Publications: DR James Bradley

Vidal E, Lindsay MR, Bradley JA, Osburn MR, Ruff SE ( 2025 ) . Subsurface Life on Earth as a Key to Unlock Extraterrestrial Mysteries . Microbial Biotechnology vol. 18 , ( 12 )

Hawkings JR, Bradley JA, Doting EL, Hassan N, Hendry KR, Holt AD, Hood E, Spencer RGM et al. ( 2025 ) . Glacier biogeochemical cycling and downstream impacts . Nature Reviews Earth & Environment vol. 7 , ( 2 ) 124 - 143 .

Ricci F, Bay SK, Nauer PA, Wong WW, Ni G, Jimenez L, Jirapanjawat T, Leung PM et al. ( 2025 ) . Metabolically flexible microorganisms rapidly establish glacial foreland ecosystems . Nature Communications vol. 16 , ( 1 )

Roy S, Dumont MG, Bradley JA, Hernández M ( 2025 ) . Microbial interactions between climate warming and antimicrobial resistance threaten soil carbon storage and global health . The ISME Journal: Multidisciplinary Journal of Microbial Ecology vol. 19 , ( 1 )

Martinez‐Rabert E, Moncayo LM, Trembath‐Reichert E, Lappan R, Greening C, Goordial J, Bradley JA ( 2025 ) . Investigating the Atmospheric Microbial Ecosystem Through Theory, Bioenergetics, and Numerical Modeling: A Breath of Fresh Air for Aeromicrobiology . Journal of Geophysical Research Biogeosciences vol. 130 , ( 8 )

Bradley JA, Molares Moncayo L, Gallo G, Brusca J, Viglezio T, Pasotti J, Giovannelli D ( 2025 ) . Svalbard winter warming is reaching melting point . Nature Communications vol. 16 , ( 1 )

Schmidt SK, Cramm MA, Solon AJ, Bradley JA, de Mesquita CPB, Cimpoiasu MO, Rubin RR, Pilco RQ et al. ( 2025 ) . Biological soil crust microcolonies reveal how microbial communities assemble following retreat of a High Arctic glacier . FEMS Microbes vol. 6 ,

Bradley JA ( 2025 ) . Microbial dormancy as an ecological and biogeochemical regulator on Earth . Nature Communications vol. 16 , ( 1 )

Halbach L, Kitzinger K, Hansen M, Littmann S, Benning LG, Bradley JA, Whitehouse MJ, Olofsson M et al. ( 2025 ) . Single-cell imaging reveals efficient nutrient uptake and growth of microalgae darkening the Greenland Ice Sheet . Nature Communications vol. 16 , ( 1 )

Cimpoiasu MO, Kuras O, Harrison H, Wilkinson PB, Meldrum P, Chambers JE, Liljestrand D, Oroza C et al. ( 2025 ) . High-resolution 4D electrical resistivity tomography and below-ground point sensor monitoring of High Arctic deglaciated sediments capture zero-curtain effects, freeze–thaw transitions, and mid-winter thawing . The Cryosphere vol. 19 , ( 1 ) 401 - 421 .

Roy S, Dawson RA, Bradley JA, Hernández M ( 2025 ) . Prevalence and dynamics of antimicrobial resistance in pioneer and developing Arctic soils . BMC Microbiology vol. 25 , ( 1 )

Waldrop MP, Ernakovich JG, Vishnivetskaya TA, Schaefer SR, Mackelprang R, Barta J, O′Brien JM, Winkel M et al. ( 2025 ) . Microbial Ecology of Permafrost Soils: Populations, Processes, and Perspectives . Permafrost and Periglacial Processes vol. 36 , ( 2 ) 245 - 258 .

Ruff SE, de Angelis IH, Mullis M, Payet JP, Magnabosco C, Lloyd KG, Sheik CS, Steen AD et al. ( 2024 ) . A global comparison of surface and subsurface microbiomes reveals large-scale biodiversity gradients, and a marine-terrestrial divide . Science Advances vol. 10 , ( 51 )

Trejos-Espeleta JC, Marin-Jaramillo JP, Schmidt SK, Sommers P, Bradley JA, Orsi WD ( 2024 ) . Principal role of fungi in soil carbon stabilization during early pedogenesis in the high Arctic . Proceedings of the National Academy of Sciences of the United States of America vol. 121 , ( 28 )

Lyu Z, Sommers P, Schmidt SK, Magnani M, Cimpoiasu M, Kuras O, Zhuang Q, Oh Y et al. ( 2024 ) . Seasonal dynamics of Arctic soils: Capturing year-round processes in measurements and soil biogeochemical models . Earth-Science Reviews vol. 254 ,

Lappan R, Thakar J, Moncayo LM, Besser A, Bradley JA, Goordial J, Trembath-Reichert E, Greening C ( 2024 ) . The atmosphere: a transport medium or an active microbial ecosystem? . The ISME Journal: Multidisciplinary Journal of Microbial Ecology vol. 18 , ( 1 )

Makowska‐Zawierucha N, Trzebny A, Zawierucha K, Manthapuri V, Bradley JA, Pruden A ( 2024 ) . Arctic plasmidome analysis reveals distinct relationships among associated antimicrobial resistance genes and virulence genes along anthropogenic gradients . Global Change Biology vol. 30 , ( 5 )

Cimpoiasu MO, Kuras O, Harrison H, Wilkinson PB, Meldrum P, Chambers JE, Liljestrand D, Oroza C et al. ( 2024 ) . Characterization of a Deglaciated Sediment Chronosequence in the High Arctic Using Near‐Surface Geoelectrical Monitoring Methods . Permafrost and Periglacial Processes vol. 35 , ( 2 ) 157 - 171 .

