Henri Siljanen

Contrasting methanotrophic communities between upland and polygonal tundra and their link to nitrogen metabolism and methane uptake in the Western Canadian Arctic

Voigt, Carolina; Siljanen, Henri MP; Palacin-Lizarbe, Carlos; Bennett, Kathryn A; Chevrier-Dion, Charles; Fiencke, Claudia; Knoblauch, Christian; Marquis, Charlotte; Marushchak, Maija E; Saarela, Taija; Wilcox, Evan J; Sonnentag, Oliver, 2025, Soil biology and biochemistry, 213, 110038. A1 Journal article (refereed), original research

Higher soil nitrous oxide production in landscape depressions linked to soil and hydrological legacy effects

Liu, Yujia; Siljanen, Henri M P; Kemmann, Björn; Ambus, Per; Paul, Dhiraj; Thiyagarasaiyar, Krishnapriya; Elberling, Bo; Wichern, Florian; Thorup-Kristensen, Kristian; Mueller, Carsten W; Poultney, Daniel M N, 2025, Frontiers in soil science, 5, 1566135. A1 Journal article (refereed), original research

Microbial Ecology of Permafrost Soils: Populations, Processes, and Perspectives

Waldrop, Mark P; Ernakovich, Jessica Gilman; Vishnivetskaya, Tatiana A; Schaefer, Sean R; Mackelprang, Rachel; Barta, Jiri; O′Brien, Joy M; Winkel, Matthias; Barbato, Robyn A; Heffernan, Liam; Leewis, Mary Cathrine; Hewitt, Rebecca E; Hultman, Jenni; Sun, Yanchen; Biasi, Christina; Bradley, James A; Liebner, Susanne; Ricketts, Michael P; Muscarella, Mario E; Schütte, Ursel; Abuah, Fumnanya; Whalen, Emily; Timling, Ina; Voigt, Carolina; Taş, Neslihan; Lloyd, Karen G; Siljanen, Henri M P; Rivkina, 2025, Permafrost and periglacial processes, 36, 2, 245-258. A2 Review article, Literature review, Systematic review

Microorganisms in the phyllosphere of Norway spruce controlling nitrous oxide dynamics

Paul, Dhiraj; Paasisalo, Inga; Putkinen, Anuliina; Jones, Christopher M; Kohl, Lukas; Hallin, Sara; Pihlatie, Mari; Siljanen, Henri MP, 2025, ISME communications, 5, ycaf196. A1 Journal article (refereed), original research

Targeted metagenomics using probe capture detect a larger diversity of nitrogen and methane cycling genes in complex microbial communities than traditional metagenomics

Siljanen, Henri MP; Manoharan, Lokeshwaran; Hilts, Angus S; Bagnoud, Alexandre; Alves, Ricardo J E; Jones, Christopher M; Kerou, Melina; Sousa, Felipa L; Hallin, Sara; Biasi, Christina; Schleper, Christa, 2025, ISME communications, 5, 1, ycaf183. A1 Journal article (refereed), original research

The effect of soil amendments on the greenhouse gas production in agricultural peat soils

Ronkainen, Jussi G; Siljanen, Henri; Liimatainen, Maarit; Maljanen, Marja, 2025, Boreal environment research, 30, 21-37. A1 Journal article (refereed), original research

CH4 transport in wetland plants under controlled environmental conditions - separating the impacts of phenology from environmental variables

Ge, Mengyu; Korrensalo, Aino; Putkinen, Anuliina; Laiho, Raija; Kohl, Lukas; Pihlatie, Mari; Lohila, Annalea; Mäkiranta, Päivi; Siljanen, Henri; Tuittila, Eeva-Stiina; Wang, Jinsong; Koskinen, Markku, 2024, Plant and soil, 2025; 507, 1, 671-691. A1 Journal article (refereed), original research

The influence of dissolved organic matter composition on microbial degradation and carbon dioxide production in pristine subarctic rivers

Saarela, Taija; Zhu, Xudan; Jäntti, Helena; Ohashi, Mizue; Ide, Jun'ichiro; Siljanen Henri; Pesonen, Aake; Aaltonen, Heidi; Ojala, Anne; Nishimura, Hiroshi; Kekäläinen, Timo; Jänis, Janne; Berninger, Frank; Pumpanen, Jukka, 2024, Boreal environment research, 29, 131-148. A1 Journal article (refereed), original research

