Profile | Directory | Utah Valley University

Faculty Member

Dr. Geoffrey Zahn

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Office: 243
Mail Stop: 299A
Curriculum Vitae: Geoffrey Zahn CV

Biography

I'm interested in translational microbial ecology. We try to understand how microbes move around the planet, how those communities assemble interact with macro-organisms, and how to use microbes to help conserve and restore important ecosystems.
Lab website -> gzahn.github.io

Education

PhD, University of Arkansas, 2015

Major: Biology

BS, Missouri State University, 2010

Major: Biology

Teaching

BIOL 4600

Bioinformatics Capstone, Spring 2025

BIOL 3150

Bioinformatics Data Skills, Spring 2025

BIOL 1620

College Biology II, Spring 2025

BIOL 1620

College Biology II, Spring 2025

BIOL 3100

Introduction to Data Analysis for Biologists, Spring 2025

Presentations

Zahn, Geoffrey , Mycological Society of America, "Less content, more context_ Research as pedagogy in undergraduate mycology courses". (July 12, 2022)

Zahn, Geoffrey , BYU Seminar, "Who’s there and who cares_ the how and why of fungal community structure". (October 12, 2019)

Zahn, Geoffrey , Missouri State University Seminar, "The causes and consequences of fungal community structure". (May 14, 2018)

Zahn, Geoffrey , University of Arkansas Seminar, "The causes and consequences of fungal community structure". (May 4, 2018)

Scholarly/Creative Works

Wainwright, Benjamin , Leon, Josh , Vilela, Ernie , Hickman, KJE , Caldwell, Jensen , Aimone, Behlee , Bischoff, Porter , Ohran, Marissa , Morelli, Magnolia , Arlyza, Irma , Marwayana, O N, Zahn, Geoffrey , (2024) "Wallace’s line structures the seagrass microbiota and is a potential barrier to the dispersal of marine bacteria" . Environmental Microbiome.

Hickman, KJE , Zahn, Geoffrey , (2024) "Ten simple rules for leading a successful undergraduate-intensive research lab" . PLOS Computational Biology.

Mikryukov, Vladimir , et al., Array , Zahn, Geoffrey , (2023) "Connecting the multiple dimensions of global soil fungal diversity" . Science Advances .

Wainwright, Benjamin , Millar, Trevor , Bowen, Lacee , Semon, Lauren , Hickman , KJE , Lee, Jen Nie , Yeo, Zhi Yi , Zahn, Geoffrey , (2023) "The core mangrove microbiome reveals shared taxa potentially involved in nutrient cycling and promoting host survival" (vol. 18). Environmental microbiome.

Rawson, Clayton , Zahn, Geoffrey , (2023) "Inclusion of database outgroups reduces false positives in fungal metabarcoding taxonomic assignments" . Mycologia.

Tedersoo, Leho , Mikryukov, Vladimir , Zizka, Alexander , Bahram, Mohammad , Hagh-Doust, Niloufar , Anslan, Sten , Prylutskyi, Oleh , Delgado-Baquerizo, Manuel , Maestre, Fernando T., Parn, Jaan , Opik, Maarja , Moora, Mari , Zobel, Martin , Espenberg, Mikk , Mander, Ulo , Khalid, Abdul Nasir, Corrales, Adriana , Agan, Ahto , Vasco-Palacios, Aida-M , Saitta, Alessandro , Rinaldi, Andrea C., Verbeken, Annemieke , Sulistyo, Bobby P., Tamgnoue, Boris , Furneaux, Brendan , Ritter, Camila Duarte, Nyamukondiwa, Casper , Sharp, Cathy , Marin, Cesar , Gohar, Daniyal , Klavina, Darta , Sharmah, Dipon , Dai, Dong Qin, Nouhra, Eduardo , Biersma, Elisabeth Machteld, Rahn, Elisabeth , Cameron, Erin K., De Crop, Eske, Array , Otsing, Eveli , Davydov, Evgeny A., Albornoz, Felipe E., Brearley, Francis Q., Buegger, Franz , Zahn, Geoffrey , Bonito, Gregory , Hiiesalu, Inga , Barrio, Isabel C., Heilmann-Clausen, Jacob , Ankuda, Jelena , Kupagme, John Y., Macia-Vicente, Jose G., Fovo, Joseph Djeugap, Geml, Jozsef , Alatalo, Juha M., Alvarez-Manjarrez, Julieta , Poldmaa, Kadri , Runnel, Kadri , Adamson, Kalev , Brathen, Kari Anne, Pritsch, Karin , Tchan, Kassim, I, Array , Hyde, Kevin D., Newsham, Kevin K., Panksep, Kristel , Lateef, Adebola A., Tiirmann, Liis , Hansson, Linda , Lamit, Louis J., Saba, Malka , Tuomi, Maria , Gryzenhout, Marieka , Bauters, Marijn , Piepenbring, Meike , Wijayawardene, Nalin , Yorou, Nourou S., Kurina, Olavi , Mortimer, Peter E., Meidl, Peter , Kohout, Petr , Nilsson, Rolf Henrik, Puusepp, Rasmus , Drenkhan, Rein , Garibay-Orijel, Roberto , Godoy, Roberto , Alkahtani, Saad , Rahimlou, Saleh , Dudov, Sergey, V, Array , Polme, Sergei , Ghosh, Soumya , Mundra, Sunil , Ahmed, Talaat , Netherway, Tarquin , Henkel, Terry W., Roslin, Tomas , Nteziryayo, Vincent , Fedosov, Vladimir E., Onipchenko, Vladimir G., Yasanthika, W. A. Erandi, Array , Lim, Young Woon, Soudzilovskaia, Nadejda A., Antonelli, Alexandre , Koljalg, Urmas , Abarenkov, Kessy , (2022) "Global patterns in endemicity and vulnerability of soil fungi" (Issue: 22, vol. 28). GLOBAL CHANGE BIOLOGY.

