Nadeem S, Bakken LR, Frostegård Å, Gaby JC, Dörsch P (2020) Contingent effects of liming on N2O-emissions drived by autotrophic nitrification. Frontiers in Environmental Science 8:598513
Frostegård Å, Vick SHW, Lim NYN, Bakken LR, Shapleigh JP (2020) Linking meta-omics to the kinetics of denitrification intermediates reveals pH-dependent causes of N2O emissions and nitrite accumulation in soil. BiorXiv doi: 10.110/2020.11.26.399899
Jonassen KJ, Hagen LH, Vick SHW, Arntzen MØ, Eijsink V, Frostegård Å, Lycus P, Molstad L, Pope PB, Bakken LR (2020) Bacteria in biogas digestates for reduced climate forcing BiorXiv doil: 10.1101/11.16.384990
Bakken LR, Frostegård Å (2020) Emerging options for mitigating N2O emission from food production by manipulating the soil microbiota. Current Opinion in Environmental Sustainability 47:89-94
Highton MP, Bakken LR, Dörsch P, Wakelin S, deKlein C, Molstad L, Morales SE (2020) Soil Biology and Biochemistry 150
Liu B, Zhang X, Bakken LR, Snipen L, Frostegård Å (2020) Rapid succession of actively transcribing denitrifier populations in agricultural soils during an anoxic spell (2020) Frontiers in Microbiology 9:3209
Keuschnig C, Gorfer M, Mania D, Frostegård Å, Bakken LR, Larose C (2020) NO and N2O transformations of diverse fungi in hypoxia: evidence for anaerobic respiration only in Fusarium strains. Environmental Microbiology
Gao Y, Mania D, Mousavi SA, Lycus P, Arntzen MO, Lindstrøm K, Shapleigh JP, Bakken LR, Frostegård Å (2020) BioXriv
Svennevik OK, Jonassen KR, Svensson K, Hagen L, Westereng B. Solheim OE, Nilsen PJ, Horn SJ, Bakken LR (2010) Protecting thermally hydrolyzed biosolids from pathogenic bacterial growth by addition of compost. Waste and Biomass Valorization
Nadeem S, Bakken LR, Frostegård Å, Gaby JC, Dörsch P (2020) Contingent effects of liming on N2O-emissions driven by autotrophic nitrification. Frontiers in Environmental Science
Mania D, K Wolly, T Degefu, Å Frostegård (2019) A common mechanism for efficient N2O reduction in diverse isolates of nodule-forming bradyrhizobia. Env Microbiol 2019 online doi 10.1111/1462-2920.14731
Tzanakakis VA, Taylor AE, Bakken LR, Bottomley PJ, Myrold DD, Dörsch P (2019) Relative activity of ammonia oxidizing archaea and bacteria determine nitrification-dependent N2O emissions from Oregon forest soils. Soil Biol Biochem. 139
Russenes A, Korsæth A, Bakken LR, Dörsch P (2019) Effects of split application on seasonal N2O emissions in sout east Norway. Nutr Cycl In Agroecosyst 115:41-56
Cavicchioli R, Ripple WJ, Timmis KN, Bakken LR et al (2019) Scientists warning to humanity: microorganisms and climate change. Nat Rev Microbiol 17:569-586.
Helsten S, Dalgard T, Rankinen K, Tørseth K, Bakken LR et al (2019) Abating N in Nordic agriculture- Policy measures and way forward J Env Managem 236:674-686
Conte M, Lycus P, Arntzen MØ, daSilva AR, Frostegård Å, Bakken LR (2019) Denitrification as an N2O sink. Water Research 151:381-387.
Graves DB, Bakken LR, Jensen M, Ingels R (2019) Plasma activated Organic fertilizers. Plasma Chemistry and Plasma Processing, 39:1-19
Torregrossa-Crespo J, Pire C, Martinez-Espinosa RM, Bergaust L (2018) Denitrifying haloarchaea within the genus Haloferax display divergent respiraotory phenotypes, with implications for their release of nitrogenous gases. Environmental Microbiology 21:427-436
Roco CA, Dörsch P. Booth JG, et al (2019) Using metagenomics to reveal landscape scale patterns of denitrifiers in a montane forest ecosystem. Soil Biol Biochem 107585
Raji SG, Tzanakais V, Dörsch P (2019) Bradyrhizobial inocculation and P application effects on haricot and mung beans in the Ethiopian Rift Valley. Plant and Soil 442:271-284.
Weldon S, Rasse DP, Budai A, Tomic O, Dörsch P (2109) The effect of biochar temperature series on denitrification: which biochar properties matter? Soil Biol Biochem 135: 173-183 .
Yu L, Zhu J, Zhang X, Wang Z, Dörsch P (2109) Humid subtropical forestes constitute a net methane source: a catchment scale study. J Geophysical Res Biogeosciences
Yu L, Mulder J, Zhu J, Zhang X, Wang Z, Dörsch P (2019) Denitrification as a major regional nitrogen sink in subtropical forest catchments: evidence from multi-site dual nitrate isotopes. Global Change Biol 25:1765-1778.
