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Mari Nyyssönen

20052019
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Research Output 2005 2019

2019

Cloning of novel bacterial xylanases from lignocellulose-enriched compost metagenomic libraries

Ellilä, S., Bromann, P., Nyyssönen, M., Itävaara, M., Koivula, A., Paulin, L. & Kruus, K., 2019, In : AMB Express. 9, 1, 124.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Metagenomics
Organism Cloning
Soil
Hydrolysis
Enzymes
1 Citation (Scopus)

Oil degradation potential of microbial communities in water and sediment of Baltic Sea coastal area

Miettinen, H., Bomberg, M., Nyyssönen, M., Reunamo, A., Jørgensen, K. S. & Vikman, M., 2 Jun 2019, In : PLoS ONE. 14, 7, e0218834.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Baltic Sea
Oceans and Seas
microbial communities
Sediments
Oils
2018

Rare biosphere archaea assimilate acetate in Precambrian terrestrial subsurface at 2.2 km depth

Nuppunen-Puputti, M., Purkamo, L., Kietäväinen, R., Nyyssönen, M., Itävaara, M., Ahonen, L., Kukkonen, I. & Bomberg, M., 13 Nov 2018, In : Geosciences. 8, 11, 418.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
biosphere
Precambrian
acetate
microbial community
metabolite
2017
9 Citations (Scopus)

Response of deep subsurface microbial community to different carbon sources and electron acceptors during ~2 months incubation in microcosms

Purkamo, L., Bomberg, M., Nyyssönen, M., Ahonen, L., Kukkonen, I. & Itävaara, M., 20 Feb 2017, In : Frontiers in Microbiology. 8, Feb, p. 232 232.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Acetates
Carbon
Electrons
Sulfates
Groundwater
2016
25 Citations (Scopus)

Microbial co-occurrence patterns in deep Precambrian bedrock fracture fluids

Purkamo, L., Bomberg, M., Kietäväinen, R., Salavirta, H., Nyyssönen, M., Nuppunen-Puputti, M., Ahonen, L. M., Kukkonen, I. T. & Itävaara, M., 2016, In : Biogeosciences. 13, 10, p. 3091-3108

Research output: Contribution to journalArticleScientificpeer-review

Open Access
bedrock
microbial communities
microbial community
Precambrian
fluid
2015
30 Citations (Scopus)

Active microbial communities inhabit sulphate-methane interphase in deep bedrock fracture fluids in Olkiluoto, Finland

Bomberg, M., Nyyssönen, M., Pitkänen, P., Lehtinen, A. & Itävaara, M., 2015, In : BioMed Research International. 2015, 17 p., 979530.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Interphase
Methane
Finland
Sulfates
Fluids
20 Citations (Scopus)

Heterotrophic communities supplied by ancient organic carbon predominate in deep fennoscandian bedrock fluids

Purkamo, L., Bomberg, M., Nyyssönen, M., Kukkonen, I., Ahonen, L. & Itävaara, M., 2015, In : Microbial Ecology. 69, 2, p. 319-332

Research output: Contribution to journalArticleScientificpeer-review

bedrock
organic carbon
fluid
carbon
microorganisms

Rapid reactivation of deep subsurface microbes in the presence of C-1 compounds

Rajala, P., Bomberg, M., Kietäväinen, R., Kukkonen, I., Ahonen, L., Nyyssönen, M. & Itävaara, M., 2015, In : Microorganisms. 3, 1, p. 17-33

Research output: Contribution to journalArticleScientificpeer-review

Open Access
nutrient availability
reactivation
repository
microorganism
biosphere
32 Citations (Scopus)

Revealing the unexplored fungal communities in deep groundwater of crystalline bedrock fracture zones in Olkiluoto, Finland

Sohlberg, E., Bomberg, M., Miettinen, H., Nyyssönen, M., Salavirta, H., Vikman, M. & Itävaara, M., 2015, In : Frontiers in Microbiology. 6, 573.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Groundwater
Finland
Fungi
Basidiomycota
Ascomycota
2014

Evaluation of molecular techniques in characterization of deep terrestrial biosphere

Bomberg, M., Nyyssönen, M., Nousiainen, A., Hultman, J., Paulin, L., Auvinen, P. & Itävaara, M., 2014, In : Open Journal of Ecology. 4, 8, p. 468-487

Research output: Contribution to journalArticleScientificpeer-review

Open Access
biosphere
microbial community
clone
fluid
gene

Metagenomics studies of deep terrestrial biosphere of Fennoscandian Shield

Itävaara, M., Marjamaa, K., Salavirta, H., Nyyssölä, A., Bomberg, M., Nyyssönen, M., Purkamo, L., Miettinen, H., Sohlberg, E., Vikman, M., Ahonen, L., Kietäväinen, R. & Kukkonen, I., 2014. 1 p.

