top of page



Gattoni K, EMS Gendron, JP McQueen, K Powers, TO Powers, M Harner, J Corman, Porazinska DL. 2024. Climate change driven temporal shifts in nematode community diversity and composition. Frontiers in Ecology and Evolution. 12.


 McQueen PJ, K Gattoni, EMS Gendron, A Solon, CP Bueno de Mesquita, RA Huftt, N Shackelford N,  KN Suding, SK Schmidt, DL Porazinska. 2024. Glyphosate-based restoration of a degraded grassland threatens soil health and the diversity of nematode communities. Soil Biology and Biochemistry. 191, 109350.


Ren Y, Porazinska DL, Q Ma, S Liu, H Li, X Qing. 2024. A single degenerated primer significantly improves COX1 barcoding performance in soil nematode community profiling. Soil Ecology Letters. 6. 230204.


Shepherd R, LM Brigham, CP Bueno de Mesquita, K Gattoni, E Gendron, PG Hahn, K Schmidt, JG Smith, KN Suding, L Uy, DL Porazinska. 2023. Trophic group specific responses of alpine nematode communities to 18 years of N deposition. Plant and Soil.


Gattoni K, E Gendron, JP McQueen, Shepherd R, R Sandoval Ruiz, L Uy, DL Porazinska. 2023. Curated 18S nematode database (18S-Nema-DB) for improved metabarcoding analyses. Journal of Nematology. 55.


Brigham L, CP Bueno de Mesquita, MJ Spasojevic, EC Farrer, DL Porazinska, J Smith, SK Schmidt, KN Suding. 2023. Drivers of bacterial and fungal root endophyte communities: understanding the relative influence of host plant, environment, and space. FEMS Microbiology Ecology. 99.


McQueen JP, K Gattoni, E Gendron, S Schmidt, P Sommers, L Uy, DL Porazinska. 2023. Internal microbiomes of Antarctic Dry Valleys nematodes and tardigrades are distinct from cuticle associated external microbiomes. Journal of Nematology.


Bueno de Mesquita CP, A Solon, A Barfield, CF Mastrangelo, A Tubman, K Vincent, Porazinska DL, RA Huftt, N Shackelford, KN Suding, SK Schmidt. 2023. Adverse impacts of Roundup on soil bacteria, soil chemistry and mycorrhizal fungi during restoration of a Colorado grassland. Applied Soil Ecology. 185: 104778.


Gendron E, JL Sevigny, I Byiringiro, TO Powers, WK Thomas, DL Porazinska. 2023. Nematode mitochondrial metagenomics – a new tool for biodiversity studies. Molecular Ecology Resources.


McQueen JP, K Gattoni, E Gendron, S Schmidt, P Sommers, L Uy, DL Porazinska. 2022. Host identity is the dominant factor in the assembly of nematode and tardigrade gut microbiomes in Taylor Valley streams, Antarctica. Nature, Scientific Reports. 12: 20118.


Borgmeier A, T Harris, R Higgins, K Gattoni, P Mullin, DL Porazinska, K Powers, TO Powers. 2022. Plectus of the prairie: A case study of taxonomic resolution from a nematode biodiversity survey. Journal of Nematology. 54: e2022-1.


Shaffer J, LF Nothias, LR Thompson, et al. (>80 authors and EMP500 consortium). 2022. Multiomics profiling of Earth’s biomes reveals patterns of turnover, nestedness, and co-occurance in microbial and metabolite composition across environments. Nature Microbiology.


Gattoni K, A Borgmeier, E Gendron, JP McQueen, P Mullin, K Powers, TO Powers, DL Porazinska. 2022. Context dependent role of abiotic and biotic factors structuring nematode communities along two environmental gradients. Molecular Ecology. 31: 3903-3916.


Porazinska DL, T Seastedt, E Gendron, SK Schmidt. 2022. Invasive annual cheatgrass enhances the abundance of native microbial and microinvertebrate eukaryotes but reduces invasive earthworms. Plant and Soil. 473: 591–604.


Schmidt SK, BJ Johnson, AJ Solon, P Sommers, JL Darcy, K Vincent, L Vimercati, AG Fountain, DL Porazinska. 2022. Microbial biogeochemistry and phosphorus limitation in cryoconite holes on glaciers across the Taylor Valley, McMurdo Dry Valleys, Antarctica. Biogeochemistry. 158: 313–326.


