58 Works

Data from: The effect of hydroperiod and predation on the diversity of temporary pond zooplankton communities

Marcus Zokan & John M. Drake
In temporary pond ecosystems, it is hypothesized that the two dominant structuring forces on zooplankton communities are predation and demographic constraints due to wetland drying. Both of these forces are deterministic processes that act most strongly at opposing ends of a hydroperiod gradient. Our objective was to test how these two processes affect α- and β-diversity of zooplankton communities derived from a diverse temporary pond system. We hypothesized that decreased hydroperiod length and the presence...

Data from: Orchid phylogenomics and multiple drivers of their extraordinary diversification

Thomas J. Givnish, Daniel Spalink, Mercedes Ames, Stephanie P. Lyon, Steven J. Hunter, Alejandro Zuluaga, William J. D. Iles, Mark A. Clements, Mary T. K. Arroyo, James Leebens-Mack, Lorena Endara, Ricardo Kriebel, Kurt M. Neubig, W. Mark Whitten, Norris H. Williams & Kenneth M. Cameron
Orchids are the most diverse family of angiosperms, with over 25 000 species, more than mammals, birds and reptiles combined. Tests of hypotheses to account for such diversity have been stymied by the lack of a fully resolved broad-scale phylogeny. Here, we provide such a phylogeny, based on 75 chloroplast genes for 39 species representing all orchid subfamilies and 16 of 17 tribes, time-calibrated against 17 angiosperm fossils. A supermatrix analysis places an additional 144...

Data from: Immune response and insulin signalling alter mosquito feeding behaviour to enhance malaria transmission potential

Jose E. Pietri, Lauren J. Cator, Courtney C. Murdock, Johanna R. Ohm, Edwin E. Lews, Andrew F. Read, Shirley Luckhart & Matthew B. Thomas
Malaria parasites alter mosquito feeding behaviour in a way that enhances parasite transmission. This is widely considered a prime example of manipulation of host behaviour to increase onward transmission, but transient immune challenge in the absence of parasites can induce the same behavioural phenotype. Here, we show that alterations in feeding behaviour depend on the timing and dose of immune challenge relative to blood ingestion and that these changes are functionally linked to changes in...

Data from: Variation in opsin genes correlates with signaling ecology in North American fireflies

Sarah E. Sander & David W. Hall
Genes underlying signal reception should evolve to maximize signal detection in a particular environment. In animals, opsins, the protein component of visual pigments, are predicted to evolve according to this expectation. Fireflies are known for their bioluminescent mating signals. The eyes of nocturnal species are expected to maximize the detection of conspecific signal colours emitted in the typical low-light environment. This is not expected for species that have transitioned to diurnal activity in bright daytime...

Data from: Controlled measurement and comparative analysis of cellular components in E. coli reveals broad regulatory changes in response to glucose starvation

John R. Houser, Craig Barnhart, Daniel R. Boutz, Sean M. Carrol, Aurko Dasgupta, Joshua K. Michener, Brittany D. Needham, Ophelia Papoulas, Viswanadham Sridhara, Dariya K. Sydykova, Christopher J. Marx, M. Stephen Trent, Jeffery E. Barrick, Edward M. Marcotte, Claus O. Wilke, Jeffrey E. Barrick & Sean M. Carroll
How do bacteria regulate their cellular physiology in response to starvation? Here, we present a detailed characterization of Escherichia coli growth and starvation over a time-course lasting two weeks. We have measured multiple cellular components, including RNA and proteins at deep genomic coverage, as well as lipid modifications and flux through central metabolism. Our study focuses on the physiological response of E. coli in stationary phase as a result of being starved for glucose, not...

Data from: Demography, traits, and vulnerability to urbanization: can we make generalizations?

Leone M. Brown & Catherine H. Graham
1. Human-induced land cover change threatens species diversity and ecosystem services. The rapid pace of current change makes predicting species’ declines imperative, but leaves little time for thorough study of all species. One solution is to make generalizations about species’ vulnerability to urbanization based on traits common among studied species in decline. 2. To date, most generalizations about traits associated with species’ declines in response to urbanization are based on presence or abundance, or detailed...

Data from: Transcriptomes of parents identify parenting strategies and sexual conflict in a subsocial beetle

Darren J. Parker, Christopher B. Cunningham, Craig A. Walling, Clare E. Stamper, Megan L. Head, Eileen M. Roy-Zokan, Elizabeth C. McKinney, Michael G. Ritchie & Allen J. Moore
Parenting in the burying beetle Nicrophorus vespilloides is complex and, unusually, the sex and number of parents that can be present is flexible. Such flexibility is expected to involve specialized behaviour by the two sexes under biparental conditions. Here, we show that offspring fare equally well regardless of the sex or number of parents present. Comparing transcriptomes, we find a largely overlapping set of differentially expressed genes in both uniparental and biparental females and in...

Data from: Macroevolution of leaf defenses and secondary metabolites across the genus Helianthus

Chase M. Mason, Alan W. Bowsher, Breanna L. Crowell, Rhodesia M. Celoy, Chung-Jui Tsai & Lisa A. Donovan
Leaf defenses are widely recognized as key adaptations and drivers of plant evolution. Across environmentally diverse habitats, the macroevolution of leaf defenses can be predicted by the univariate trade-off model, which predicts that defenses are functionally redundant and thus trade off, and the resource availability hypothesis, which predicts that defense investment is determined by inherent growth rate and that higher defense will evolve in lower resource environments. Here, we examined the evolution of leaf physical...

Registration Year

  • 2015

Resource Types

  • Dataset


  • University of Georgia
  • University of Exeter
  • University of Michigan-Ann Arbor
  • Oregon State University
  • Cornell University
  • The University of Texas at Austin
  • University of California System
  • Duke University
  • Cary Institute of Ecosystem Studies
  • University of Wisconsin-Madison