{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T06:56:31Z","timestamp":1768546591427,"version":"3.49.0"},"reference-count":67,"publisher":"American Society for Microbiology","issue":"8","license":[{"start":{"date-parts":[[2014,4,15]],"date-time":"2014-04-15T00:00:00Z","timestamp":1397520000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Appl Environ Microbiol"],"published-print":{"date-parts":[[2014,4,15]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Many pharmaceuticals and personal care products (PPCPs) have been shown to be biotransformed in water treatment systems. However, little research exists on the effect of initial PPCP concentration on PPCP biotransformation or on the microbial communities treating impacted water. In this study, biological PPCP removal at various concentrations was assessed using laboratory columns inoculated with wastewater treatment plant effluent. Pyrosequencing was used to examine microbial communities in the columns and in soil from a soil aquifer treatment (SAT; a method of water treatment prior to reuse) site. Laboratory columns were supplied with different concentrations (0.25, 10, 100, or 1,000 \u03bcg liter\n            <jats:sup>\u22121<\/jats:sup>\n            ) of each of 15 PPCPs. Five PPCPs (4-isopropyl-3-methylphenol [biosol],\n            <jats:italic>p<\/jats:italic>\n            -chloro-\n            <jats:italic>m<\/jats:italic>\n            -xylenol, gemfibrozil, ketoprofen, and phenytoin) were not removed at any tested concentrations. Two PPCPs (naproxen and triclosan) exhibited removals independent of PPCP concentration. PPCP removal efficiencies were dependent on initial concentrations for biphenylol,\n            <jats:italic>p<\/jats:italic>\n            -chloro-\n            <jats:italic>m<\/jats:italic>\n            -cresol, chlorophene, diclofenac, 5-fluorouracil, ibuprofen, and valproic acid, showing that PPCP concentration can affect biotransformation. Biofilms from sand samples collected from the 0.25- and 10-\u03bcg liter\n            <jats:sup>\u22121<\/jats:sup>\n            PPCP columns were pyrosequenced along with SAT soil samples collected on three consecutive days of a wetting and drying cycle to enable comparison of these two communities exposed to PPCPs. SAT communities were similar to column communities in taxonomy and phylotype composition, and both were found to contain close relatives of known PPCP degraders. The efficiency of biological removal of PPCPs was found to be dependent on the concentration at which the contamination occurs for some, but not all, PPCPs.\n          <\/jats:p>","DOI":"10.1128\/aem.03693-13","type":"journal-article","created":{"date-parts":[[2014,2,8]],"date-time":"2014-02-08T02:18:26Z","timestamp":1391825906000},"page":"2440-2450","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":48,"title":["Removal of Pharmaceuticals and Personal Care Products during Water Recycling: Microbial Community Structure and Effects of Substrate Concentration"],"prefix":"10.1128","volume":"80","author":[{"given":"Kathryn M.","family":"Onesios-Barry","sequence":"first","affiliation":[{"name":"Department of Geography and Environmental Engineering, Johns Hopkins University, Baltimore, Maryland, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Berry","sequence":"additional","affiliation":[{"name":"Department of Microbiology and Ecosystem Science, Division of Microbial Ecology, Faculty of Life Sciences, University of Vienna, Vienna, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jody B.","family":"Proescher","sequence":"additional","affiliation":[{"name":"Applied Biological Sciences Group, Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"I. 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