David Geiser
Professor of Mycology

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121 Buckhout Lab
University Park, PA - dmg17@psu.edu
- 814-865-9773
Research Summary
Molecular evolutionary genetics of pathogenic and toxigenic fungi.
Huck Affiliations
- Bioinformatics and Genomics
- Molecular, Cellular, and Integrative Biosciences
- Microbiome Center
- Plant Institute
- Ecology Institute
- Center for Chemical Ecology
Links
Publication Tags
Fusarium Fungi Phylogeny Trichothecenes Virulence Genes Taxonomy Mycotoxins Beetles Coleoptera Terminology Fungus Trichothecene Ambrosia Genome Dna Plant Pathogens Nucleotide Sequences Infection Loci Fusarium Solani Metadata Persea Symbiosis BiodiversityMost Recent Publications
FUSARIUM-ID v.3.0: An Updated, Downloadable Resource for Fusarium Species Identification
Terry J. Torres-Cruz, Briana K. Whitaker, Robert H. Proctor, Kirk Broders, Imane Laraba, Hye Seon Kim, Daren W. Brown, Kerry O’Donnell, Tania L. Estrada-Rodríguez, Yong Hwan Lee, Kyeongchae Cheong, Emma C. Wallace, Chyanna T. McGee, Seogchan Kang, David M. Geiser, 2022, Plant Disease on p. 1610-1616
DNA Sequence-Based Identification of Fusarium: A Work in Progress
Kerry O’Donnell, Briana K. Whitaker, Imane Laraba, Robert H. Proctor, Daren W. Brown, Kirk Broders, Hye Seon Kim, Susan P. McCormick, Mark Busman, Takayuki Aoki, Terry J. Torres-Cruz, David M. Geiser, 2022, Plant Disease on p. 1597-1609
Phylogenetic Diversity and Mycotoxin Potential of Emergent Phytopathogens Within the Fusarium tricinctum Species Complex
Imane Laraba, Mark Busman, David M. Geiser, Kerry O'Donnell, 2022, Phytopathology on p. 1284-1298
Pure Culture and DNA Sequence-Based Identification of Fusarium from Symptomatic Plants and Diverse Substrates
Kerry O’Donnell, Imana Laraba, David M. Geiser, 2022, on p. 1-20
Fusarium abutilonis and F. guadeloupense, two novel species in the Fusarium buharicum clade supported by multilocus molecular phylogenetic analyses
Kerry O’Donnell, Tom Gräfenhan, Imane Laraba, Mark Busman, Robert H. Proctor, Hye Seon Kim, Nathan P. Wiederhold, David M. Geiser, Keith A. Seifert, 2022, Mycologia on p. 682-696
Phylogenomic analysis of a 55.1-kb 19-gene dataset resolves a monophyletic fusarium that includes the fusarium solani species complex
David M. Geiser, Abdullah M.S. Al-Hatmi, Takayuki Aoki, Tsutomu Arie, Virgilio Balmas, Irene Barnes, Gary C. Bergstrom, Madan K. Bhattacharyya, Cheryl L. Blomquist, Robert L. Bowden, Balazs Brankovics, Daren W. Brown, Lester W. Burgess, Kathryn Bushley, Mark Busman, Jose F. Cano-Lira, Joseph D. Carrillo, Hao Xun Chang, Chi Yu Chen, Wanquan Chen, Martin Chilvers, Sofia Chulze, Jeffrey J. Coleman, Christina A. Cuomo, Z. Wilhelm de Beer, G. Sybren de Hoog, Johanna Del Castillo-Munera, Emerson M. Del Ponte, Javier Dieguez-Uribeondo, Antonio Di Pietro, Veronique Edel-Hermann, Wade H. Elmer, Lynn Epstein, Akif Eskalen, Maria Carmela Esposto, Kathryne L. Everts, Sylvia P. Fernandez-Pavıa, Gilvan Ferreira da Silva, Nora A. Foroud, Gerda Fourie, Rasmus J.N. Frandsen, Stanley Freeman, Michael Freitag, Omer Frenkel, Kevin K. Fuller, Tatiana Gagkaeva, Donald M. Gardiner, Anthony