Schlüter S, Zawallich J, Vogel HJ, Dörsch P (2019) Physical constraints for respiration in microbial hotspots in soil and their importance for denitrification. Biogeoscience discuss
Lycus P, Soriana-Laguna, Kjos M, Richardson DJ, Gates AJ, Milligan DA, Frostegård Å, Bergaust L, Bakken LR (2018) A bet-hedging strategy for denitrifying bacteria curtails their release of N2O. PNAS doi/10.1073/pnas.1805000115
Liu B, Zhang X, Bakken LR, Snipen L, Frostegård Å (2018) Rapid succession of actively transcribing denitrifier populations in agricultural soil during an anoxic spell. Frontiers in Microbiology doi: 10.3389/fmicb.2018.03208
Lim NY, Frostegård Å, Bakken LR (2018) Nitrite kinteics during anoxia: The role of abiotic reactions versus microbial reduction. Soil Biology and Biochemistry 119:203-209
Zhu J, Yu L, Bakken LR, Mørkved PT, Dörsch P (2018) Controlled induction of denitrification in Pseudomonas aureofaciens: A simplified denitrifier method for dual isotope analysis in NO3-. Science of the Total Env 633:1370-1378
Sclüter S, Henjes S, Zawallich J, Bergaust L, Horn M, Ippish O, Vogel HJ, Dörsch P (2018) Denitrification in soil aggregate analogues - effect of aggregate size and oxygen diffusion. Frontiers in Environmental Science 6:17 doi: 10.3389/fenvs.2018.00017
Torregrossa-Crespo J, Bergaust L, Pire C, Martinez-Espinosa RM (2017) Denitrifying haloarchaea: sources and sinks of nitrogenous gases FEMS Microbiology Letters 365: fnx270 doi: 10.1093/femsle/fnx270
Bakken LR, Frostegård Å (2017) Sources and sinks for N2O, can microbiologists help to mitigate N2O emissions? Environmental Microbiology 19: 4801-4805. doi 10.1111/1462-2920.13978.
Hink L, Lycus P, Gubry-Rangin C. Frostegård A, Nicol G, Prosser J, Bakken LR (2017) Kinetics of NH3 oxidation, NO-turnover, N2O-production and electron flow during oxygen depletion in model bacterial and archaeal ammonia oxidizers. Environmental Microbiology doi 10.1111/1462-2920.13914
Lycus P, Bøthun KL, Bergaust L, Shapleigh JP, Bakken LR, Frostegård Å (2017) Phenotypic and genotypic richness of denitrifiers revealed by a novel isolation strategy. The ISME Journal. 11:2219-2232.
Wang Y, Tian H, Huang F, Long W, Zhang Q, Wang J, Zhu Y, Wu X, Chen G, Zhao L, Bakken LR, Frostegård Å, Zhang X (2017) Time resolved analysis of a denitrifying bacterial community revealed a core microbiome responsible for the anaerobic degradation of quinoline. Scientific reports 7:14778 doi:10.1038/s41598-017-15122-0
Zhu Y, Zhang X, Wu X, Chen G, Bakken LR, Zhao L, Frostegård Å, Zhang X (2017) Carbon-driven enrichment of the crucial nitrate reducing bacteria in limed peat soil microcosms. Letters in Applied Microbiology 65 (2) doi: 10.1111/lam.12756
Behrendt T, Braker G, Song G, Pommerenke B, Dörsch P (2017) Nitric oxide emission response to soil moisture is linked to transcriptional activity of functional groups. Soil Biol Biochem 115:337-345
Clough TJ, Lanigan GL, deKlein C, Samad S, Morales SE, Rex D, Bakken LR, Johns C, Condron LM, Richares KG (2017) Influece of soil moisture on codenitrification fluxes from urea-affected pasture soils. Scientific Reports 7:2185
Degefu T, Wolde-meskel E, Woliy K, Frostegård Å (2017) Phylogenetically diverse groups of Bradyrhizobium isolated from nodules of tree and annual legume species growing in Ethiopia. Systematic and Applied Microbiology 40:205-214.
Kang R, Mulder J, Dörsch P (2017) Modified method for trapping and analyzing 15N in NO released from soils. Anal. Chem 89:4124-4130 DOI: 10.1021/acs.analchem.6b05096
Yu L, Kang R, Mulder J, Zhu J, Dörsch P (2017) Distinct fates of atmogenic NH4+ and NO3- in subtropical, N-saturated forest soils. Biogeochemistry 133:279-294
Tzanakakis V, Sturite L, Dörsch P (2017) Biological nitrogen fixation and transfer in a high latitude grass-clover grassland under different management practices. Plant and soil 421:1-2
Zurovec O, Sitaula BK, Custovic H, Zurovec J, Dörsch P (2017): Effect of tillage practice on soil structure, N2O emissions and economics in cereal production under current socioeconomic conditions in central Bosnia and Herzegovina. PloS one 12(11):e0187681
Yu L, Wang Y, Zhang Z, Dörsch P (2017) Phosphorous addition mitigates N2O and CH4 emissions in N-saturated subtropical forest, SW China. Biogeociences 14:3097-3109.
Kang R, Mulder J, Dörsch P (2017) Modified method for trapping and analyzing 15N in NO released from soils. Analytical Chemistry 89:4124-4130.
Roco CA, Bergaust L. Bakken LR, Yavitt J, Shapleigh J (2017) Modularity of denitrifying soil bacteria: linking phenotype to genotype. Environmental Microbiology, 19:2507-2519 , doi: 10.1111/1462-2920.13250
Molstad L, Dörsch P, Bakken LR (2016) Improved robotized incubation system for gas kinetics in batch cultures. Researchgate, DOI: 1013140/RG.2.230688.07680
Lim NYN, Roco AC, Frostegård Å (2016). Transparent DNA/RNA co-extraction workflow protocol suitable for inhibitor-rich environmental samples that focuses on complete DNA removal for transcriptomic analyses. Frontiers in Microbiology 7:1588. doi: 10.3389/fmicb.2016.01588.
Todt D, Dörsch P (2016) Mechanisms leading to N2O production in wastewater treating biofilm systems. Rev. Envion Sci Biotechnol, online, doi 10.1007/s11157-016-9401-2.
