943 results found
    1. Immunology and Inflammation
    2. Structural Biology and Molecular Biophysics

    FcγRIIB-I232T polymorphic change allosterically suppresses ligand binding

    Wei Hu, Yong Zhang ... Wei Chen
    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. Ecology
    2. Evolutionary Biology

    Community diversity is associated with intra-species genetic diversity and gene loss in the human gut microbiome

    Naïma Madi, Daisy Chen ... Nandita R Garud
    Longstanding eco-evolutionary theories are tested using shotgun metagenomic data from the human gut microbiome, showing links between community diversity and the evolutionary trajectory of a focal species within the community.
    1. Evolutionary Biology

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

    Thomas Sakoparnig, Chris Field, Erik van Nimwegen
    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. Evolutionary Biology
    2. Genetics and Genomics

    Balancing selection on genomic deletion polymorphisms in humans

    Alber Aqil, Leo Speidel ... Omer Gokcumen
    The effect of balancing selection on the human genome is greater than previously appreciated, especially affecting large deletion variations.
    1. Cell Biology
    2. Evolutionary Biology

    Genetic diversity of CHC22 clathrin impacts its function in glucose metabolism

    Matteo Fumagalli, Stephane M Camus ... Frances M Brodsky
    Natural selection shaped CHC22 clathrin genetic variation in humans with different diets and potentially influenced the human insulin response.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Population scale mapping of transposable element diversity reveals links to gene regulation and epigenomic variation

    Tim Stuart, Steven R Eichten ... Ryan Lister
    Fine mapping of transposable element presence/absence variation amongst 216 Arabidopsis strains uncovers widespread novel genetic diversity that underlies differences in transcription and DNA methylation patterns.
    1. Genetics and Genomics
    2. Immunology and Inflammation

    Genetic and epigenetic variation in the lineage specification of regulatory T cells

    Aaron Arvey, Joris van der Veeken ... Alexander Y Rudensky
    There is limited epigenetic conservation of lineage-specific DNA elements in Treg cells, and genetic variation in Treg cell specific enhancers is associated with autoimmune disease.
    1. Cancer Biology

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

    Yuhan Zhao, Lihua Wu ... Wenwei Hu
    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. Genetics and Genomics
    2. Microbiology and Infectious Disease

    A genome-to-genome analysis of associations between human genetic variation, HIV-1 sequence diversity, and viral control

    István Bartha, Jonathan M Carlson ... Jacques Fellay
    An innovative strategy in genome analysis has generated a detailed description of how pathogens mutate when facing human genetic diversity.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Mutation saturation for fitness effects at human CpG sites

    Ipsita Agarwal, Molly Przeworski
    Methylated CpG sites are saturated for T mutations in a sample of 390K human exomes, providing a test case for inferences about fitness effects in human genes, and insight into the interpretation of mutations as pathogenic using reference datasets.

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