Results 21 to 30 of about 6,819 (210)

Diversity of ammonia-oxidizing bacteria in relation to soil environment in Ebinur Lake Wetland

open access: yesBiotechnology & Biotechnological Equipment, 2016
Ammonia oxidation is the first and rate-limiting step of nitrification and is carried out by ammonia-oxidizing bacteria (AOB). Ebinur Lake Wetland, the most representative temperate arid zone wetland ecosystem in China, is the centre of oasis and ...
Wenge Hu   +5 more
doaj   +1 more source

Zur Stoffwechselphysiologie von Nitrosomonas [PDF]

open access: yes, 1937
Mit Hilfe von Reinkulturen wurde eine Untersuchung angestellt über den Stoffwechsel von Nitrosomonas europaea WINOGRADSKY. Als Kulturmedien wurden die minerale Nährlösung nach 'WINOGRADSKY und Nährstoff-Heyden-agar nach KINGMA BOLTJES verwendet. ... Zie:
Hes, Jakob Wolter
core   +4 more sources

Flux balance analysis of the ammonia-oxidizing bacterium Nitrosomonas europaea ATCC19718 unravels specific metabolic activities while degrading toxic compounds.

open access: yesPLoS Computational Biology, 2022
The ammonia-oxidizing bacterium Nitrosomonas europaea has been widely recognized as an important player in the nitrogen cycle as well as one of the most abundant members in microbial communities for the treatment of industrial or sewage wastewater.
Gabriela Canto-Encalada   +5 more
doaj   +1 more source

Methane oxidation by Nitrosomonas europaea [PDF]

open access: yesBiochemical Journal, 1983
Methane inhibited NH4+ utilization by Nitrosomonas europaea with a Ki of 2mM. O2 consumption was not inhibited. In the absence of NH4+, or with hydrazine as reductant, methane caused nearly a doubling in the rate of O2 uptake. The stimulation was abolished by allylthiourea, a sensitive inhibitor of the oxidation of NH4+. Analysis revealed that methanol
M R, Hyman, P M, Wood
openaire   +2 more sources

Metabolic and Proteomic Responses to Salinity in Synthetic Nitrifying Communities of Nitrosomonas spp. and Nitrobacter spp.

open access: yesFrontiers in Microbiology, 2018
Typically, nitrification is a two-stage microbial process and is key in wastewater treatment and nutrient recovery from waste streams. Changes in salinity represent a major stress factor that can trigger response mechanisms, impacting the activity and ...
Chiara Ilgrande   +6 more
doaj   +1 more source

Aerobic Denitrification Microbial Community and Function in Zero-Discharge Recirculating Aquaculture System Using a Single Biofloc-Based Suspended Growth Reactor: Influence of the Carbon-to-Nitrogen Ratio

open access: yesFrontiers in Microbiology, 2020
In this study, the effect of aerobic denitrification on nitrogen removal was investigated using two zero-discharge biofloc-based recirculating aquaculture systems with representative carbon-to-nitrogen (C/N) ratios of 15 (CN15) and 20 (CN20). Aquaculture
Min Deng   +7 more
doaj   +1 more source

Pilot Scale Application of a Ceramic Membrane Bioreactor for Treating High-Salinity Oil Production Wastewater

open access: yesMembranes, 2022
The offshore oil extraction process generates copious amounts of high-salinity oil-bearing wastewater; at present, treating such wastewater in an efficient and low-consumption manner is a major challenge. In this study, a flat ceramic membrane bioreactor
Ronglin Sun, Yue Jin
doaj   +1 more source

The Isolation of Nitrosomonas europaea in Pure Culture [PDF]

open access: yesJournal of General Microbiology, 1950
SUMMARY: Nitrosomonas europaea (Winogradsky) was isolated in pure culture from Rothamsted soil. The method used entailed: (1) building up the population of nitrifiers in enrichment cultures; (2) removal of the cells from the chalk in an enriched culture with a stream of carbon dioxide; (3) picking colonies from poured silica gel plates.
openaire   +2 more sources

Cometabolism of Trihalomethanes by Nitrosomonas europaea [PDF]

open access: yesApplied and Environmental Microbiology, 2005
ABSTRACT The ammonia-oxidizing bacterium Nitrosomonas europaea (ATCC 19718) was shown to degrade low concentrations (50 to 800 μg/liter) of the four trihalomethanes (trichloromethane [TCM], or chloroform; bromodichloromethane [BDCM]; dibromochloromethane [DBCM]; and tribromomethane [TBM], or bromoform ...
David G, Wahman   +2 more
openaire   +2 more sources

Complete genome sequence of Nitrosomonas sp. Is79, an ammonia oxidizing bacterium adapted to low ammonium concentrations [PDF]

open access: yes
Nitrosomonas sp. Is79 is a chemolithoautotrophic ammonia-oxidizing bacterium that belongs to the family Nitrosomonadaceae within the phylum Proteobacteria.
Bruce, David   +34 more
core   +6 more sources

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