AminiTabrizi, R., Graf-Grachet, N., Chu, R. K., Toyoda, J. G., Hoyt, D. W., Hamdan, R., Wilson, R. M., & Tfaily, M. M. (2023). Microbial sensitivity to temperature and sulfate deposition modulates greenhouse gas emissions from peat soils. Global Change Biology, 00, 1– 20.

Ayala-Ortiz, C., N. Graf-Grachet, V. Freire-Zapata, J. Fudyma, G. Hildebrand, R. AminiTabrizi, C. Howard-Varona, Y. E. Corilo, N. Hess, M. Duhaime, M. Sullivan and M. Tfaily (2023). “MetaboDirect: An Analytical Pipeline for the processing of FTICR-MS-based Metabolomics Data.” bioRxiv: 2022.2006.2010.495699. (Accepted in Microbiome)

Kelly-Slatten, Megan; Stewart, Catherine; Tfaily, Malak; Jastrow, Julie D; Sasso, Abigail; de Graaff, Marie-Anne , “Root traits of perennial C4 grasses contribute to cultivar variations in soil chemistry and species patterns in particulate and mineral-associated carbon pool formation”, (Accepted in GCB Bioenergy)


  1. Mary-Cathrine Leewis#, Corey R Lawrence #, Marjorie S Schulz , Malak M. Tfaily , Christian Orlando Ayala-Ortiz , Gilberto E. Flores, Rachel Mackelprang, Jack W McFarland, “The influence of soil development on the depth distribution and structure of soil microbial communities”, Accepted (August 2022) Soil Biology and Biochemistry
  2. Caitlin Colleary, Shane O’Reilly, Andrei Dolocan, Jason G. Toyoda, Rosalie K. Chu, Malak M. Tfaily, Michael F. Hochella Jr., and Sterling J. Nesbitt, “Using Macro- and Microscale Preservation in Vertebrate Fossils as Predictors for Molecular Preservation in Fluvial Environments”, Accepted (August 2022) Biology
  3. Aminata Fofana*, Darya Anderson*, Carmody K McCalley, Suzanne Hodgkins, Rachel M Wilson, Dylan Cronin, Nicole Raab, Mohammad Torabi, Ruth K. Varner, Patrick Crill, Scott Saleska, Jeffrey P. Chanton, Malak M. Tfaily^, Virginia Rich^, “Mapping Substrate Use Across a Permafrost Thaw Gradient”, Accepted (August 2022) Soil Biology and Biochemistry
  4. Stegen, J., S. Fansler, M. Tfaily, V. Garayburu-Caruso, A. Goldman, R. Danczak, R. Chu, L. Renteria, J. Tagestad and J. Toyoda (2022). “Organic Matter Transformations are Disconnected Between Surface Water and the Hyporheic Zone.” Biogeosciences Discuss. 2022: 1-17.
  5. Dohnalkova, A. C., M. M. Tfaily, R. K. Chu, A. P. Smith, C. J. Brislawn, T. Varga, A. R. Crump, L. Kovarik, L. S. Thomashow, J. B. Harsh, C. K. Keller and Z. Balogh-Brunstad (2022). “Effects of Microbial-Mineral Interactions on Organic Carbon Stabilization in a Ponderosa Pine Root Zone: A Micro-Scale Approach.” Frontiers in Earth Science 10.
  6. Yang, Y.-Y., M. M. Tfaily, J. L. Wilmoth and G. S. Toor (2022). “Molecular Characterization of Dissolved Organic Nitrogen and Phosphorus in Agricultural Runoff and Surface Waters.” Water Research: 118533.
  7. Wilhelm, R. C., L. Lynch, T. M. Webster, S. Schweizer, T. M. Inagaki, M. M. Tfaily, R. Kukkadapu, C. Hoeschen, D. H. Buckley and J. Lehmann (2022). “Susceptibility of new soil organic carbon to mineralization during dry-wet cycling in soils from contrasting ends of a precipitation gradient.” Soil Biology and Biochemistry 169: 108681.
  8. Honeker, L. K.; Hildebrand, G. A.; Fudyma, J. D.; Daber, L. E.; Hoyt, D.; Flowers, S. E.; Gil-Loaiza, J.; Kübert, A.; Bamberger, I.; Anderton, C. R.; Cliff, J.; Leichty, S.; AminiTabrizi, R.; Kreuzwieser, J.; Shi, L.; Bai, X.; Velickovic, D.; Dippold, M. A.; Ladd, S. N.; Werner, C.; Meredith, L. K.; Tfaily, M. M. Elucidating Drought-Tolerance Mechanisms in Plant Roots through 1H NMR Metabolomics in Parallel with MALDI-MS, and NanoSIMS Imaging Techniques. Environmental Science & Technology 2022.