Yu L, Zhu J, Mulder J, Dörsch P (2016) Multiyear dual isotope signatures suggest that N-saturated subtropical foreseted catchments can act as robust N sinks. Gobal Change Biology
Nesme J, Achouak W, Atathos SN, Bailey M, Baldrian P, Brunel D, Frostegård Å.. Vogel T, Simonet P (2016) Back to the future of Soil Metagenomics. Opinion article Front. Microbiol. 10
Russenes AL, Korsæth A, Bakken LR, Dörsch P (2016) Spatial variation in soil pH controls the off-season N2O emissions in an an agricultural soil. Soil Biol Biochem 99:36-46
Samad MS, Bakken LR, Nadeem S. Clough TJ, deKlein CAM, Richards KG, Lanigan GJ, Morales SE (2016) High resolution denitrification kinetics in pasture soils link N2O emission to pH, and denitrification to C mineralization. PLOSone 11(3): e0151713
Wang J, Vine CE, Balasiny BK, Rizk J, Bradley CL, Tinajero M, Poole RK, Bergaust L, Bakken LR, Cole J (2016) The roles of the hybrid cluster protein, Hcp, and its reductase, Hcr, in high affinity nitric oxide reduction that protects anaerobic cultures of Escherichia coli against nitrosative stress. Molecular Microbiology 100:877-892; doi 10.1111/mmi.13356
Hassan J, Bergaust L, Molstad L, deVries S, Bakken LR (2016) Homeostatic control of NO at nanomolar concentrations in denitrifying bacteria - modelling and in vivo experimental determination of nitric oxide reductase kinetics in the model organism Paracoccus denitrificans. Environmental Microbiology DOI 10.1111/1462-2920.13129
Mania D, Heylen K, van Spanning RJM, Frostegård Å (2016). Regulation of nitrogen metabolism in the nitrate-ammonifying soil bacterium Bacillus vireti and evidence for its ability to grow using N2O as electron acceptor. Environ Microbiol 18: 2937-2950. DOI: 10.1111/1462-2920.13124.
Hassan J, Bergaust L, Qu Z, Bakken LR (2015) Transient accumulation of NO2- and N2O during denitrification explained by assuming cell diversification by stochastic transcription of denitrification genes. PLOS Computational Biology. DOI: 10.1371/journal.pcbi.1004621
Qu Z, Bakken LR, Frostegård Å, Bergaust L (2016) Transcriptional and metabolic regulation of denitrification in Paracoccus denitrificansallows low but significant activity of nitrous oxide reductase under oxic conditions. Environmental Microbiology DOI 10.1111/1462-2920.13128
Qu Z, Bakken LR, Frostegård Å, Bergaust L (2016) Transcriptional and metabolic regulation of denitrification in Paracoccus denitrificans allows low but significant activity of nitrous oxide reductase under oxic conditions. Environmental Microbiology DOI 10.1111/1462-2920.13128
Bueno E, Mania D, Frostegård Å, Bedmar E, Bakken LR, Delgado MJ (2015) Anoxic growth of Ensifer meliloti 1021 by N2O reduction, a potential mitigation strategy. Frontiers in Microbiology 1(6)
Bakken LR, Frostegård Å, Dörsch P (2015) A critique of Jones et al 2014, Nature Climate Change ResearchGate DOI: 10.13140/RG.2.1.1338.3847
Raut N, Sitaula BK, Bakken LR, Bajracharya RM, Dörsch P (2015). Higher N2O emission by intensified Crop Production in South Asia. Global Ecology and Conservation 4, 176-184
Todt D, Dörsch P (2015). Nitrous oxide emissions in a biofilm loaded with different mixtures of concentrated household wastewater. Int. J. Environ. Sci. Technol. DOI 10.1007/s13762-015-0778-1
Obia A, Cornelissen G, Mulder J, Dörsch P (2015) Effect of Soil pH Increase by Biochar on NO, N2O and N2 Production during Denitrification in Acid Soils. PLoS ONE 10(9): e0138781. doi:10.1371/journal.pone.0138781
Hansen S, Bernard ME, Rochette P, Whalen JK, Dörsch P (2014) Nitrous oxide emissions from fertile grassland in Western Norway following the application of inorganic fertilizers. Nutr Cycl Agroecosyst 98:71-85. DOI 10.1007/s10705-014-9597-x
Nadeem S, Børresen T, Dörsch P (2014) Effect of fertilization rate and ploughing time on nitrous oxide emissions in a long term cereal trial in south east Norway. Biol Fertil Soils 51:353-365 DOI 10.1007/s00374-014-0979-7
Hassan J, Bergaust L, Wheat D, Bakken LR (2014) Low probability of initiating the nirS transcription explains the observed gas kinetics and growth of bacteria switching from aerobic respiration to denitrification. PLOS Comp Biol Doi:10.1371/journal.pcpi.1003933)
Raut N, Sitaula BK, Bakken LR, Dörsch P (2014) Fluxes of CH4, N2O and kinetics of denitrification in disturbed and undisturbed forest soil in India. Can J Soil Sci 94:237-249 (online)
Liu B, Frostegård Å, Bakken LR (2014) Impaired reduction of N2O to N2 in acid soil is due to a post transcriptional intereference with the expression of nosZ. mBio 5(3): e01383-14. doi:10.1128/mBio.01383-14.
