180 Works

Data from: Best practices for justifying fossil calibrations

James F. Parham, Philip C. J. Donoghue, Christopher J. Bell, Tyler D. Calway, Jason J. Head, Patricia A. Holroyd, Jun G. Inoue, Randall B. Irmis, Walter G. Joyce, Daniel T. Ksepka, José S. L. Patané, Nathan D. Smith, James E. Tarver, Marcel Van Tuinen, Ziheng Yang, Kenneth D. Angielczyk, Jenny M. Greenwood, Christy A. Hipsley, Jacobs Louis, Peter J. Makovicky, Johannes Müller, Krister T. Smith, Jessica M. Theodor, Rachel C. M. Warnock, Michael J. Benton … & Louis Jacobs
Our ability to correlate biological evolution with climate change, geological evolution, and other historical patterns is essential to understanding the processes that shape biodiversity. Combining data from the fossil record with molecular phylogenetics represents an exciting synthetic approach to this challenge. The first molecular divergence dating analysis (Zuckerkandl and Pauling 1962) was based on a measure of the amino acid differences in the hemoglobin molecule; with replacement rates established (calibrated) using inaccurate paleontological age estimates...

Data from: Aging in the natural world: comparative data reveal similar mortality patterns across primates

Anne M. Bronikowski, Jeanne Altmann, Diane K. Brockman, Marina Cords, Linda M. Fedigan, Anne Pusey, Tara Stoinski, William F. Morris, Karen B. Strier & Susan C. Alberts
Human senescence patterns – late onset of mortality increase, slow mortality acceleration, and exceptional longevity – are often described as unique in the animal world. Using an individual-based dataset from longitudinal studies of wild populations of seven primate species, we show that contrary to assumptions of human uniqueness, human senescence falls within the primate continuum of aging, the tendency for males to have shorter lifespans and higher age-specific mortality than females throughout much of adulthood...

Data from: Successful carnivore identification with faecal DNA across a fragmented Amazonian landscape

Fernanda Michalski, Fernanda Pedone Valdez, Darren Norris, Chris Zieminski, Cyntia Kayo Kashivakura, Cristine S. Trinca, Heath B. Smith, Carly Vynne, Samuel K. Wasser, Jean Paul Metzger & Eduardo Eizirik
The use of scat surveys to obtain DNA has been well documented in temperate areas, where DNA preservation may be more effective than in tropical forests. Samples obtained in the tropics are often exposed to high humidity, warm temperatures, frequent rain, and intense sunlight, all of which can rapidly degrade DNA. Despite these potential problems, we demonstrate successful DNA amplification and sequencing for faeces of carnivores collected in tropical conditions and quantify how sample condition...

Data from: How depressed? Estimates of inbreeding effects during seed development depend on reproductive conditions

Lawrence D. Harder, Nina Hobbhahn & Shane A. Richards
Inbreeding depression can reduce the performance of offspring produced by mating between relatives, with consequences for population dynamics and sexual-system evolution. In flowering plants, inbreeding depression commonly acts most intensely during seed development. This predispersal component is typically estimated by comparing seed production following exclusive self- and cross-pollination, but such estimates are unbiased only if seed production is limited by ovule availability, rather than by pollen receipt or seed-development resources. To overcome this problem, we...

Data from: NEMBASE4: the nematode transcriptome resource

Mark L. Blaxter, James Wasmuth, Benjamin Elsworth & Mark Blaxter
Nematode parasites are of major importance in human health and agriculture, and free-living species deliver essential ecosystem services. The genomics revolution has resulted in the production of many datasets of expressed sequence tags (ESTs) from a phylogenetically wide range of nematode species, but these are not easily compared. NEMBASE4 presents a single portal onto extensively functionally annotated, EST-derived transcriptomes from over sixty species of nematodes, including plant and animal parasites and free-living taxa. Using the...

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