  9. Rachel M. Wilson, Moira A. Hough, Brittany A. Verbeke, Suzanne B. Hodgkins, IsoGenie Coordinators, Jeff P. Chanton, Scott D. Saleska, Virginia I. Rich, and Malak M. Tfaily, “Plant organic matter inputs exert a strong control on soil organic matter decomposition pathways in a thawing permafrost peatland”, (2021) Science of The Total Environment Accepted
  10. Tayte P Campbell, Danielle E. M. Ulrich, Jason Toyoda, Jaron Thompson, Brian Munsky, Michaeline B. N. Albright, Vanessa Bailey, Malak M Tfaily, John Dunbar, “Microbial communities influence soil dissolved organic carbon concentration by altering metabolite composition”, Frontiers in Microbiology, section Microbiological Chemistry and Geomicrobiology, (2021) Accepted
  11. Anna M. Cates, Andrea Jilling, Malak M. Tfaily, Randall D. Jackson, “Temperature and moisture alter organic matter composition across soil fractions”, March 2022, Geoderma 409(3):115628 DOI:10.1016/j.geoderma.2021.115628
  12. Laura K Meredith and Malak M. Tfaily, “Capturing the microbial volatilome: An oft overlooked “ome”“, Trends in Microbiology, (2021) Accepted
  13. Moira Hough*, Samantha McCabe, S. Rose Vining, Emily Pickering Pedersen, Rachel M. Wilson, Ryan Lawrence, Kuang-Yu Chang, Gil Bohrer, The IsoGenie Coordinators, William J. Riley, Patrick Crill, Ruth K. Varner, Steven J. Blazewicz, Ellen Dorrepaal, Malak M. Tfaily*, Scott R. Saleska*, Virginia Rich* “Coupling plant litter quantity to a novel metric for litter quality explains C storage changes in a thawing permafrost peatland” (2021) Global Change Biology Accepted
  14. Rachel M. Wilson, Natalie A. Griffiths, Ate Visser, Karis J. McFarlane, Stephen D. Sebestyen, Keith C. Oleheiser, Samantha Bosman, Anya M. Hopple, Malak M. Tfaily, Randall K. Kolka, Paul J. Hanson, Joel E. Kostka, Scott D. Bridgham, Jason K. Keller, and Jeffrey P. Chanton “Radiocarbon analyses quantify peat carbon losses with increasing temperature in a whole ecosystem warming experiment” (2021) JGR Biogeosciences
  15. Werner, C., K. Meredith Laura, S. N. Ladd, J. Ingrisch, A. Kübert, J. van Haren, M. Bahn, K. Bailey, I. Bamberger, M. Beyer, D. Blomdahl, J. Byron, E. Daber, J. Deleeuw, A. Dippold Michaela, J. Fudyma, J. Gil-Loaiza, K. Honeker Linnea, J. Hu, J. Huang, T. Klüpfel, J. Krechmer, J. Kreuzwieser, K. Kühnhammer, M. Lehmann Marco, K. Meeran, K. Misztal Pawel, W.-R. Ng, E. Pfannerstill, G. Pugliese, G. Purser, J. Roscioli, L. Shi, M. Tfaily and J. Williams (2021). “Ecosystem fluxes during drought and recovery in an experimental forest.” Science 374(6574): 1514-1518.
  16. Zhao, Q., A. M. Thompson, S. J. Callister, M. M. Tfaily, S. L. Bell, S. E. Hobbie and K. S. Hofmockel (2022). “Dynamics of organic matter molecular composition under aerobic decomposition and their response to the nitrogen addition in grassland soils.” Science of The Total Environment 806: 150514.
  17. Mohammed Baalousha, Mithun Sikder, Brett A. Poulin, Malak M.Tfaily, NancyHess, “Natural organic matter composition and nanomaterial surface coating determine the nature of platinum nanomaterial-natural organic matter corona (2021) Science of The Total Environment Accepted
  18. Patel, K. F., A. P. Smith, B. Bond-Lamberty, S. J. Fansler, M. M. Tfaily, L. Bramer, T. Varga and V. L. Bailey (2021). “Spatial access and resource limitations control carbon mineralization in soils.” Soil Biology and Biochemistry 162: 108427.
  19. Neurath, R. A., J. Pett-Ridge, I. Chu-Jacoby, D. Herman, T. Whitman, P. S. Nico, A. S. Lipton, J. Kyle, M. M. Tfaily, A. Thompson and M. K. Firestone (2021). “Root Carbon Interaction with Soil Minerals Is Dynamic, Leaving a Legacy of Microbially Derived Residues.” Environmental Science & Technology 55(19): 13345-13355.
  20. Raczka, N. C., J. Piñeiro, M. M. Tfaily, R. K. Chu, M. S. Lipton, L. Pasa-Tolic, E. Morrissey and E. Brzostek (2021). “Interactions between microbial diversity and substrate chemistry determine the fate of carbon in soil.” Scientific Reports 11(1): 19320.
  21. AminiTabrizi, R., K. Dontsova, N. Graf Grachet and M. M. Tfaily (2022). “Elevated temperatures drive abiotic and biotic degradation of organic matter in a peat bog under oxic conditions.” Science of The Total Environment 804: 150045.
  22. Buzzard, V., J. Gil-Loaiza, N. Graf Grachet, H. Talkington, C. Youngerman, M. M. Tfaily and L. K. Meredith (2021). “Green infrastructure influences soil health: Biological divergence one year after installation.” Science of The Total Environment 801: 149644.
  23. Bahureksa, William; Tfaily, Malak M.; Boiteau, Rene; Young, Robert; Logan, Merritt; McKenna, Amy; Borch, Thomas, ” Soil Organic Matter Characterization by Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (FTICR MS): A Critical Review of Sample Preparation, Analysis, and Data Interpretation, accepted (2021) Environmental Science & Technology
  24. Honeker, L. K.; Graves, K. R.; Tfaily, M. M.; Krechmer, J. E.; Meredith, L. K. The Volatilome: A Vital Piece of the Complete Soil Metabolome. Frontiers in Environmental Science 2021, 9, 113.
