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Science & Publishing

  • Newborn Shetland pony foal not affected by skeletal atavism. © Copyright Mike Pennington and licensed for reuse under this Creative Commons License.
    Science & Publishing

    Genetic test helps ponies leave the past behind

    For the past several decades, Shetland ponies’ collective past had caught up with them. A portion of the population of these miniature horses is affected by atavism, a phenomenon in which ancient characteristics are accidentally revived by mutations. Traits reincarnated in this way sometimes interact disastrously with the genetic background of the modern organism. For…

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    Primers: Make friends with a new model organism

    We hope everyone at The Allied Genetics Conference this week will take the opportunity to attend some presentations outside their “home” genetics community. But we realize that sometimes listening to talks in a new field can feel like visiting a foreign country, with its own language, unfamiliar customs, and insider jokes. If only you had…

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    New in G3: Drosophila doublesex, Shetland pony SHOX, and SNP-SNP interactions

    Check out the July issue of G3! ForestPMPlot: A Flexible Tool for Visualizing Heterogeneity Between Studies in Meta-analysis Eun Yong Kang, Yurang Park, Xiao Li, Ayellet V. Segrè, Buhm Han, and Eleazar Eskin G3 July 2016 6:1793-1798; Early Online May 18, 2016 doi:10.1534/g3.116.029439 Abstract | Full Text | Full Text (PDF) Sex Differences in Drosophila…

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    July GENETICS Highlights

    Check out the July issue of GENETICS by looking at the highlights or the full table of contents! This Month’s Centennial Articles Alfred Sturtevant and George Beadle untangle inversions, pp. 1001-1003 R. Scott Hawley and Barry Ganetzky R. Scott Hawley and Barry Ganetzky introduce Sturtevant and Beadle’s 1936 Classic that explained why inversion heterozygosity in the Drosophila X…

  • This cell is preparing to divide. Two copies of each chromosome (blue) are lined up next to each other in the center of the cell. Next, protein strands (red) will pull apart these paired chromosomes and drag them to opposite sides of the cell. The cell will then split to form two daughter cells, each with a single, complete set of chromosomes. Image and caption credit: Jane Stout, Indiana University, 2012 GE Healthcare Cell Imaging Competition winner.
    Science & Publishing

    Two-faced protein both speeds and slows cell cycle

    Although some proteins have a single career, many—like Dis3—lead a double life. In the yeast Schizosaccharomyces pombe, loss-of-function mutations in dis3 cause defects in mitosis, implying that Dis3 normally supports cell cycle progression. But perplexingly, results in humans suggest that Dis3 normally slows cell cycle progression: mutations that partially disable dis3 contribute to the development…

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    ‘Omics’ data improves breast cancer survival prediction

    Precise predictions of whether a tumor is likely to spread would help clinicians and patients choose the best course of treatment. But current methods fall short of the precision needed. New research in this month’s issue of GENETICS reveals that profiling primary tumor samples using genomic technologies can improve the accuracy of breast cancer survival predictions…

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    Learning & Doing: GSA Awardee Bill Wood interview in GENETICS

    So much is easily accessible on the internet now, there’s no need to pack students’ heads with information; what’s important is that we teach students how to learn on their own. —William B. Wood Bill Wood has been a pioneer in the reform of science teaching. Along with his many scientific accomplishments, Wood’s leadership has been…

  • Helonias bullata, a species threatened with extinction. Its low genetic diversity, a factor contributing to its decline, may have been caused by a high rate of self-fertilization. By Hedwig Storch (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons.
    Science & Publishing

    Selfish self-fertilization hampers adaptation

    When finding a mate is difficult, self-fertilization offers a tempting solution by increasing the number of offspring an individual can produce. But although “selfing” provides a stopgap solution when mates are scarce, it is frequently an evolutionary dead end; when environmental conditions change, species with high selfing rates seem prone to extinction. In an article…

  • Molecular model of penicillin, the first antibiotic discovered. Later, antimicrobial peptides were also found to have antibiotic properties. By Science Museum London / Science and Society Picture Library [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons.
    Science & Publishing

    How bacteria dodge new antibiotic candidates

    Antibiotics, a vital tool for fighting infections, were originally products of nature—the first antibiotic was serendipitously discovered in mold contaminating a bacterial culture. As antibiotic resistance becomes an increasingly serious threat, scientists are attempting to wring another type of pathogen-fighting drug from the wild: antimicrobial peptides. Antimicrobial peptides, or AMPs, are found in almost every…

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    Fecal alchemy: Turning poop into genomics gold

    When it comes to genotyping technology, poop genetics is stuck in the 1990s. While most geneticists are now awash in genome-scale data from thousands of individuals, those who depend on  fecal and other non-invasively collected samples still rely on old-school, boutique panels of a dozen or so genetic markers. But feces — along with fur,…

  • Marine sticklebacks schooling. Courtesy of Anna Greenwood.
    Science & Publishing

    Fish with robot friends: linking genes to behavior

    The relative contributions of nature and nurture to behavior are a perennial source of dispute. That there is a genetic component is clear, but frustratingly, only a handful of specific genes are known to directly influence behavior in vertebrates. In the June issue of GENETICS, Greenwood et al. describe how they pinned down one of…