Rozwalak P, P Podkowa, J Buda, P Niedzielski, S Kawecki, R Ambrosini, (>30 authors) ... DL Porazinska, K Zawierucha. 2022. Cryoconite–From minerals and organic matter to bioengineered sediments on glacier's surfaces. Science of The Total Environment. 807:  150874.


Zawierucha K, DL Porazinska, GF Ficetola, R Ambrosini, G Baccolo, J Buda, N Takeuchi. 2021. A hole in the nematosphere: tardigrades and rotifers dominate the cryoconite hole environment, whereas nematodes are missing. Journal of Zoology. 313: 18-36. 1836.


Porazinska DL, CP Bueno de Mesquita, EC Farrer, MJ Spasojevic, KN Suding, SK Schmidt. 2021. Nematode community diversity and function across an alpine landscape undergoing plant colonization of previously unvegetated soils. Soil Biology and Biochemistry. 161: 108380.


Solon A, Mastrangelo C, Vimercati L, Sommers P, Darcy J, Gendron E, Porazinska DL, Schmidt SK. Gullies and Moraines Are Islands of Biodiversity in an Arid, Mountain Landscape, Asgard Range, Antarctica. Frontiers in Microbiology. 2021;12:1362.   


Aran P, Aguilar P, Bowen T, Farson M, Tapia J, Vimercati L, Darcy JL, Solon AJ, Porazinska D, Schmidt SK, Dorador C. Insights into an undescribed high‐elevation lake (6,170 m asl) on Volcán Llullaillaco: A physical and microbiological view. Aquatic Conservation: Marine and Freshwater Ecosystems. 2021 May 14.


Hu W,P Sommers, JL Darcy, SK Schmidt, DL Porazinska. In press. Multiple-trophic patterns of primary succession following retreat of a high-elevation glacier. Ecosphere. Vol 12, issue 3, e03400,


Bueno de Mesquita CP, LM Brigham, P Sommers, DL Porazinska, EC Farrer, JL Darcy, KN Suding, SK Schmidt. 2020. Evidence for phosphorus limitation in high-elevation unvegetated soils, Niwot Ridge, Colorado. Biogeochemistry. 146: 1-13.


Buda J, E Łokas, M Pietryka, D Richter, W Magowski, NS Iakovenko, DL Porazinska, K Zawierucha. 2020. Biotope and biocenosis of cryoconite holes ecosystems on Ecology Glacier in the maritime Antarctic. Science of The Total Environment. 138112.


Sommers P, DL Porazinska, JL Darcy, E Gendron, L Vimercati, AJ Solon, SK Schmidt. Microbial species–area relationships in Antarctic cryoconite holes depend on productivity. 2020. Microorganisms 8: 1747.


Zawierucha K, DL Porazinska, GF Ficetola, R Ambrosini, G Baccolo, J Buda, JL Ceballos, et al. 2020. A hole in the nematosphere: Tardigrades and rotifers dominate the cryoconite hole environment, whereas nematodes are missing. Journal of Zoology 313: 18-36.


Singh D, JWF Slik, YS Jeon, KW Tomlinson, X Yang, J Wang, D Kerfahi, DL Porazinska, JM Adams. 2019. Tropical forest conversion to rubber plantation affects soil micro- and mesofaunal community and diversity. Nature, Scientific Reports 9: 1-13.


Sommers P, JL Darcy, DL Porazinska, EM Gendron, AG Fountain, F Zamora, K Vincent, KM Cawley, AJ Solon, L Vimercati, J Ryder, SK Schmidt. 2019. Comparison of microbial communities in the sediments and water columns of frozen cryoconite holes in the McMurdo Dry Valleys, Antarctica. Frontiers in Microbiology. 10: 65.


Vimercati L, AJ Solon, A Krinsky, P Arán, DL Porazinska, JL Darcy, C Dorador, SK Schmidt. 2019. Nieves penitentes are a new habitat for snow algae in one of the most extreme high-elevation environments on Earth. Arctic, Antarctic, and Alpine Research. 51: 190-200.


Sommers P, DL Porazinska, JL Darcy, F Zamora, AG Fountain, SK Schmidt. 2019. Experimental cryoconite holes as mesocosms for studying community ecology. Polar Biology. 42: 1973-1984.


