{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,10]],"date-time":"2026-01-10T08:55:42Z","timestamp":1768035342617,"version":"3.49.0"},"reference-count":30,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2009,1,1]],"date-time":"2009-01-01T00:00:00Z","timestamp":1230768000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Water Environment Research"],"published-print":{"date-parts":[[2009,1]]},"abstract":"<jats:p>The occurrence of antibiotic\u2010resistant bacteria was evaluated in aqueous samples obtained from a municipal wastewater treatment plant. Samples collected from the influent, clarifier effluent, and disinfected effluent were assayed for fecal coliforms, <jats:italic>E. coli<\/jats:italic>, and enterococci exhibiting resistance to ciprofloxacin, trimethoprim\u2010sulfamethoxazole, and vancomycin. Membrane filtration of samples was followed by plating on growth media containing various concentrations of antibiotic. Bacterial colonies on plates with antibiotic exposures greater than the clinical minimum inhibitory concentrations were counted and considered resistant. The numbers of drug\u2010resistant organisms in influent ranged from nondetectable to 7 \u00d7 10 <jats:sup>5<\/jats:sup> colony\u2010forming units (CFU)\/100 mL for fecal coliforms, nondetectable to 5 \u00d7 10 <jats:sup>4<\/jats:sup> CFU\/100 mL for <jats:italic>E. coli<\/jats:italic>, and nondetectable to 6 \u00d7 10 <jats:sup>5<\/jats:sup> CFU\/100 mL for enterococci. Fecal coliforms, <jats:italic>E. coli<\/jats:italic>, and enterococci with reduced susceptibility to antibiotics were also detected in influent and clarifier effluent; however, the disinfected effluent did not contain resistant bacteria. Species\u2010level identification of enterococci revealed that resistant enterococci were predominantly <jats:italic>E. faecalis<\/jats:italic>.<\/jats:p>","DOI":"10.2175\/106143008x304596","type":"journal-article","created":{"date-parts":[[2009,2,11]],"date-time":"2009-02-11T16:23:13Z","timestamp":1234369393000},"page":"82-90","source":"Crossref","is-referenced-by-count":77,"title":["Occurrence of Ciprofloxacin\u2010, Trimethoprim\u2010Sulfamethoxazole\u2010, and Vancomycin\u2010Resistant Bacteria in a Municipal Wastewater Treatment Plant"],"prefix":"10.1002","volume":"81","author":[{"given":"Sujatha R.","family":"Nagulapally","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aqeel","family":"Ahmad","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adam","family":"Henry","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"George L.","family":"Marchin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ludek","family":"Zurek","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alok","family":"Bhandari","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2009,1]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-2836(05)80360-2"},{"key":"e_1_2_7_3_1","volume-title":"Standards Methods for the Examination of Water and Wastewater","author":"American Public Health Association; American Water Works Association; Water Environment Federation","year":"1992"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/48.suppl_1.5"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.3201\/eid0807.010264"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/39.suppl_1.1"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1093\/ajcp\/45.4_ts.493"},{"key":"e_1_2_7_8_1","doi-asserted-by":"crossref","unstructured":"Bhandari A.;Close L. 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