  25. Lin, Y.; Campbell, A. N.; Bhattacharyya, A.; DiDonato, N.; Thompson, A. M.; Tfaily, M. M.; Nico, P. S.; Silver, W. L.; Pett-Ridge, J. Differential effects of redox conditions on the decomposition of litter and soil organic matter. Biogeochemistry 2021, 154, 1-15.
  26. Naughton, H.R., Keiluweit, M., Tfaily, M.Met al. Development of energetic and enzymatic limitations on microbial carbon cycling in soils. Biogeochemistry 153, 191–213 (2021).
  27. Rachel M. Wilson; Tfaily, M.M.; Kolton, M.; Johnston, E. R.; Petro, C.; Zalman, C. A.; Hanson, P. J.; Heyman, H. M.; Kyle, J. E.; Hoyt, D. W.; Eder, E. K.; Purvine, S. O.; Kolka, R. K.; Sebestyen, S. D.; Griffiths, N. A.; Schadt, C. W.; Keller, J. K.; Bridgham, S. D.; Chanton, J. P.; Kostka, J. E. Soil metabolome response to whole-ecosystem warming at the Spruce and Peatland Responses under Changing Environments experiment. Proceedings of the National Academy of Sciences (2021), 118, e2004192118.Wilson and Tfaily contributed equally to this manuscript
  28. McGivern, B. B.; Tfaily, M. M.; Borton, M. A.; Kosina, S. M.; Daly, R. A.; Nicora, C. D.; Purvine, S. O.; Wong, A. R.; Lipton, M. S.; Hoyt, D. W.; Northen, T. R.; Hagerman, A. E.; Wrighton, K. C. Decrypting bacterial polyphenol metabolism in an anoxic wetland soil. Nature Communications2021, 12, 2466.
  29. Li, H., T. Bölscher, M. Winnick, M. M. Tfaily, Z. G. Cardon and M. Keiluweit (2021). “Simple Plant and Microbial Exudates Destabilize Mineral-Associated Organic Matter via Multiple Pathways.” Environmental Science & Technology 55(5): 3389-3398.
  30. Waldo, N.B., Tfaily, M.M., Anderton, C. et al. The importance of nutrients for microbial priming in a bog rhizosphere. Biogeochemistry (2021).
  31. Wilson RM, Zayed AA, Crossen KB, Woodcroft B, Tfaily, M.M., et al. (2021) Functional capacities of microbial communities to carry out large scale geochemical processes are maintained during ex situ anaerobic incubation. PLOS ONE 16(2): e0245857.
  32. Fudyma, J. D., Toyoda, J. G., Chu, R. K., Weitz, K. K., Heyman, H. M., Eder, E., Tfaily, M.M. (2021). Sequential abiotic‐biotic processes drive organic carbon transformation in peat bogs. Journal of Geophysical Research: Biogeosciences, 126
  33. Fudyma, J. D., R. K. Chu, N. Graf Grachet, J. C. Stegen and Tfaily, M.M. (2021). “Coupled Biotic-Abiotic Processes Control Biogeochemical Cycling of Dissolved Organic Matter in the Columbia River Hyporheic Zone.” Frontiers in Water 2: 78.


  1. Danczak, R. E., R. K. Chu, S. J. Fansler, A. E. Goldman, E. B. Graham, M. M. Tfaily, J. Toyoda and J. C. Stegen (2020). “Using metacommunity ecology to understand environmental metabolomes.” Nature Communications 11(1): 6369.
  2. LaCroix, R. E., N. Walpen, M. Sander, M. M. Tfaily, J. L. Blanchard and M. Keiluweit (2021). “Long-Term Warming Decreases Redox Capacity of Soil Organic Matter.” Environmental Science & Technology Letters 8(1): 92-97.
  3. Joshi, S.R., Morris, J.W., Tfaily, M.M. et al. Low soil phosphorus availability triggers maize growth stage specific rhizosphere processes leading to mineralization of organic P. Plant Soil (2021).
  4.  Bolduc, B., Hodgkins, S.B., Varner, R.K., Crill, P.M., McCalley, C.K., Chanton, J.P., Tyson, G.W., Riley, W.J., Palace, M., Duhaime, M.B, Hough, M.A., IsoGenie Project Coordinators, IsoGenie Project Team (including Tfaily, M.M)), A2A Project Team, Saleska, S.R, Sullivan, M.B., Rich, V.I. (2020). The IsoGenie database: an interdisciplinary data management solution for ecosystems biology and environmental research. PeerJ. 8:e9467
  5. Mithun Sikder,Jingjing Wang,A. Poulin, Malak M. Tfaily, Mohammed Baalousha, “Nanoparticle size and natural organic matter composition determine aggregation behavior of polyvinylpyrrolidone coated platinum nanoparticles”, Environmental Science: Nano (2020),
  6. Cooper, W. T., J. C. Chanton, J. D’Andrilli, S. B. Hodgkins, D. C. Podgorski, A. C. Stenson, M. M. Tfaily and R. M. Wilson (2020). “A History of Molecular Level Analysis of Natural Organic Matter by Fticr Mass Spectrometry and The Paradigm Shift in Organic Geochemistry.” Mass Spec Rev. 2020; 1– 25.
