4,258 results found
    1. Genetics and Genomics
    2. Plant Biology

    Natural epigenetic polymorphisms lead to intraspecific variation in Arabidopsis gene imprinting

    Daniela Pignatta et al.
    Individual scientists, scientific communities and scientific journals can do more to assess the publication of irreproducible results, to promote good science, and to increase the efficiency with which the scientific community self-corrects.
    1. Ecology
    2. Plant Biology

    Natural genetic variation in Arabidopsis thaliana defense metabolism genes modulates field fitness

    Rachel Kerwin et al.
    Environmental heterogeneity may contribute to the high levels of genetic variation in glucosinolate genes found in Arabidopsis thaliana.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Natural variation in C. elegans arsenic toxicity is explained by differences in branched chain amino acid metabolism

    Stefan Zdraljevic et al.
    Quantitative genetics approaches using Caenorhabditis elegans facilitate the discovery of a novel arsenic toxicity mechanism.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Natural variation in stochastic photoreceptor specification and color preference in Drosophila

    Caitlin Anderson et al.
    Binding site affinity and transcription factor levels are finely tuned in nature to regulate stochastic expression, setting the ratio of alternative photoreceptor fates and determining color preference.
    1. Genetics and Genomics

    Genetic architecture of natural variation in cuticular hydrocarbon composition in Drosophila melanogaster

    Lauren M Dembeck et al.
    Genome wide association analyses in a wild-derived Drosophila melanogaster population uncover extensive variation in cuticular hydrocarbon composition, which may present a target for natural selection and adaptive evolution.
    1. Ecology

    The Natural History of Model Organisms: Peromyscus mice as a model for studying natural variation

    Nicole L Bedford, Hopi E Hoekstra
    The deer mouse (Peromyscus) has emerged as a model system for studying many aspects of biology, supported by extensive historical knowledge of its fascinating and varied natural history.
    1. Neuroscience

    Dopamine signaling tunes spatial pattern selectivity in C. elegans

    Bicheng Han et al.
    Natural variations in touch-dependent dopamine signaling tune the perception of spatial patterns in C. elegans.
    1. Genetics and Genomics

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

    Richard G Melvin et al.
    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. Developmental Biology

    Developmental evolution of the forebrain in cavefish, from natural variations in neuropeptides to behavior

    Alexandre Alié et al.
    A comparative approach shows that developmental evolution of neuropeptidergic neuronal groups in the hypothalamus of blind cavefish drives adaptive behavioral evolution.

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