2,449 results found
    1. Evolutionary Biology
    2. Genetics and Genomics

    The distribution of fitness effects among synonymous mutations in a gene under directional selection

    Eleonore Lebeuf-Taylor et al.
    Synonymous mutations can have highly variable fitness effects stemming from changes in transcription, some of which contribute to adaptation.
    1. Genetics and Genomics

    Codon optimization underpins generalist parasitism in fungi

    Thomas Badet et al.
    Codon optimization through biased synonymous substitutions is a characteristic feature of the genomes of generalist fungal parasites and is associated with the colonization of multiple hosts.
    1. Plant Biology

    Compensatory sequence variation between trans-species small RNAs and their target sites

    Nathan R Johnson et al.
    Superfamilies of trans-species small RNAs from the parasitic plant Cuscuta have sequence variation that correspond to synonymous site variation in host plant target mRNAs.
    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. Neuroscience

    A thesaurus for a neural population code

    Elad Ganmor et al.
    The activity patterns of populations of neurons in the retina are organized as semantic clusters (analogous to synonyms), in which component patterns bear little physical resemblance to one another but convey the same meaning.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Diverse viral proteases activate the NLRP1 inflammasome

    Brian V Tsu et al.
    Proteases from diverse viruses, the first described pathogen-encoded activators of human NLRP1, cleave NLRP1 at a sequence that mimics the viral polyprotein, resulting in inflammasome activation and pro-inflammatory cytokine release.
    1. Genetics and Genomics

    Mutations primarily alter the inclusion of alternatively spliced exons

    Pablo Baeza-Centurion et al.
    Deep mutagenesis reveals that mutations rarely alter the inclusion of highly-included exons.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Stochastic processes constrain the within and between host evolution of influenza virus

    John T McCrone et al.
    An analysis of influenza viruses from naturally infected people suggests a tight transmission bottleneck and little positive selection within hosts.
    1. Genetics and Genomics

    Background selection and biased gene conversion affect more than 95% of the human genome and bias demographic inferences

    Fanny Pouyet et al.
    Background selection and GC-biased gene conversion impact the human genome to a much larger extent than previously recognized in low and high recombination rate regions, respectively.
    1. Genetics and Genomics

    Single-amino acid variants reveal evolutionary processes that shape the biogeography of a global SAR11 subclade

    Tom O Delmont et al.
    An in-depth metagenomic analysis of possibly the most abundant and widespread microbial lineage in the surface ocean teases apart evolutionary processes that maintain its genomic heterogeneity and biogeography.

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