Activity and abundance of methanotrophic bacteria in a northern mountainous gradient of wetlands

Jensen, Sigmund; Siljanen, Henri MP; Dörsch, Peter, 2023, Environmental microbiology reports, 15, 3, 206-215. A1 Journal article (refereed), original research

Radiation and temperature drive diurnal variation of aerobic methane emissions from Scots pine canopy

Kohl, Lukas; Tenhovirta, Salla A M; Koskinen, Markku; Putkinen, Anuliina; Haikarainen, Iikka; Polvinen, Tatu; Galeotti, Luca; Mammarella, Ivan; Siljanen, Henri M P; Robson, Thomas Matthew; Adamczyk, Bartosz; Pihlatie, Mari, 2023, Proceedings of the National Academy of Sciences of the United States of America, 120, 52, e2308516120. A1 Journal article (refereed), original research

Winter nitrogen cycling in sediments of boreal lakes affected by browning and mining

Palacin-Lizarbe, Carlos; Bertilsson, Stefan; Siljanen, Henri J.; Nykänen, Hannu; Biasi, Christina; Jäntti, Helena; Kiljunen, Mikko; Aalto, Saani L.; Rissanen, Antti J.; Pumpanen, Jukka; Vainikka, Anssi, 2023, Itä-Suomen yliopisto. Abstract

A review of the importance of mineral nitrogen cycling in the plant-soil-microbe system of permafrost-affected soils - changing the paradigm

Ramm, Elisabeth; Liu, Chunyan; Ambus, Per; Butterbach-Bahl, Klaus; Hu, Bin; Martikainen, Pertti J; Marushchak, Maija E; Mueller, Carsten W; Rennenberg, Heinz; Schloter, Michael; Siljanen, Henri M P; Voigt, Carolina; Werner, Christian; Biasi, Christina; Dannenmann, Michael, 2022, Environmental research letters, 17, 1, 013004. A2 Review article, Literature review, Systematic review

Bioprocess development of 2, 3-butanediol production using agro-industrial residues

Hazeena, Sulfath Hakkim; Shurpali, Narasinha J; Siljanen, Henri; Lappalainen, Reijo; Anoop, Puthiyamdam; Adarsh, Velayudhanpillai Prasannakumari; Sindhu, Raveendran; Pandey, Ashok; Binod, Parameswaran, 2022, Bioprocess and biosystems engineering, 45, 9, 1527-1537. A1 Journal article (refereed), original research

Draft Genome Sequence of Bradyrhizobium denitrificans K2, Cultivated from an Air Ventilation Environment

Paul, Dhiraj; Paasisalo, Inga; Katainen, Markku; Goffart, Steffi; Pumpanen, Jukka; Siljanen, Henri M. P., 2022, Microbiology resource announcements, 11, 12, e0090722. B1 Non-refereed journal articles

Emissions of atmospherically reactive gases nitrous acid and nitric oxide from Arctic permafrost peatlands

Bhattarai, Hem Raj; Marushchak, Maija E; Ronkainen, Jussi; Lamprecht, Richard E; Siljanen, Henri MP; Martikainen, Pertti J; Biasi, Christina; Maljanen, Marja, 2022, Environmental research letters, 17, 2, 024034. A1 Journal article (refereed), original research

Beyond the usual suspects: methanogenic communities in eastern North American peatlands are also influenced by nickel and copper concentrations

Bear, Sydney E; Seward, James D; Lamit, Louis Jamie; Basiliko, Nathan; Moore, Tim; Lilleskov, Erik; Yavitt, Joseph B; Schadt, Christopher W; Smith, Dave Solance; Mclaughlin, Jim; Siljanen, Henri; Mykytczuk, Nadia; Williams, Shanay; Roulet, Nigel; Harris, Lorna; Carson, Michael A; Watmough, Shaun; Bräuer, Suzanna L, 2021, Fems microbiology letters, 368, 21-24, fnab151. A1 Journal article (refereed), original research

Denitrification is the major nitrous acid production pathway in boreal agricultural soils

