VIM-1, VIM-34, and IMP-8 Carbapenemase-Producing Escherichia coli Strains Recovered from a Portuguese River.

Anti-Bacterial Agents/pharmacology Conjugation, Genetic Escherichia coli/drug effects,enzymology,genetics,isolation & purification Gene Expression Humans Isoenzymes/genetics,metabolism Microbial Sensitivity Tests Portugal Public Health Surveillance Rivers/microbiology Water Microbiology beta-Lactam Resistance/genetics beta-Lactamases/genetics,metabolism beta-Lactams/pharmacology