Greg W Douhan

Summary

Affiliation: University of California
Country: USA

Publications

  1. ncbi request reprint Significant diversity and potential problems associated with inferring population structure within the Cenococcum geophilum species complex
    Greg W Douhan
    Department of Plant Pathology and Microbiology, University of California, Riverside, California 92521, USA
    Mycologia 99:812-9. 2007
  2. doi request reprint Population genetics of ectomycorrhizal fungi: from current knowledge to emerging directions
    Greg W Douhan
    Department of Plant Pathology and Microbiology, University of California, Riverside, CA 92521, USA
    Fungal Biol 115:569-97. 2011
  3. doi request reprint Contrasting genetic structure between Magnaporthe grisea populations associated with the golf course turfgrasses Lolium perenne (perennial ryegrass) and Pennisetum clandestinum (kikuyugrass)
    Greg W Douhan
    Department of Plant Pathology and Microbiology, University of California, Riverside 92521, USA
    Phytopathology 101:85-91. 2011
  4. ncbi request reprint Using the putative asexual fungus Cenococcum geophilum as a model to test how species concepts influence recombination analyses using sequence data from multiple loci
    Greg W Douhan
    Department of Plant Pathology and Microbiology, University of California, Riverside, CA 92521, USA
    Curr Genet 52:191-201. 2007
  5. doi request reprint Genetic diversity of Labyrinthula terrestris, a newly emergent plant pathogen, and the discovery of new Labyrinthulid organisms
    Greg W Douhan
    Department of Plant Pathology and Microbiology, University of California, 900 University Avenue, CA 92521, USA
    Mycol Res 113:1192-9. 2009
  6. pmc Multigene analysis suggests ecological speciation in the fungal pathogen Claviceps purpurea
    G W Douhan
    Department of Plant Pathology and Microbiology, University of California, Riverside, CA 92521, USA
    Mol Ecol 17:2276-86. 2008
  7. ncbi request reprint Contrasting root associated fungi of three common oak-woodland plant species based on molecular identification: host specificity or non-specific amplification?
    Greg W Douhan
    Department of Plant Pathology, University of California, Davis, CA 95616, USA
    Mycorrhiza 15:365-72. 2005
  8. doi request reprint Development of molecular markers and preliminary investigation of the population structure and mating system in one lineage of black morel (Morchella elata) in the Pacific Northwestern USA
    Deborah Pagliaccia
    Department of Plant Pathology and Microbiology, University of California, Riverside, CA, USA
    Mycologia 103:969-82. 2011
  9. ncbi request reprint Host-parasite relationships among bolete infecting Hypomyces species
    Greg W Douhan
    Department of Plant Pathology, University of California, Davis, CA 95616, USA
    Mycol Res 107:1342-9. 2003
  10. doi request reprint Inferring dispersal patterns of the generalist root fungus Armillaria mellea
    Renaud Travadon
    Department of Plant Pathology, University of California, Davis, CA 95616, USA
    New Phytol 193:959-69. 2012

