Presentations and Publications

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Wainwright BJ, Zahn GL, Spalding HL, Sherwood AR, Smith CM, Amend AS. (2017) Fungi associated with mesophotic macroalgae from the ‘Au‘au Channel, west Maui are differentiated by host and overlap terrestrial communities. PeerJ 5:e3532
Geoffrey Zahn, Rota Wagai, Seiichiro Yonemura. 2016. The effects of amoebal bacterivory on carbon and nitrogen dynamics depend on temperature and soil structure interactions. Soil Biology and Biochemistry, 94:133-137. DOI 10.1016/j.soilbio.2015.11.021
Geoffrey Zahn, Steven L. Stephenson, Frederick W. Spiegel. 2014. Ecological distribution of protosteloid amoebae in New Zealand. PeerJ 2:e296; DOI 10.7717/peerj.296
Miriam De Haan, Christine Cocquyt, Alex Tice, Geoffrey Zahn, Frederick W. Spiegel. 2014. First records of Protosteloid Amoebae (Eumycetozoa) from the Democratic Republic of the Congo. Plant Ecology and Evolution, 147:1, 85-92
Erin R. Murphy, Jacob Boxberger, Robert Colvin, Suk Je Lee, Geoffrey Zahn, Fred Loor, Kyoungtae Kim. 2011. Pil1, an eisosome organizer, plays an important role in the recruitment of synaptojanins and amphiphysins to facilitate receptor-mediated endocytosis in yeast. European Journal of Cell Biology, 90:10, 825-833
Geoffrey Zahn, Sandeep Sharma, Burt Bluhm. (In Review). Top-down control of soil bacterial communities by amoebal predation is influenced by warming.
Geoffrey Zahn, John Shadwick, Fred Spiegel. (In Review). Protosteloid amoebae as a flagship group for investigating the global distribution of naked amoebae.



Endophytes restore disease resistance in endangered Hawaiian mints

Fungi in the atmosphere: A decade of air samples from Mauna Loa Observatory

Epiphytic fungi: role of phylogenetic relatedness in leaf surface colonization

Algal-associated fungi of mesophotic coral reefs

Seagrass fungi of Indonesia




Invited Seminars:
2017 “Slime molds of Hawai’i and beyond” University of Hawaii at Manoa
2015 “Effects of belowground trophic complexity on carbon cycling under changing climatic and edaphic conditions” Joint Genome Institute, Walnut Creek, CA
2015 “The functional and distributional ecology of mycetozoans under changing edaphic and climatic dynamicsClimate Impact Research Center, Abisko, Sweden
2014 “Public science literacy and targeted environmental initiatives” NWA Environmental Programs Symposium
2014 “The functional and distributional ecology of slime molds in a changing climate” NIAES, Tsukuba, Japan
2013 “The Ecology of Soil Mycetozoa” Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan
2012 “The Mycetozoans” Organization for Tropical Studies, Las Cruces, Costa Rica

Posters and Talks:
2016 “Endophytes and pathogens in endangered Hawaiian endemics: plant conservation from a microbial perspective” Mycological Society of America, Berkeley, CA, USA
2014 “Amoebae in warming soils: interactive effects of the microbial food web and environmental factors on nutrient cycling in a changing climate” A2C Research Symposium, Fayetteville, AR, USA
2014 “The interactive effects of protozoan predation pressure and environmental factors on carbon and nitrogen cycling in soils under warming conditions” International Society for Microbial Ecology; Seoul, South Korea
2014 “Application of high-throughput sequencing may explain carbon dynamics under predation and warming gradients via soil community shifts” JSPS Multidisciplinary Science Forum 4; Washington, D.C., USA
2014 “Linking Soil Microbial Community Structure to Global Carbon Dynamics on a Warming Planet” DOE Joint Genome Institute – Microbial Genomics and Metagenomics Workshop; Walnut Creek, CA, USA
2013 “The Role of Soil Amoebae in Nutrient Cycling on a Warming Planet” Graduate University for Advanced Studies; Sokendai, Japan
2011 “The Protosteloid Amoebae of New Zealand” Mycological Society of America; Fairbanks, AK, USA
2010 “Pil1’s Role on Regulating Membrane PIP2 Level” INBRE Conference; Fayetteville, AR, USA
2010 “The Effects of Prescribed Fire on Overwintering Fungal Abundance and Diversity: A Baseline Study” CNAS Undergraduate Research Symposium; Springfield, MO, USA
2009 “Endocytic Roles of Pil1, the Main Organizer of Eisosomes” Arkansas INBRE Research Conference; Fayetteville, AR, USA