Research output: Contribution to conferenceConference AbstractScientific

biosphere
shield
protein
borehole
homology
50 Citations (Scopus)

Taxonomically and functionally diverse microbial communities in deep crystalline rocks of the Fennoscandian shield

Nyyssönen, M., Hultman, J., Ahonen, L., Kukkonen, I., Paulin, L., Laine, P., Itävaara, M. & Auvinen, P., 2014, In : The ISME Journal. 8, 1, p. 126-138 12 p.

Research output: Contribution to journalArticleScientificpeer-review

crystalline rock
microbial communities
microbial community
shield
rocks
2013
9 Citations (Scopus)

Application of denaturing high-performance liquid chromatography for monitoring sulfate-reducing bacteria in oil fields

Priha, O., Nyyssönen, M., Bomberg, M., Laitila, A., Simell, J., Kapanen, A. & Juvonen, R., 2013, In : Applied and Environmental Microbiology. 79, 17, p. 5186-5196 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Hydrogensulfite Reductase
Oil and Gas Fields
oil fields
sulfate-reducing bacteria
sulfite
23 Citations (Scopus)

Characterisation and isotopic evolution of saline waters of the Outokumpu Deep Drill Hole, Finland: Implications for water origin and deep terrestrial biosphere

Kietäväinen, R., Ahonen, L., Kukkonen, I. T., Hendriksson, N., Nyyssönen, M. & Itävaara, M., 2013, In : Applied Geochemistry. 32, p. 37-51

Research output: Contribution to journalArticleScientificpeer-review

Saline water
biosphere
Water
water
isotopic composition
30 Citations (Scopus)

Dissecting the deep biosphere: Retrieving authentic microbial communities from packer-isolated deep crystalline bedrock fracture zones

Purkamo, L., Bomberg, M., Nyyssönen, M., Kukkonen, I., Ahonen, L., Kietäväinen, R. & Itävaara, M., 2013, In : FEMS Microbiology Ecology. 85, 2, p. 324-337 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
fracture zone
biosphere
microbial community
bedrock
Groundwater
2012

Diversity of sulphate reducing bacteria in deep earth crust aquifers of Fennoscandian Shield

Bomberg, M., Nyyssönen, M. & Itävaara, M., 2012.

Research output: Contribution to conferenceConference articleScientific

25 Citations (Scopus)

Methanogenic and sulphate-reducing microbial communities in deep groundwater of crystalline rock fractures in Olkiluoto, Finland

Nyyssönen, M., Bomberg, M., Kapanen, A., Nousiainen, A., Pitkänen, P. & Itävaara, M., 2012, In : Geomicrobiology Journal. 29, 10, p. 863-878 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Crystalline rocks
Groundwater
crystalline rock
Finland
Sulfates
2011

Acetate-consuming microbial populations enriched from Fennoscandian bedrock fracture fluids from a depth of 967 m

Purkamo, L., Bomberg, M., Nyyssönen, M., Ahonen, L., Kukkonen, I. & Itävaara, M., 2011, Final programme and abstracts: ISSM 2011: microbial life below our feet - principles and challenges of subsurface ecosystems / 8th International Symposium of Subsurface Microbiology. Meckenstock, R. (ed.). München, Germany

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

76 Citations (Scopus)

Characterization of bacterial diversity to a depth of 1500 m in the Outokumpu deep borehole, Fennoscandian Shield

Itävaara, M., Nyyssönen, M., Kapanen, A., Nousiainen, A., Ahonen, L. & Kukkonen, I., 2011, In : FEMS Microbiology Ecology. 77, 2, p. 295-309 15 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
shield
borehole
Bacteria
Groundwater
rRNA Genes

Characterization of the deep terrestrial subsurface microbial communities by pyro-sequencing

Bomberg, M., Nyyssönen, M. & Itävaara, M., 2011, Final programme and abstracts: ISSM 2011: microbial life below our feet - principles and challenges of subsurface ecosystems / 8th International Symposium of Subsurface Microbiology. Meckenstock, R. (ed.). München, Germany

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

18 Citations (Scopus)

Hydrogeological characteristics of the Outokumpu Deep Drill Hole

Ahonen, L., Kietäväinen, R., Kortelainen, N., Kukkonen, I. T., Pullinen, A., Toppi, T., Bomberg, M., Itävaara, M., Nousiainen, A., Nyyssönen, M. & Öster, M., 2011, Outokumpu Deep Drilling Project 2003-2010. Kukkonen, I. T. (ed.). Espoo, p. 151-168

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientific

Open Access
drilling
fluid
electrical conductivity
drilling fluid
hydraulics

Identification of acetate-utilizing communities in deep terrestrial biosphere by Stable Isotope Probing

Nuppunen-Puputti, M., Bomberg, M., Nyyssönen, M., Purkamo, L., Kietäväinen, R., Ahonen, L., Kukkonen, I. & Itävaara, M., 2011, Final programme and abstracts: ISSM 2011: microbial life below our feet - principles and challenges of subsurface ecosystems / 8th International Symposium of Subsurface Microbiology. Meckenstock, R. (ed.). München, Germany

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Microbiological sampling and analysis of the Outokumpu Deep Borehole biosphere in 2007-2008

