Molecular characterization of denitrifying bacteria isolated from the anoxic reactor of a modified DEPHANOX plant performing enhanced biological phosphorus removal

Enhanced Biological Phosphorus Removal (EBPR) under anoxic conditions was achieved using a Biological Nutrient Removal (BNR) system based on a modification of the DEPHANOX configuration. Double-probe Fluorescence in Situ Hybridization (FISH) revealed that Polyphosphate Accumulating Organisms (PAOs)...

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Veröffentlicht in:Water environment research : a research publication of the Water Environment Federation. - 1998. - 84(2012), 6 vom: 06. Juni, Seite 475-84
1. Verfasser: Zafiriadis, Ilias (VerfasserIn)
Weitere Verfasser: Ntougias, Spyridon, Mirelis, Paraskevi, Kapagiannidis, Anastasios G, Aivasidis, Alexander
Format: Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Water environment research : a research publication of the Water Environment Federation
Schlagworte:Journal Article Water Pollutants, Chemical Phosphorus 27YLU75U4W Oxygen S88TT14065
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245 1 0 |a Molecular characterization of denitrifying bacteria isolated from the anoxic reactor of a modified DEPHANOX plant performing enhanced biological phosphorus removal 
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520 |a Enhanced Biological Phosphorus Removal (EBPR) under anoxic conditions was achieved using a Biological Nutrient Removal (BNR) system based on a modification of the DEPHANOX configuration. Double-probe Fluorescence in Situ Hybridization (FISH) revealed that Polyphosphate Accumulating Organisms (PAOs) comprised 12.3 +/- 3.2% of the total bacterial population in the modified DEPHANOX plant. The growing bacterial population on blood agar and Casitone Glycerol Yeast Autolysate agar (CGYA) medium was 16.7 +/- 0.9 x 10(5) and 3.0 +/- 0.6 x 10(5) colony forming units (cfu) mL(-1) activated sludge, respectively. A total of 121 bacterial isolates were characterized according to their denitrification ability, with 26 bacterial strains being capable of reducing nitrate to gas. All denitrifying isolates were placed within the alpha-, beta-, and gamma-subdivisions of Proteobacteria and the family Flavobacteriaceae. Furthermore, a novel denitrifying bacterium within the genus Pseudomonas was identified. This is the first report on the isolation and molecular characterization of denitrifying bacteria from EBPR sludge using a DEPHANOX-type plant 
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700 1 |a Ntougias, Spyridon  |e verfasserin  |4 aut 
700 1 |a Mirelis, Paraskevi  |e verfasserin  |4 aut 
700 1 |a Kapagiannidis, Anastasios G  |e verfasserin  |4 aut 
700 1 |a Aivasidis, Alexander  |e verfasserin  |4 aut 
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