Moore OW, Curti L, Woulds C, Bradley JA, Babakhani P, Mills BJW, Homoky WB, Xiao K-Q et al. ( 2023 ) . Long-term organic carbon preservation enhanced by iron and manganese . Nature vol. 621 , ( 7978 ) 312 - 317 .

Soares A, Edwards A, An D, Bagnoud A, Bradley J, Barnhart E, Bomberg M, Budwill K et al. ( 2023 ) . A global perspective on bacterial diversity in the terrestrial deep subsurface . Microbiology vol. 169 , ( 1 )

Bradley JA, Trivedi CB, Winkel M, Mourot R, Lutz S, Larose C, Keuschnig C, Doting E et al. ( 2022 ) . Active and dormant microorganisms on glacier surfaces . Geobiology vol. 21 , ( 2 ) 244 - 261 .

Bradley JA, Hülse D, LaRowe DE, Arndt S ( 2022 ) . Transfer efficiency of organic carbon in marine sediments . Nature Communications vol. 13 , ( 1 )

Halbach L, Chevrollier L-A, Doting EL, Cook JM, Jensen MB, Benning LG, Bradley JA, Hansen M et al. ( 2022 ) . Pigment signatures of algal communities and their implications for glacier surface darkening . Scientific Reports vol. 12 , ( 1 )

Yu K, van den Hoogen J, Wang Z, Averill C, Routh D, Smith GR, Drenovsky RE, Scow KM et al. ( 2022 ) . The biogeography of relative abundance of soil fungi versus bacteria in surface topsoil . Earth System Science Data vol. 14 , ( 9 ) 4339 - 4350 .

Bradley JA, Arndt S, Amend JP, Burwicz-Galerne E, LaRowe DE ( 2022 ) . Sources and Fluxes of Organic Carbon and Energy to Microorganisms in Global Marine Sediments . Frontiers in Microbiology vol. 13 ,

Trivedi CB, Keuschnig C, Larose C, Rissi DV, Mourot R, Bradley JA, Winkel M, Benning LG ( 2022 ) . DNA/RNA Preservation in Glacial Snow and Ice Samples . Frontiers in Microbiology vol. 13 ,

Winkel M, Trivedi CB, Mourot R, Bradley JA, Vieth-Hillebrand A, Benning LG ( 2022 ) . Seasonality of Glacial Snow and Ice Microbial Communities . Frontiers in Microbiology vol. 13 ,

Wojcik R, Eichel J, Bradley JA, Benning LG ( 2021 ) . How allogenic factors affect succession in glacier forefields . Earth-Science Reviews vol. 218 ,

Hand K, Phillips CB, Chyba CF, Toner B, Katija K, Orphan V, Huber J, Cavanaugh CM et al. ( 2021 ) . On the Past, Present, and Future Role of Biology in NASA’s Exploration of our Solar System . Bulletin of the AAS vol. 53 , ( 4 )

Lutz S, Bradley JA ( 2021 ) . 12 Glacial surfaces: functions and biogeography . Microbial Life in the Cryosphere and Its Feedback on Global Change , De Gruyter

Bradley JA ( 2021 ) . 13 Microbial dynamics in forefield soils following glacier retreat . Microbial Life in the Cryosphere and Its Feedback on Global Change , De Gruyter

Bay SK, Dong X, Bradley JA, Leung PM, Grinter R, Jirapanjawat T, Arndt SK, Cook PLM et al. ( 2021 ) . Trace gas oxidizers are widespread and active members of soil microbial communities . Nature Microbiology vol. 6 , ( 2 ) 246 - 256 .

Li M, Sutfin N, Christie M, Neelam M, Bradley J ( 2020 ) . Making a Place for the Next Generation of Geoscientists . Eos vol. 101 ,

LaRowe DE, Arndt S, Bradley JA, Burwicz E, Dale AW, Amend JP ( 2020 ) . Organic carbon and microbial activity in marine sediments on a global scale throughout the Quaternary . Geochimica et Cosmochimica Acta vol. 286 , 227 - 247 .

