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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2014.927531
|2 doi
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|a pubmed24n0805.xml
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|a (NLM)25189844
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Begum, Shamim A
|e verfasserin
|4 aut
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| 245 |
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|a Impact of butyrate on microbial selection in enhanced biological phosphorus removal systems
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 20.03.2015
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|a Date Revised 05.09.2014
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Microbial selection in an enhanced biological phosphorus removal system was investigated in a laboratory-scale sequencing batch reactor fed exclusively with butyrate as a carbon source. As reported in the few previous studies, butyrate uptake was slow and phosphorus (P) release occurred during the entire anaerobic period. Polyphosphate-accumulating organism (PAO), i.e. Candidatus Accumulibacter phosphatis (named as Accumulibacter), glycogen-accumulating organisms (GAOs), i.e. Candidatus Competibacter phosphatis (named as Competibacter) and Defluviicoccus-related, tetrad-forming alphaproteobacteria (named as Defluviicoccus) were identified using fluorescence in situ hybridization analysis. The results show that Accumulibacter and Defluviicoccus were selected in the butyrate-fed reactor, whereas Competibacter was not selected. P removal was efficient at the beginning of the experiment with an increasing percentage relative abundance (% RA) of PAOs. The % RA of Accumulibacter and Defluviicoccus increased from 13% to 50% and 8% to 16%, respectively, and the % RA of Competibacter decreased from 8% to 2% during the experiment. After 6 weeks, P removal deteriorated with the poor correlation between the percentage of P removal and % RA of GAOs
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a EBPR
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|a GAO
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|a PAO
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|a butyrate
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|a microbial selection
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| 650 |
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|a Butyrates
|2 NLM
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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|a Phosphorus
|2 NLM
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| 650 |
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|a 27YLU75U4W
|2 NLM
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| 700 |
1 |
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|a Batista, Jacimaria R
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 35(2014), 21-24 vom: 01. Nov., Seite 2961-72
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
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|g volume:35
|g year:2014
|g number:21-24
|g day:01
|g month:11
|g pages:2961-72
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|u http://dx.doi.org/10.1080/09593330.2014.927531
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