Mania D, Heylen K, vanSpanning R, Frostegård Å (2014) The nitrate-ammonifying and nosZ carrying bacterium Bacillus vireti is a potent source and sink for nitric and nitrous oxide under high nitrate conditions. Environmental Microbiology 16:3196-3210
Luckmann M, Mania D. Kern M, Bakken LR, Frostegård Å, Simon J (2014) Production and consumption of nitrous oxide in nitrate-ammonifying Wolinella succinogenes. Microbiology 160:1749-1759 (available online)
Qu Z, Wang J, Almøy T, Bakken LR (2014) Excessive use of nitrogen in Chinese agriculture results in high N2O/(N2O+N2) product ratio of denitrification, primarily due to acidification of the soils. Global Change Biology 20:1685-1698
Bergaust L, Hartsock A, Liu B, Bakken LR, Shapleigh JP (2014) The role of norEF in denitrification, elucidated by phyiological experiments with Rhodobacter sphaeroides. J Bacteriology 196:2190-2200 doi 10.1128/JB.00003-4 o
Huang T, Gao B, Hu XK Lu X, Well R, Christie P Bakken LR Ju XT (2014) Ammonia oxidation as an engine to generate nitrous oxide in an intensively managed calcareous Fluvo-aquic soil. Scientific Reports 4: articcle nr 3950 (DOI: 10-1038/srep03950)
Zhu J, Mulder J, Bakken LR, Dörsch P (2013) The importance of denitrification for N2O emissions from an N-saturated forest in SW China: results from in situ N15 labelling experiments. Biogeochemistry 116:103-117.
Nadeem S, Almaas A, Dörsch P, Bakken LR (2013) Sequential extraction of denitrifying organisms from soils; strongly attached cells produce less N2O than loosely attached cells. Soil Biology and Biochemistry 67: 62-69. http://dx.doi.org/10.1016/j.soilbio.2013.08.007
Stern A, Liu B, Bakken LR, Shapleigh J, and Zhu J (2013) A novel protein protects bacterial iron-dependent metabolism from nitric oxide. Journal of Bacteriology 195:4702-8 (doi: 10.1128/JB.00836-13)
Degefu T., Wolde-meskel E. and Frostegård Å. (2013) Phylogenetic diversity of Rhizobium strains nodulating diverse legume species growing in Ethiopia, Syst. Appl. Microbiol. 36:272-280 (on line)
Abera G, Wolde-Meskel E, Bakken LR (2013) Unexpected high decomposition of legume residues in dry season soils from tropical coffee plantations and crop lands. Agr. for Sustainable development 34:667-676 DOI: 10.1007/s13593-013-0172-7
Abera G, Wolde-Meskel E, Bakken LR (2013) Effect of organic residue amendments and soil moisture on N mineralization, maize (Zea maysL) dry biomass and nutrient concentration. Arch Agron Soil Sci 59:1263-1277.
Liu B., Mao Y., Bergaust L., Bakken LR and Frostegård Å (2013) Strains in the genus Thauera exhibit remarkably different denitrification regulatory phenotypes. Environmental Microbiology 15:2916-2928. doi:10.1111/1462-2920.12142
J. Zhu, J. Mulder, L. P. Wu, X. X. Meng, Y. H. Wang, and P. Dörsch (2012) Spatial and temporal variability of N2O emissions in a subtropical forest catchment in China. Biogeosciences, 10, 1309–1321 download PDF
Liu B., Frostegård Å. and Shapleigh JP. (2013) Draft genome sequences of five strains in the genus Thauera. Genome Announcements 01/2013; 1(1) DOI: 10.1128/genomeA00052-12.
Degefu T., Wolde-meskel E., Liu B., Cleenwerck I., Willems A. and Frostegård Å. (2012) Mesorhizobium shonense sp. nov., Mesorhizobium hawassense sp. nov. and Mesorhizobium abyssinicae sp. nov. isolated from root nodules of different agroforestry legume trees growing in southern Ethiopia. International Journal of Systematic and Evolutionary Microbiology 63:1746-1753 download PDF
Nadeem S, Dörsch P, Bakken L (2013) The significance of early accumulation of nanomolar concentrations of NO as an inducer of denitrification. FEMS Microbial Ecology 83, 672-684 (early view)
Raut N, Dörsch P, Sitaula BK, Bakken LR (2013) Soil acidification by intensified crop production in South East Asia results in higher N2O/(N2 +N2O) product ratio of denitrification. Soil Biology and Biochemistry 55, 104-1012 (download pdf)
Nadeem S, Dörsch P, Bakken LR (2013) Autoxidation and acetylene-accellerated oxidation of NO in a 2-phase system: Implications for the expression of denitrification in ex situ experiments. Soil Biology and Biochemistry 57:606-614
Zhu J, Mulder J, Wu L, Meng X, Wang Y, Dörsch P (2012) Spatial and temporal variability of N2O emissions in a subtropical forest catchment in China. Biogeosciences Discuss., 9, 14945-14980
KampschreurM, Kleerebezem R, Picioreanu, Bakken LR, Bergaust L, deVries S, Jetten M, vanLoosdrecht MCM (2012) Metabolic modeling of denitrification in Agrobacterium tumefaciens: a tool to study inhibiting and activating compounds for the denitrification pathway. Frontiers in Microbiology. doi: 10.3389/fmicb.2012.00370
Nadeem S, Hansen S, Bleken M, Dörsch P (2012) N2O emission from organic barley cultivation as affected by green manure treatment. Biogeosciences 9, 2747-2759
Zhu J, Mulder J, Solheimslid S, Dörsch P (2012) Functional traits of denitrification in a subtropical forest catchment in China with high atmogenic N deposition. Soil Biology and Biochemistry, accepted
Degefu T., Wolde-meskel E. and Frostegård Å. (2012) Phylogenetic analyses of multilocus sequences identify seven novel Ensifer genospecies isolated from less explored biogeographical region in East Africa. International Journal of Systematic and Evolutionary Microbiology download PDF
Zhang X, Nesme, J, Simonet P and Frostegård Å. (2012) Fate of invading bacteria in soil and survival of transformants after simulated uptake of transgenes, as evaluated by a model system based on lindane degradation. Research in Microbiology Pasteur download PDF
Bakken LR, Bergaust L, Liu B, Frostegård Å (2012) Regulation of denitrification at the cellular level – a clue to understanding of N2O emissions from soils. Royal Soc London B (2012) download PDF
Bergaust L, van Spanning R, Frostegård Å, Bakken LR (2012) Expression of nitrous oxide reductase in Paracoccus denitrificans is regulated by oxygen and nitric oxide through FnrP and NNR. Microbiology 158:826-834. download pdf
Borgen SK, Lunde HW, Bakken LR, Bleken M, Breland TA (2012) Nitrogen dynamics in stockless organic clover-grass and ceral rotations. Nutrient Cycling in Agroecosystems 92:363-378
Senbayram M, Chen R, Budai A, Bakken LR, Dittert K (2012) N2O emission and the N2O/(N2O+N2) product ratio of denitrification as controlled by available carbon substrates and nitrate concentrations. Agriculture Ecosystems and Environment 147:4-12.