Farrer EC, DL Porazinska, MJ Spasojevic, AJ King, CP Bueno De Mesquita, SA Sartwell, JG Smith, CT White,  SK Schmidt, KN Suding. 2019. Soil microbial networks shift across a high-elevation successional gradient. Frontiers in Microbiology. 10: 2887.  https://doi: 10.3389/fmicb.2019.02887


Sommers P, RS Fontenele, T Kringen, S Kraberger, DL Porazinska, JL Darcy, SK Schmidt, A Varsani. 2019. Single-stranded DNA viruses in Antarctic cryoconite holes. Viruses. 11: 1022.


Darcy JL, EMS Gendron, P Sommers, DL Porazinska, SK Schmidt.  2018. Island biogeography of cryoconite hole bacteria in Antarctica’s Taylor Valley and around the world.  Frontiers in Ecology and Evolution. 6: 180.


Bueno de Mequita CP, SA Sartwell, EV Ordemann, DL Porazinska, EC Farrer, A King, MJ Spasojevic, JG Smith, KN Suding, SK Schmidt. 2018. Patterns of root colonization by arbuscular mycorrhizae and dark septate endophytes across a mostly unvegetated, high-elevation landscape. Fungal Ecology. 36: 63-74.


Porazinska DL, C Bueno de Mequita, E Farrer, A King, M Spasojevic, SA Sartwell, JG Smith, CT White, KN Suding, SK Schmidt. 2018. Plant diversity and density predict belowground diversity and function in an early successional alpine ecosystem. Ecology. 99: 1942-1952.


Solon, AJ, L Vimercati, JL Darcy, P Arian, DL Porazinska, C Dorador, ME Farias, SK Schmidt. 2018. Microbial communities of high-elevation fumaroles, penitents and dry tephra “soils” of the Punta de Atacama Volcanic Zone. Microbial Ecology. 5: 1-12.


Schmidt SK, EMS Gendron, K Vincent, AJ Solon, P Sommers, ZR Schubert, L Vimercati, DL Porazinska, JL Darcy, P Sowell. 2018. Life at extreme elevation on Atacama volcanoes: the closest thing to Mars on Earth? Antonie van Leeuwenhoek. DOI 10.1007/s10482-018-1066-0.


Smykla J, DL Porazinska, S Emslie. Geochemical and biotic factors influencing diversity and distribution patterns of soil metazoans across ice-free coastal habitats in Victoria Land, Antarctica. 2018. Soil Biology and Biochemistry. 116: 265-276.


Sommers P, J Darcy, E Gendron, L Stanish, E Bagshaw, DL Porazinska, SK Schmidt. Diversity patterns of microbial eukaryotes mirror those of bacteria in Antarctic cryoconite holes. 2018. FEMS Microbial Ecology. 94, fix167.


Schmidt SK, L Vimercati, JL Darcy, P Aran, E Gendron, A Solon, DL Porazinska, C Dorador. 2017. A Naganishia in high places: functioning populations or dormant cells from the atmosphere? Mycology. 8: 153-163.


Bueno de Mesquita C, E Farrer, A King, J Knelman, DL Porazinska, SK Schmidt, KN Suding. 2017. Plant colonization of moss-dominated soils in the alpine: microbial and biogeochemical implications. Soil Biology and Biochemistry. 111: 135-142.


Jungok P, B Tripathi, D Singh, DL Porazinska, D Kerfahi, JM Adams. 2017. Molecular methods reveal controls on nematode community structure and unexpectedly high nematode diversity, in Svalbard high Arctic tundra. Polar Biology. 40: 765-777.


Kerfahi D, BM Tripathi, DL Porazinska, P Jungok, R Go, JM Adams. 2016. Do tropical rainforest soils have greater nematode diversity than high arctic tundra? A metagenetic comparison of Malaysia and Svalbard. Global Ecology and Biogeography. 25: 716-728.


Schmidt S, DL Porazinska, JL Darcy, A King, D Nemergut, BL Concienne. 2016. Biochemical stoichiometry reveals P and N limitation across the post-glacial landscape of Denali National Park, Alaska. Ecosystems. 19: 1164-1177.


Creer, S, K Deiner, S Frey, DL Porazinska, P Taberlet, WK Thomas, C Potter, H Bik. The ecologist’s 2016 field guide to sequence-based identification of biodiversity. Methods in Ecology and Evolution. 7:1008-1018.