College Biology II BB, Fall 2017

BIOL 1620

College Biology II BB, Fall 2017

BIOL 1620

College Biology II BB, Fall 2017

Tipton, Laura , Zahn, Geoffrey , Darcy, John L., Amend, Anthony S., Hynson, Nicole A., (2022) "Hawaiian Fungal Amplicon Sequence Variants Reveal Otherwise Hidden Biogeography" (Issue: 1, vol. 83). MICROBIAL ECOLOGY.

Mcgee, Spencer , Tidwell, Alyssa , Riggs, Erin , Veltkamp, Hannah , Zahn, Geoffrey , (2022) "Long-term soil fungal community recovery after fire is impacted by climate change" (Issue: 3, vol. 82). WESTERN NORTH AMERICAN NATURALIST.

Zahn, Geoffrey , (2022) "Marker Genes (16S and ITS) Protocol for Plant Microbiome Analyses" (Issue: 8, vol. 12). Bio-Protocol.

Quek, Z. B. Randolph, Array , Zahn, Geoffrey , Lee, Nicole Li Ying, Array , Ooi, Jillian Lean Sim, Array , Lee, Jen Nie, Huang, Danwei , Wainwright, Benjamin J., (2021) "Biogeographic structure of fungal communities in seagrass Halophilia ovalis across the Malay Peninsula" (Issue: 6, vol. 13). ENVIRONMENTAL MICROBIOLOGY REPORTS.

Sur, Gary L., Zahn, Geoffrey , Stacy, Elizabeth A., (2021) "Examination of host-taxon, environment, and distance effects on leaf fungal endophytes in the dominant woody genus, Metrosideros, on OModified Letter Turned Commaahu" (vol. 53). FUNGAL ECOLOGY.

Tedersoo, Leho , Zahn, Geoffrey , (2021) "The Global Soil Mycobiome consortium dataset for boosting fungal diversity research" . Fungal Diversity. https://doi.org/10.1007/s13225-021-00493-7

Sur, Gary L., Zahn, Geoffrey , Stacy, Elizabeth A., (2021) "Examination of host-taxon, environment, and distance effects on leaf fungal endophytes in the dominant woody genus, Metrosideros, on Oʻahu" (vol. 53). Fungal Ecology. https://www.sciencedirect.com/science/article/pii/S1754504821000556

Egan, Cameron P., Koko, Jerry H., Muir, Christopher D., Zahn, Geoffrey , Swift, Sean O. I., Amend, Anthony S., Hynson, Nicole A., (2021) "Restoration of the mycobiome of the endangered Hawaiian mint Phyllostegia kaalaensis increases its resistance to a common powdery mildew" (vol. 52). Fungal Ecology. https://www.sciencedirect.com/science/article/pii/S1754504821000325

Tipton, Laura , Zahn, Geoffrey , Darcy, John L., Amend, Anthony S., Hynson, Nicole A., (2021) "Hawaiian Fungal Amplicon Sequence Variants Reveal Otherwise Hidden Biogeography" . Microbial Ecology. https://doi.org/10.1007/s00248-021-01730-x

Darcy, John L., Swift, Sean O. I., Cobian, Gerald M., Zahn, Geoffrey , Perry, Brian A., Amend, Anthony S., (2020) "Fungal communities living within leaves of native Hawaiian dicots are structured by landscape-scale variables as well as by host plants" (Issue: 16, vol. 29). Molecular Ecology. https://onlinelibrary.wiley.com/doi/abs/10.1111/mec.15544

