Joel Kostka

Duchesneau K, Aldeguer Riquelme B, Petro C, Makke G, Green MB, Tfaily MM, Wilson RM, Roth S, Johnston ER, Kluber LA, et al. 2025. Northern peatland microbial communities exhibit resistance to warming and acquire electron acceptors from soil organic matter. Nature Communications. doi:doi.org/10.1101/2024.07.17.603906.

Duchesneau K, Defrenne CE, Petro C, Malhotra A, Moore J, Childs J, Hanson PJ, Iversen CM, Kostka JE. 2024. Responses of vascular plant fine roots and associated microbial communities to whole-ecosystem warming and elevated CO2 in northern peatlands. New Phytologist . 244:1333–1347. doi:10.1111/nph.19690.

Duchesneau K, Defrenne CE, Petro C, Malhotra A, Moore J, Childs J, Hanson PJ, Iversen CM, Kostka JE. 2024. Responses of vascular plant fine roots and associated microbial communities to whole-ecosystem warming and elevated CO2 in northern peatlands. New Phytologist. 242:1333–1347. doi:10.1111/nph.19690.

Petro C, Carrell AA, Wilson RM, Duchesneau K, Noble-Kuchera S, Song T, Iversen CM, Childs J, Schwaner G, Chanton JP, et al. 2023. Climate drivers alter nitrogen availability in surface peat and decouple N2 fixation from CH4 oxidation in the Sphagnum moss microbiome. . Global Change Biology . 29:3159–76. doi:10.1111/gcb.16651.

Ofiti NOE, Schmidt MWI, Abiven S, Hanson PJ, Iversen CM, Wilson RM, Kostka JE, Wiesenberg GLB, Malhotra A. 2023. Climate warming and elevated CO2 alter peatland soil carbon sources and stability. Nature Communications . 14:7533. doi:10.1038/s41467-023-43410-z.

Baysinger MR, Wilson RM, Hanson PJ, Kostka JE, Chanton JP. 2022. Compositional stability of peat in ecosystem-scale warming mesocosms. Hui D, editor. PLOS ONE. 17(3):e0263994. doi:10.1371/journal.pone.0263994.

Kolton M, Weston DJ, Mayali X, Weber PK, McFarlane KJ, Pett-Ridge J, Somoza MM, Lietard J, Glass JB, Lilleskov EA, et al. 2022. Defining the Sphagnum Core Microbiome across the North American Continent Reveals a Central Role for Diazotrophic Methanotrophs in the Nitrogen and Carbon Cycles of Boreal Peatland Ecosystems. mBio. 13(1). doi:10.1128/mbio.03714-21.

Salmon VG, Brice DJ, Bridgham SD, Childs J, Graham JD, Griffiths NA, Hofmockel KS, Iversen CM, Jicha TM, Kolka RK, et al. 2021. Nitrogen and phosphorus cycling in an ombrotrophic peatland: a benchmark for assessing change. Plant and Soil. 466(1-2):649–674. doi:10.1007/s11104-021-05065-x.

Salmon VG, Brice DJ, Bridgham SD, Childs J, Graham JD, Griffiths NA, Hofmockel KS, Iversen CM, Jicha TM, Kolka RK, et al. 2021. Nitrogen and phosphorus cycling in an ombrotrophic peatland: a benchmark for assessing change. Plant and Soil. 466(1-2):649–674. doi:10.1007/s11104-021-05065-x.

Wilson RM, Griffiths NA, Visser A, McFarlane KJ, Sebestyen SD, Oleheiser KC, Bosman S, Hopple AM, Tfaily MM, Kolka RK, et al. 2021. Radiocarbon Analyses Quantify Peat Carbon Losses With Increasing Temperature in a Whole Ecosystem Warming Experiment. Journal of Geophysical Research: Biogeosciences. 126(11). doi:10.1029/2021jg006511.

Wilson RM, Tfaily MM, Kolton M, Johnston ER, Petro C, Zalman CM, Hanson PJ, Heyman HM, Kyle JE, Hoyt DW, et al. 2021. Soil metabolome response to whole-ecosystem warming at the Spruce and Peatland Responses under Changing Environments experiment. Proceedings of the National Academy of Sciences. 118(25). doi:10.1073/pnas.2004192118.