  7. AminiTabrizi, R., R. M. Wilson, J. D. Fudyma, S. B. Hodgkins, H. M. Heyman, V. I. Rich, S. R. Saleska, J. P. Chanton and M. M. Tfaily (2020). “Controls on Soil Organic Matter Degradation and Subsequent Greenhouse Gas Emissions Across a Permafrost Thaw Gradient in Northern Sweden.” Frontiers in Earth Science 8: 381.
  8. Xu, J., S. S. Roley, M. M. Tfaily, R. K. Chu and J. M. Tiedje (2020). “Organic amendments change soil organic C structure and microbial community but not total organic matter on sub-decadal scales.” Soil Biology and Biochemistry 150: 107986.
  9. Rue, G. P., J. P. Darling, E. Graham, M. M. Tfaily and D. M. McKnight (2020). “Dynamic changes in dissolved organic matter composition in a Mountain Lake under ice cover and relationships to changes in nutrient cycling and phytoplankton community composition.” Aquatic Sciences 82(1).
  10. Lybrand, RA, Fedenko, J, Tfaily, M, Rao, S. Soil properties and biochemical composition of ground‐dwelling bee nests in agricultural settings. Soil Sci. Soc. Am. J. 2020; 84: 1139– 1152.
  11. Zhao, Q., S. J. Callister, A. M. Thompson, R. K. Kukkadapu, M. M. Tfaily, L. M. Bramer, N. P. Qafoku, S. L. Bell, S. E. Hobbie, E. W. Seabloom, E. T. Borer and K. S. Hofmockel (2020). “Strong mineralogic control of soil organic matter composition in response to nutrient addition across diverse grassland sites.” Science of The Total Environment: 137839.


  1. Fudyma, J. D., J. Lyon, R. AminiTabrizi, H. Gieschen, R. K. Chu, D. W. Hoyt, J. E. Kyle, J. Toyoda, N. Tolic, H. M. Heyman, N. J. Hess, T. O. Metz and M. M. Tfaily (2019). “Untargeted metabolomic profiling of Sphagnum fallax reveals novel antimicrobial metabolites.” Plant Direct 3(11): e00179.
  2. Saup, C. M., S. R. Bryant, A. R. Nelson, K. D. Harris, A. H. Sawyer, J. N. Christensen, M. M. Tfaily, K. H. Williams and M. J. Wilkins (2019). “Hyporheic Zone Microbiome Assembly Is Linked to Dynamic Water Mixing Patterns in Snowmelt-Dominated Headwater Catchments.” Journal of Geophysical Research: Biogeosciences n/a(n/a).
  3. Kane, E. S., Veverica, T. J., Tfaily, M. M., Lilleskov, E. A., Meingast, K. M., Kolka, R. K., et al. ( 2019). Reduction‐oxidation potential and dissolved organic matter composition in northern peat soil: Interactive controls of water table position and plant functional groups. Journal of Geophysical Research: Biogeosciences, 124.
  4. Sengupta, A., J. Indivero, C. Gunn, M. M. Tfaily, R. K. Chu, J. Toyoda, V. L. Bailey, N. D. Ward and J. C. Stegen (2019). “Spatial gradients in the characteristics of soil-carbon fractions are associated with abiotic features but not microbial communities.” Biogeosciences 16(19): 3911-3928.
  5. Nunez, J. R., S. M. Colby, D. G. Thomas, M. M. Tfaily, N. Toliċ, E. M. Ulrich, J. R. Sobus, T. O. Metz, J. G. Teeguarden and R. S. Renslow (2019). “Evaluation of In Silico Multi‐Feature Libraries for Providing Evidence for the Presence of Small Molecules in Synthetic Blinded Samples.” Journal of Chemical Information and Modeling.
  6. LaCroix, R. E., M. M. Tfaily, M. McCreight, M. E. Jones, L. Spokas and M. Keiluweit (2019). “Shifting mineral and redox controls on carbon cycling in seasonally flooded mineral soils.” Biogeosciences 16(13): 2573-2589.
  7. Garcia Arredondo, M., C. R. Lawrence, M. S. Schulz, M. M. Tfaily, R. Kukkadapu, M. E. Jones, K. Boye and M. Keiluweit (2019). “Root-driven weathering impacts on mineral-organic associations in deep soils over pedogenic time scales.” Geochimica et Cosmochimica Acta 263: 68-84.
  8. Stegen J C ; Goldman A E ; Chu R K ; Danczak R E ; Garayburu-Caruso V A ; Graham E B ; Lin X ; Morad J W ; Ren H ; Renteria L ; Resch C T ; Tfaily M ; Tolic N ; Toyoda J G ; Wells J R (2019): WHONDRS 48 Hour Diel Cycling Study at HJ Andrews Experimental Forest Watershed 1 (WS1). Worldwide Hydrobiogeochemistry Observation Network for Dynamic River Systems (WHONDRS). doi:10.15485/1509695
  9. Saup C ; Bryant S ; Nelson A ; Harris K ; Sawyer A ; Christensen J ; Tfaily M ; Williams K ; Wilkins M (2019): Depth-resolved seasonal porewater chemistry measurements from 3 locations around Meander A of the East River, Colorado. Seasonal controls on dynamic hyporheic zone redox biogeochemistry. doi:10.15485/1504779
  10. Shen, Y., R. Zhao, N. Tolic, M. Tfaily, E. W. Robinson, R. Boiteau, l. Pasa-Tolic and N. J. Hess (2019). “Online supercritical fluid extraction mass spectrometry (SFE-LC-FTMS) for sensitive characterization of soil organic matter.” Faraday Discussions.