Dörsch P, Braker G, Bakken L (2012) Community-speciﬁc pH response of denitriﬁcation: experiments with cells extracted from organic soils. FEMS Microbiol Ecol 79 (2012) 530–541, doi: 10.1111/j.1574-6941.2011.01233.x download PDF
Braker G, Dörsch P, Bakken L (2011) Genetic characterization of denitriﬁer communities with contrasting intrinsic functional traits. FEMS Microbiol Ecol 79 (2012) 542–554, doi: 10.1111/j.1574-6941.2011.01237.x download PDF
Bakken LR, Marsteng AK, Nadeem S (2012) Emissions of N2O, CH4 and CO2 from VEAS waste water treatment plant. Report to VEAS
Bergaust L, Bakken LR, Frostegard A (2011) Denitrification Regulatory Phenotype, a new term for the characterization of denitrifying bacteria. Biochem. Soc Trans 39:207-212 doi:10.1042/BST0390207 download PDF
Degefu, Wolde-meskel E, Frostegård (2011) Multilocus sequence analyses reveal several unnamed Mesorhizobium genospecies nodulating Acacia species and Sesbania sesban trees in Souther nregionsof Ethiopia,Syst Appl Microbiol, doi:10.1016/j.syapm.2010.09.006 download PDF
Frostegård, Å., Tunlid, A., Baath E (2011) Use and misuse of PLFA measurements in soils, Soil Biology & Biochemistry, doi:10.1016/j.soilbio.2010.11.021 downlod PDF
Borgen S; Molstad L, Bruun S, Breland TA, Bakken LR, Bleken MA (2011) Estimation of plan litter pools and decomposition related parameters in a mehanistic model. Plant and Soil 338: 205-222
Jones CM, Welsch A, Troback IN, Dörsch P, Bakken LR, Hallin S (2011). Phenotypic and genotypic heterogeneity among closely related soil-borne N2 and N2O-producing Bacillus isolates harbouring the nosZ gene. FEMS Microbiology Ecology 76:541-552
Borgen S, Molstad L, Bruun S, Breland T, Bakken L, Bleken M (2010) Estimation of plant litter pools and decomposition-related parameters in a mechanistic model. Plant and Soil 10.1007.s11104-010-0404-4 download PDF
Liu, B, Mørkved P, Frostegård A, Bakken L (2010) Denitrification gene pools, transcription and kinetics of NO, N2O and N2 production as a¡ected by soil pH. FEMS Microbiol Ecol 72 (2010) 407–417 download PDF
Bergaust L, Mao Y, Bakken LR, Frostegård A. (2010) Denitrification response patterns during the transition to anoxic respiration and posttranscriptional effects of suboptimal pH on nitrogen oxide reductase in Paracoccus denitrificans. Appl Environ Microbiol. 2010 Oct;76(19):6387-96 download PDF
Xuan Hong, Xiaojun Zhang, Binbin Liu, Yuejian Mao, Yongdi Liu, Liping Zhao (2010) Structural differentiation of bacterial communities in indole-degrading bioreactors under denitrifying and sulfate-reducing conditions. Research in Microbiology 161: 687e693 download PDF
Knut Ehlers, Lars R. Bakken, Åsa Frostegård, Emmanuel Frossard, Else K. Bünemann (2010) Phosphorus limitation in a Ferralsol: Impact on microbial activity and cell internal P pools. Soil Biology & Biochemistry 42 (2010) 558e566 download PDF
Silke Falk, Binbin Liu, Gesche Braker (2010) Isolation, genetic and functional characterization of novel soil nirK-type denitriﬁers. Systematic and Applied Microbiology 33: 337–347 download PDF
Bach, L., Frostegård, Å. and Ohlson, M. 2009. Site identity and moss species as determinants of soil microbial community structure in Norway spruce forests across three vegetation zones. Plant and Soil 318:81–91.
Björklöf K., Karlsson S., Frostegård Å. and Jørgensen K. 2009. Presence of actinobacterial and fungal communities in clean and petroleum hydrocarbon contaminated subsurface soil. Open Microbiol J. 3: 75–86.
Bleken MA, Herrmann A, Haugen LR, Taube F, Bakken LR, (2009) SPN: A model for the study of soil-plant nitrogen fluxes in silage maize cultivation. Eur. J. Agron.30:283-295.
