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Galvin, S.,Boyle, F.,Hickey, P.,Vellinga, A.,Morris, D.,Cormican, M.
2010
June
Enumeration and characterization of antimicrobial-resistant E. coli in effluent from municipal, hospital and secondary treated sources
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We describe a modification of the most probable number (MPN) method for rapid enumeration of antimicrobial-resistant E. coli in aqueous environmental samples. E. coli (total and antimicrobial-resistant) were enumerated in effluent samples from a hospital (n = 17), municipal sewer upstream (n = 5) and downstream (n = 5) from the hospital, effluent from throughout the treatment process (n = 4) and treated effluent samples (n = 13). Effluent downstream from hospital contained a higher proportion of antimicrobial-resistant E. coli compared with upstream. Waste water treatment reduced numbers of E. coli (total and antimicrobial-resistant) however antimicrobial-resistant E. coli were not eliminated and E. coli resistant to cefotaxime (including extended-spectrum beta-lactamase (ESBL) producers), ciprofloxacin and cefoxitin were present in treated effluent.We describe a modification of the most probable number (MPN) method for rapid enumeration of antimicrobial-resistant E. coli in aqueous environmental samples. E. coli (total and antimicrobial-resistant) were enumerated in effluent samples from a hospital (n = 17), municipal sewer upstream (n = 5) and downstream (n = 5) from the hospital, effluent from throughout the treatment process (n = 4) and treated effluent samples (n = 13). Effluent downstream from hospital contained a higher proportion of antimicrobial-resistant E. coli compared with upstream. Waste water treatment reduced numbers of E. coli (total and antimicrobial-resistant) however antimicrobial-resistant E. coli were not eliminated and E. coli resistant to cefotaxime (including extended-spectrum beta-lactamase (ESBL) producers), ciprofloxacin and cefoxitin were present in treated effluent.
1098-5336 (Electronic) 00
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=20525867http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=20525867
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