  11. Hopple, A. M., L. Pfeifer-Meister, C. A. Zalman, J. K. Keller, M. M. Tfaily, R. M. Wilson, J. P. Chanton and S. D. Bridgham (2019). “Does dissolved organic matter or solid peat fuel anaerobic respiration in peatlands?” Geoderma 349: 79-87.
  12. Geremy Clair, Sarah Reehl, Kelly G Stratton, Matthew E Monroe, Malak M Tfaily, Charles Ansong, Jennifer E Kyle, Lipid Mini-On: Mining and ontology tool for enrichment analysis of lipidomic data, Bioinformatics, 2019, btz250,
  13. Zhou, C., Y. Liu, C. Liu, Y. Liu and M. M. Tfaily (2019). “Compositional changes of dissolved organic carbon during its dynamic desorption from hyporheic zone sediments.” Science of The Total Environment 658: 16-23.
  14. Rivas-Ubach, A., Liu, Y., Steiner, A.L., Sardans, J., Tfaily, M.M., Kulkarni, G., Kim, Y., Bourrianne, E., Paša-Tolić, L., Peñuelas, J., Guenther, A. Atmo-ecometabolomics: a novel atmospheric particle chemical characterization methodology for ecological research. Environ Monit Assess (2019) 191: 78
  15. Tfaily, M. M., Wilson, R. M., Brewer, H. M., Chu, R. K., Heyman, H. M., Hoyt, D. W., Kyle, J. E., Purvine, S. O. Single-throughput Complementary High-resolution Analytical Techniques for Characterizing Complex Natural Organic Matter Mixtures. J. Vis. Exp. (143), (2019).


  1. Boye, K., A. M. Herrmann, M. V. Schaefer, M. M. Tfaily and S. Fendorf (2018). “Discerning Microbially Mediated Processes During Redox Transitions in Flooded Soils Using Carbon and Energy Balances.” Frontiers in Environmental Science 6: 15.
  2. Stegen J C ; Goldman A E ; Blackburn S E ; Chu R K ; Danczak R E ; Garayburu-Caruso V A ; Graham E B ; Grieshauber C ; Lin X ; Morad J W ; Ren H ; Renteria L ; Resch C T ; Tfaily M ; Tolic N ; Toyoda J G ; Wells J R ; Znotinas K R (2018): WHONDRS Surface Water Sampling for Metabolite Biogeography. Worldwide Hydrobiogeochemistry Observation Network for Dynamic River Systems (WHONDRS). doi:10.15485/1484811
  3. Davis J ; Fox P ; Heckman K ; Nico P ; Tfaily M (2018): Characterization of Natural Organic Matter in Low-Carbon Sediments. Watershed Function SFA. doi:10.21952/WTR/1470442
  4. Amrita Bhattacharyya, Ashley N. Campbell, Malak M. Tfaily, Yang Lin, Ravi K. Kukkadapu, Whendee L. Silver, Peter S. Nico, and Jennifer Pett-Ridge. Redox Fluctuations Control the Coupled Cycling of Iron and Caron in Tropical Forest Soils. Environmental Science & Technology 2018 52 (24), 14129-14139.
  5. Tfaily, M. M., N. J. Hess; A. Koyama, R. D. Evans (2018) Elevated [CO2] changes soil organic matter composition and substrate diversity in an arid ecosystem, Geoderma
  6. Tfaily, M. M., N. J. Hess; A. Koyama, R. D. Evans (2018) Elevated [CO2] changes soil organic matter composition and substrate diversity in an arid ecosystem, Geoderma
  7. Qiuming Yao, Zhou Li, Yang Song, S. Joseph Wright, Xuan Guo, Susannah G. Tringe, Malak M. Tfaily, Ljiljana Paša-Tolić,Terry C. Hazen, Benjamin L. Turner, Melanie A. Mayes & Chongle Pan (2018), “Community proteogenomics reveals the systemic impact of phosphorus availability on microbial functions in tropical soil”, Nature Ecology & Evolution
  8. Liguang Li, Zhenli, L.He, Malak M.Tfaily, Patrick Inglett, Peter J.Stoffella, (2018) Spatial-temporal variations of dissolved organic nitrogen molecular composition in agricultural runoff water, Water research.
  9. Rachel Wilson & Malak M. Tfaily, Advanced Molecular Techniques Provide New Rigorous Tools for Characterizing Organic Matter Quality in Complex Systems (2018), JGR.
