{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,10]],"date-time":"2026-01-10T07:45:54Z","timestamp":1768031154979,"version":"3.49.0"},"reference-count":18,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2010,8,30]],"date-time":"2010-08-30T00:00:00Z","timestamp":1283126400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Basic Microbiol."],"published-print":{"date-parts":[[2010,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The objective of this study was to evaluate the incidence of vancomycin resistant enterococci in sludge and sewage of urban and poultry\u2010slaughterhouse wastewater treatment plants. A total of 17 vancomycin resistant enterococci (eight <jats:italic>vanA<\/jats:italic> \u2010containing<jats:italic> Enterococcus faecium<\/jats:italic> and nine <jats:italic>vanC1\/vanC2<\/jats:italic> \u2010containing <jats:italic>Enterococcus gallinarum\/casseliflavus<\/jats:italic>) were found among 499 isolates of sewage and sludge samples of 14 urban and nine poultry\u2010slaughterhouse wastewater treatment plants. These seventeen VRE isolates showed resistance to kanamycin (<jats:italic>n<\/jats:italic> = 8), tetracycline (<jats:italic>n<\/jats:italic> = 7), erythromycin (<jats:italic>n<\/jats:italic> = 7), ciprofloxacin (<jats:italic>n<\/jats:italic> = 7), ampicillin (<jats:italic>n<\/jats:italic> = 7), streptomycin (<jats:italic>n<\/jats:italic> = 6), and gentamicin (<jats:italic>n<\/jats:italic> = 2). The tetM gene, related with tetracycline resistance, was found in six of eight <jats:italic>van<\/jats:italic> A\u2010containing isolates, in all seven <jats:italic>vanC\u20101<\/jats:italic> isolates and in one of two v<jats:italic>anC\u20102<\/jats:italic> isolates. The <jats:italic>ermB<\/jats:italic> gene in <jats:italic>seven<\/jats:italic> erythromycin\u2010resistant isolates; and the <jats:italic>aac6<\/jats:italic> \u2032\u2010<jats:italic>aph2<\/jats:italic> \u2033 gene in the two high\u2010level\u2010gentamicin\u2010resistant isolates. Moreover, two <jats:italic>vanA<\/jats:italic> \u2010containing <jats:italic>E. faecium<\/jats:italic> isolates harbored the <jats:italic>hyl<\/jats:italic> virulence gene, and three isolates the <jats:italic>entA<\/jats:italic> bacteriocin gene. The <jats:italic>purK\u20101<\/jats:italic> allele was detected in our urban <jats:italic>vanA<\/jats:italic> \u2010containing <jats:italic>E. faecium<\/jats:italic> isolate, and we found as well the <jats:italic>purK\u20106<\/jats:italic> allele in one poultry\u2010slaughterhouse <jats:italic>vanA<\/jats:italic> \u2010containing <jats:italic>E. faecium<\/jats:italic> isolate. This study suggests that the wastewater treatment plants might be an important source of dissemination of antibiotic\u2010resistant enterococci in Portugal. (\u00a9 2010 WILEY\u2010VCH Verlag GmbH &amp; Co. KGaA, Weinheim)<\/jats:p>","DOI":"10.1002\/jobm.201000102","type":"journal-article","created":{"date-parts":[[2010,8,31]],"date-time":"2010-08-31T14:55:14Z","timestamp":1283266514000},"page":"605-609","source":"Crossref","is-referenced-by-count":59,"title":["Vancomycin\u2010resistant enterococci from Portuguese wastewater treatment plants"],"prefix":"10.1002","volume":"50","author":[{"given":"Carlos","family":"Ara\u00fajo","sequence":"first","affiliation":[]},{"given":"Carmen","family":"Torres","sequence":"additional","affiliation":[]},{"given":"Nuno","family":"Silva","sequence":"additional","affiliation":[]},{"given":"Catarina","family":"Carneiro","sequence":"additional","affiliation":[]},{"given":"Alexandre","family":"Gon\u00e7alves","sequence":"additional","affiliation":[]},{"given":"Hajer","family":"Radhouani","sequence":"additional","affiliation":[]},{"given":"Susana","family":"Correia","sequence":"additional","affiliation":[]},{"given":"Paulo Martins","family":"da Costa","sequence":"additional","affiliation":[]},{"given":"Rui","family":"Paccheco","sequence":"additional","affiliation":[]},{"given":"Myriam","family":"Zarazaga","sequence":"additional","affiliation":[]},{"given":"Fernanda","family":"Ruiz\u2010Larrea","sequence":"additional","affiliation":[]},{"given":"Patr\u00edcia","family":"Poeta","sequence":"additional","affiliation":[]},{"given":"Gilberto","family":"Igrejas","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2010,8,30]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijid.2007.04.020"},{"issue":"4","key":"e_1_2_1_3_2","first-page":"43","volume":"11","author":"Mascini E.M.","year":"2005","journal-title":"Vancomycin\u2010resistant enterococci: consequences for therapy and infection control"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0167-5877(96)01119-1"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.watres.2006.02.025"},{"key":"e_1_2_1_6_2","doi-asserted-by":"publisher","DOI":"10.1080\/03601230600964258"},{"key":"e_1_2_1_7_2","doi-asserted-by":"crossref","unstructured":"Radhouani H. 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