Search Results - "Bakken, Lars"
-
1
Impaired reduction of N2O to N2 in acid soils is due to a posttranscriptional interference with the expression of nosZ
Published in mBio (24-06-2014)“…Accumulating empirical evidence over the last 60 years has shown that the reduction of N2O to N2 is impaired by low soil pH, suggesting that liming of acid…”
Get full text
Journal Article -
2
Excessive use of nitrogen in Chinese agriculture results in high N₂O/(N₂O+N₂) product ratio of denitrification, primarily due to acidification of the soils
Published in Global change biology (01-05-2014)“…China is the world's largest producer and consumer of fertilizer N, and decades of overuse has caused nitrate leaching and possibly soil acidification. We…”
Get full text
Journal Article -
3
Regulation of denitrification at the cellular level: a clue to the understanding of N2O emissions from soils
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (05-05-2012)“…Denitrifying prokaryotes use NOx as terminal electron acceptors in response to oxygen depletion. The process emits a mixture of NO, N2O and N2, depending on…”
Get full text
Journal Article -
4
Sources and sinks for N2O, can microbiologist help to mitigate N2O emissions?
Published in Environmental microbiology (01-12-2017)Get full text
Journal Article -
5
Kinetics of NH3‐oxidation, NO‐turnover, N2O‐production and electron flow during oxygen depletion in model bacterial and archaeal ammonia oxidisers
Published in Environmental microbiology (01-12-2017)“…Summary Ammonia oxidising bacteria (AOB) are thought to emit more nitrous oxide (N2O) than ammonia oxidising archaea (AOA), due to their higher N2O yield under…”
Get full text
Journal Article -
6
Emerging options for mitigating N2O emissions from food production by manipulating the soil microbiota
Published in Current opinion in environmental sustainability (01-12-2020)“…Improved understanding of the microbes producing and reducing N2O spurs the invention of direct and manipulative methods to reduce N2O emissions, beyond that…”
Get full text
Journal Article -
7
Strains in the genus Thauera exhibit remarkably different denitrification regulatory phenotypes
Published in Environmental microbiology (01-10-2013)“…Summary Denitrifiers differ in how they handle the transition from oxic to anoxic respiration, with consequences for NO and N2O emissions. To enable stringent…”
Get full text
Journal Article -
8
Denitrification Response Patterns during the Transition to Anoxic Respiration and Posttranscriptional Effects of Suboptimal pH on Nitrogen Oxide Reductase in Paracoccus denitrificans
Published in Applied and Environmental Microbiology (01-10-2010)“…Denitrification in soil is a major source of atmospheric N₂O. Soil pH appears to exert a strong control on the N₂O/N₂ product ratio (high ratios at low pH),…”
Get full text
Journal Article -
9
Phenotypic and genotypic richness of denitrifiers revealed by a novel isolation strategy
Published in The ISME Journal (01-10-2017)“…Present-day knowledge on the regulatory biology of denitrification is based on studies of selected model organisms. These show large variations in their…”
Get full text
Journal Article -
10
Linking meta-omics to the kinetics of denitrification intermediates reveals pH-dependent causes of N2O emissions and nitrite accumulation in soil
Published in The ISME Journal (01-01-2022)“…Soil pH is a key controller of denitrification. We analysed the metagenomics/transcriptomics and phenomics of two soils from a long-term liming experiment,…”
Get full text
Journal Article -
11
Denitrification by Bradyrhizobia under Feast and Famine and the Role of the bc1 Complex in Securing Electrons for N 2 O Reduction
Published in Applied and environmental microbiology (28-02-2023)“…Rhizobia living as microsymbionts inside nodules have stable access to carbon substrates, but also must survive as free-living bacteria in soil where they are…”
Get full text
Journal Article -
12
Autoxidation and acetylene-accelerated oxidation of NO in a 2-phase system: Implications for the expression of denitrification in ex situ experiments
Published in Soil biology & biochemistry (01-02-2013)“…Nitric oxide (NO) is known to induce denitrification in model organisms, but the quantitative effect of NO and its concentration dependency has not been…”
Get full text
Journal Article -
13
Denitrification as an N2O sink
Published in Water research (Oxford) (15-03-2019)“…The strong greenhouse gas nitrous oxide (N2O) can be emitted from wastewater treatment systems as a byproduct of ammonium oxidation and as the last…”
Get full text
Journal Article -
14
Plasma Activated Organic Fertilizer
Published in Plasma chemistry and plasma processing (01-01-2019)“…Improved utilization of organic waste for fertilizer has significant worldwide economic and ecological potential and the use of plasma can help unlock this…”
Get full text
Journal Article -
15
Soil water extract and bacteriome determine N2O emission potential in soils
Published in Biology and fertility of soils (01-02-2023)“…Soil chemical properties and microbiome composition impact N 2 O emission potential, but the relative importance of these factors as determinants of N 2 O…”
Get full text
Journal Article -
16
High-Resolution Denitrification Kinetics in Pasture Soils Link N2O Emissions to pH, and Denitrification to C Mineralization
Published in PloS one (18-03-2016)“…Denitrification in pasture soils is mediated by microbial and physicochemical processes leading to nitrogen loss through the emission of N2O and N2. It is…”
Get full text
Journal Article -
17
Ammonia-oxidation as an engine to generate nitrous oxide in an intensively managed calcareous Fluvo-aquic soil
Published in Scientific reports (04-02-2014)“…We combine field observations, microcosm, stoichiometry and molecular and stable isotope techniques to quantify N 2 O generation processes in an intensively…”
Get full text
Journal Article -
18
Transcriptional and metabolic regulation of denitrification in Paracoccus denitrificans allows low but significant activity of nitrous oxide reductase under oxic conditions
Published in Environmental microbiology (01-09-2016)“…Summary Oxygen is known to repress denitrification at the transcriptional and metabolic levels. It has been a common notion that nitrous oxide reductase (N2OR)…”
Get full text
Journal Article -
19
Unlocking bacterial potential to reduce farmland N2O emissions
Published in Nature (London) (29-05-2024)“…Farmed soils contribute substantially to global warming by emitting N 2 O (ref. 1 ), and mitigation has proved difficult 2 . Several microbial nitrogen…”
Get full text
Journal Article -
20
Modularity of nitrogen‐oxide reducing soil bacteria: linking phenotype to genotype
Published in Environmental microbiology (01-06-2017)“…Summary Model denitrifiers convert NO3− to N2, but it appears that a significant fraction of natural populations are truncated, conducting only one or two…”
Get full text
Journal Article