Porazinska DL, MJ Morgan, JM Gaspar, LN Court, CM Hardy, M Hodda. 2014. Discrimination of plant-parasitic nematodes from complex soil communities, using ecometagenetics. Phytopathology 104:749-761.


Porazinska DL, RM Giblin-Davis, F Ikuko, M Purcell. 2014. Plant invasions from a belowground nematocentric perspective. Soil Biology and Biochemistry, 77:213-220.

MJ Morgan, D Bass, H Bik, CW Birky, M Blaxter, MD Crisp, D Derycke, D Fitch, D Fontaneto, CM Hardy, AJ King, KC Kiontke, T Moens, J Pawlowski, DL Porazinska, CQ Tang, WK Thomas, WK Yeates, S Creer. 2014. A critique of Rossberg et al.: Noise obscures the genetic signal of meiofaunal ecospecies in ecogenomic datasets.  Proceedings of the Royal Society B: Biological Sciences, 281: 1783.


Glibert JA, K Krajmalnik-Brown, DL Porazinska, S Weiss, R Knight. 2013. Towards effective probiotic for autism and other neurodevelopmental disorders. Cell, 155:1446-1448.


Stirling RG, AM Stirling, RM Giblin-Davis, W Ye, DL Porazinska, JM Nobbs, KJ Johnston. In Press. Distribution of southern sting nematode, Ibibora lilii (Nematoda: Belonolaimidae), on turfgrass in Australia and its taxonomic relationship to other belonolaimids. Nematology.


Ferris H, B Griffiths, DL Porazinska, TO Powers, M Tenutam, KH Wang. 2012. Vistas on nematode ecology - past, present and future. Journal of Nematology 44:115-126.


Porazinska DL, RM Giblin-Davis, TO Powers, WK Thomas. 2012. Unique spatial and ecological patterns of biodiversity for nematodes from temperate and tropical rainforests. PLoS.


Porazinska DL, RM Giblin-Davis, W Sung, WK Thomas. 2012. The nature and frequency of pyrosequencing recombinants in microbiotic environmental datasets. Journal of Nematology 44:18-25.


Bik HM, DL Porazinska, C Simon, JG Caporaso, R Knight, WK Thomas. 2012. Sequencing our way towards understanding global eukaryotic biodiversity. Trends in Ecology and Evolution.


Porazinska DL, DH Wall. 2011. Soil conservation. In: S Levin, G Daily, RK Colwell, J Lubchenco, HA Mooney, ED Schulze, and D Tilman (eds). Encyclopedia of Biodiversity. Vol. 5:315-326. Academic Press, San Diego, CA.


Smykla J, DL Porazinska, N Iakovenko, K Janko, WM Weiner, W Niedbała, M Drewnik. 2010. Studies on the Antarctic soil invertebrates: Preliminary data on rotifers (Rotatoria) with notes on other taxa from Edmonson Point (Northern Victoria Land, Continental Antarctic). Acta Societatis Zoologicae Bohemicae 74: 135–140.


Porazinska DL, RM Giblin-Davis, A Esquivel, TO Powers, W Sung, WK Thomas. 2010. Ecometagenetics confirms high tropical rainforest nematode diversity. Molecular Ecology 19:5521-5530.


Porazinska DL, RM Giblin-Davis, TO Powers, W Sung, WK Thomas. 2010. Linking operational clustered taxonomical units (OCTU) from parallel ultra sequencing (PUS) to nematode species. Zootaxa 2427:55-63.


Porazinska DL, RM Giblin-Davis, W Sung, WK Thomas. 2010. Reproducibility of read numbers in high-throughput sequencing analysis of nematode community composition and structure. Molecular Ecology Resources 10:666-676.


Creer S, VG Fonseca, DL Porazinska, RM Giblin-Davis, W Sung, DM Power, M Packer, GR Carvalho, ML Blaxter, PJD Lambshead, WK Thomas. 2010. ltrasequencing of the meiofaunal biosphere: practice, pitfalls and promises. Molecular Ecology 19:4-20.


Porazinska DL, RM Giblin-Davis, TO Powers, W Farmerie, N Kanzaki, K Morris, W Sung, WK Thomas. 2009. Evaluating high-throughput sequencing as a method for metagenomic analysis of nematode diversity. Molecular Ecology Resources 9: 1439-1450.