Bergaust L, Shapleigh J, Frostegård Å, Bakken LR (2008) Transcription and activities of NOx reductases in Agrobacterium tumefaciens: the influence of nitrite, nitrate and oxygen availability. Environmental Microbiology 10:3070-3081 download PDF
Ehlers K, Buneman E, Oberson A, Frossard E, Frostegård Å, Yuejian M, Bakken LR (2008) Extraction of soil bacteria from Ferralsol. Soil Biology and Biochemistry 40_1940-1946 download PDF
Mao Y, Bakken LR, Zhao L, Frostegård, A (2008) Functional robustness and gene pools of a wastewater nitrification reactor: comparison of dispersed and intact biofilms when stressed by low oxygen and low pH. FEMS Microbiology Ecology 66:167-180 download PDF
Yuejian Mao, Xiaojun Zhang, Xing Yan, Binbin Liu, Liping Zhao (2008) Development of group-specific PCR-DGGE fingerprinting for monitoring structural changes of Thauera spp. in an industrial wastewater treatment plant responding to operational perturbations. Journal of Microbiological Methods 75: 231–236 download PDF
Morley N, Baggs E, Dörsch P, Bakken LR (2008) Production of NO, N2O and N2 by extracted soil bacteria, regulation by NO2- and O2 concentrations. FEMS Microbiology Ecology 65:101-112 download pdf
Bakken LR, Dörsch P (2007) Nitrous oxide emission and global changes: modelling approaches. Chapter 25 in Biology of the Nitrogen Cycle, Bothe H, Ferguson SJ, Newton WE (eds).pp 382-395 Elsevier (Amsterdam) download PDF
Jia, Y., Molstad, L., Frostegård Å., Aagaard, P., Breedveld G.D and Bakken, L.R. (2007) Kinetics of microbial growth and degradation of organic substrates in subsoil as affected by an inhibitor, benzotriazole: Model based analyses of experimental results. Soil Biol. Biochem 39:1597-1608 download PDF
Molstad L, Dörsch P, Bakken LR (2007) Robotized incubation system for monitoring gases (O2, NO, N2O N2) in denitrifying cultures. Journal of Microbiological Methods 71:202-211 download PDF
Mørkved, P.T., Dörsch, P. and Bakken, L.R. (2007) The N2O product ratio of nitrification in soil and its dependence on soil pH. Soil Biology & Biochemistry 39:2048-2057 download PDF
Mørkved, P.T., Dörsch, P., Søvik, A.K. and Bakken, L.R. (2007) Simplified preparation for the δ15N-analysis in soil NO3- by the denitrifier method. Soil Biology & Biochemistry 39:1907-1915 download PDF
Pontiroli, A., Monier, JM, Frostegård, Å., Simonet, P. and Vogel T. (2007) Ecology of transgenic DNA in the environment. Environmental Biosafety Research. Environmental Biosafety Research 6:15-37
Bakken LR, Frostegård Å (2006) Nucleic acid extractions from soil. In: Smalla K, Nannipieri P (eds): Series on Soil Biology: Nucleic Acids and Proteins in soil. 350 p. Springer Press pp49-67 download PDF
Arild Vatn, Lars Bakken, Marina A. Bleken, Ole Hans Baadshaug, Haldor Fykse, Lars E. Haugen, Helge Lundekvam, John Morken, Eirik Romstad, Per Kristian Rørstad, Arne O. Skjelvåg, and Trine Sogn. (2006) A methodology for integrated economic and environmental analysis of pollution from agriculture. Agricultural Systems 88:270-293 download PDF
Jia, Y., Bakken, L.R., Breedveld G.D., Aagaard, P. and Frostegård Å. (2006) Organic compounds that reach subsoil may threaten groundwater quality; effect of Benzotriazole on degradation kinetics and microbial community composition. Soil Biol. Biochem. 38:2543-2556 download PDF
Mørkved PT, Dörsch P, Henriksen TM, Bakken LR (2006) N2O emissions and product ratios of nitrification and denitrification as affected by freezing and thawing. Soil Biology and Biochemistry 38:3411-3420 download PDF
Schurgers G, Dörsch P, Bakken LR, Leffelaar LR, Haugen LE (2006) Modelling soil anaerobiosis from water retention characteristics and soil respiration. Soil Biology & Biochemistry 38:2637-2644 download PDF
Sverdrup L. E., Linjordet R., Strømman, G., Hagen S. B., van Geste C.A.M., Frostegård Å. and Sørheim R. (2006) Functional and community-level soil microbial responses to zinc addition may depend on test system biocomplexity. Chemosphere. 65:1747-1754
Almås,Å.R., J.Mulder, and L.R.Bakken. (2005). The trace metal exposure of soil bacteria depends on their position in the soil matrix. Environ. Sci. & Technol 39:5927-5932 download PDF
Grønli, K., Frostegård, Å., Bakken L. and Ohlson, M. (2005) The effect of fertilisation and glucose amendment on the interactions between microbial soil organisms and young tree seedlings. Plant and Soil. 278: 275-291
Joner, E.J., Eldhuset, T.D., Lange, H. and Frostegård, Å. (2005) Changes in the microbial community in a forest soil amended with aluminium in situ. Plant and Soil 275:295-304
Mørkved PT, Søvik AK, Kløve B, Bakken LR (2005) Removal of nitrogen in different wetland filter materials: use of stable isotopes to determine factors controlling denitrification and DNRA. Water Science and Technology 51:63-71
Wolde-meskel, E., Terefework, Z., Frostegård, Å and Lindström, K. (2005) Genetic diversity and phylogeny of rhizobia isolated from woody legumes in southern Ethiopia. International Journal of Systematic and Evolutionary Microbiol. 55:1439-1452