Hopple AM, Wilson RM, Kolton M, Zalman CM, Chanton JP, Kostka JE, Hanson PJ, Keller JK, Bridgham SD. 2020. Massive peatland carbon banks vulnerable to rising temperatures. Nature Communications. 11(1). doi:10.1038/s41467-020-16311-8.

Carrell AA, Kolton M, Glass JB, Pelletier DA, Kostka JE, Iversen CM, Weston DJ. 2019. Experimental warming alters the community composition, diversity, and N2 fixation activity of peat moss (Sphagnum fallax) microbiomes. Global Change Biology. 25(9):2993–3004. doi:10.1111/gcb.14715.

Zalman CM, Meade N, Chanton JP, Kostka JE, Bridgham SD, Keller JK. 2018. Methylotrophic methanogenesis in Sphagnum-dominated peatland soils. Soil Biology and Biochemistry. 118:156–160. doi:10.1016/j.soilbio.2017.11.025.

Zalman CM, Keller JK, Tfaily MM, Kolton M, Pfeifer-Meister L, Wilson RM, Lin X, Chanton JP, Kostka JE, Gill AL, et al. 2018. Small differences in ombrotrophy control regional-scale variation in methane cycling among Sphagnum-dominated peatlands. Biogeochemistry. 139(2):155–177. doi:10.1007/s10533-018-0460-z.

Tfaily MM, Wilson RM, Cooper WT, Kostka JE, Hanson PJ, Chanton JP. 2018. Vertical Stratification of Peat Pore Water Dissolved Organic Matter Composition in a Peat Bog in Northern Minnesota. Journal of Geophysical Research: Biogeosciences. 123(2):479–494. doi:10.1002/2017jg004007.

Wilson RM, Tfaily MM, Rich VI, Keller JK, Bridgham SD, Zalman CM, Meredith L, Hanson PJ, Hines M, Pfeifer-Meister L, et al. 2017. Hydrogenation of organic matter as a terminal electron sink sustains high CO2:CH4 production ratios during anaerobic decomposition. Organic Geochemistry. 112:22–32. doi:10.1016/j.orggeochem.2017.06.011.

Warren MJ, Lin X, Gaby JC, Kretz CB, Kolton M, Morton PL, Pett-Ridge J, Weston DJ, Schadt CW, Kostka JE, et al. 2017. Molybdenum-Based Diazotrophy in a Sphagnum Peatland in Northern Minnesota. Stams AJM, editor. Applied and Environmental Microbiology. 83(17). doi:10.1128/aem.01174-17.

Wilson RM, Hopple AM, Tfaily MM, Sebestyen SD, Schadt CW, Pfeifer-Meister L, Medvedeff CA, McFarlane KJ, Kostka JE, Kolton M, et al. 2016. Stability of peatland carbon to rising temperatures. Nature Communications. 7(1). doi:10.1038/ncomms13723.

Kostka JE, Weston DJ, Glass JB, Lilleskov EA, Shaw J, Turetsky MR. 2016. The Sphagnum microbiome: new insights from an ancient plant lineage. New Phytologist. 211(1):57–64. doi:10.1111/nph.13993.

Lin X, Tfaily MM, Steinweg JM, Chanton PR, Esson K, Yang ZK, Chanton JP, Cooper WT, Schadt CW, Kostka JE. 2014. Microbial Community Stratification Linked to Utilization of Carbohydrates and Phosphorus Limitation in a Boreal Peatland at Marcell Experimental Forest, Minnesota, USA. Lovell CR, editor. Applied and Environmental Microbiology. 80(11):3518–3530. doi:10.1128/aem.00205-14.

Lin X, Tfaily MM, Green SJ, Steinweg JM, Chanton PR, Imvittaya A, Chanton JP, Cooper WT, Schadt CW, Kostka JE. 2014. Microbial Metabolic Potential for Carbon Degradation and Nutrient (Nitrogen and Phosphorus) Acquisition in an Ombrotrophic Peatland. Lovell CR, editor. Applied and Environmental Microbiology. 80(11):3531–3540. doi:10.1128/aem.00206-14.

Tfaily MM, Cooper WT, Kostka JE, Chanton PR, Schadt CW, Hanson PJ, Iversen CM, Chanton JP. 2014. Organic matter transformation in the peat column at Marcell Experimental Forest: Humification and vertical stratification. Journal of Geophysical Research: Biogeosciences. 119(4):661–675. doi:10.1002/2013jg002492.