Search Results - "Bakken, Lars R"

Excessive use of nitrogen in Chinese agriculture results in high N₂O/(N₂O+N₂) product ratio of denitrification, primarily due to acidification of the soils by Qu, Zhi, Wang, Jingguo, Almøy, Trygve, Bakken, Lars R

“…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…”
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Regulation of denitrification at the cellular level: a clue to the understanding of N2O emissions from soils by Bakken, Lars R., Bergaust, Linda, Liu, Binbin, Frostegård, Åsa

“…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…”
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Sources and sinks for N2O, can microbiologist help to mitigate N2O emissions? by Bakken, Lars R., Frostegård, Åsa

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Strains in the genus Thauera exhibit remarkably different denitrification regulatory phenotypes by Liu, Binbin, Mao, Yuejian, Bergaust, Linda, Bakken, Lars R., Frostegård, Åsa

“…Summary Denitrifiers differ in how they handle the transition from oxic to anoxic respiration, with consequences for NO and N2O emissions. To enable stringent…”
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Denitrification Response Patterns during the Transition to Anoxic Respiration and Posttranscriptional Effects of Suboptimal pH on Nitrogen Oxide Reductase in Paracoccus denitrificans by Bergaust, Linda, Mao, Yuejian, Bakken, Lars R, Frostegård, Åsa

“…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),…”
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Linking meta-omics to the kinetics of denitrification intermediates reveals pH-dependent causes of N2O emissions and nitrite accumulation in soil by Frostegård, Åsa, Vick, Silas H. W., Lim, Natalie Y. N., Bakken, Lars R., Shapleigh, James P.

“…Soil pH is a key controller of denitrification. We analysed the metagenomics/transcriptomics and phenomics of two soils from a long-term liming experiment,…”
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Ammonia-oxidation as an engine to generate nitrous oxide in an intensively managed calcareous Fluvo-aquic soil by Huang, Tao, Gao, Bing, Hu, Xiao-Kang, Lu, Xing, Well, Reinhard, Christie, Peter, Bakken, Lars R., Ju, Xiao-Tang

“…We combine field observations, microcosm, stoichiometry and molecular and stable isotope techniques to quantify N 2 O generation processes in an intensively…”
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Transcriptional and metabolic regulation of denitrification in Paracoccus denitrificans allows low but significant activity of nitrous oxide reductase under oxic conditions by Qu, Zhi, Bakken, Lars R., Molstad, Lars, Frostegård, Åsa, Bergaust, Linda L.

“…Summary Oxygen is known to repress denitrification at the transcriptional and metabolic levels. It has been a common notion that nitrous oxide reductase (N2OR)…”
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Soil water extract and bacteriome determine N2O emission potential in soils by Highton, Matthew P., Bakken, Lars R., Dörsch, Peter, Tobias-Hunefeldt, Sven, Molstad, Lars, Morales, Sergio E.

“…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…”
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Transient Accumulation of NO2- and N2O during Denitrification Explained by Assuming Cell Diversification by Stochastic Transcription of Denitrification Genes by Hassan, Junaid, Qu, Zhi, Bergaust, Linda L, Bakken, Lars R

“…Denitrifying bacteria accumulate [Formula: see text], NO, and N2O, the amounts depending on transcriptional regulation of core denitrification genes in…”
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Modularity of nitrogen‐oxide reducing soil bacteria: linking phenotype to genotype by Roco, Constance A., Bergaust, Linda L., Bakken, Lars R., Yavitt, Joseph B., Shapleigh, James P.