Bhattarai, Hem Raj; Wanek, Wolfgang; Siljanen, Henri M P; Ronkainen, Jussi G; Liimatainen, Maarit; Hu, Yuntao; Nykänen, Hannu; Biasi, Christina; Maljanen, Marja, 2021, Communications earth & environment, 2, 1, 54. A1 Journal article (refereed), original research

Microbially facilitated nitrogen cycling in tropical corals

Glaze, Thomas D; Erler, Dirk V; Siljanen, Henri. MP, 2021, Isme journal, 16, 1, 68-77. A1 Journal article (refereed), original research

New insight to the role of microbes in the methane exchange in trees: evidence from metagenomic sequencing

Putkinen, Anuliina; Siljanen, Henri M P; Laihonen, Antti; Paasisalo, Inga; Porkka, Kaija; Tiirola, Marja; Haikarainen, Iikka; Tenhovirta, Salla; Pihlatie, Mari, 2021, New phytologist, 231, 2, 524-536. A1 Journal article (refereed), original research

Thawing Yedoma permafrost is a neglected nitrous oxide source

Marushchak, M. E.; Kerttula, J.; Diáková, K.; Faguet, A.; Gil, J.; Grosse, G.; Knoblauch, C.; Lashchinskiy, N.; Martikainen, P. J.; Morgenstern, A.; Nykamb, M.; Ronkainen, J. G.; Siljanen, H. M. P.; van Delden, L.; Voigt, C.; Zimov, N.; Zimov, S.; Biasi, C., 2021, Nature communications, 12, 1, 7107. A1 Journal article (refereed), original research

Atmospheric impact of nitrous oxide uptake by boreal forest soils can be comparable to that of methane uptake

Siljanen, Henri M P; Welti, Nina; Voigt, Carolina; Heiskanen, Juha; Biasi, Christina; Martikainen, Pertti J, 2020, Plant and soil, 454, 1-2, 121-138. A1 Journal article (refereed), original research

Methanogenic archaea in peatlands

Bräuer, Suzanna; Basiliko, Nathan; Siljanen, Henri; Zinder, Stephen, 2020, Fems microbiology letters, 367, fnaa172. A1 Journal article (refereed), original research

Nitrate removal microbiology in woodchip bioreactors: A case-study with full-scale bioreactors treating aquaculture effluents

Aalto, Sanni; Suurnäkki, Suvi; von Ahnen, Mathis; Siljanen, Henri; Pedersen, Per Bovbjerg; Tiirola, Marja, 2020, Science of the total environment, 723, 138093. A1 Journal article (refereed), original research

Two-stage ultrasonic atomization of liquid using a new sprinkle approach

Nallannan, Balasubramanian; Siljanen, Henri MP; Nieminen, Heikki J, 2020, -, Proceedings of the 2020 IEEE International Ultrasonics Symposium (IUS), 1-4. A4 Conference proceedings

Archaeal nitrification is a key driver of high nitrous oxide emissions from arctic peatlands

Siljanen, Henri M P; Alves, Ricardo J E; Ronkainen, Jussi; Lamprecht, Richard E; Bhattarai, Hem R; Bagnoud, Alexandre; Marushchak, Maija E; Martikainen, Pertti J; Schleper, Christa; Biasi, Christina, 2019, Soil biology and biochemistry, 137, 107539. A1 Journal article (refereed), original research

Recovery of methane turnover and the associated microbial communities in restored cutover peatlands is strongly linked with increasing Sphagnum abundance

Anuliina Putkinen, Eeva-Stiina Tuittila, Henri M.P. Siljanen, Levente Bodrossy, Hannu Fritze, 2017, Soil biology and biochemistry, 2018; 116, 110-119. A1 Journal article (refereed), original research

Microbes as Engines of Ecosystem Function: When Does Community Structure Enhance Predictions of Ecosystem Processes?

