A. Elizabeth (Betsy) Arnold

Professor and Curator, RLG Mycological Herbarium - School of Plant Sciences, Department of Ecology and Evolutionary Biology, Genetics GIDP, Applied Biosciences GIDP, 1885 Research Scholar and Fellow, Bart Cardon Academy for Teaching Excellence, Co-Director, NSF NRT in Ecosystem Genomics (starting fall 2020)
520-344-2327 / 520-621-2244 (Lab)

Educational Background

  • BS, Biology, Duke University
  • Ph.D., Ecology and Evolutionary Biology, the University of Arizona
  • NSF Postdoctoral Fellow in Microbial Biology, Duke University

Research Interests

  • Fungal ecology, evolution, and systematics; the evolution of symbioses; plant microbiomes

Selected Publications

U’Ren, J.M., F. Lutzoni, J. Miadlikowska, N.B. Zimmerman, I. Carbone, G. May, A.E. Arnold. 2019. Host availability drives distributions of fungal endophytes in the imperiled boreal realm. Nature Ecology & Evolution 3: 1430-1437.
Bowman, E.A., A.E. Arnold. 2018. Distributions of ectomycorrhizal and foliar endophytic fungal communities associated with Pinus ponderosa along a spatially constrained elevation gradient. American Journal of Botany 105: 687-699.
Chen, K.-H., H.-L. Liao, A.E. Arnold, F. Lutzoni. 2018. Metatranscriptomic analysis of active fungal communities across a senescence gradient of the moss Dicranum scoparium. New Phytologist 218: 1597-1611.
Zalamea, P.-C., J.W. Dalling, C. Sarmiento, A.E. Arnold, C. Delevich, M.A. Berbow, A. Ndobegang, S. Gripenberg, A.S. Davis. 2018. Dormancy-defense syndromes and trade-offs between physical and chemical defenses in seeds. Ecology DOI: 10.1002/ecy.2419
Sarmiento, C., P.-C. Zalamea, J.W. Dalling, A.S. Davis, S.M. Stump, J.M. U’Ren, A.E. Arnold. 2017. Soilborne fungi have host affinity and host-specific effects on seed germination and survival in a lowland tropical forest. Proceedings of the National Academy of Sciences USA 114: 11458-11463.
U’Ren, J.M., J. Miadlikowska, N. Zimmerman, F. Lutzoni, J. Stajich, A.E. Arnold. 2016. Contributions of North American endophytes to the phylogeny, ecology, and taxonomy of the Xylariaceae. Molecular Phylogenetics and Evolution 98: 210-232.
Huang, Y.-L., M.M.N. Devan, J.M. U’Ren, S.H. Furr, and A.E. Arnold. 2016. Pervasive effects of wildfire on foliar endophyte communities in montane forest trees. Microbial Ecology 71: 452-468.
Chagnon, P.-L., J.M. U’Ren, F. Lutzoni, J. Miadlikowska, and A.E. Arnold. 2016. Interaction type influences ecological network structure more than local abiotic conditions: evidence from fungal symbionts at a continental scale. Oecologia 180: 181-191.
Arendt, K.R., K.L. Hockett, S.J. Araldi-Brondolo, D.A. Baltrus, A.E. Arnold. 2016. Isolation of endohyphal bacteria from foliar fungi and in vitro establishment of their symbiotic associations. Applied and Environmental Microbiology 82: 2943-2949.

Teaching Responsibilities

  • PLP 329A, Microbial Diversity
  • PLP 550, Principles of Plant Microbiology
  • PLP 475/575, Advanced Mycology (co-taught with Marc Orbach)
  • PLS195a, How will we feed and clothe 9 billion people by 2050? (co-taught with David Galbraith)
  • PLP 596b, sec 253, Topics in Fungal and Microbial Ecology and Evolution
  • HNRS 195I, Honors colloquium, special topics in science

Research Areas

  • Biodiversity and Evolutionary Biology
  • Microbiology
  • Plant Protection and Pathology