Bradley JA, Arndt S, Amend JP, Burwicz E, Dale AW, Egger M, LaRowe DE ( 2020 ) . Widespread energy limitation to life in global subseafloor sediments . Science Advances vol. 6 , ( 32 )

LaRowe DE, Arndt S, Bradley JA, Estes ER, Hoarfrost A, Lang SQ, Lloyd KG, Mahmoudi N et al. ( 2020 ) . The fate of organic carbon in marine sediments - New insights from recent data and analysis . Earth-Science Reviews vol. 204 ,

Stibal M, Bradley JA, Edwards A, Hotaling S, Zawierucha K, Rosvold J, Lutz S, Cameron KA et al. ( 2020 ) . Glacial ecosystems are essential to understanding biodiversity responses to glacier retreat . Nature Ecology & Evolution vol. 4 , ( 5 ) 686 - 687 .

Orcutt BN, Bradley JA, Brazelton WJ, Estes ER, Goordial JM, Huber JA, Jones RM, Mahmoudi N et al. ( 2020 ) . Impacts of deep‐sea mining on microbial ecosystem services . Limnology and Oceanography vol. 65 , ( 7 ) 1489 - 1510 .

Bradley JA, Amend JP, LaRowe DE ( 2018 ) . Survival of the fewest: Microbial dormancy and maintenance in marine sediments through deep time . Geobiology vol. 17 , ( 1 ) 43 - 59 .

Bradley JA, Amend JP, LaRowe DE ( 2018 ) . Necromass as a Limited Source of Energy for Microorganisms in Marine Sediments . Journal of Geophysical Research Biogeosciences vol. 123 , ( 2 ) 577 - 590 .

Bradley JA, Amend JP, LaRowe DE ( 2018 ) . Bioenergetic Controls on Microbial Ecophysiology in Marine Sediments . Frontiers in Microbiology vol. 9 ,

Bradley JA, Daille LK, Trivedi CB, Bojanowski CL, Stamps BW, Stevenson BS, Nunn HS, Johnson HA et al. ( 2017 ) . Carbonate-rich dendrolitic cones: insights into a modern analog for incipient microbialite formation, Little Hot Creek, Long Valley Caldera, California . npj Biofilms and Microbiomes vol. 3 , ( 1 )

Stibal M, Bradley JA, Box JE ( 2017 ) . Ecological Modeling of the Supraglacial Ecosystem: A Process-based Perspective . Frontiers in Earth Science vol. 5 ,

Bradley JA, Anesio AM, Arndt S ( 2017 ) . Microbial and Biogeochemical Dynamics in Glacier Forefields Are Sensitive to Century-Scale Climate and Anthropogenic Change . Frontiers in Earth Science vol. 5 ,

Bradley JA, Arndt S, Šabacká M, Benning LG, Barker GL, Blacker JJ, Yallop ML, Wright KE et al. ( 2016 ) . Microbial dynamics in a High Arctic glacier forefield: a combined field, laboratory, and modelling approach . Biogeosciences vol. 13 , ( 19 ) 5677 - 5696 .

Pearce DA, Alekhina IA, Terauds A, Wilmotte A, Quesada A, Edwards A, Dommergue A, Sattler B et al. ( 2016 ) . Aerobiology Over Antarctica – A New Initiative for Atmospheric Ecology . Frontiers in Microbiology vol. 7 ,

Bradley JA, Anesio AM, Arndt S ( 2016 ) . Bridging the divide: a model-data approach to Polar and Alpine microbiology . FEMS Microbiology Ecology vol. 92 , ( 3 )

Bradley JA, Anesio AM, Singarayer JS, Heath MR, Arndt S ( 2015 ) . SHIMMER (1.0): a novel mathematical model for microbial and biogeochemical dynamics in glacier forefield ecosystems . Geoscientific Model Development vol. 8 , ( 10 ) 3441 - 3470 .

Bradley JA, Anesio AM, Singarayer JS, Heath MR, Arndt S ( 2015 ) . SHIMMER (1.0): a novel mathematical model for microbial and biogeochemical dynamics in glacier forefield ecosystems . vol. 8 , ( 8 ) 6143 - 6216 .

Bradley JA, Singarayer JS, Anesio AM ( 2014 ) . Microbial community dynamics in the forefield of glaciers . Proceedings of the Royal Society B vol. 281 , ( 1795 )

Ruff SE, de Angelis IH, Mullis M, Payet JP, Magnabosco C, Lloyd KG, Sheik CS, Steen AD et al. . A global atlas of subsurface microbiomes reveals phylogenetic novelty, large scale biodiversity gradients, and a marine-terrestrial divide .

Roy S, Dawson R, Bradley JA, Hernández M . Antimicrobial resistance in Arctic soils is mediated by competition and facilitation .

Cimpoiasu MO, Kuras O, Harrison H, Wilkinson PB, Meldrum P, Chambers JE, Liljestrand D, Oroza C et al. . High-resolution 4D ERT monitoring of recently deglaciated sediments undergoing freeze-thaw transitions in the High Arctic .

Ricci F, Bay SK, Nauer PA, Wong WW, Ni G, Jimenez L, Jirapanjawat T, Leung PM et al. . Metabolically flexible microorganisms rapidly establish glacial foreland ecosystems .

Yu K, van den Hoogen J, Wang Z, Averill C, Routh D, Smith GR, Drenovsky RE, Scow KM et al. . The biogeography of relative abundance of soil fungi and bacteria in top surface soil .