Search Results - "Shafer, Aaron"

Widespread evidence for incipient ecological speciation: a meta-analysis of isolation-by-ecology by Shafer, Aaron B. A., Wolf, Jochen B. W.

“…Ecologically mediated selection has increasingly become recognised as an important driver of speciation. The correlation between neutral genetic…”
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The Peril of Gene-Targeted Conservation by Kardos, Marty, Shafer, Aaron B.A.

“…The genomics revolution has sparked interest in using our increased understanding of the loci involved in phenotypic variation and adaptation to advance the…”
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Of glaciers and refugia: a decade of study sheds new light on the phylogeography of northwestern North America by SHAFER, AARON B. A., CULLINGHAM, CATHERINE I., CÔTÉ, STEEVE D., COLTMAN, DAVID W.

“…Glacial cycles have played a dominant role in shaping the genetic structure and distribution of biota in northwestern North America. The two major ice age…”
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Contrasting whole-genome and reduced representation sequencing for population demographic and adaptive inference: an alpine mammal case study by Martchenko, Daria, Shafer, Aaron B A

“…Genomes capture the adaptive and demographic history of a species, but the choice of sequencing strategy and sample size can impact such inferences. We…”
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Speciation without gene‐flow in hybridizing deer by Kessler, Camille, Wootton, Eric, Shafer, Aaron B. A.

“…Under the ecological speciation model, divergent selection acts on ecological differences between populations, gradually creating barriers to gene flow and…”
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Genomic Analyses Capture the Human-Induced Demographic Collapse and Recovery in a Wide-Ranging Cervid by Kessler, Camille, Shafer, Aaron B A

“…The glacial cycles of the Quaternary heavily impacted species through successions of population contractions and expansions. Similarly, populations have been…”
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Bioinformatic processing of RAD‐seq data dramatically impacts downstream population genetic inference by Shafer, Aaron B. A., Peart, Claire R., Tusso, Sergio, Maayan, Inbar, Brelsford, Alan, Wheat, Christopher W., Wolf, Jochen B. W., Gilbert, M.

“…Summary Restriction site‐associated DNA sequencing (RAD‐seq) provides high‐resolution population genomic data at low cost, and has become an important…”
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Quantifying visible absorbance changes and DNA degradation in aging bloodstains under extreme temperatures by Cossette, Marie-Laurence, Stotesbury, Theresa, Shafer, Aaron B.A.

“…[Display omitted] •Combined DNA and hemoglobin degradation data for bloodstain time since deposition.•Temperature extremes affect the degradation profile of…”
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Epigenetic clocks, sex markers and age‐class diagnostics in three harvested large mammals by Czajka, Natalie, Northrup, Joseph M., Jones, Meaghan J., Shafer, Aaron B. A.

“…The development of epigenetic clocks, or the DNA methylation‐based inference of age, is an emerging tool for ageing in free ranging populations. In this study,…”
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Genome‐scale sampling suggests cryptic epigenetic structuring and insular divergence in Canada lynx by Meröndun, Justin, Murray, Dennis L., Shafer, Aaron B. A.

“…Determining the molecular signatures of adaptive differentiation is a fundamental component of evolutionary biology. A key challenge is to identify such…”
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Genomic health is dependent on long‐term population demographic history by Wootton, Eric, Robert, Claude, Taillon, Joëlle, Côté, Steeve D., Shafer, Aaron B. A.

“…Current genetic methods of population assessment in conservation biology have been challenged by genome‐scale analyses due to their quantitatively novel…”
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Long‐term data reveal effects of climate, road access, and latitude on mountain goat horn size by Martchenko, Daria, White, Kevin S., Shafer, Aaron B. A.

“…Potential negative artificial selection on horn size is a concern for many harvested ungulates. The mountain goat (Oreamnos americanus) has distinct black…”
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Development of genomic resources for cattails ( Typha ), a globally important macrophyte genus by Aleman, Alberto, Dorken, Marcel E., Shafer, Aaron B. A., Patel, Tulsi, Volkova, Polina A., Freeland, Joanna R.

“…Abstract A critical knowledge gap in freshwater plant research is the lack of genetic tools necessary to answer fundamental questions about their demographic…”
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Epigenetics and island‐mainland divergence in an insectivorous small mammal by Cossette, Marie‐Laurence, Stewart, Donald T., Haghani, Amin, Zoller, Joseph A., Shafer, Aaron B. A., Horvath, Steve

“…Geographically isolated populations, specifically island‐mainland counterparts, tend to exhibit phenotypic variation in many species. The so‐called island…”
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Forecasting Ecological Genomics: High-Tech Animal Instrumentation Meets High-Throughput Sequencing by Shafer, Aaron B A, Northrup, Joseph M, Wikelski, Martin, Wittemyer, George, Wolf, Jochen B W

“…Recent advancements in animal tracking technology and high-throughput sequencing are rapidly changing the questions and scope of research in the biological…”
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Island demographics and trait associations in white-tailed deer by Cars, Brooklyn S, Kessler, Camille, Hoffman, Eric A, Côté, Steeve D, Koelsch, Daniel, Shafer, Aaron B A

“…When a population is isolated and composed of few individuals, genetic drift is the paramount evolutionary force and results in the loss of genetic diversity…”
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Genome assembly, annotation, and comparative analysis of the cattail Typha latifolia by Widanagama, Shane D, Freeland, Joanna R, Xu, Xinwei, Shafer, Aaron B A

“…Cattails (Typha species) comprise a genus of emergent wetland plants with a global distribution. Typha latifolia and Typha angustifolia are two of the most…”
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Quantifying the effects of recent glacial history and future climate change on a unique population of mountain goats by Young, Kiana B., Lewis, Tania M., White, Kevin S., Shafer, Aaron B.A.

“…Human disturbance and climate change can impact populations by disrupting movement corridors and reducing important habitat. Characterizing how animals respond…”
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Genome Assembly and Analysis of the North American Mountain Goat ( Oreamnos americanus ) Reveals Species-Level Responses to Extreme Environments by Martchenko, Daria, Chikhi, Rayan, Shafer, Aaron B A

“…The North American mountain goat ( ) is an iconic alpine species that faces stressors from climate change, industrial development, and recreational activities…”
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An Exploratory Time Since Deposition Analysis of Whole Blood Using Metrics of DNA Degradation and Visible Absorbance Spectroscopy by Stotesbury, Theresa, Cossette, Marie-Laurence, Newell-Bell, Tamara, Shafer, Aaron B. A.

“…Establishing the age of a bloodstain provides forensic investigators with critical information on the time that a crime occurred. Our work presents a time…”
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