5 Works

Data from: Episodic radiations in the fly tree of life

Brian M. Wiegmann, Michelle D. Trautwein, Isaac S. Winkler, Norman B. Barr, Jung-Wook Kim, Christine Lambkin, Matthew A. Bertone, Brian K. Cassel, Keith M. Bayless, Alysha M. Heimberg, Benjamin M. Wheeler, Kevin J. Peterson, Thomas Pape, Bradley J. Sinclair, Jeffrey H. Skevington, Vladimir Blagoderov, Jason Caravas, Sujatha Narayanan Kutty, Urs Schmidt-Ott, Gail E. Kampmeier, F. Christian Thompson, David A. Grimaldi, Andrew T. Beckenbach, Gregory W. Courtney, Markus Friedrich … & J.-W. Kim
Flies are one of four superradiations of insects (along with beetles, wasps, and moths) that account for the majority of animal life on Earth. Diptera includes species known for their ubiquity (Musca domestica house fly), their role as pests (Anopheles gambiae malaria mosquito), and their value as model organisms across the biological sciences (Drosophila melanogaster). A resolved phylogeny for flies provides a framework for genomic, developmental, and evolutionary studies by facilitating comparisons across model organisms,...

Data from: Pleistocene and ecological effects on continental-scale genetic differentiation in the bobcat (Lynx rufus)

Dawn M. Reding, Anne M. Bronikowski, Warren E. Johnson & William R. Clark
The potential for widespread, mobile species to exhibit genetic structure without clear geographic barriers is a topic of growing interest. Yet the patterns and mechanisms of structure – particularly over broad spatial scales – remain largely unexplored for these species. Bobcats occur across North America and possess many characteristics expected to promote gene flow. To test whether historical, topographic, or ecological factors have influenced genetic differentiation in this species, we analyzed 1 KB mtDNA sequence...

Data from: Comparing evolutionary rates for different phenotypic traits on a phylogeny using likelihood

Dean C. Adams
In recent years, likelihood-based approaches have been used with increasing frequency to evaluate macroevolutionary hypotheses of phenotypic evolution under distinct evolutionary processes in a phylogenetic context (e.g., Brownian motion, Ornstein-Uhlenbeck, etc.), and to compare one or more evolutionary rates for the same phenotypic trait along a phylogeny. It is also of interest to determine whether one trait evolves at a faster rate than another trait. However, to date no study has compared phylogenetic evolutionary rates...

Data from: Leaf size in three generations of a dioecious tropical tree, Ocotea tenera (Lauraceae): sexual dimorphism and changes with age

Nathaniel T. Wheelwright, Jordan Sinclair, Cris Hochwender, Frederic Janzen, Fredric J. Janzen & Jordan P. Sinclair
PREMISE OF THE STUDY: In dioecious species, selection should favor different leaf sizes in males and females whenever the sexes experience distinct environments or constraints, such as different costs of reproduction. We took advantage of a long-term experimental study of Ocotea tenera (Lauraceae), a dioecious understory tree in Monteverde, Costa Rica, to explore leaf size differences between genders and age classes across generations. METHODS: We measured leaf size in adult trees in a natural population,...

Data from: A missense mutation in AGTPBP1 was identified in sheep with a lower motor neuron disease

Dorian J. Garrick, Xia Zhao, Suneel K. Onteru, Keren E. Dittmer, Kathleen Parton, Hugh T. Blair & M. F. Rothschild
A type of lower motor neuron (LMN) disease inherited as autosomal recessive in Romney sheep was characterized with normal appearance at birth, but with progressive weakness and tetraparesis after the first week of life. Here, we carried out genome-wide homozygosity mapping using Illumina Ovine SNP50 BeadChips on lambs descended from one carrier ram, including 19 sheep diagnosed as affected and 11 of their parents that were therefore known carriers. A homozygous region of 136 consecutive...

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