Shiga toxigenic and enteropathogenic Escherichia coli in water and fish from pay-to-fish ponds

• DOI: 10.1111/lam.12536
• Publication Date: 2015-12-16T07:24:12Z
• Authors: L.F. Ribeiro; M.M.C. Barbosa; F. de Rezende Pinto; C.S.L. Guariz; R.P. Maluta; J.R. Rossi; G.A.M. Rossi; M.V.F. Lemos; L.A. do Amaral
• Keywords: STX2; Enteropathogenic Escherichia coli

Escherichia coli is part of the normal microflora intestines mammals. However, among enteric pathogens, it one leading causes intestinal diseases, especially Shiga toxigenic E. coli, which can cause diarrhoea, haemorrhagic colitis and complications like haemolytic uraemic syndrome thrombotic thrombocytopaenic purpura. considered a serious public health problem. Water fish samples were subjected to biochemical tests confirm presence by PCR verify pathogenic strains (O157, enteropathogenic shiga toxigenic) in water (skin, gastrointestinal tract muscles) from pay-to-fish ponds located Córrego Rico watershed northeastern region state São Paulo, Brazil. Of 115 isolates or water, five (4·34%) contained eae stx2 genes, had only gene two stx1 gene. An isolate containing was also found sample. In addition, eight (6·95%) rfbEO157:H7 (O157 gene), three (2·61%) demonstrating potential risk environment health. The results provide useful basic information for proper management these environments animals order prevent faecal pollution, reducing risks Brazilian population.Pay-to-fish are common commercial activity Samples Oreochromis niloticus examined detect toxigenic). Several detected this study, providing epidemiological population.