Results 111 to 120 of about 5,332 (201)

Whole transcriptome analysis highlights nutrient limitation of nitrogen cycle bacteria in simulated microgravity

open access: yesnpj Microgravity
Regenerative life support systems (RLSS) will play a vital role in achieving self-sufficiency during long-distance space travel. Urine conversion into a liquid nitrate-based fertilizer is a key process in most RLSS.
Tom Verbeelen   +11 more
doaj   +1 more source

Meta-analysis reveals ammonia-oxidizing bacteria respond more strongly to nitrogen addition than ammonia-oxidizing archaea [PDF]

open access: yes, 2016
Shifts in microbial communities driven by anthropogenic nitrogen (N) addition have broad-scale ecological consequences. However, responses of microbial groups to exogenous N supply vary considerably across studies, hindering efforts to predict community ...
Aronson, Emma L   +4 more
core   +1 more source

Effect of different salt adaptation strategies on the microbial diversity, activity, and settling of nitrifying sludge in sequencing batch reactors [PDF]

open access: yes, 2011
The effect of salinity on the activity of nitrifying bacteria, floc characteristics, and microbial community structure accessed by fluorescent in situ hybridization and polymerase chain reaction–denaturing gradient gel electrophoresis techniques was ...
Bassin, J.P. (author)   +5 more
core   +1 more source

Valorizing olive oil by-products as sustainable biological nitrification inhibitors: phenolic profiling, in vitro activity against Nitrosomonas europaea, and biodegradability assessment

open access: yesChemical and Biological Technologies in Agriculture
Background The valorization of agro-industrial by-products is a key strategy for promoting sustainable agriculture and minimizing environmental impacts.
Adrián Hernández Fernández   +5 more
doaj   +1 more source

Phylogenetic and functional marker genes to study ammonia-oxidizing microorganisms (AOM) in the environment [PDF]

open access: yes, 2018
The oxidation of ammonia plays a significant role in the transformation of fixed nitrogen in the global nitrogen cycle. Autotrophic ammonia oxidation is known in three groups of microorganisms.
Dorador, Cristina   +7 more
core  

Nitrous oxide distribution and its origin in the central and eastern South Pacific Subtropical Gyre [PDF]

open access: yes, 2007
The mechanisms of microbial nitrous oxide (N<sub>2</sub>O) production in the ocean have been the subject of many discussions in recent years.
J. Charpentier   +4 more
core   +2 more sources

Polygenic analysis of ammonia-oxidizing bacteria using 16S rDNA, amoA, and amoB genes [PDF]

open access: yes, 2010
Finding a unique molecular marker capable of quickly providing rigorous and useful phylogenetic information would facilitate assessing the diversity of ammonia-oxidizing bacteria in environmental samples.
José-Luis García-Marín   +3 more
core   +1 more source

High cell density cultivation of the chemolithoautotrophic bacterium Nitrosomonas europaea [PDF]

open access: yes, 2018
Fekete, Erzsébet   +5 more
core   +1 more source

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