Graham Emily B, Knelman Joseph E, Schindlbacher Andreas, Sicilian Steven, Breulmann Marc, Yannarell Anthony, Beman JM, Abell Guy, Philippot Laurent, Prosser James, Foulquier Arnaud, Yuste Jorge C, Glanville Helen C, Davey L Jones, Roey Angel, Salminen Janne, Newton Ryan J, Bürgmann Helmut, Ingram Lachlan J, Hamer Ute et al. (incl. Siljanen Henri), 2016, Frontiers in microbiology, 7, 214. A1 Journal article (refereed), original research

Responses of methanogenic and methanotrophic communities to warming in varying moisture regimes of two boreal fens

Peltoniemi Krista, Laiho Raija, Juottonen Heli, Bodrossy Levente, Kell Dana K, Minkkinen Kari, Mäkiranta Päivi, Mehtätalo Lauri, Penttilä Timo, Siljanen Henri MP, Tuittila Eeva-Stiina, Tuomivirta Tero, Fritze Hannu, 2016, Soil biology and biochemistry, 97, 144-156. A1 Journal article (refereed), original research

Environmental and microbial factors influencing methane and nitrous oxide fluxes in Mediterranean cork oak woodlands: trees make a difference

Shvaleva Alla, Siljanen Henri MP, Correia Alexandra, Costa e Silva Filipe, Lamprecht Richard E, Lobo-do-Vale Raquel, Bicho Catarina, Fangueiro David, Anderson Margaret, Pereira João S, Chaves Maria M, Cruz Cristina, Martikainen Pertti J, 2015, Frontiers in microbiology, 6, 1104. A1 Journal article (refereed), original research

Iron flocculation stimulates biogas production in Microthrix parvicella -spiked wastewater sludge

Pradhan SK, Torvinen E, Siljanen HMP, Pessi M, Heinonen-Tanski H, 2014, International journal of environmental science and technology, -, -. A1 Journal article (refereed), original research

Peatland succession induces a shift in the community composition of Sphagnum-associated active methanotrophs

Putkinen Anuliina, Larmola Tuula, Tuomivirta Tero, Siljanen Henri MP, Bodrossy Levente, Tuittila Eeva-Stiina, Fritze Hannu, 2014, Fems microbiology ecology, 88, 3, 596-611. A1 Journal article (refereed), original research

Effects of nitrogen load on the function and diversity of methanotrophs in the littoral wetland of a boreal lake

Siljanen Henri, Saari Anne, Bodrossy Levente, Martikainen Pertti, 2012, Frontiers in microbiology, online journal. A1 Journal article (refereed), original research

Occurrence of thermotolerant Campylobacter spp. and adenoviruses in Finnish bathing waters and purified sewage effluents

Hokajärvi A-M, Pitkänen T, Siljanen HMP, Nakari U-M, Torvinen E, Siitonen A, Miettinen IT, 2012, Journal of water and health, 11, 1, 120-134. A1 Journal article (refereed), original research

Seasonal variation in the function and diversity of methanotrophs in the littoral wetland of a boreal eutrophic lake

Siljanen Henri MP, Saari Anne, Bodrossy Levente, Martikainen Pertti J, 2012, Fems microbiology ecology, 80, 548-555. A1 Journal article (refereed), original research

Water dispersal of methanotrophic bacteria maintains functional methane oxidation in Sphagnum mosses

Putkinen A, Larmola T, Siljanen H, Tuomivirta T, Bodrossy L, Tuittila E-S, Fritze H, 2012, Frontiers in microbiology, 3, 15. A1 Journal article (refereed), original research

Hydrology is reflected in the functioning and community composition of methanotrophs in the littoral wetland of a boreal lake

Siljanen Henri MP, Saari Anne, Krause Sascha, Lensu Anssi, Abell Guy CJ, Bodrossy Levente, Bodelier Paul LE, Martikainen Pertti J, 2011, Fems microbiology ecology, 75, 430-445. A1 Journal article (refereed), original research

Stilbene synthase gene transfer caused alterations in the phenylpropanoid metabolism of transgenic strawberry (Fragaria x ananassa)

Hanhineva K, Kokko H, Siljanen H, Rogachev I, Aharoni A & Kärenlampi SO, 2009, Journal of experimental botany, 60, 7, 2093-2106. A1 Journal article (refereed), original research

The effect of nitrogen fertilization on the activity and diversity of methanotrophs in the littoral wetland of a Boreal lake

Siljanen HMP, Saari A, Hämäläinen S, Bodrossy L, Martikainen PJ, 2009, Proceedings of 9th Conference of Finnish Environmental Sciences, 157-158. A4 Conference proceedings

