39 Works

Data from: Genomic evidence for the parallel evolution of coastal forms in the Senecio lautus complex

Federico Roda, Luke Ambrose, Gregory M. Walter, Huanle L. Liu, Andrea Schaul, Andrew Lowe, Pieter B. Pelser, Peter Prentis, Loren H. Rieseberg & Daniel Ortiz-Barrientos
Instances of parallel ecotypic divergence where adaptation to similar conditions repeatedly cause similar phenotypic changes in closely related organisms are useful for studying the role of ecological selection in speciation. Here we used a combination of traditional and next generation genotyping techniques to test for the parallel divergence of plants from the Senecio lautus complex, a phenotypically variable groundsel that has adapted to disparate environments in the South Pacific. Phylogenetic analysis of a broad selection...

Data from: Genomic islands of divergence are not affected by geography of speciation in sunflowers.

Sebastien Renaut, Christopher J. Grassa, Sam Yeaman, Zhao Lai, Nolan K. Kane, Brook T. Moyers, John E. Bowers, John M. Burke & Loren H. Rieseberg
Genomic studies of speciation often report the presence of highly differentiated genomic regions interspersed within a milieu of weakly diverged loci. The formation of these speciation islands is generally attributed to reduced inter-population gene flow near loci under divergent selection, but few studies have critically evaluated this hypothesis. Here, we report on transcriptome scans among four recently diverged pairs of sunflower (Helianthus) species that vary in the geographical context of speciation. We find that genetic...

Data from: The genetic basis of speciation in the Giliopsis lineage of Ipomopsis (Polemoniaceae)

Troy E. Wood, Takuya Nakazato & Loren H. Rieseberg
One of the most powerful drivers of speciation in plants is pollinator-mediated disruptive selection, which leads to the divergence of floral traits adapted to the morphology and behavior of different pollinators. Despite the widespread importance of this speciation mechanism, its genetic basis has been explored in only a few groups. Here, we characterize the genetic basis of pollinator-mediated divergence of two species in genus Ipomopsis, I. guttata and I. tenuifolia, using quantitative trait locus (QTL)...

Data from: Early bursts of body size and shape evolution are rare in comparative data

Luke J. Harmon, Jonathan B. Losos, T. Jonathan Davies, Rosemary G. Gillespie, John L. Gittleman, W. Bryan Jennings, Kenneth H. Kozak, Mark A. McPeek, Franck Moreno-Roark, Thomas J. Near, Andy Purvis, Robert E. Ricklefs, Dolph Schluter, , Ole Seehausen, Brian L. Sidlauskas, Omar Torres-Carvajal, Jason T. Weir & Arne Ø. Mooers
George Gaylord Simpson famously postulated that much of life's diversity originated as adaptive radiations—more or less simultaneous divergences of numerous lines from a single ancestral adaptive type. However, identifying adaptive radiations has proven difficult due to a lack of broad-scale comparative datasets. Here, we use phylogenetic comparative data on body size and shape in a diversity of animal clades to test a key model of adaptive radiation, in which initially rapid morphological evolution is followed...

Data from: Evaluation of rockfish conservation area networks in the United States and Canada relative to the dispersal distance for black rockfish (Sebastes melanops)

Katie E. Lotterhos, Stefan J. Dick & Dana R. Haggarty
Marine reserves networks are implemented as a way to mitigate the impact of fishing on marine ecosystems. Theory suggests that a reserve network will function synergistically when connected by dispersal, but the scale of dispersal is often unknown. On the Pacific coast of the United States and Canada, both countries have recently implemented a number of rockfish conservation areas (RCAs) to protect exploited rockfish species, but no study has evaluated the connectivity within networks in...

Data from: Pedigree error due to extra-pair reproduction substantially biases estimates of inbreeding depression

Jane M. Reid, Lukas F. Keller, Amy B. Marr, Pirmin Nietlisbach, Rebecca J. Sardell & Peter Arcese
Understanding the evolutionary dynamics of inbreeding and inbreeding depression requires unbiased estimation of inbreeding depression across diverse mating systems. However, studies estimating inbreeding depression often measure inbreeding with error, for example, based on pedigree data derived from observed parental behavior that ignore paternity error stemming from multiple mating. Such paternity error causes error in estimated coefficients of inbreeding (f) and reproductive success and could bias estimates of inbreeding depression. We used complete “apparent” pedigree data...

Data from: Evolutionarily stable sex ratios and mutation load

Josh Hough, Simone Immler, Spencer C. H. Barrett & Sarah P. Otto
Frequency-dependent selection should drive dioecious populations toward a 1:1 sex ratio, but biased sex ratios are widespread, especially among plants with sex chromosomes. Here, we develop population genetic models to investigate the relationships between evolutionarily stable sex ratios, haploid selection, and deleterious mutation load. We confirm that when haploid selection acts only on the relative fitness of X and Y-bearing pollen and the sex ratio is controlled by the maternal genotype, seed sex ratios evolve...