  10. Emily B. Graham, Alex R. Crump, David W. Kennedy,  Evan Arntzen, Sarah Fansler, Samuel O. Purvine, Carrie D. Nicora, William Nelson, MALAK M. TFAILY, James C. Stegen,” Multi omics comparison reveals metabolome biochemistry, not microbiome composition or gene expression, corresponds to elevated biogeochemical function in the hyporheic zone”, JGR
  11. Reynolds LL, K Lajtha, M. Tfaily, BR Johnson, SD Bridgham, and RD Bowden (2018). “Insights into soil C cycling from long-term input-manipulation and high-resolution mass spectrometry.” JGR
  12. James C. Stegen, Tim Johnson, James K. Fredrickson, Michael J. Wilkins, Allan E. Konopka, William C. Nelson, Evan V. Arntzen, William B. Chrisler, Rosalie K. Chu, Sarah J. Fansler, Emily B. Graham, David W. Kennedy, Charles T. Resch, M. Tfaily, and John Zachara (2018), “Influences of Organic-C Speciation on Hyporheic Corridor Biogeochemistry and Microbial Ecology”; Nature Communication
  13. Tfaily, M. M, Wilson Rachel, Kostka, Joel, Chanton Jeff 2018, “Vertical Stratification of Peat Pore Water Dissolved Organic Matter composition in a peat bog in Northern Minnesota”; JGR
  14. Bottos E M,Romero E B,Bramer L M,Fansler S J,Brown J M,Kennedy D W,Chu R K, M. Tfaily ,Jansson J K,Stegen J C 2018. “Dispersal limitation and thermodynamic constraints govern permafrost community structure and function” FEMS Microbiol Ecol.
  15. Pracht, L, M. Tfaily, Robert J. Ardissono, Rebecca B. Neumann (2018) “Molecular characterization of organic matter mobilized from Bangladeshi aquifer sediment: tracking carbon compositional change during microbial utilization” Biogeosciences
  16. Zalman, J.K. Keller, M. M. Tfaily, L. Pfeifer-Meister, R.M. Wilson, M. Kolton, X. Lin, J. Chanton, J.E. Kostka, A. Gill, A. Finzi, A. M. Hopple, B. J. M. Bohannan, and S.D. Bridgham (2018). “Small differences in ombrotrophy control regional-scale variation in methane cycling among Sphagnum¬-dominated peatlands” Biogeochemistry


  1. Smith, A. P, B. Bond-Lamberty, B. W. Benscoter, M. M. Tfaily, R. Hinkle, C. Liu, and V. L. Bailey. (2017). “Shifts in pore connectivity from precipitation versus groundwater rewetting increases soil carbon loss after drought.” Nature Communications 8, 1335
  2. Graham E B, M. Tfaily, Crump A R,Goldman A E,Arntzen E V,Romero E B,Resch C T,Kennedy D W,Stegen J C 2017. “Riparian vegetation limits oxidation of thermodynamically unfavorable bound-carbon stocks along an aquatic interface” JGR
  3. Boye, K., V. Noel, M. Tfaily, S. E. Bone, K. H. Williams, J. R. Bargar and S. Fendorf (2017). “Thermodynamically controlled preservation of organic carbon in floodplains.” Nature Geosci 10(6): 415-419.
  4. Orton D J, M. Tfaily, Moore R J,Lamarche B L,Zheng X ,Fillmore T L,Chu R K,Weitz K K,Monroe M E,Kelly R T,Smith R D,Baker E M 2017. “A Customizable Flow Injection System for Automated, High Throughput and Time Sensitive Ion Mobility Spectrometry and Mass Spectrometry Measurements” Analytical Chemistry A Customizable Flow Injection System for Automated, High Throughput and Time Sensitive Ion Mobility Spectrometry and Mass Spectrometry Measurements” Analytical Chemsitry.
  5. Tfaily, M. M.*, Wilson, R. M.*, , V. I. Rich, J. K. Keller, S. D. Bridgham, C. M. Zalman, L. Meredith, P. J. Hanson, M. Hines, L. Pfeifer-Meister, S. R. Saleska, P. Crill, W. T. Cooper, J. P. Chanton and J. E. Kostka (2017). “Hydrogenation of organic matter as a terminal electron sink sustains high CO2:CH4 production ratios during anaerobic decomposition.” Organic Geochemistry 112(Supplement C): 22-32.
  6. Tfaily, M. M., R. K. Chu, J. Toyoda, N. Tolić, E. W. Robinson, L. Paša-Tolić and N. J. Hess (2017). “Sequential extraction protocol for organic matter from soils and sediments using high resolution mass spectrometry.” Analytica Chimica Acta 972: 54-61.
  7. Dohnalkova, A.C.; M. Tfaily.; Smith, A.P.; Chu, R.K.; Crump, A.R.; Brislawn, C.J.; Varga, T.; Shi, Z.; Thomashow, L.S.; Harsh, J.B.; Keller, C.K. (2017). “Molecular and Microscopic Insights into the Formation of Soil Organic Matter in a Red Pine Rhizosphere”. Soils 1, 4
  8. Staley, C., A. P. Ferrieri, M. Tfaily, Y. Cui, R. K. Chu, P. Wang, J. B. Shaw, C. K. Ansong, H. Brewer, A. D. Norbeck, M. Markillie, F. do Amaral, T. Tuleski, T. Pellizzaro, B. Agtuca, R. Ferrieri, S. G. Tringe, L. Paša-Tolić, G. Stacey and M. J. Sadowsky (2017). “Diurnal cycling of rhizosphere bacterial communities is associated with shifts in carbon metabolism.” Microbiome 5(1): 65.
  9. Dalcin Martins, P., D. W. Hoyt, S. Bansal, C. T. Mills, M. Tfaily, B. A. Tangen, R. G. Finocchiaro, M. D. Johnston, B. C. McAdams, M. J. Solensky, G. J. Smith, Y.-P. Chin and M. J. Wilkins (2017). “Abundant carbon substrates drive extremely high sulfate reduction rates and methane fluxes in Prairie Pothole Wetlands.” Global Change Biology 23(8): 3107-3120.