“…Summary Model denitrifiers convert NO3− to N2, but it appears that a significant fraction of natural populations are truncated, conducting only one or two…”
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Determining how oxygen legacy affects trajectories of soil denitrifier community dynamics and N2O emissions by Sennett, Louise B., Roco, Constance A., Lim, Natalie Y. N., Yavitt, Joseph B., Dörsch, Peter, Bakken, Lars R., Shapleigh, James P., Frostegård, Åsa

“…Denitrification – a key process in the global nitrogen cycle and main source of the greenhouse gas N 2 O – is intricately controlled by O 2 . While the…”
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Suggested role of NosZ in preventing N2O inhibition of dissimilatory nitrite reduction to ammonium by Yoon, Sojung, Heo, Hokwan, Han, Heejoo, Song, Dong-Uk, Bakken, Lars R., Frostegård, Åsa, Yoon, Sukhwan

“…Climate change and nutrient pollution are among the most urgent environmental issues. Enhancing the abundance and/or the activity of beneficial organisms is an…”
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Phylogenetic and functional potential links pH and N2O emissions in pasture soils by Samad, Md Sainur, Biswas, Ambarish, Bakken, Lars R., Clough, Timothy J., de Klein, Cecile A. M., Richards, Karl G., Lanigan, Gary J., Morales, Sergio E.

“…Denitrification is mediated by microbial, and physicochemical, processes leading to nitrogen loss via N 2 O and N 2 emissions. Soil pH regulates the reduction…”
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Nitrous oxide respiring bacteria in biogas digestates for reduced agricultural emissions by Jonassen, Kjell Rune, Hagen, Live H., Vick, Silas H. W., Arntzen, Magnus Ø., Eijsink, Vincent G. H., Frostegård, Åsa, Lycus, Pawel, Molstad, Lars, Pope, Phillip B., Bakken, Lars R.

“…Inoculating agricultural soils with nitrous oxide respiring bacteria (NRB) can reduce N 2 O-emission, but would be impractical as a standalone operation. Here…”
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High-Resolution Denitrification Kinetics in Pasture Soils Link N2O Emissions to pH, and Denitrification to C Mineralization by Samad, Md Sainur, Bakken, Lars R, Nadeem, Shahid, Clough, Timothy J, de Klein, Cecile A M, Richards, Karl G, Lanigan, Gary J, Morales, Sergio E

“…Denitrification in pasture soils is mediated by microbial and physicochemical processes leading to nitrogen loss through the emission of N2O and N2. It is…”
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N2O product ratio of nitrification and its dependence on long-term changes in soil pH by Morkved, P.T, Dorsch, P, Bakken, L.R

“…The contribution of nitrification to the emission of nitrous oxide (N2O) from soils may be large, but its regulation is not well understood. The soil pH…”
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Time-resolved analysis of a denitrifying bacterial community revealed a core microbiome responsible for the anaerobic degradation of quinoline by Wang, Yun, Tian, Hao, Huang, Fei, Long, Wenmin, Zhang, Qianpeng, Wang, Jing, Zhu, Ying, Wu, Xiaogang, Chen, Guanzhou, Zhao, Liping, Bakken, Lars R., Frostegård, Åsa, Zhang, Xiaojun

“…Quinoline is biodegradable under anaerobic conditions, but information about the degradation kinetics and the involved microorganisms is scarce. Here, the…”
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Regulation of the Emissions of the Greenhouse Gas Nitrous Oxide by the Soybean Endosymbiont Bradyrhizobium diazoefficiens by Bueno, Emilio, Mania, Daniel, Mesa, Socorro, Bedmar, Eulogio J, Frostegård, Åsa, Bakken, Lars R, Delgado, María J

“…The greenhouse gas nitrous oxide (N O) has strong potential to drive climate change. Soils are a major source of N O, with microbial nitrification and…”
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A Dual Enrichment Strategy Provides Soil- and Digestate-Competent Nitrous Oxide-Respiring Bacteria for Mitigating Climate Forcing in Agriculture by Jonassen, Kjell Rune, Ormåsen, Ida, Duffner, Clara, Hvidsten, Torgeir R, Bakken, Lars R, Vick, Silas H W

“…Manipulating soil metabolism through heavy inoculation with microbes is feasible if organic wastes can be utilized as the substrate for growth and vector as a…”
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