McGee, Spencer , Tidwell, Alyssa , Riggs, Erin , Veltkamp, Hanna , Zahn, Geoffrey , (2020) "Long-term soil fungal community recovery after fire is impacted by climate change" . bioRxiv. https://www.biorxiv.org/content/10.1101/2020.10.09.333443v1

Wainwright, Benjamin J., Zahn, Geoffrey , Afiq-Rosli, Lutfi , Tanzil, Jani T. I., Huang, Danwei , (2020) "Host age is not a consistent predictor of microbial diversity in the coral Porites lutea" (Issue: 1, vol. 10). Scientific Reports. https://www.nature.com/articles/s41598-020-71117-4

Tipton, Laura , Zahn, Geoffrey , Datlof, Erin , Kivlin, Stephanie N., Sheridan, Patrick , Amend, Anthony S., Hynson, Nicole A., (2019) "Fungal aerobiota are not affected by time nor environment over a 13-y time series at the Mauna Loa Observatory" . Proceedings of the National Academy of Sciences. https://www.pnas.org/content/early/2019/12/03/1907414116

Wainwright, Benjamin J., Zahn, Geoffrey , Zushi, Joshua , Lee, Nicole Li Ying, Array , Ooi, Jillian Lean Sim, Lee, Jen Nie, Huang, Danwei , (2019) "Seagrass-associated fungal communities show distance decay of similarity that has implications for seagrass management and restoration" (Issue: 0, vol. 0). Ecology and Evolution. https://onlinelibrary.wiley.com/doi/abs/10.1002/ece3.5631

Zahn, Geoffrey , Amend, Anthony S., (2019) "Foliar fungi alter reproductive timing and allocation in Arabidopsis under normal and water-stressed conditions" (vol. 41). Fungal Ecology. http://www.sciencedirect.com/science/article/pii/S1754504818303702

Wainwright, Benjamin J., Bauman, Andrew G., Zahn, Geoffrey , Todd, Peter A., Huang, Danwei , (2019) "Characterization of fungal biodiversity and communities associated with the reef macroalga Sargassum ilicifolium reveals fungal community differentiation according to geographic locality and algal structure" . Marine Biodiversity. https://doi.org/10.1007/s12526-019-00992-6

Wainwright, Benjamin J., Afiq-Rosli, Lutfi , Zahn, Geoffrey , Huang, Danwei , (2019) "Characterisation of coral-associated bacterial communities in an urbanised marine environment shows strong divergence over small geographic scales" . Coral Reefs. https://doi.org/10.1007/s00338-019-01837-1

Wainwright, Benjamin J., Zahn, Geoffrey , Arlyza, Irma S., Amend, Anthony S., (2018) "Seagrass-associated fungal communities follow Wallace's line, but host genotype does not structure fungal community" (Issue: 4, vol. 45). JOURNAL OF BIOGEOGRAPHY.

Zahn, Geoffrey , Amend, Anthony S., (2017) "Foliar microbiome transplants confer disease resistance in a critically-endangered plant" (vol. 5). PEERJ.

Wainwright, Benjamin J., Zahn, Geoffrey , Spalding, Heather L., Sherwood, Alison R., Smith, Celia M., Amend, Anthony S., (2017) "Fungi associated with mesophotic macroalgae from the 'Au' au Channel, west Maui are differentiated by host and overlap terrestrial communities" (vol. 5). PEERJ.

Datlof, Erin M., Amend, Anthony S., Earl, Kamala , Hayward, Jeremy , Morden, Clifford W., Wade, Rachael , Zahn, Geoffrey , Hynson, Nicole A., (2017) "Uncovering unseen fungal diversity from plant DNA banks" (vol. 5). PEERJ.

Zahn, Geoffrey , Wagai, Rota , Yonemura, Seiichiro , (2016) "The effects of amoebal bacterivory on carbon and nitrogen dynamics depend on temperature and soil structure interactions" (vol. 94). Soil Biology and Biochemistry.

Zahn, Geoffrey , Stephenson, Steven L, Spiegel, Frederick W, (2014) "Ecological distribution of protosteloid amoebae in New Zealand" (vol. 2). PeerJ.

De Haan, Myriam , Cocquyt, Christine , Tice, Alex , Zahn, Geoffrey , Spiegel, Frederick W., (2014) "First records of Protosteloid Amoebae (Eumycetozoa) from the Democratic Republic of the Congo" (Issue: 1, vol. 147). Plant Ecology and Evolution.

Murphy, Erin R, Boxberger, Jacob , Colvin, Robert , Lee, Suk Je, Zahn, Geoffrey , Loor, Fred , Kim, Kyoungtae , (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.