David M. Geiser

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Affiliate Researcher
Titles and Affiliations
Professor, Plant Pathology and Environmental Microbiology

Research Summary

Research focuses on the molecular evolutionary genetics of fungi, mostly in the realm of molecular phylogenetics and systematics at the species level.

Research Keywords

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Recent Publications

Erratum: Phylogenetic diversity, trichothecene potential, and pathogenicity within Fusarium sambucinum species complex (PLoS ONE (2021) 16:1 (e0245037) DOI: 10.1371/journal.pone.0245037)

Laraba, I., McCormick, S. P., Vaughan, M. M., Geiser, D. M. & O'Donnell, K., Apr 2021, In: PloS one. 16, 4 April, e0250812.

Research output: Contribution to journalComment/debatepeer-review

Phylogenetic diversity, trichothecene potential, and pathogenicity within Fusarium sambucinum species complex

Laraba, I., McCormick, S. P., Vaughan, M. M., Geiser, D. M. & O’Donnell, K., Jan 2021, In: PloS one. 16, 1 January, e0245037.

Research output: Contribution to journalArticlepeer-review

Fungal taxonomy and sequence-based nomenclature

Lücking, R., Aime, M. C., Robbertse, B., Miller, A. N., Aoki, T., Ariyawansa, H. A., Cardinali, G., Crous, P. W., Druzhinina, I. S., Geiser, D. M., Hawksworth, D. L., Hyde, K. D., Irinyi, L., Jeewon, R., Johnston, P. R., Kirk, P. M., Malosso, E., May, T. W., Meyer, W., Nilsson, H. R. & 8 others, Öpik, M., Robert, V., Stadler, M., Thines, M., Vu, D., Yurkov, A. M., Zhang, N. & Schoch, C. L., May 2021, In: Nature Microbiology. 6, 5, p. 540-548 9 p.

Research output: Contribution to journalReview articlepeer-review

Unambiguous identification of fungi: Where do we stand and how accurate and precise is fungal DNA barcoding?

Lücking, R., Aime, M. C., Robbertse, B., Miller, A. N., Ariyawansa, H. A., Aoki, T., Cardinali, G., Crous, P. W., Druzhinina, I. S., Geiser, D. M., Hawksworth, D. L., Hyde, K. D., Irinyi, L., Jeewon, R., Johnston, P. R., Kirk, P. M., Malosso, E., May, T. W., Meyer, W., Öpik, M. & 7 others, Robert, V., Stadler, M., Thines, M., Vu, D., Yurkov, A. M., Zhang, N. & Schoch, C. L., Jul 10 2020, In: IMA Fungus. 11, 1, 33.

Research output: Contribution to journalArticlepeer-review

Evolutionary relationships among Massospora spp. (Entomophthorales), obligate pathogens of cicadas

Macias, A. M., Geiser, D. M., Stajich, J. E., Łukasik, P., Veloso, C., Bublitz, D. A. C., Berger, M. C., Boyce, G. R., Hodge, K. & Kasson, M. T., 2020, In: Mycologia. 112, 6, p. 1060-1074 15 p.

Research output: Contribution to journalArticlepeer-review

No to neocosmospora: Phylogenomic and practical reasons for continued inclusion of the fusarium solani species complex in the genus fusarium

O'Donnell, K., Al-Hatmi, A. M. S., Aoki, T., Brankovics, B., Cano-Lira, J. F., Coleman, J. J., de Hoog, G. S., Di Pietro, A., Frandsen, R. J. N., Geiser, D. M., Gibas, C. F. C., Guarro, J., Kim, H. S., Kistler, H. C., Laraba, I., Leslie, J. F., López-Berges, M. S., Lysøe, E., Meis, J. F., Monod, M. & 17 others, Proctor, R. H., Rep, M., Ruiz-Roldán, C., Šišić, A., Stajich, J. E., Steenkamp, E. T., Summerell, B. A., van der Lee, T. A. J., van Diepeningen, A. D., Verweij, P. E., Waalwijk, C., Ward, T. J., Wickes, B. L., Wiederhold, N. P., Wingfield, M. J., Zhang, N. & Zhang, S. X., Sep 1 2020, In: mSphere. 5, 5, e00810.

Research output: Contribution to journalArticlepeer-review

Three novel Ambrosia Fusarium Clade species producing clavate macroconidia known (F. floridanum and F. obliquiseptatum) or predicted (F. tuaranense) to be farmed by Euwallacea spp. (Coleoptera: Scolytinae) on woody hosts

Aoki, T., Smith, J. A., Kasson, M. T., Freeman, S., Geiser, D. M., Geering, A. D. W. & O’Donnell, K., Nov 2 2019, In: Mycologia. 111, 6, p. 919-935 17 p.

Research output: Contribution to journalArticlepeer-review

Comparative analysis uncovers the limitations of current molecular detection methods for Fusarium oxysporum f. Sp. Cubense Race 4 strains

Magdama, F., Monserrate-Maggi, L., Serrano, L., Sosa, D., Geiser, D. M. & Jiménez-Gasco, M. D. M., Sep 1 2019, In: PloS one. 14, 9, e0222727.

Research output: Contribution to journalArticlepeer-review

Unraveling the ecology and epidemiology of an emerging fungal disease, sea turtle egg fusariosis (STEF)

Smyth, C. W., Sarmiento-Ramírez, J. M., Short, D. P. G., Diéguez-Uribeondoid, J., O’donnell, K. & Geiser, D. M., May 2019, In: PLoS pathogens. 15, 5, e1007682.

Research output: Contribution to journalArticlepeer-review

Molecular systematics of two sister clades, the Fusarium concolor and F. babinda species complexes, and the discovery of a novel microcycle macroconidium–producing species from South Africa

Jacobs-Venter, A., Laraba, I., Geiser, D. M., Busman, M., Vaughan, M. M., Proctor, R. H., McCormick, S. P. & O’Donnell, K., Nov 2 2018, In: Mycologia. 110, 6, p. 1189-1204 16 p.

Research output: Contribution to journalArticlepeer-review