20 results found
    1. Evolutionary Biology
    2. Genetics and Genomics

    Unique structure and positive selection promote the rapid divergence of Drosophila Y chromosomes

    Ching-Ho Chang, Lauren E Gregory ... Amanda M Larracuente
    Differences in the usage of DNA repair pathways may give rise to the unique patterns of Y-linked mutations that, together with natural selection, shape rapid Y chromosome evolution.
    1. Genetics and Genomics

    Natural variation in sugar tolerance associates with changes in signaling and mitochondrial ribosome biogenesis

    Richard G Melvin, Nicole Lamichane ... Ville Hietakangas
    The optimal macronutrient composition, macronutrient space, varies strongly between closely related species and is determined by genetic changes in regulatory genes that globally reprogram gene expression profiles of metabolic pathways.
    1. Neuroscience

    Chemoreceptor co-expression in Drosophila melanogaster olfactory neurons

    Darya Task, Chun-Chieh Lin ... Christopher J Potter
    Olfactory neurons of insects, once thought to express only a single type of olfactory receptor, exhibit widespread co-expression of receptors from multiple chemosensory gene families.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Gene flow mediates the role of sex chromosome meiotic drive during complex speciation

    Colin D Meiklejohn, Emily L Landeen ... Daven C Presgraves
    Selfish genetic elements may either promote or prevent the evolution of reproductive barriers, depending on the extent of gene flow between species.
    1. Neuroscience

    Evolutionary shifts in taste coding in the fruit pest Drosophila suzukii

    Hany KM Dweck, Gaëlle JS Talross ... John R Carlson
    The evolutionary transition of the agricultural pest Drosophila suzukii to egg laying on ripe fruits was paralleled with several gustatory innovations.
    1. Cell Biology
    2. Evolutionary Biology

    Ribosome profiling reveals pervasive and regulated stop codon readthrough in Drosophila melanogaster

    Joshua G Dunn, Catherine K Foo ... Jonathan S Weissman
    Ribosomes translate through stop codons far more often than previously thought, yielding C-terminally extended proteins in a variety of eukaryotes.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Synteny-based analyses indicate that sequence divergence is not the main source of orphan genes

    Nikolaos Vakirlis, Anne-Ruxandra Carvunis, Aoife McLysaght
    Homology information implicit in regions of conserved synteny allows quantification of gene origination by complete sequence divergence, revealing a larger-than-expected role for other mechanisms of origin, including de novo origination.
    1. Ecology
    2. Neuroscience

    Olfactory channels associated with the Drosophila maxillary palp mediate short- and long-range attraction

    Hany KM Dweck, Shimaa AM Ebrahim ... Bill S Hansson
    Drosophila's second nose, the maxillary palp, is involved in short- and long-range attraction.
    1. Evolutionary Biology
    2. Genetics and Genomics

    The seminal odorant binding protein Obp56g is required for mating plug formation and male fertility in Drosophila melanogaster

    Nora C Brown, Benjamin Gordon ... Mariana Federica Wolfner
    A functional genetics approach reveals a novel role for odorant binding proteins in post-mating processes, with complex mechanisms of evolutionary change across closely related insect species.
    1. Chromosomes and Gene Expression

    Importance of miRNA stability and alternative primary miRNA isoforms in gene regulation during Drosophila development

    Li Zhou, Mandy Yu Theng Lim ... Katsutomo Okamura
    Selective degradation of mature miRNAs shapes temporal miRNA expression patterns and is important for proper regulation of target genes to support normal development of Drosophila embryos.

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