Please use this identifier to cite or link to this item: https://doi.org/10.1007/s00253-009-2201-7
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dc.titleInfluence of trace erythromycin and erythromycin-H2O on carbon and nutrients removal and on resistance selection in sequencing batch reactors (SBRs)
dc.contributor.authorFan, C.
dc.contributor.authorLee, P.K.H.
dc.contributor.authorNg, W.J.
dc.contributor.authorAlvarez-Cohen, L.
dc.contributor.authorBrodie, E.L.
dc.contributor.authorAndersen, G.L.
dc.contributor.authorHe, J.
dc.date.accessioned2014-10-08T08:32:39Z
dc.date.available2014-10-08T08:32:39Z
dc.date.issued2009-11
dc.identifier.citationFan, C., Lee, P.K.H., Ng, W.J., Alvarez-Cohen, L., Brodie, E.L., Andersen, G.L., He, J. (2009-11). Influence of trace erythromycin and erythromycin-H2O on carbon and nutrients removal and on resistance selection in sequencing batch reactors (SBRs). Applied Microbiology and Biotechnology 85 (1) : 185-195. ScholarBank@NUS Repository. https://doi.org/10.1007/s00253-009-2201-7
dc.identifier.issn01757598
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/87534
dc.description.abstractThree sequencing batch reactors (SBRs) were operated in parallel to study the effects of trace erythromycin (ERY) and ERY-H2O on the treatment of a synthetic wastewater. Through monitoring (1) daily effluents and (2) concentrations of nitrogen (N) and phosphorous (P) in certain batch cycles of the three reactors operated from transient to steady states, the removal of carbon, N, and P was affected negligibly by ERY (100∈μg/L) or ERY-H 2O (50∈μg/L) when compared with the control reactor. However, through analyzing microbial communities of the three steady state SBRs on high-density microarrays (PhyloChip), ERY, and ERY-H2O had pronounced effects on the community composition of bacteria related to N and P removal, leading to diversity loss and abundance change. The above observations indicated that resistant bacteria were selected upon exposure to ERY or ERY-H 2O. Short-term batch experiments further proved the resistance and demonstrated that ammonium oxidation (56-95%) was inhibited more significantly than nitrite oxidation (18-61%) in the presence of ERY (100, 400, or 800∈μg/L). Therefore, the presence of ERY or ERY-H2O (at μg/L levels) shifted the microbial community and selected resistant bacteria, which may account for the negligible influence of the antibiotic ERY or its derivative ERY-H2O (at μg/L levels) on carbon, N, and P removal in the SBRs.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1007/s00253-009-2201-7
dc.sourceScopus
dc.subjectAntibiotics
dc.subjectDehydrated erythromycin (ERY-H 2O)
dc.subjectErythromycin (ERY)
dc.subjectNutrients removal
dc.subjectSequencing batch reactors (SBRs)
dc.typeArticle
dc.contributor.departmentDIVISION OF ENVIRONMENTAL SCIENCE & ENGG
dc.description.doi10.1007/s00253-009-2201-7
dc.description.sourcetitleApplied Microbiology and Biotechnology
dc.description.volume85
dc.description.issue1
dc.description.page185-195
dc.description.codenAMBID
dc.identifier.isiut000271025100018
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