Åsgeir R. Almås, Lars R. Bakken, Jan Mulder (2004) Changes in tolerance of soil microbial communities in Zn and Cd contaminated soils. Soil Biology & Biochemistry 36 (2004) 805–813 download PDF
Bomo, A.-M., Ekeberg, D., Stevik, T.-K., Hanssen, J.-F. and Frostegård, Å. (2004) Retention and removal of the fish pathogenic bacterium Yersinia ruckeri in biological sand filters. J. Appl. Microbiol. 97: 598-608
Dörsch, P., Bakken, L. (2004) Low-temperature response of denitrification: comparison of soils. Eurasian Soil Sciences 37, 101-106
Dörsch, P., Palojärvi, A. and S. Mommertz (2004) Over winter greenhouse gas fluxes in two contrasting agricultural habitats. Nutrient Cycling in Agroecosystems 70, 117-133
Wolde-meskel, E., Berg, T., Peters, N. K. and Frostegård, Å. (2004) Nodulation status of Acacia spp and other native woody legumes, and phenotypic characteristics of associated rhizobia in soils of southern Ethiopia. Biol. Fert. Soils.40: 55-66
Wolde-meskel, E., Terefework, Z., Lindström, K. and Frostegård, Å. (2004) Rhizobia nodulating African Acacia spp and Sesbania sesban trees in southern Ethiopian soils are metabolically and genomically diverse. Soil Biol. Biochem. 36: 2013-2025
Wolde-meskel, E., Terefework, Z., Lindström, K. and Frostegård, Å. (2004) Metabolic and genomic diversity of rhizobia from field standing native and exotic woody legumes in southern Ethiopia. Syst. Appl. Microbiol 27: 603-611
2003 and earlier
Aakra Å, Hesselsøe M, Bakken LR (2000) Surface attachment of ammonia oxidizing bacteria in soil. Microbial Ecology 39:222-235 download PDF
Aakra Å, Utåker JB, Nes IF, Bakken LR (1999) An evaluated improvement of the extinction dilution method for the isolation of ammonia oxidising bacteria. J Microbiol Methods 39:23-31
Bååth, E., Diaz-Ravina, M., Frostegård, Å. and Campbell, C. D. (1998) Effect of metal-rich sludge amendments on the soil microbial community. Appl. Environ. Microbiol. 64:238-245
Bååth, E., Frostegård, Å., Díaz-Raviña M. and Tunlid, A. 1998. Microbial community-based measurements to estimate heavy metal effect in soil: The use of phospholipid fatty acid patterns and bacterial community tolerance. Ambio 27:58-61
Bakken LR (1997) Culturable and unculturable bacteria in soil. In: "Modern Soil Microbiology", vanElsas JD, Wellngton EMH, Trevors JT (eds) Marcel Decker. pp 47-61.
Bakken LR and Bleken (1998) Temporal aspects of N-enrichment and emission of N2O to the atmosphere. Nutrient Cycling in Agroecosystems. 52:107-121
Lars R. Bakken and Rolf A. Olsen (1987) The Relationship Between Cell Size and Viability of Soil Bacteria. Microb Ecol 13:103-114 download PDF
Bakken LR (1985) Separation and Purification of Bacteria from Soil. Applied And Environmental Microbiology, p. 1482-1487, 0099-2240/85/061482-06$02.00/0 download PDF
Bertolla, F., Frostegård, Å., Thomas, S., Nesme, X. and Simonet, S. (1999) During infection of its host, the plant pathogen Ralstonia solanacearum naturally develops a state of competence and exchanges genetic material. Mol. Plant-Microb. Interactions 12:467-472
Bleken MA, Bakken LR (1997) Nitrogen cost of food production: Norwegian Society. AMBIO 26 (3): 134-142 download PDF
Bleken MA, Bakken LR (1997) The antropogenic nitrogen cycle in Norway. In: Controlling Mineral Emissions in European Agriculture; Economics, Policies and the Environment. Romstad E, Simonsen J, Vatn A (eds). CAB International, Wallingford UK. pp 27-40
Börjesson, G., Sundh, I., Tunlid, A., Frostegård, Å. and Svensson, B. H. (1998) Microbial oxidation of CH4 at high partial pressures in an organic landfill cover under different moisture regimes. FEMS Microbiol Ecol. 26:207-217
Clerc-Bardin, S., Karray, F., Frostegård, Å., Pernodet, J.-L., and Simonet, P. (2001) Development of a conditional lethality system for a Streptomyces lividans strain and its use to investigate conjugative transfer in soil. FEMS Microbiol. Ecol. 38:115-121
Courtois, S., Frostegård, Å., Depret, G., Göransson, P., Jeannin, P., and Simonet, P. (2001) Quantification of bacterial subgroups in soil; comparison of DNA extracted directly from soil or from cells previously released by density gradient centrifugation. Environ. Microbiol. 3:431-439
Flessa, H., Ruser, R., Dörsch, P., Kamp, T., Jiminez, M. A., Munch, J. C. and F. Beese (2002) Integrated evaluation of greenhouse gas emission (CO2, CH4, N2O) from two farming systems in southern Germany. Agriculture, Ecosystems and Environment 91, 175-189
Frolking, S. E., Mosier, A. R., Ojima, D. S., Li, C., Parton, W. J., Potter, C. S., Priesack, E., Stenger, R., Haberbosch, C., Dörsch, P., Flessa, H. and K. A. Smith (1998) Comparison of N2O emissions from soils at three temperate agricultural sites: Simulation of year-round measurements by four models. Nutrient Cycling in Agroecosystems 52, 77-105
Frostegård, Å., Courtois, S., Ramisse, V., Clerc, S., Le Gall, F., Jeannin, P., Nesme, X. and Simonet, P. (1999) Quantification of bias related to the extraction of DNA directly from soils. Appl. Environ. Microbiol. 65:5409-5420
Frostegård, Å., Nielsen, T. H., Bååth, E. and Petersen, S. O. (1997) Dynamics of a microbial community associated with a manure hot-spot as revealed by phospholipid fatty acid analysis. Appl. Environ. Microbiol. 63: 2224-22
