Escherichia coli in settled-dust and air samples collected in residential environments in Mexico City

Author:

Rosas I1,Salinas E1,Yela A1,Calva E1,Eslava C1,Cravioto A1

Affiliation:

1. Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México, D.F., México.

Abstract

Escherichia coli, an important indicator of the presence of fecal material, was isolated from indoor and outdoor environments in Mexico City. The heterogeneity of E. coli was represented by 89 serotypes, most of them coming from settled-dust indoor samples; 21% of them presented antibiotic multiresistance. The numbers of plasmids were higher among the antibiotic-resistant strains. The results of this study suggest that intestinal infections produced by environmental strains could be of more epidemiological impact than previously thought.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference21 articles.

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