User profiles for D. M. Geiser

David M. Geiser

Professor of Mycology, Department of Plant Pathology and Environmental Microbiology …
Verified email at psu.edu
Cited by 32401

A higher-level phylogenetic classification of the Fungi

…, PW Crous, YC Dai, W Gams, DM Geiser… - Mycological …, 2007 - Elsevier
A comprehensive phylogenetic classification of the kingdom Fungi is proposed, with reference
to recent molecular phylogenetic analyses, and with input from diverse members of the …

A metagenomic survey of microbes in honey bee colony collapse disorder

…, NA Moran, PL Quan, T Briese, M Hornig, DM Geiser… - Science, 2007 - science.org
In colony collapse disorder (CCD), honey bee colonies inexplicably lose their workers. CCD
has resulted in a loss of 50 to 90% of colonies in beekeeping operations across the United …

Reconstructing the early evolution of Fungi using a six-gene phylogeny

…, WA Untereiner, R Lücking, B Büdel, DM Geiser… - Nature, 2006 - nature.com
The ancestors of fungi are believed to be simple aquatic forms with flagellated spores,
similar to members of the extant phylum Chytridiomycota (chytrids). Current classifications …

Phylogenetic species recognition and species concepts in fungi

…, DJ Jacobson, S Kroken, T Kasuga, DM Geiser… - Fungal genetics and …, 2000 - Elsevier
… However, Harrington and Rizzo did not include several recent fungal studies that have
used PSR based on the concordance of gene genealogies to diagnose species (Geiser et al., …

FUSARIUM-ID v. 1.0: A DNA Sequence Database for Identifying Fusarium

DM Geiser, M del Mar Jiménez-Gasco, S Kang… - European journal of …, 2004 - Springer
One of the greatest impediments to the study of Fusarium has been the incorrect and confused
application of species names to toxigenic and pathogenic isolates, owing in large part to …

Molecular evidence for the early colonization of land by fungi and plants

DS Heckman, DM Geiser, BR Eidell, RL Stauffer… - science, 2001 - science.org
The colonization of land by eukaryotes probably was facilitated by a partnership (symbiosis)
between a photosynthesizing organism (phototroph) and a fungus. However, the time when …

The Ascomycota tree of life: a phylum-wide phylogeny clarifies the origin and evolution of fundamental reproductive and ecological traits

…, A Rauhut, P Diederich, D Ertz, DM Geiser… - Systematic …, 2009 - academic.oup.com
We present a 6-gene, 420-species maximum-likelihood phylogeny of Ascomycota, the largest
phylum of Fungi. This analysis is the most taxonomically complete to date with species …

Fusarium Pathogenomics

LJ Ma, DM Geiser, RH Proctor… - Annual review of …, 2013 - annualreviews.org
Fusarium is a genus of filamentous fungi that contains many agronomically important plant
pathogens, mycotoxin producers, and opportunistic human pathogens. Comparative …

Genealogical concordance between the mating type locus and seven other nuclear genes supports formal recognition of nine phylogenetically distinct species within …

K O'Donnell, TJ Ward, DM Geiser, HC Kistler… - Fungal genetics and …, 2004 - Elsevier
Species limits were investigated within the Fusarium graminearum clade (Fg clade) through
phylogenetic analyses of DNA sequences from portions of 11 nuclear genes including the …

Agrobacterium-Mediated Transformation of Fusarium oxysporum: An Efficient Tool for Insertional Mutagenesis and Gene Transfer

…, X Chen, P Romaine, R Raina, DM Geiser… - …, 2001 - Am Phytopath Society
Agrobacterium tumefaciens-mediated transformation (ATMT) has long been used to transfer
genes to a wide variety of plants and has also served as an efficient tool for insertional …