E. Glenn, Scott E. Gold, Thomas R. Gordon, Nancy F. Gregory, Marieka Gryzenhout, Josep Guarro, Beth K. Gugino, Santiago Gutierrez, Kim E. Hammond-Kosack, Linda J. Harris, Monika Homa, Cheng Fang Hong, Laszlo Hornok, Jenn Wen Huang, Macit Ilkit, Adriaana Jacobs, Karin Jacobs, Cong Jiang, Marıa del Mar Jimenez-Gasco, Seogchan Kang, Matthew T. Kasson, Kemal Kazan, John C. Kennell, Hye Seon Kim, H. Corby Kistler, Gretchen A. Kuldau, Tomasz Kulik, Oliver Kurzai, Imane Laraba, Matthew H. Laurence, Theresa Lee, Yin Won Lee, Yong Hwan Lee, John F. Leslie, Edward C.Y. Liew, Lily W. Lofton, Antonio F. Logrieco, Manuel S. Lopez-Berges, Alicia G. Luque, Erik Lysøe, Li Jun Ma, Robert E. Marra, Frank N. Martin, Sara R. May, Susan P. McCormick, Chyanna McGee, Jacques F. Meis, Quirico Migheli, N. M.I. Mohamed Nor, Michel Monod, Antonio Moretti, Diane Mostert, Giuseppina Mule, Françoise Munaut, Gary P. Munkvold, Paul Nicholson, Marcio Nucci, Kerry O’Donnell, Matias Pasquali, Ludwig H. Pfenning, Anna Prigitano, Robert H. Proctor, Stephane Ranque, Stephen A. Rehner, Martijn Rep, Gerardo Rodrıguez-Alvarado, Lindy Joy Rose, Mitchell G. Roth, Carmen Ruiz-Roldan, Amgad A. Saleh, Baharuddin Salleh, Hyunkyu Sang, Marıa Mercedes Scandiani, Jonathan Scauflaire, David G. Schmale, Dylan P.G. Short, Adnan Sisic, Jason A. Smith, Christopher W. Smyth, Hokyoung Son, Ellie Spahr, Jason E. Stajich, Emma Steenkamp, Christian Steinberg, Rajagopal Subramaniam, Haruhisa Suga, Brett A. Summerell, Antonella Susca, Cassandra L. Swett, Christopher Toomajian, Terry J. Torres-Cruz, Anna M. Tortorano, Martin Urban, Lisa J. Vaillancourt, Gary E. Vallad, Theo A.J. van der Lee, Dan Vanderpool, Anne D. van Diepeningen, Martha M. Vaughan, Eduard Venter, Marcele Vermeulen, Paul E. Verweij, Altus Viljoen, Cees Waalwijk, Emma C. Wallace, Grit Walther, Jie Wang, Todd J. Ward, Brian L. Wickes, Nathan P. Wiederhold, Michael J. Wingfield, Ana K.M. Wood, Jin Rong Xu, Xiao Bing Yang, Tapani Yli-Mattila, Sung Hwan Yun, Latiffah Zakaria, Hao Zhang, Ning Zhang, Sean X. Zhang, Xue Zhang, 2021, Phytopathology on p. 1064-1079
Author Correction: Fungal taxonomy and sequence-based nomenclature (Nature Microbiology, (2021), 6, 5, (540-548), 10.1038/s41564-021-00888-x)
Robert Lücking, M. Catherine Aime, Barbara Robbertse, Andrew N. Miller, Takayuki Aoki, Hiran A. Ariyawansa, Gianluigi Cardinali, Pedro W. Crous, Irina S. Druzhinina, David M. Geiser, David L. Hawksworth, Kevin D. Hyde, Laszlo Irinyi, Rajesh Jeewon, Peter R. Johnston, Paul M. Kirk, Elaine Malosso, Tom W. May, Wieland Meyer, Henrik R. Nilsson, Maarja Öpik, Vincent Robert, Marc Stadler, Marco Thines, Duong Vu, Andrey M. Yurkov, Ning Zhang, Conrad L. Schoch, 2021, Nature Microbiology on p. 971
Fungal taxonomy and sequence-based nomenclature
Robert Lücking, M. Catherine Aime, Barbara Robbertse, Andrew N. Miller, Takayuki Aoki, Hiran A. Ariyawansa, Gianluigi Cardinali, Pedro W. Crous, Irina S. Druzhinina, David M. Geiser, David L. Hawksworth, Kevin D. Hyde, Laszlo Irinyi, Rajesh Jeewon, Peter R. Johnston, Paul M. Kirk, Elaine Malosso, Tom W. May, Wieland Meyer, Henrik R. Nilsson, Maarja Öpik, Vincent Robert, Marc Stadler, Marco Thines, Duong Vu, Andrey M. Yurkov, Ning Zhang, Conrad L. Schoch, 2021, Nature Microbiology on p. 540-548