Collaborators

Detail Information

Publications15

  1. ncbi request reprint Significant diversity and potential problems associated with inferring population structure within the Cenococcum geophilum species complex
    Greg W Douhan
    Department of Plant Pathology and Microbiology, University of California, Riverside, California 92521, USA
    Mycologia 99:812-9. 2007
    ..geophilum due to the possibility of pooling unrelated isolates. This potential problem also has implications for other fungal taxa because cryptic species routinely have been found in recent years based on molecular data...
  2. doi request reprint Population genetics of ectomycorrhizal fungi: from current knowledge to emerging directions
    Greg W Douhan
    Department of Plant Pathology and Microbiology, University of California, Riverside, CA 92521, USA
    Fungal Biol 115:569-97. 2011
    ..With the rise of the '-omics' sciences, analysis of population structure for non-neutral genes is expected to develop, and forest management and conservation biology will probably profit from published and expected work...
  3. doi request reprint Contrasting genetic structure between Magnaporthe grisea populations associated with the golf course turfgrasses Lolium perenne (perennial ryegrass) and Pennisetum clandestinum (kikuyugrass)
    Greg W Douhan
    Department of Plant Pathology and Microbiology, University of California, Riverside 92521, USA
    Phytopathology 101:85-91. 2011
    ..Augustinegrass in California were the same as isolates collected from the eastern United States...
  4. ncbi request reprint Using the putative asexual fungus Cenococcum geophilum as a model to test how species concepts influence recombination analyses using sequence data from multiple loci
    Greg W Douhan
    Department of Plant Pathology and Microbiology, University of California, Riverside, CA 92521, USA
    Curr Genet 52:191-201. 2007
    ..These results are significant and demonstrate that inferences of population structure can be confounded when isolates are pooled together based entirely on a morphological species concept...
  5. doi request reprint Genetic diversity of Labyrinthula terrestris, a newly emergent plant pathogen, and the discovery of new Labyrinthulid organisms
    Greg W Douhan
    Department of Plant Pathology and Microbiology, University of California, 900 University Avenue, CA 92521, USA
    Mycol Res 113:1192-9. 2009
    ..Our results also suggest that more Labyrinthulid organisms may potentially emerge as new plant pathogens in the future if salinification of agricultural systems continues to increases worldwide...
  6. pmc Multigene analysis suggests ecological speciation in the fungal pathogen Claviceps purpurea
    G W Douhan
    Department of Plant Pathology and Microbiology, University of California, Riverside, CA 92521, USA
    Mol Ecol 17:2276-86. 2008
    ....
  7. ncbi request reprint Contrasting root associated fungi of three common oak-woodland plant species based on molecular identification: host specificity or non-specific amplification?
    Greg W Douhan
    Department of Plant Pathology, University of California, Davis, CA 95616, USA
    Mycorrhiza 15:365-72. 2005
    ....
  8. doi request reprint Development of molecular markers and preliminary investigation of the population structure and mating system in one lineage of black morel (Morchella elata) in the Pacific Northwestern USA
    Deborah Pagliaccia
    Department of Plant Pathology and Microbiology, University of California, Riverside, CA, USA
    Mycologia 103:969-82. 2011
    ..These markers will prove to be valuable tools to study mating system, gene flow and genetic structure of black morels at various spatial scales with field-collected fruiting bodies and eliminate the need to culture samples in vitro...
  9. ncbi request reprint Host-parasite relationships among bolete infecting Hypomyces species
    Greg W Douhan
    Department of Plant Pathology, University of California, Davis, CA 95616, USA
    Mycol Res 107:1342-9. 2003
    ..chriysenteron group, and that H. chrysospermus is more of a generalist pathogen. We also conclude that host-parasite coevolution studies within this system will not be possible until a phylogeny of North American boletes is in place...
  10. doi request reprint Inferring dispersal patterns of the generalist root fungus Armillaria mellea
    Renaud Travadon
    Department of Plant Pathology, University of California, Davis, CA 95616, USA
    New Phytol 193:959-69. 2012
    ..This isolation-by-distance pattern suggests that most spores disperse over a few meters, which is consistent with recent, direct estimates based on spore trapping data...
  11. pmc First report of the ectomycorrhizal status of boletes on the Northern Yucatan Peninsula, Mexico determined using isotopic methods
    Niles J Hasselquist
    Center for Conservation Biology, University of California, Riverside, CA 92521, USA
    Mycorrhiza 21:465-71. 2011
    ....
  12. ncbi request reprint No evidence of population structure across three isolated subpopulations of Russula brevipes in an oak/pine woodland
    Sarah E Bergemann
    University of California, Berkeley, Department of Environmental Science, Policy and Management, Division of Ecosystem Science, 137 Mulford Hall 3114, Berkeley, CA 94720, USA
    New Phytol 170:177-84. 2006
    ..These results indicate that R. brevipes constitutes a randomly mating population with no genetic differentiation between locations or across successive fruiting seasons...
  13. ncbi request reprint Intra-specific and intra-sporocarp ITS variation of ectomycorrhizal fungi as assessed by rDNA sequencing of sporocarps and pooled ectomycorrhizal roots from a Quercus woodland
    Matthew E Smith
    Department of Organismic and Evolutionary Biology and the Farlow Herbarium, Harvard University, 20 Divinity Avenue, Cambridge, MA, 02138, USA
    Mycorrhiza 18:15-22. 2007
    ..We discuss the implications of such widespread ITS variability with special reference to DNA-based environmental sampling from diverse fungal communities...
  14. ncbi request reprint Ectomycorrhizal community structure in a xeric Quercus woodland based on rDNA sequence analysis of sporocarps and pooled roots
    Matthew E Smith
    Department of Plant Pathology, University of California at Davis, Davis, CA 95616, USA
    New Phytol 174:847-63. 2007
    ..This included a large number of resupinate and hypogeous taxa, many of which were detected both above- and below-ground...
  15. ncbi request reprint Ascobotryozyma cognata sp. nov., a new ascomycetous yeast associated with nematodes from wood-boring beetle galleries
    Julia Kerrigan
    Department of Plant Pathology, Washington State University, Pullman, WA 99164, USA
    Mycol Res 107:1110-20. 2003
    ....