Results 141 to 150 of about 1,018 (168)

CRISPR-Cas Phage Defense Systems and Prophages in Candidatus Accumulibacter

Water Research, 2023
Candidatus Accumulibacter plays a major role in enhanced biological phosphorus removal (EBPR) from wastewater. Although bacteriophages have been shown to represent fatal threats to Ca. Accumulibacter organisms and thus interfere with the stability of the
Guanglei Qiu, Stefan Wuertz, Chaohai Wei
exaly   +6 more sources

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Candidatus Accumulibacter Use Fermentation Products for Enhanced Biological Phosphorus Removal

Water Research, 2023
Previous research suggested that two major groups of polyphosphate-accumulating organisms (PAOs), i.e., Ca. Accumulibacter and Tetrasphaera, play cooperative roles in enhanced biological phosphorus removal (EBPR). The fermentation of complex organic compounds by Tetrasphaera provides carbon sources for Ca. Accumulibacter.
Guanglei Qiu, Xiaojing Xie, Gengrui Wei
exaly   +3 more sources

“Candidatus Accumulibacter Delftensis”: A Clade IC Novel Polyphosphate-Accumulating Organism Without Denitrifying Activity on Nitrate [PDF]

Water Research, 2019
Populations of “Candidatus Accumulibacter”, a known polyphosphate-accumulating organism, within clade IC have been proposed to perform anoxic P-uptake activity in enhanced biological phosphorus removal (EBPR) systems using nitrate as electron acceptor ...
Francisco Rubio Rincón, Carlos M. Lopez-Vazquez, Damir Brdjanovic   +2 more
exaly   +3 more sources

Enrichment and application of extracellular nonulosonic acids containing polymers of Accumulibacter

Applied Microbiology and Biotechnology, 2022
Pseudaminic and legionaminic acids are a subgroup of nonulosonic acids (NulOs) unique to bacterial species. There is a lack of advances in the study of these NulOs due to their complex synthesis and production. Recently, it was seen that "Candidatus Accumulibacter" can produce Pse or Leg analogues as part of its extracellular polymeric substances (EPS).
Sergio Tomás-Martínez, Le Min Chen, Martin Pabst, David G. Weissbrodt, Mark C. M. van Loosdrecht, Yuemei Lin   +5 more
openaire   +4 more sources

Metabolism and Ecological Niche of Tetrasphaera and Ca. Accumulibacter in Enhanced Biological Phosphorus Removal

Water Research, 2017
Tetrasphaera and Candidatus Accumulibacter are two abundant polyphosphate accumulating organisms in full-scale enhanced biological phosphorus removal (EBPR) systems. However, little is known about the metabolic behaviour and ecological niche that each organism exhibits in mixed communities.
Adrian Oehmen, João Paulo da Costa de Noronha, Gilda Carvalho   +2 more
exaly   +7 more sources

Denitrification of nitrate and nitrite by ‘Candidatus Accumulibacter phosphatis’ clade IC

Water Research, 2016
Phosphate accumulating organisms (PAO) are assumed to use nitrate as external electron acceptor, allowing an efficient integration of simultaneous nitrogen and phosphate removal with minimal organic carbon (COD) requirements. However, contradicting findings appear in literature regarding the denitrification capacities of PAO due to the lack of clade ...
Sondos A, Saad, Laurens, Welles, Ben, Abbas, Carlos M, Lopez-Vazquez, Mark C M, van Loosdrecht, Damir, Brdjanovic   +5 more
openaire   +2 more sources

Enrichment and characterization of a psychrophilic ‘Candidatus Accumulibacter phosphatis’ culture

International Biodeterioration & Biodegradation, 2017
Abstract Enhanced Biological phosphorous removal (EBPR) processes, often operated at low temperatures, are utilised world-wide, but currently little is known regarding enrichment cultures and the characteristics of active organisms (“Candidatus Accumulibacter phosphatis” (Accumulibacter)) under psychrophilic conditions.
W.D. Tian, C. Ma, Y.M. Lin, L. Welles, C. Lopez-Vazquez, M.C.M. van Loosdrecht   +5 more
openaire   +1 more source

Sulphide effects on the physiology of Candidatus Accumulibacter phosphatis type I

Applied Microbiology and Biotechnology, 2016
Sulphate-rich wastewaters can be generated due to (i) use of saline water as secondary-quality water for sanitation in urban environments (e.g. toilet flushing), (ii) discharge of industrial effluents, (iii) sea and brackish water infiltration into the sewage and (iv) use of chemicals, which contain sulphate, in drinking water production.
F J, Rubio-Rincón, C M, Lopez-Vazquez, L, Welles, M C M, van Loosdrecht, D, Brdjanovic   +4 more
openaire   +2 more sources

Transcriptional Responses of Candidatus Accumulibacter Clades to Environmental Dynamics in Enhanced Biological Phosphorus Removal

Bioresource Technology, 2020
The dynamic response mechanism of Candidatus Accumulibacter clades to environmental factors in enhanced biological phosphorus removal (EBPR) was unclear. This study investigated the relationship between the transcriptional responses of Candidatus Accumulibacter clades and environmental dynamics.
Wenlong Liu, Zhiwei Fan, Wei Zeng
exaly   +3 more sources

Dominant Candidatus Accumulibacter phosphatis Enriched in Response to Phosphate Concentrations in EBPR Process

Microbes and Environments, 2017
Candidatus Accumulibacter phosphatis (Accumulibacter), which plays an important role in enhanced biological phosphorus removal in wastewater treatment plants, is phylogenetically classified into two major types (Types I and II). Phosphate concentrations affect the Accumulibacter community of the biomass enriched in treatment plants.
Noriatsu Ozaki, Awaluddin Nurmiyanto, Tomonori Kindaichi   +2 more
exaly   +3 more sources