Erratum: Phylogenetic diversity, trichothecene potential, and pathogenicity within Fusarium sambucinum species complex (PLoS ONE (2021) 16:1 (e0245037) DOI: 10.1371/journal.pone.0245037)
Imane Laraba, Susan P. McCormick, Martha M. Vaughan, David M. Geiser, Kerry O'Donnell, 2021, PLoS One
Phylogenetic diversity, trichothecene potential, and pathogenicity within Fusarium sambucinum species complex
Imane Laraba, Susan P. McCormick, Martha M. Vaughan, David M. Geiser, Kerry O’Donnell, 2021, PLoS One
Most-Cited Papers
Fusarium pathogenomics
Li Jun Ma, David M. Geiser, Robert H. Proctor, Alejandro P. Rooney, Kerry O'Donnell, Frances Trail, Donald M. Gardiner, John M. Manners, Kemal Kazan, 2013, Annual Review of Microbiology on p. 399-416
Phylogenetic analyses of RPB1 and RPB2 support a middle Cretaceous origin for a clade comprising all agriculturally and medically important fusaria
Kerry O'Donnell, Alejandro P. Rooney, Robert H. Proctor, Daren W. Brown, Susan P. McCormick, Todd J. Ward, Rasmus J.N. Frandsen, Erik Lysøe, Stephen A. Rehner, Takayuki Aoki, Vincent A.R.G. Robert, Pedro W. Crous, Johannes Z. Groenewald, Seogchan Kang, David M. Geiser, 2013, Fungal Genetics and Biology on p. 20-31
DNA sequence-based identification of Fusarium: Current status and future directions
Kerry O’Donnell, Todd J. Ward, Vincent A.R.G. Robert, Pedro W. Crous, David M. Geiser, Seogchan Kang, 2015, Phytoparasitica on p. 583-595
Systematics of key phytopathogenic Fusarium species: Current status and future challenges
Takayuki Aoki, Kerry O'Donnell, David M. Geiser, 2014, Journal of General Plant Pathology on p. 189-201
One fungus, one name: Defining the genus Fusarium in a scientifically robust way that preserves longstanding use
David M. Geiser, Takayuki Aoki, Charles W. Bacon, Scott E. Baker, Madan K. Bhattacharyya, Mary E. Brandt, Daren W. Brown, Lester W. Burgess, Sofia Chulze, Jeffrey J. Coleman, James C. Correll, Sarah F. Covert, Pedro W. Crous, Christina A. Cuomo, G. Sybren De Hoog, Antonio Di Pietro, Wade H. Elmer, Lynn Epstein, Rasmus J.N. Frandsen, Stanley Freeman, Tatiana Gagkaeva, Anthony E. Glenn, Thomas R. Gordon, Nancy F. Gregory, Kim E. Hammond-Kosack, Linda E. Hanson, María Del Mar Jímenez-Gasco, Seogchan Kang, H. Corby Kistler, Gretchen A. Kuldau, John F. Leslie, Antonio Logrieco, Guozhong Lu, Erik Lysøe, Li Jun Ma, Susan P. McCormick, Quirico Migheli, Antonio Moretti, Françoise Munaut, Kerry O'Donnell, Ludwig Pfenning, Randy C. Ploetz, Robert H. Proctor, Stephen A. Rehner, Vincent A.R.G. Robert, Alejandro P. Rooney, Baharuddin Bin Salleh, Maria Mercedes Scandiani, Jonathan Scauflaire, Dylan P.G. Short, Emma Steenkamp, Haruhisa Suga, Brett A. Summerell, Deanna A. Sutton, Ulf Thrane, Francis Trail, Anne Van Diepeningen, Hans D. VanEtten, Altus Viljoen, Cees Waalwijk, Todd J. Ward, Michael J. Wingfield, Jin Rong Xu, Xiao Bing Yang, Tapani Yli-Mattila, Ning Zhang, 2013, Phytopathology on p. 400-408
Unambiguous identification of fungi: Where do we stand and how accurate and precise is fungal DNA barcoding?
