659 results found
    1. Genetics and Genomics

    Sex-specific splicing occurs genome-wide during early Drosophila embryogenesis

    Mukulika Ray, Ashley Mae Conard ... Erica Larschan
    Combining computational and experimental approaches reveals that the loss of a maternal transcription factor influences sex-biased differential splicing in the early zygotic transcriptome at genes that are critical for normal developmental processes.
    1. Epidemiology and Global Health
    2. Microbiology and Infectious Disease

    In-host population dynamics of Mycobacterium tuberculosis complex during active disease

    Roger Vargas, Luca Freschi ... Maha Reda Farhat
    Bulk whole genome sequencing data can be used to study the genetic variation present in pathogenic bacterial populations over the time-course of a single infection within a host.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Predicting bacterial promoter function and evolution from random sequences

    Mato Lagator, Srdjan Sarikas ... Gašper Tkačik
    An inferred mechanistic model that connects sequence (genotype) to function (constitutive gene expression phenotype) for any random sequence in Escherichia coli reveals the structure of constitutive promoters and how they evolve.
    1. Neuroscience

    Drosulfakinin signaling encodes early-life memory for adaptive social plasticity

    Jiwon Jeong, Kujin Kwon ... Chunghun Lim
    Social clustering behaviors in Drosophila are closely tied to compensatory mechanisms for developmental traits and adaptive behavior plasticity, requiring early-life social experiences and the memory-encoding neuropeptide signaling pathway.
    1. Developmental Biology
    2. Neuroscience

    Diversification of multipotential postmitotic mouse retinal ganglion cell precursors into discrete types

    Karthik Shekhar, Irene E Whitney ... Joshua R Sanes
    Single-cell transcriptomic analysis of developing retinal ganglion cells in mice suggests that their diversification into 45 discrete types occurs via the gradual restriction of multipotential precursors.
    1. Evolutionary Biology

    Subterranean mammals show convergent regression in ocular genes and enhancers, along with adaptation to tunneling

    Raghavendran Partha, Bharesh K Chauhan ... Nathan L Clark
    Repeated evolution of eye regression in subterranean mammals helps identify genes and regulatory elements involved in visual perception and development of the eye, and predicts candidate sequences with a potential role in ocular disorders.
    1. Evolutionary Biology

    An estimate of the deepest branches of the tree of life from ancient vertically evolving genes

    Edmund RR Moody, Tara A Mahendrarajah ... Tom A Williams
    Relatively few genes have evolved vertically from the last universal common ancestor to modern prokaryotes, and phylogenetic analysis of these genes demonstrates a great genetic distance between Archaea and Bacteria.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Asynchrony between virus diversity and antibody selection limits influenza virus evolution

    Dylan H Morris, Velislava N Petrova ... Colin A Russell
    Despite the virus' error prone polymerase, influenza virus antigenic evolution is rare, even in previously immune hosts, virus replication occurs before producing new antibodies.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Active site geometry stabilization of a presenilin homolog by the lipid bilayer promotes intramembrane proteolysis

    Lukas P Feilen, Shu-Yu Chen ... Harald Steiner
    Biochemical studies in combination with computational modeling and molecular dynamics simulations reveal that the lipid bilayer promotes intramembrane proteolysis by stabilizing the enzyme-substrate complex and the protease active site.
    1. Developmental Biology
    2. Genetics and Genomics

    Genome-wide errant targeting by Hairy

    Kurtulus Kok, Ahmet Ay ... David N Arnosti
    Pervasive ‘futile cycling’ by chromatin-modifying factors suggests a mechanism for creating new links in gene regulatory networks.

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