Results 81 to 90 of about 16,023 (231)

Draft Genome of Scalindua rubra, Obtained from the Interface Above the Discovery Deep Brine in the Red Sea, Sheds Light on Potential Salt Adaptation Strategies in Anammox Bacteria [PDF]

open access: yes, 2017
Several recent studies have indicated that members of the phylum Planctomycetes are abundantly present at the brine-seawater interface (BSI) above multiple brine pools in the Red Sea.
Dutilh, Bas E.   +5 more
core   +6 more sources

Seasonal nitrate drawdown transitions lake ecosystems from phosphorus to nitrogen deficiency in annual cycles

open access: yesLimnology and Oceanography, Volume 71, Issue 4, April 2026.
Abstract Phytoplankton biomass is often limited by nitrogen (N) and/or phosphorus (P). Quantifying the relative availability of N and P in an ecosystem is useful in indicating nutrient limitation status. In subtropical lakes, nitrate availability generally follows a seasonal pattern with maxima in the late winter/early spring and minima in late summer ...
Jasmine K. Stovall   +6 more
wiley   +1 more source

Shortcut biological nitrogen removal (SBNR) in microbial fuel cells (MFCs) [PDF]

open access: yes, 2017
Microbial Fuel Cells (MFCs) represent nowadays a promising technology for the treatment of industrial wastewater. In this work the Shortcut Nitritation/Denitritation process in H-type MFC was investigated.
Bavasso, Irene   +3 more
core   +1 more source

Recirculated submarine groundwater discharge dominates nutrient inputs and enhances eutrophication risk in a coastal lagoon

open access: yesLimnology and Oceanography, Volume 71, Issue 4, April 2026.
Abstract Submarine groundwater discharge (SGD) is a widely recognized pathway for nutrient transport to coastal systems. Prior studies overlook the unique biogeochemical signatures of different SGD pathways, neglecting their differences in biogeochemical transformations and spatiotemporal factors.
Júlia Rodriguez‐Puig   +14 more
wiley   +1 more source

Physiological function and catalytic versatility of bacterial multihaem cytochromescinvolved in nitrogen and sulfur cycling [PDF]

open access: yes, 2011
Bacterial MCCs (multihaem cytochromes c) represent widespread respiratory electron-transfer proteins. In addition, some of them convert substrates such as nitrite, hydroxylamine, nitric oxide, hydrazine, sulfite, thiosulfate or hydrogen peroxide. In many
Arslan   +54 more
core   +1 more source

Kinetics of sulfate‐ and iron‐dependent anaerobic methane oxidation in freshwater lake sediment

open access: yesLimnology and Oceanography, Volume 71, Issue 4, April 2026.
Abstract Anaerobic oxidation of methane (AOM) is a potentially important sink for methane in freshwater sediments. Assessing the contribution of AOM to methane budgets requires an understanding of AOM process kinetics, yet such information remains scarce.
Alina Mostovaya   +2 more
wiley   +1 more source

Technology and research progress of Anammox bacteria immobilization

open access: yesGongye shui chuli
The Anammox technology has great application value in the treatment of wastewater with high ammonia-nitrogen and low carbon nitrogen ratio as its low energy consumption and high nitrogen removal efficiency.
LUO Jiaxin   +3 more
doaj   +1 more source

Diversity and spatial distribution of hydrazine oxidoreductase (hzo) gene in the oxygen minimum zone off Costa Rica. [PDF]

open access: yesPLoS ONE, 2013
Anaerobic ammonia oxidation (anammox) as an important nitrogen loss pathway has been reported in marine oxygen minimum zones (OMZs), but the community composition and spatial distribution of anammox bacteria in the eastern tropical North Pacific (ETNP ...
Liangliang Kong   +4 more
doaj   +1 more source

Dynamic simulation of N2O emissions from a full-scale partial nitritation reactor

open access: yes, 2019
This study deals with the potential and the limitations of dynamic models for describing and predicting nitrous oxide (N2O) emissions associated with biological nitrogen removal from wastewater.
Mampaey, Kris   +3 more
core   +3 more sources

Microbial community shifts on an anammox reactor after a temperature shock using 454-pyrosequencing analysis [PDF]

open access: yes, 2015
To explore the changes in the microbial community structure during the recovery process of an anammox reactor after a temperature shock, the 454-pyrosequencing technique was used. The temperature shock reduced the nitrogen removal rate up to 92% compared
Carrera, Julian   +5 more
core   +2 more sources

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