  10. Rue, G. P., N. D. Rock, R. S. Gabor, J. Pitlick, M. Tfaily and D. M. McKnight (2017). “Concentration-discharge relationships during an extreme event: Contrasting behavior of solutes and changes to chemical quality of dissolved organic material in the Boulder Creek Watershed during the September 2013 flood.” Water Resources Research 53(7): 5276-5297.
  11. Bailey, V. L., A. P. Smith, M. M. Tfaily, S. J. Fansler and B. Bond-Lamberty (2017). “Differences in soluble organic carbon chemistry in pore waters sampled from different pore size domains.” Soil Biology and Biochemistry 107(Supplement C): 133-143.
  12. Walker, L. R., M. Tfaily, J. B. Shaw, N. J. Hess, L. Pasa-Tolic and D. W. Koppenaal (2017). “Unambiguous identification and discovery of bacterial siderophores by direct injection 21 Tesla Fourier transform ion cyclotron resonance mass spectrometry.” Metallomics 9(1): 82-92
  13. Tolic, M. M. Tfaily, Y. Shen, R. Chu, T. Fillmore, R. Zhao, K. Bloodsworth, E. Robinson, L. Pasa-Tolic, N.J. Hess, Soil Organic Matter (SOM): Mass Spectrometry Data Analysis, Encyclopedia of Soil Science, Third Edition, CRC Press2016, pp. 2154-2158.
  14. M. Tfaily, Y. Shen, N. Tolic, J. Kyle, R. Chu, T. Fillmore, R. Zhao, K. Bloodsworth, E. Robinson, L. Pasa-Tolic, N.J. Hess, Soil Organic Matter (SOM): Solvent-Based High Resolution Mass Spectrometry, Encyclopedia of Soil Science, Third Edition, CRC Press2016, pp. 2176-2179.
  15. Tolić N, Liu Y, Liyu A, Shen Y, Tfaily MM, Kujawinski EB, Longnecker K, Kuo LJ, Robinson EW, Paša-Tolić L, Hess NJ. Formularity: Software for Automated Formula Assignment of Natural and Other Organic Matter from Ultrahigh-Resolution Mass Spectra. Anal Chem. 2017 Dec 5;89(23):12659-12665. doi: 10.1021/acs.analchem.7b03318. Epub 2017 Nov 21. PMID: 29120613.


  1. Wilson, R. M., A. M. Hopple, M. M. Tfaily, S. D. Sebestyen, C. W. Schadt, L. Pfeifer-Meister, C. Medvedeff, K. J. McFarlane, J. E. Kostka, M. Kolton, R. K. Kolka, L. A. Kluber, J. K. Keller, T. P. Guilderson, N. A. Griffiths, J. P. Chanton, S. D. Bridgham and P. J. Hanson (2016). “Stability of peatland carbon to rising temperatures.”  Nature Comm 7: 13723.
  2. Wilson R ; Hopple A ; Tfaily M ; Sebestyen S ; Schadt C ; Pfeifer-Meister L ; Medvedeff C ; McFarlane K ; Kostka J ; Kolton M ; Kolka R ; Kluber L (2016): SPRUCE Stability of Peatland Carbon to Rising Temperatures: Supporting Data. Spruce and Peatland Responses Under Changing Environments. doi:10.3334/CDIAC/SPRUCE.026
  3. Stegen, J. C., A. H. Hurlbert, B. Bond-Lamberty, X. Chen, C. G. Anderson, R. K. Chu, F. Dini-Andreote, S. J. Fansler, N. J. Hess and M. M. Tfaily (2016). “Aligning the Measurement of Microbial Diversity with Macroecological Theory.” Frontiers in Microbiology 7: 1487.
  4. Stegen, J. C., J. K. Fredrickson, M. J. Wilkins, A. E. Konopka, W. C. Nelson, E. V. Arntzen, W. B. Chrisler, R. K. Chu, R. E. Danczak, S. J. Fansler, D. W. Kennedy, C. T. Resch and M. M. Tfaily (2016). “Groundwater–surface water mixing shifts ecological assembly processes and stimulates organic carbon turnover.”  7: 11237.
  5. Hodgkins, S. B., M. Tfaily, D. C. Podgorski, C. K. McCalley, S. R. Saleska, P. M. Crill, V. I. Rich, J. P. Chanton and W. T. Cooper (2016). “Elemental composition and optical properties reveal changes in dissolved organic matter along a permafrost thaw chronosequence in a subarctic peatland.” Geochimica et Cosmochimica Acta 187: 123-140.


  1. Tfaily, M. M., R. K. Chu, N. Tolić, K. M. Roscioli, C. R. Anderton, L. Paša-Tolić, E. W. Robinson and N. J. Hess (2015). “Advanced Solvent Based Methods for Molecular Characterization of Soil Organic Matter by High-Resolution Mass Spectrometry.” Analytical Chemistry 87(10): 5206-5215.
  2. Tfaily, M. M., J. E. Corbett, R. Wilson, J. P. Chanton, P. H. Glaser, K. M. Cawley, R. Jaffé and W. T. Cooper (2015). “Utilization of PARAFAC-Modeled Excitation-Emission Matrix (EEM) Fluorescence Spectroscopy to Identify Biogeochemical Processing of Dissolved Organic Matter in a Northern Peatland.” Photochemistry and Photobiology 91(3): 684-695.
