4 Works

Data from: When outgroups fail; phylogenomics of rooting the emerging pathogen, Coxiella burnetii

Talima Pearson, Heidie M. Hornstra, Jason W. Sahl, Sarah Schaack, James M. Schupp, Stephen M. Beckstrom-Sternberg, Matthew W. O'Neill, Rachael A. Priestley, Mia D. Champion, James S. Beckstrom-Sternberg, Gilbert J. Kersh, James E. Samuel, Robert F. Massung & Paul Keim
Rooting phylogenies is critical for understanding evolution, yet the importance, intricacies and difficulties of rooting are often overlooked. For rooting, polymorphic characters among the group of interest (ingroup) must be compared to those of a relative (outgroup) that diverged before the last common ancestor (LCA) of the ingroup. Problems arise if an outgroup does not exist, is unknown, or is so distant that few characters are shared, in which case duplicated genes originating before the...

Data from: Plant genetics and interspecific competitive interactions determine ectomycorrhizal fungal community responses to climate change

Catherine A. Gehring, Dulce Flores-Rentería, Christopher M. Sthultz, Tierra M. Leonard, Lluvia Flores-Rentería, Amy V. Whipple, Thomas G. Whitham & Catherine Gehring
Although the importance of plant-associated microbes is increasingly recognized, little is known about the biotic and abiotic factors that determine the composition of that microbiome. We examined the influence of plant genetic variation, and two stressors, one biotic and one abiotic, on the ectomycorrhizal (EM) fungal community of a dominant tree species, Pinus edulis. During three periods across 16 years that varied in drought severity, we sampled the EM fungal communities of a wild stand...

Data from: Current approaches using genetic distances produce poor estimates of landscape resistance to interindividual dispersal

Tabitha A. Graves, Paul Beier & Jeffrey Andrew Royle
Landscape resistance reflects how difficult it is for genes to move across an area with particular attributes (e.g., land cover, slope). An increasingly popular approach to estimate resistance uses Mantel and partial Mantel tests or causal modeling to relate observed genetic distances to effective distances under alternative sets of resistance parameters. Relatively few alternative sets of resistance parameters are tested, leading to relatively poor coverage of the parameter space. Although this approach does not explicitly...

Data from: Patterns of diversity and adaptation in Glomeromycota from three prairie grasslands

Baoming Ji, Catherine A. Gehring, Gail W. T. Wilson, R. M. Miller, Lluvia Flores-Rentería & Nancy Collins Johnson
Arbuscular mycorrhizal (AM) fungi are widespread root symbionts that often improve the fitness of their plant hosts. We tested whether local adaptation in mycorrhizal symbioses would shape the community structure of these root symbionts in a way that maximizes their symbiotic functioning. We grew a native prairie grass (Andropogon gerardii) with all possible combinations of soils and AM fungal inocula from three different prairies that varied in soil characteristics and disturbance history (two native prairie...

Registration Year

  • 2013
    4

Resource Types

  • Dataset
    4

Affiliations

  • Northern Arizona University
    4
  • Oklahoma State University
    1
  • Translational Genomics Research Institute
    1
  • United States Geological Survey
    1
  • Colorado State University
    1
  • Centers for Disease Control and Prevention
    1
  • Argonne National Laboratory
    1