| study of the ethiological agent of gnathostomosis in nayarit, mexico. | in order to clarify the specific identity of the etiological agent of human gnathostomosis in nayarit state, mexico, morphological and molecular studies were conducted on advanced third stage larvae obtained from human and fish tissue. cathorops fuerthii from agua brava lagoons complex, was the only fish species found to be infected among four species surveyed. morphological variability does not allow specific identification of the larvae. internal transcribed spacer 2 of the ribosomal dna was s ... | 2002 | 12113759 |
| estuarine fish and turtles as intermediate and paratenic hosts of gnathostoma binucleatum in nayarit, mexico. | human gnathostomosis is a severe public health problem in the state of nayarit, mexico. between 1995 and 2005, the registration of human cases numbered 6,328, which makes it one of the largest focal points of the disease in the country. the present study determined the presence of natural hosts of gnathostoma binucleatum larvae at the laguna de agua brava in nayarit, mexico. a total of 5,450 fish and 247 turtles were sampled. muscular tissue was ground and observed against the light using a 100- ... | 2007 | 17924145 |