Methane dynamics in the littoral zone of a boreal lake

Saari A, Siljanen H, Welti N, Nykky M, Martikainen PJ, 2007, Xiang H, Akieh MN, Vuorio A-M, Jokinen T, Sillanpää M, Eighth Finnish Conference of Environmental Sciences, 298-300. A4 Conference proceedings

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Keywords

Contrasting methanotrophic communities between upland and polygonal tundra and their link to nitrogen metabolism and methane uptake in the Western Canadian Arctic

Higher soil nitrous oxide production in landscape depressions linked to soil and hydrological legacy effects

Microbial Ecology of Permafrost Soils: Populations, Processes, and Perspectives

Microorganisms in the phyllosphere of Norway spruce controlling nitrous oxide dynamics

Targeted metagenomics using probe capture detect a larger diversity of nitrogen and methane cycling genes in complex microbial communities than traditional metagenomics

The effect of soil amendments on the greenhouse gas production in agricultural peat soils

CH4 transport in wetland plants under controlled environmental conditions - separating the impacts of phenology from environmental variables

The influence of dissolved organic matter composition on microbial degradation and carbon dioxide production in pristine subarctic rivers

Activity and abundance of methanotrophic bacteria in a northern mountainous gradient of wetlands

Radiation and temperature drive diurnal variation of aerobic methane emissions from Scots pine canopy

Winter nitrogen cycling in sediments of boreal lakes affected by browning and mining

A review of the importance of mineral nitrogen cycling in the plant-soil-microbe system of permafrost-affected soils - changing the paradigm

Bioprocess development of 2, 3-butanediol production using agro-industrial residues

Draft Genome Sequence of Bradyrhizobium denitrificans K2, Cultivated from an Air Ventilation Environment

Emissions of atmospherically reactive gases nitrous acid and nitric oxide from Arctic permafrost peatlands

Beyond the usual suspects: methanogenic communities in eastern North American peatlands are also influenced by nickel and copper concentrations

Denitrification is the major nitrous acid production pathway in boreal agricultural soils

Microbially facilitated nitrogen cycling in tropical corals

New insight to the role of microbes in the methane exchange in trees: evidence from metagenomic sequencing

Thawing Yedoma permafrost is a neglected nitrous oxide source

Atmospheric impact of nitrous oxide uptake by boreal forest soils can be comparable to that of methane uptake

Methanogenic archaea in peatlands

Nitrate removal microbiology in woodchip bioreactors: A case-study with full-scale bioreactors treating aquaculture effluents

Two-stage ultrasonic atomization of liquid using a new sprinkle approach

Archaeal nitrification is a key driver of high nitrous oxide emissions from arctic peatlands

Recovery of methane turnover and the associated microbial communities in restored cutover peatlands is strongly linked with increasing Sphagnum abundance

Microbes as Engines of Ecosystem Function: When Does Community Structure Enhance Predictions of Ecosystem Processes?

Responses of methanogenic and methanotrophic communities to warming in varying moisture regimes of two boreal fens

Environmental and microbial factors influencing methane and nitrous oxide fluxes in Mediterranean cork oak woodlands: trees make a difference

Iron flocculation stimulates biogas production in Microthrix parvicella -spiked wastewater sludge

Peatland succession induces a shift in the community composition of Sphagnum-associated active methanotrophs

Effects of nitrogen load on the function and diversity of methanotrophs in the littoral wetland of a boreal lake

Occurrence of thermotolerant Campylobacter spp. and adenoviruses in Finnish bathing waters and purified sewage effluents

Seasonal variation in the function and diversity of methanotrophs in the littoral wetland of a boreal eutrophic lake

Water dispersal of methanotrophic bacteria maintains functional methane oxidation in Sphagnum mosses

Hydrology is reflected in the functioning and community composition of methanotrophs in the littoral wetland of a boreal lake

Stilbene synthase gene transfer caused alterations in the phenylpropanoid metabolism of transgenic strawberry (Fragaria x ananassa)

The effect of nitrogen fertilization on the activity and diversity of methanotrophs in the littoral wetland of a Boreal lake

Methane dynamics in the littoral zone of a boreal lake