Robert Lücking, M. Catherine Aime, Barbara Robbertse, Andrew N. Miller, Hiran A. Ariyawansa, Takayuki Aoki, Gianluigi Cardinali, Pedro W. Crous, Irina S. Druzhinina, David M. Geiser, David L. Hawksworth, Kevin D. Hyde, Laszlo Irinyi, Rajesh Jeewon, Peter R. Johnston, Paul M. Kirk, Elaine Malosso, Tom W. May, Wieland Meyer, Maarja Öpik, Vincent Robert, Marc Stadler, Marco Thines, Duong Vu, Andrey M. Yurkov, Ning Zhang, Conrad L. Schoch, 2020, IMA Fungus
Sequence-based classification and identification of Fungi
David Hibbett, Kessy Abarenkov, Urmas Kõljalg, Maarja Öpik, Benli Chai, James Cole, Qiong Wang, Pedro Crous, Vincent Robert, Thorunn Helgason, Joshua R. Herr, Paul Kirk, Shiloh Lueschow, Kerry O’Donnell, R. Henrik Nilsson, Ryoko Oono, Conrad Schoch, Christopher Smyth, Donald M. Walker, Andrea Porras-Alfaro, John W. Taylor, David M. Geiser, 2016, Mycologia on p. 1049-1068
Phylogenetic relationships among members of the Fusarium solani species complex in human infections and the descriptions of F. keratoplasticum sp. nov. and F. petroliphilum stat. nov.
Dylan P.G. Short, Kerry O'Donnell, Ulf Thrane, Kristian Fog Nielsen, Ning Zhang, Jean H. Juba, David M. Geiser, 2013, Fungal Genetics and Biology on p. 59-70
An inordinate fondness for Fusarium: Phylogenetic diversity of fusaria cultivated by ambrosia beetles in the genus Euwallacea on avocado and other plant hosts
Matthew T. Kasson, Kerry O'Donnell, Alejandro P. Rooney, Stacy Sink, Randy C. Ploetz, Jill N. Ploetz, Joshua L. Konkol, Daniel Carrillo, Stanley Freeman, Zvi Mendel, Jason A. Smith, Adam W. Black, Jiri Hulcr, Craig Bateman, Kristyna Stefkova, Paul R. Campbell, Andrew D.W. Geering, Elizabeth K. Dann, Akif Eskalen, Keerthi Mohotti, Dylan P.G. Short, Takayuki Aoki, Kristi A. Fenstermacher, Donald D. Davis, David M. Geiser, 2013, Fungal Genetics and Biology on p. 147-157
Discordant phylogenies suggest repeated host shifts in the Fusarium-Euwallacea ambrosia beetle mutualism
Kerry O'Donnell, Stacy Sink, Ran Libeskind-Hadas, Jiri Hulcr, Matthew T. Kasson, Randy C. Ploetz, Joshua L. Konkol, Jill N. Ploetz, Daniel Carrillo, Alina Campbell, Rita E. Duncan, Pradeepa N.H. Liyanage, Akif Eskalen, Francis Na, David M. Geiser, Craig Bateman, Stanley Freeman, Zvi Mendel, Michal Sharon, Takayuki Aoki, Allard A. Cossé, Alejandro P. Rooney, 2015, Fungal Genetics and Biology on p. 277-290
News Articles Featuring David Geiser
Mar 18, 2022
Alliance between College of Ag Sciences, University of Pretoria yields benefits
Developing solutions to address threats to plant health is the centerpiece of a partnership between Penn State’s College of Agricultural Sciences and the University of Pretoria in South Africa. The partnership is designed to increase both organizations’ research, teaching and extension impact and growth opportunities, thereby increasing food security and environmental stewardship.
Full Article
May 21, 2019
Science on Tap Explores Mushrooms, Their Genes, and Our Health
Nearly two-thirds of white-button mushrooms consumed in the United States come from Pennsylvania, according to the U.S. Department of Agriculture, and this month's Science on Tap will bring together a pair of Penn State researchers to share their insight into the popular fungus.
Full Article