseases, and the advanced third stage larvae (AL3) of G. binucleatum have been found in over 20 species of fish in this country. In Sinaloa State, two fish species, Dormitator latifrons and Eleotris picta, were heavily contaminated with G. binucleatum AL3. When we analyzed the relationship between the size of the fish and the density of infection with G. binucleatum AL3, the distribution patterns of AL3 were markedly different between these two fish species. Apparent size-dependent accumulation was observed in E. picta but not in D. latifrons, suggesting that E. picta is a paratenic host whereas D. latifrons is a second intermediate host.
Filiaciones:
Díaz-Camacho S.P.:
Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Sinaloa, Mexico
Zazueta-Ramos M.L.:
Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Sinaloa, Mexico
Bojórquez-Contreras A.:
Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Sinaloa, Mexico
Sicairos-Félix J.:
Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Sinaloa, Mexico
Campista-León S.:
Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Sinaloa, Mexico
Guzmán-Loreto R.:
Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Sinaloa, Mexico
Delgado-Vargas F.:
Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Culiacán, Sinaloa, Mexico
León-Règagnon V.:
Univ Nacl Autonoma Mexico, Inst Biol, Lab Helmintol, Mexico City 70153, DF, Mexico
Nawa Y.:
University of Miyazaki, Miyazaki, Japan
Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán Rosales, Sinaloa 80010, Mexico
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