565 results found
    1. Evolutionary Biology

    Whole genome phylogenies reflect the distributions of recombination rates for many bacterial species

    Thomas Sakoparnig et al.
    For many bacterial species, recombination dominates genome evolution and phylogenetic patterns that have so far been assumed to reflect clonal relationships, in fact reflect variation in recombination rates across lineages.
    1. Immunology and Inflammation
    2. Structural Biology and Molecular Biophysics

    FcγRIIB-I232T polymorphic change allosterically suppresses ligand binding

    Wei Hu et al.
    A single-nucleotide I232T polymorphic change in FcγRIIB's transmembrane domain bends FcγRIIB's ectodomains toward cell membrane to allosterically hinder FcγRIIB's ligand association, providing novel molecular mechanism for functional loss of FcγRIIB-I232T.
    1. Neuroscience

    The genetic organization of longitudinal subcortical volumetric change is stable throughout the lifespan

    Anders Martin Fjell et al.
    Volumetric lifespan change in subcortical structures follows fundamental principles of brain development, lifespan continuity, genetic organization, and age-invariant relationships to cognition.
    1. Neuroscience

    5'-UTR SNP of FGF13 causes translational defect and intellectual disability

    Xingyu Pan et al.
    A 5'-UTR SNP of FGF13 impairs PTBP2 interacting with FGF13 mRNA, leading to reduced FGF13 translation and deficits in brain development and cognitive functions.
    1. Cancer Biology

    A polymorphism in the tumor suppressor p53 affects aging and longevity in mouse models

    Yuhan Zhao et al.
    A mouse model reveals that a p53 SNP impacts longevity via modulating the balance of cancer risk and the self-renewal function of stem/progenitor cells, which supports a role of p53 in regulation of longevity.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    The evolution of drug resistance in clinical isolates of Candida albicans

    Christopher B Ford et al.
    Loss-of-heterozygosity mutations, but not aneuploidies, are linked to the evolution of drug resistance in Candida albicans isolated from immunocompromised patients.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Bedrock radioactivity influences the rate and spectrum of mutation

    Nathanaëlle Saclier et al.
    Subterranean isopods endemic to regions with large igneous rock formations have a higher mutation rate and display an excess of mutations that are typical of an oxidative stress.
    1. Evolutionary Biology
    2. Genetics and Genomics

    A large genomic insertion containing a duplicated follistatin gene is linked to the pea aphid male wing dimorphism

    Binshuang Li et al.
    The application of long-read sequencing to the pea aphid wing dimorphism system reveals genomic structural divergence as a genetic mechanism of adaptation.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Juxtaposition of heterozygous and homozygous regions causes reciprocal crossover remodelling via interference during Arabidopsis meiosis

    Piotr A Ziolkowski et al.
    Heterozygosity changes the balance between interfering and non-interfering crossovers during Arabidopsis meiosis.
    1. Genetics and Genomics

    Non-allelic gene conversion enables rapid evolutionary change at multiple regulatory sites encoded by transposable elements

    Christopher E Ellison, Doris Bachtrog
    Fully functional regulatory elements can arise rapidly from transposable elements via a novel route where non-allelic gene conversion can act to speed up the evolutionary fine-tuning of regulatory elements.

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