Artículo
Type IV longus pilus of enterotoxigenic Escherichia coli: occurrence and association with toxin types and colonization factors among strains isolated in Argentina
Autor
Pichel, Mariana
Binsztein, Norma
Qadri, Firdausi
Girón, Jorge A.
Resumen
Fil: Pichel, Mariana G. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina. Fil: Binsztein, Norma. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas; Argentina. Fil: Qadri, Firdausi. International Centre for Diarrhoeal Disease Research; Bangladesh. Fil: Girón, Jorge A. Benemérita Universidad Autónoma de Puebla. Centro de Investigaciones en Ciencias Microbiológicas; México. The longus type IV pilus structural gene (lngA) was sought among 217 clinical enterotoxigenic Escherichia coli (ETEC) strains isolated in Argentina. lngA was present in 20.7% of the isolates and was highly associated with ETEC producing heat-stable toxin and the most common colonization factors. The prevalence of longus among ETEC strains in Argentina was comparable to that of colonization factor antigen I (CFA/I), CFA/II, and CFA/IV in other regions of the world.