Holtan-Hartwig L, Bechmann M, Hoyas TR, Linjordet R, Bakken LR (2002) Heavy metals tolerance of soil denitrifying communities: N2O dynamics. Soil Biology and Biochemistry 34: 1181-1190
Holtan-Hartwig L, Dörsch P, Bakken LR (2000) Comparison of denitrifying communities in organic soils: kinetics of NO3- and N2O reduction. Soil Biology and Biochemistry 32: 833-843. download PDF
Holtan-Hartwig L, Dörsch P, Bakken LR (2002) Low temperature control of soil denitrifying communities. Soil Biology and Biochemistry 34:1797-1806 download PDF
Insam, H., Kraft, A., Tschuggnall, G., Frostegård, Å., Bååth, E., Gerzabek, M. H., Schweiger, P., Berreck, M., Schinner, F., Arnone, J. and Körner, C. (1999) Response of the soil microbiota to elevated CO2 in an artificial tropical ecosystem. J. Microbiol. Methods. 36:45-54
Jensen S, Prieme A, Bakken LR (1998) Methanol improves methane uptake in starved methanotrophic microorganisms. Applied and Environmental Microbiology 64:1143-1146
Jiang QQ, Bakken LR (1999) Comparison of Nitrosospira strains from terrestrial environments. FEMS Microbiology Ecology 30 (171-186) download PDF
Jiang QQ, Bakken LR (1999) Nitrous oxide production and methane oxidation by different ammonium oxidizing bacteria. Applied and Environmental Microbiology 65:2679-2648) download PDF
Klemedtsson L, Jiang QQ, Klemedtsson ÅK Bakken LR (1999) Ammonium oxidizing bacteria in acid forest humus. Soil Biology and Biochemistry 31:839-847
Klemedtsson, L., Weslien, P., Kasimier-Klemedtsson, Å., Silvola, J., Maljanen, M., Martikainen, P., Dörsch, P., van der Pol-van Desselaar, A., Oenema, O., Corré, W., Holtan-Hartwig, L., Bakken, L., Christensen, S., Priemé, A., Jensen, N. O., Klein-Gunnewiek, H. J. T. and P. A. Leffelaar (1999) Greenhous gas emissions from farmed organic soils. In: Valentini, R. and C. Brüning (eds.) Greenhouse gases and their role in climate change: The status of research in Europe. EUR 19085. Office for Official Publications of the Europ. Comm., Luxenbourg, pp. 57-65
Korsaeth A, Bakken LR, Riley H (2003) Nitrogen dynamics of grass as affected by N input regimes, soil texture and climate: lysimeter measurements and simulations. Nutrient Cycling in Agroecosystems 66: 181-199.
Korsaeth A, Henriksen TM, Bakken LR (2002) Temporal changes in microbial mineralization and immobilization of N during degradation of plant material: implications for the plant N supply and nitrogen losses. Soil Biology and Biochemistry 34:789-799
Korsaeth A, Molstad L, Bakken LR (2001) Modelling the competition for nitrogen between plants and microflora as a function of soil heterogeneity. Soil Biology and Biochemistry 33:215-226 download PDF
Lindahl V and Bakken LR (1995) Evaluation of methods for extraction of bacteria from soil. FEMS Microbiology Ecology 16: 135-142 download PDF
Lindahl V, Frostegård Å, Bakken LR, Bååth E (1997) Phospholipid fatty acid composition of size fractionated indigenous soil bacteria. Soil Biol Biochem 29:1565-1569
Sitaula BK, Hansen S, Sitaula JIB, Bakken LR (2000) Effects of soil compaction on N2O emission in agricultural soil. Chemosphere – Global Change 2:367-371 download PDF
Sitaula BK, Hanssen S, Situla JIB, Bakken LR (2000) Methane oxidation potentials and fluxes in agricultural soil: effects of fertilization and soil compaction. Biogeochemistry 48:323-339
Smith K, Dobbie KE, Ball BC, Bakken LR, Sitaula B, Hansen S, Brumme R, Borken W, Christensen S, Prieme A, Fowler D, MacDonald JA, Skiba U, Klemedtsson L, Kasimir-Klemedtsson A, Degorska A, Orlanski P (2000) Oxidation of atmospheric methane in northern European soils, comparison with other ecosystems, and uncertainties in the global terrestrial sink. Global Change Biology 6:791-803
Swensen B and Bakken LR (1999) Release of fossile methane from soil particles, and its implication for estimation of methane oxidation in a mineral subsoil. Biogeochemistry 47: 1-14
Vatn A, Bakken LR, Botterweg P, Romstad E (1999) ECECMOD: an interdisciplinary modelling system for analyzing nutrient and soil losses from agriculture. Ecological Economics 30: 189-205
Vatn A, Bakken LR, Lundeby H, Romstad E, Rørstad PK, Vold A (1997) Regulating nonpoint-source pollution from agriculture: an integrated modelling analysis. Eur Rev Agric Economics 24:207-229
Vold A, Bakken LR, Uhlen G, Vatn A (1999) Use of data from long-term fertilizer experiments to model plant nitrogen uptake. Nutrient Cycling in Agroecosystems 55:197-206
Wang J, Bakken LR (1998) Screening of Soil Bacteria for Poly-b-Hydroxybutyric Acid Production and Its Role in the Survival of Starvation. Microb Ecol 35:94–101 download PDF
Wang J, Bakken LR (1997) Competition for Nitrogen During Decomposition of Plant Residues in Soil: Effect of Spatial Placement of N-Rich and N-Poor Plant Residues. Soil Biol Biochem 29:153-162 download PDF
Wang J, Bakken LR (1997) Competition for Nitrogen during Mineralization of Plant Residues in Soil: Microbial Response to N-Depletion in Root Zone. Soil Biol Biochem 29:163-17 download PDF