Screening and characterizing a denitrifying phosphorus-accumulating bacterium isolated from a circular plug-flow reactor

Denitrifying phosphorus-accumulating organisms (DNPAO) are viewed as one of the most effective means to solve the removal contradiction of nitrogen and phosphorus in wastewater treatment. In this study, we isolated a DNPAO (C-17, accession number: KU745702) from activated sludge in a patented circul...

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Veröffentlicht in:Environmental technology. - 1993. - 37(2016), 22 vom: 21. Nov., Seite 2823-9
1. Verfasser: Xie, En (VerfasserIn)
Weitere Verfasser: Ding, Aizhong, Zheng, Lei, Dou, Junfeng, Anderson, Bruce, Huang, Xiaolong, Jing, Ruoting
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article 16S rRNA Pseudomonas sp denitrification phosphorus poly-β-hydroxybutyrate Nitrates Nitrites Phosphates RNA, Ribosomal, 16S mehr... Water Pollutants, Chemical Phosphorus 27YLU75U4W
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520 |a Denitrifying phosphorus-accumulating organisms (DNPAO) are viewed as one of the most effective means to solve the removal contradiction of nitrogen and phosphorus in wastewater treatment. In this study, we isolated a DNPAO (C-17, accession number: KU745702) from activated sludge in a patented circular plug-flow reactor, physiologically to Pseudomonas sp. based on 16S rRNA sequence and phenotypic characteristics. The results of denitrifying phosphorus-accumulating experiment showed that Pseudomonas C-17 has high removal efficiencies for [Formula: see text] and NO3-N, 75% and 87%, respectively. The ratio of phosphorus release was 25.0 mg [Formula: see text] (with anabolism) and 26.8 mg [Formula: see text] (without anabolism), respectively. Our results indicated that Pseudomonas C-17 had strong capacity of phosphorus release, and its uptake is often imprecisely evaluated by ignoring the part of metabolic consumption. Pseudomonas C-17 is capable of utilizing oxygen, nitrate and nitrite as electron acceptors under experimental conditions 
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700 1 |a Ding, Aizhong  |e verfasserin  |4 aut 
700 1 |a Zheng, Lei  |e verfasserin  |4 aut 
700 1 |a Dou, Junfeng  |e verfasserin  |4 aut 
700 1 |a Anderson, Bruce  |e verfasserin  |4 aut 
700 1 |a Huang, Xiaolong  |e verfasserin  |4 aut 
700 1 |a Jing, Ruoting  |e verfasserin  |4 aut 
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