533 Works

Data from: Differential phasing between circadian clocks in the brain and peripheral organs in humans

Jacob J. Hughey & Atul J. Butte
The daily timing of mammalian physiology is coordinated by circadian clocks throughout the body. Although measurements of clock gene expression indicate that these clocks in mice are normally in phase with each other, the situation in humans remains unclear. We used publicly available data from five studies, comprising over 1000 samples, to compare the phasing of circadian gene expression in human brain and human blood. Surprisingly, after controlling for age, clock gene expression in brain...

Data from: A comparison of genomic islands of differentiation across three young avian species pairs

Darren E. Irwin, Borja Milá, David P. L. Toews, Alan Brelsford, Haley L. Kenyon, Alison N. Porter, Christine Grossen, Kira E. Delmore, Miguel Alcaide & Jessica H. Irwin
Detailed evaluations of genomic variation between sister species often reveal distinct chromosomal regions of high relative differentiation (i.e., “islands of differentiation” in FST), but there is much debate regarding the causes of this pattern. We briefly review the prominent models of genomic islands of differentiation and compare patterns of genomic differentiation in three closely related pairs of New World warblers with the goal of evaluating support for the four models. Each pair (MacGillivray's / mourning...

Data from: Neuroendocrine profiles associated with discrete behavioural variation in Symphodus ocellatus, a species with male alternative reproductive tactics

Bridget M. Nugent, Kelly A. Stiver, Suzanne H. Alonzo, Hans A. Hofmann, B. M. Nugent, K. A. Stiver, S. H. Alonzo & H. A. Hofmann
The molecular mechanisms underlying phenotypic plasticity are not well understood. Identifying mechanisms underlying alternative reproductive tactics (ARTs) in species for which the behavioural and fitness consequences of this variation are well characterized provides an opportunity to integrate evolutionary and mechanistic understanding of the maintenance of variation within populations. In the ocellated wrasse Symphodus ocellatus, the behavioural phenotypes of three distinct male morphs (sneakers, satellites and nesting males), which arise from a single genome, have been...

Data from: Resources for phylogenomic analyses of Australian terrestrial vertebrates

Jason G. Bragg, Sally Potter, Ke Bi, Renee Catullo, Stephen C. Donnellan, Mark D. B. Eldridge, Leo Joseph, J. Scott Keogh, Paul Oliver, Kevin C. Rowe & Craig Moritz
High-throughput sequencing methods promise to improve our ability to infer the evolutionary histories of lineages and to delimit species. These are exciting prospects for the study of Australian vertebrates, a group comprised of many globally unique lineages with a long history of isolation. The evolutionary relationships within many of these lineages have been difficult to resolve with small numbers of loci, and we now know that many lineages also exhibit substantial cryptic diversity. Here, we...

Data from: Genomics of Compositae crops: reference transcriptome assemblies, and evidence of hybridization with wild relatives

Kathryn A. Hodgins, Zhao Lai, Luiz O. Oliveira, David W. Still, Moira Scascitelli, Michael S. Barker, Nolan C. Kane, Hannes Dempewolf, Alex Kozik, Richard V. Kesseli, John M. Burke, Richard W. Michelmore & Loren H. Rieseberg
Although the Compositae harbours only two major food crops, sunflower and lettuce, many other species in this family are utilized by humans and have experienced various levels of domestication. Here we have used next generation sequencing technology to develop 15 reference transcriptome assemblies for Compositae crops or their wild relatives. These data allow us to gain insight into the evolutionary and genomic consequences of plant domestication. Specifically, we performed Illumina sequencing of Cichorium endivia, Cichorium...

Data from: The seasonal climate niche predicts phenology and distribution of an ephemeral annual plant, Mollugo verticillata

Joe Hereford, Johanna Schmitt & David D. Ackerly
1.Many short-lived species complete their life cycles during brief seasonal windows of favorable environmental conditions. Such species may persist in the face of climate warming by migration to track their seasonal climate niche in space and/or by phenological shifts to track favorable conditions in time within the year. To describe the seasonal climate niche of the short-lived annual Mollugo verticillata in California, we used data from herbarium specimens and historic climate records to estimate environmental...

Data from: Phylogenomic insights into the evolution of stinging wasps and the origins of ants and bees

Michael G. Branstetter, Bryan N. Danforth, James P. Pitts, Brant C. Faircloth, Philip S. Ward, Matthew L. Buffington, Michael W. Gates, Robert R. Kula & Seán G. Brady
The stinging wasps (Hymenoptera: Aculeata) are an extremely diverse lineage of hymenopteran insects, encompassing over 70,000 described species and a diversity of life history traits, including ectoparasitism, cleptoparasitism, predation, pollen feeding (bees [Anthophila] and Masarinae) and eusociality (social vespid wasps, ants, and some bees) [1]. The most well-studied lineages of Aculeata are the ants, which are ecologically dominant in most terrestrial ecosystems [2], and the bees, the most important lineage of angiosperm-pollinating insects [3]. Establishing...

Data from: Distinct predatory behaviors in scimitar- and dirk-toothed sabertooth cats

Borja Figueirido, Stephan Lautenschlager, Alejandro Perez-Ramos & Blaire Van Valkenburgh
Over the Cenozoic, large cat-like forms have convergently evolved into specialized killers of ‘megaherbivores’ that relied on their large, and laterally-compressed (saber-like) canines to rapidly subdue their prey [1-5]. Scimitar- and dirk-toothed sabertooths are distinct ecomorphs that differ in canine tooth length, degree of serration, and postcranial features indicative of dissimilar predatory behavior [6-13]. Despite these differences, it is assumed that they used a similar ‘canine-shear’ bite to kill their prey [14,15]. We investigated the...

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