Porazinska DL, PD Pratt, RM Giblin-Davis. 2007. Consequences of Melaleuca quinquenervia invasion on soil nematodes in the Florida Everglades. Journal of Nematology 39:305-312.


Foreman C, B Sattler, J Mikucki, DL Porazinska, JC Priscu. 2007. Metabolic activity and diversity of cryoconites in the Taylor Valley, Antarctica. Journal of Geophysical Research: 112, G04S32,


Duncan LW, JH Graham, J Zellers, D Bright, DC Dunn, FE El-Borai, DL Porazinska. 2007. Food web responses to augmenting the entomopathogenic nematodes in bare and animal manure-mulched soil. Journal of Nematology 39:176-189.


Crow WT, DL Porazinska, RM Giblin-Davis, PS Grewal. 2006. Entomopathogenic nematodes are not an alternative to fenamiphos for management of plant-parasitic nematodes. Journal of Nematology 38:52-58.


Nkem JN, DH Wall, RA Virginia, JE Barret, EJ Bross, DL Porazinska, BJ Adams. 2006. Wind dispersal of soil invertebrates in the McMurdo Dry Valleys, Antarctica. Polar Biology 29:346-352.


Porazinska DL, AG Fountain, TH Nylen, M Tranter, RA Virginia, DH Wall. 2004. The biodiversity and biogeochemistry of cryoconite holes from McMurdo Dry Valley Glaciers, Antarctica. Arctic, Antarctic, and Alpine Research 36:84-91.


Porazinska DL, RD Bardgett, MB Blaauw, HW Hunt, AN Parsons, TR Seastedt, DH Wall. 2003. Relationships at the aboveground-belowground interface: plants, soil biota, and soil processes. Ecological Monographs 73:377-395.


Moorhead DL, JE Barrett, RA Virginia, DH Wall, DL Porazinska. 2003. Organic matter and soil biota of upland wetlands in Taylor Valley, Antarctica. Polar Biology 26:567-576.


Gooseff MN, JE Barrett, P Doran, AG Fountain, WB Lyons, DM McKnight, AN Parsons, DL Porazinska, RA Virginia, DH Wall. 2003. Snow pack coverage and influence on polar desert soils in the Dry Valleys, Antarctica. Arctic, Antarctic, and Alpine Research 35:92-100.


Porazinska DL, DH Wall, RA Virginia. 2002. Invertebrates in ornithogenic soils at Ross Island, Antarctica. Polar Biology 25:569-574.


Porazinska DL, DH Wall, RA Virginia. 2002. Population age structure of nematodes in the Antarctic Dry Valleys: perspectives on time, space, and habitat suitability. Arctic, Antarctic, and Alpine Research 34:159-168.


McSorley R, DL Porazinska. 2001. Elements of sustainable agriculture. Nematropica 31:1-9.


Porazinska DL, DH Wall. 2000. Soil conservation. In: S Levin, G Daily, RK Colwell, J Lubchenco, HA Mooney, ED Schulze, and D Tilman (eds). Encyclopedia of Biodiversity. Vol. 5:315-326. Academic Press, San Diego, CA.


Porazinska DL, LW Duncan, R McSorley, JH Graham. 1999. Nematode communities as indicators of status and processes of a soil ecosystem influenced by agricultural management practices. Applied Soil Ecology 13:69-86.


Inserra RN, LW Duncan, D Dunn, DT Kaplan, DL Porazinska. 1998. Pratylenchus pseudocoffeae from Florida and its relationship with P. gutierrezi and P. coffeae. Nematologica 44:683-712.


Porazinska DL, R McSorley, LW Duncan, R Gallaher, JW Wheaton, LR Parsons. 1998. Relationship between soil chemical status, soil nematode community, and sustainability indices. Nematropica 28:249-262.


Porazinska DL, R McSorley, LW Duncan, JH Graham, JW Wheaton, LR Parsons. 1998. Nematode community composition under various irrigation schemes in the citrus soil ecosystem. Journal of Nematology 30:170-178.


Porazinska DL and DC Coleman. 1995. Ecology of nematodes under influence of Cucurbita spp. and different fertilizer types. Journal of Nematology 27:617-623.


bottom of page