  3. Corbett, J. E., M. Tfaily, D. J. Burdige, P. H. Glaser and J. P. Chanton (2015). “The relative importance of methanogenesis in the decomposition of organic matter in northern peatlands.” Journal of Geophysical Research: Biogeosciences 120(2): 280-293.
  4. Holmes, M. E., J. P. Chanton, M. Tfaily and A. Ogram (2015). “CO2 and CH4 isotope compositions and production pathways in a tropical peatland.” Global Biogeochemical Cycles 29(1): 1-18.


  1. Tfaily, M. M., W. T. Cooper, J. E. Kostka, P. R. Chanton, C. W. Schadt, P. J. Hanson, C. M. Iversen and J. P. Chanton (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.
  2. Hodgkins, S. B., M. M. Tfaily, C. K. McCalley, T. A. Logan, P. M. Crill, S. R. Saleska, V. I. Rich and J. P. Chanton (2014). “Changes in peat chemistry associated with permafrost thaw increase greenhouse gas production.” Proceedings of the National Academy of Sciences 111(16): 5819-5824.
  3. Lin, X., M. M. Tfaily, J. M. Steinweg, P. Chanton, K. Esson, Z. K. Yang, J. P. Chanton, W. Cooper, C. W. Schadt and J. E. Kostka (2014). “Microbial Community Stratification Linked to Utilization of Carbohydrates and Phosphorus Limitation in a Boreal Peatland at Marcell Experimental Forest, Minnesota, USA.” Applied and Environmental Microbiology 80(11): 3518-3530.
  4. Lin, X., M. M. Tfaily, S. J. Green, J. M. Steinweg, P. Chanton, A. Imvittaya, J. P. Chanton, W. Cooper, C. Schadt and J. E. Kostka (2014). “Microbial Metabolic Potential for Carbon Degradation and Nutrient (Nitrogen and Phosphorus) Acquisition in an Ombrotrophic Peatland.” Applied and Environmental Microbiology 80(11): 3531-3540.


  1. Tfaily, M. M., R. Hamdan, J. E. Corbett, J. P. Chanton, P. H. Glaser and W. T. Cooper (2013). “Investigating dissolved organic matter decomposition in northern peatlands using complimentary analytical techniques.” Geochimica et Cosmochimica Acta 112(Supplement C): 116-129.
  2. Corbett, J. E., M. Tfaily., Burdige, D. J. ,Cooper, W. T., Glaser, P. H., Chanton, J. P. (2013), Partitioning pathways of CO2 production in peatlands with stable carbon isotopes. Biogeochemistry 114, 327-340
  3. Elizabeth Corbett, J., D. J. Burdige, M. Tfaily, A. R. Dial, W. T. Cooper, P. H. Glaser and J. P. Chanton (2013). “Surface production fuels deep heterotrophic respiration in northern peatlands.” Global Biogeochemical Cycles 27(4): 1163-1174.
  4. Cooper, W. T., M. Tfaily, Corbett, J. E., Chanton, J. P. (2013) Correlating bulk optical spectroscopy and ultrahigh-resolution mass spectrometry to determine the molecular composition of dissolved organic matter in Northern peatlands, in: Functions of natural organic matter in changing environment, edited by: Jiaming XU, Jianjun Wu, and Yan He Springer (2013)


  1. Lin X, Green S, M. Tfaily, Prakash, O., Konstantinidis, K.T., Corbett, J. E., Chanton, J. P., Cooper, W. T., Kostka, J. E. (2012)  Microbial community structure and activity linked to contrasting biogeochemical gradients in bog and fen environments of the Glacial Lake Agassiz Peatland. Appl Environ Microbiol 78(19):7023-31
  2. Tfaily, M. M, Hodgkins, S., Podgorski, D., Chanton, J. P., Cooper, W. T. (2012) Comparison of Dialysis and Solid-phase Extraction for Isolation and Concentration of Dissolved Organic Matter Prior to Fourier Transform Ion Cyclotron Resonance Mass Spectrometry, Anal Bioanal Chem 404:447–457


  1. Tfaily, M. M, Podgorski, D., Corbett, J. E., Chanton, J. P., Cooper, W. T. (2011) Influence of acidification on the optical properties and molecular composition of dissolved organic matter, Analytica Chimica Acta 706, 261-267


  1. Tfaily, M. M., D’Andrilli, J., Corbett, E., Chanton, J. P., Cooper, W. T. (2010) Molecular characterization of dissolved organic matter (DOM) in Northern peatlands: Identifying the chemical signatures of climate change, Geochim. Cosmochim. Acta, 74 (11), A1038-A103
  2. Corbett, J. E., Chanton, J. P., Burdige, D., Glaser, P. H., Cooper, W.T., Siegel, D. I., Dasgupta, S. S., Tfaily, M. M., (2010)  Partitioning peatland gas prodution: Determining the fraction of CO2 produced from methanogenesis, Geochim. Cosmochim. Acta, 74 (11), A190-A190
  3. Tfaily, M. M., Corbett, J., Chanton, J., Cooper, W. T. (2010) DOM in Northern Peatlands: Correlating Bulk Spectroscopic Properties with Molecular Composition, Geophysical Research abstracts Vol. 13
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