Data from: A 34K SNP genotyping array for Populus trichocarpa: Design, application to the study of natural populations and transferability to other Populus species

Armando Geraldes, Steve P. DiFazio, Gancho T. Slavov, Priya Ranjan, Wellington Muchero, Jan Hannemann, Lee E. Gunter, Ann M. Wymore, Christopher J. Grassa, Nima Farzaneh, Ilga Porth, Athena D. Mckown, Oleksandr Skyba, Eryang Li, Miki Fujita, Jaroslav Klápště, Joel Martin, Wendy Schackwitz, Christa Pennacchio, Daniel Rokhsar, Michael C. Friedmann, Geoffrey O. Wasteneys, Robert D. Guy, Yousry A. El-Kassaby, Shawn D. Mansfield … & Gerald A. Tuskan
Genetic mapping of quantitative traits requires genotypic data for large numbers of markers in many individuals. For such studies, the use of large single nucleotide polymorphism (SNP) genotyping arrays still offers the most cost-effective solution. Herein we report on the design and performance of a SNP genotyping array for Populus trichocarpa (black cottonwood). This genotyping array was designed with SNPs pre-ascertained in 34 wild accessions covering most of the species latitudinal range. We adopted a...

Data from: Host resistance, population structure and the long-term persistence of bubonic plague: contributions of a modelling approach in the Malagasy focus

Fanny Gascuel, Marc Choisy, Jean-Marc Duplantier, Florence Débarre & Carine Brouat
Although bubonic plague is an endemic zoonosis in many countries around the world, the factors responsible for the persistence of this highly virulent disease remain poorly known. Classically, the endemic persistence of plague is suspected to be due to the coexistence of plague resistant and plague susceptible rodents in natural foci, and/or to a metapopulation structure of reservoirs. Here, we test separately the effect of each of these factors on the long-term persistence of plague....

Data from: Differential migratory timing of western populations of Wilson’s Warblers revealed by mitochondrial DNA and stable isotopes

Kristina L. Paxton, Monica Yau, Frank R. Moore & Darren E. Irwin
Molecular markers and stable isotopes have provided important insights into the migratory connectivity of small landbirds. Research integrating these two methods has primarily focused on linking breeding and wintering sites, rather than focusing on timing of migratory movement of different breeding populations. We used mitochondrial DNA and isotopic markers to infer the timing of various breeding populations of migrating Wilson's Warblers (Cardellina pusilla) moving through a migratory stopover site, demonstrating the value of multiple sources...

Data from: Three keys to the radiation of angiosperms into freezing environments

Amy E. Zanne, David C. Tank, William K. Cornwell, Jonathan M. Eastman, Stephen A. Smith, Richard G. FitzJohn, Daniel J. McGlinn, Brian C. O'Meara, Angela T. Moles, Peter B. Reich, Dana L. Royer, Douglas E. Soltis, Peter F. Stevens, Mark Westoby, Ian J. Wright, Lonnie Aarssen, Robert I. Bertin, Andre Calaminus, Rafaël Govaerts, Frank Hemmings, Michelle R. Leishman, Jacek Oleksyn, Pamela S. Soltis, Nathan G. Swenson, Laura Warman … & Alejandro Ordonez
Early flowering plants are thought to have been woody species restricted to warm habitats1, 2, 3. This lineage has since radiated into almost every climate, with manifold growth forms4. As angiosperms spread and climate changed, they evolved mechanisms to cope with episodic freezing. To explore the evolution of traits underpinning the ability to persist in freezing conditions, we assembled a large species-level database of growth habit (woody or herbaceous; 49,064 species), as well as leaf...

Data from: Lack of parallel genetic patterns underlying the repeated ecological divergence of beach and stream spawning kokanee salmon

Karen K. Frazer & Michael A. Russello
Recent progress in methods for detecting adaptive population divergence in situ shows promise for elucidating the conditions under which selection acts to generate intraspecific diversity. Rapid ecological diversification is common in fishes, however, the role of phenotypic plasticity and adaptation to local environments is poorly understood. It is now possible to investigate genetic patterns to make inferences regarding phenotypic traits under selection and possible mechanisms underlying ecotype divergence, particularly where similar novel phenotypes have arisen...

Data from: Population genetic structure of the western cherry fruit fly Rhagoletis indifferens (Diptera: Tephritidae) in British Columbia, Canada

Sheri A. Maxwell, Howard M. A. Thistlewood & Nusha Keyghobadi
1. Population connectivity and movement are key ecological parameters influencing the impact of pests, and are important considerations in control strategies. For many insects, these parameters are difficult to assess directly, although they may be assessed indirectly using population genetic data. 2. We used microsatellite markers to examine population genetic structure of the western cherry fruit fly, the main pest of cherry crops in western North America, in British Columbia, Canada, and make inferences about...

Data from: Phylogeography and population history of Leopardus guigna, the smallest American felid

Constanza Napolitano, Warren E. Johnson, Jim Sanderson, Stephen J. O'Brien, Rus Hoelzel, Rachel Freer, Nigel Dunstone, Kermit Ritland, Carol E. Ritland, Elie Poulin & A. Rus Hoelzel
The guigna (Leopardus guigna) is the smallest and most-restricted New World cat species, inhabiting only around 160,000 km2 of temperate rain forests in southern South America and is currently threatened by habitat loss, fragmentation and human persecution. We investigated phylogeographic patterns of genetic diversity, demographic history and barriers to gene flow with 116 individuals sampled across the species geographic range by analyzing 1,798 base pairs of the mtDNA (496 bp HVSI region, 720 bp NADH-5...

Registration Year

  • 2013
    39

Resource Types

  • Dataset
    39

Affiliations

  • University of British Columbia
    39
  • Indiana University Bloomington
    6
  • University of Idaho
    4
  • University of Georgia
    3
  • University of Aberdeen
    2
  • University of Minnesota
    2
  • University of Tennessee at Knoxville
    2
  • University of Colorado Boulder
    2
  • Queen's University
    2
  • University of Missouri–St. Louis
    2