Itävaara, M., Nyyssönen, M., Bomberg, M., Kapanen, A., Nousiainen, A., Ahonen, L., Hultman, J., Paulin, L., Auvinen, P. & Kukkonen, I. T., 2011, Outokumpu Deep Drilling Project 2003-2010. Kukkonen, I. T. (ed.). Espoo: Geological Survey of Finland, p. 199-206 (Geological Survey of Finland. Special Paper; No. 51).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientificpeer-review

Open Access
biosphere
borehole
microbial community
bedrock
sampling
2010

Deep biosphere - the source of interesting microorganisms

Itävaara, M., Nyyssönen, M., Bomberg, M., Kapanen, A., Ahonen, L., Kukkonen, I., Hultman, J., Auvinen, P. & Paulin, L., 2010.

Research output: Contribution to conferenceConference articleScientific

3 Citations (Scopus)

Deep life and gases in the Outokumpu deep borehole: Base line information for nuclear waste disposal in crystalline rock

Ahonen, L., Kukkonen, I., Toppi, T., Nyyssönen, M., Bomberg, M., Nousiainen, A. & Itävaara, M., 2010, Symposium AA – Scientific Basis for Nuclear Waste Management XXXIV. Warrendale, PA: Materials research society, p. 197-202 (Materials Research Society Symposia Proceedings, Vol. 1265).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

crystalline rock
waste disposal
radioactive waste
borehole
gas

GEOMOL Tutkimusraportti vuoden 2009 tuloksista

Itävaara, M., Nyyssönen, M., Bomberg, M. & Ahonen, L., 2010, VTT Technical Research Centre of Finland. (VTT Research Report; No. VTT-R-01651-10).

Research output: Book/ReportReport

Quantitation and Identification of Methanogens and Sulphate Reducers in Olkiluoto Groundwater

Bomberg, M., Nyyssönen, M. & Itävaara, M., 2010, Olkiluoto: Posiva . 56 p. (Posiva Working Report, Vol. 59).

Research output: Book/ReportReport

sulfate
groundwater
methane
sulfate-reducing bacterium
microorganism
2009

Deep subsurface microbial communities in crystalline bedrock aquifers

Itävaara, M., Nyyssönen, M., Ahonen, L. & Kukkonen, I., 2009.

Research output: Contribution to conferenceConference articleScientific

Open Access
biodegradation
hydrocarbon
gene
monitoring
bioremediation
9 Citations (Scopus)

Functional genes reveal the intrinsic PAH biodegradation potential in creosote-contaminated groundwater following in situ biostimulation

Nyyssönen, M., Kapanen, A., Piskonen, R., Lukkari, T. & Itävaara, M., 2009, In : Applied Microbiology and Biotechnology. 84, 1, p. 169-182 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Creosote
Polycyclic Aromatic Hydrocarbons
Groundwater
Genes
Hydrocarbons

Microbiological sampling and analysis of Outokumpu Deep Borehole Deep biosphere

Itävaara, M., Nyyssönen, M., Bomberg, M., Purkamo, L., Kapanen, A., Ahonen, L., Kukkonen, I., Hultman, J., Paulin, L. & Auvinen, P., 2009.

Research output: Contribution to conferenceConference articleScientific

2008
7 Citations (Scopus)

Evaluating the biodegradation of aromatic hydrocarbons by monitoring of several functional genes

Piskonen, R., Nyyssönen, M. & Itävaara, M., 2008, In : Biodegradation. 19, 6, p. 883-895 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Aromatic Hydrocarbons
Aromatic hydrocarbons
Biodegradation
aromatic hydrocarbon
biodegradation

Life in deep bedrock aquifers: Metagenomics of deep borehole biosphere

Itävaara, M., Nyyssönen, M., Nousiainen, A., Ahonen, L., Auvinen, P. & Kukkonen, I., 2008.

Research output: Contribution to conferenceConference articleScientific

7 Citations (Scopus)

Monitoring aromatic hydrocarbon biodegradation by functional marker genes

Nyyssönen, M., Piskonen, R. & Itävaara, M., 2008, In : Environmental Pollution. 154, 2, p. 192 - 202 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Aromatic Hydrocarbons
Aromatic hydrocarbons
Biodegradation
Genes
Naphthalene
2006
22 Citations (Scopus)

A targeted real-time PCR assay for studying naphthalene degradation in the environment

Nyyssönen, M., Piskonen, R. & Itävaara, M., 2006, In : Microbial Ecology. 52, 3, p. 533-543 11 p.

Research output: Contribution to journalArticleScientificpeer-review

naphthalene
polymerase chain reaction
quantitative polymerase chain reaction
assay
degradation
2005
41 Citations (Scopus)

Monitoring of accelerated naphthalene-biodegradation in a bioaugmented soil slurry

Piskonen, R., Nyyssönen, M., Rajamäki, T. & Itävaara, M., 2005, In : Biodegradation. 16, 2, p. 127 - 134 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Naphthalene
Biodegradation
naphthalene
slurry
biodegradation