422 results found
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    An atlas of the binding specificities of transcription factors in Pseudomonas aeruginosa directs prediction of novel regulators in virulence

    Tingting Wang, Wenju Sun ... Jian Yan
    The transcription factor (TF)-binding specificities of Pseudomonas aeruginosa allow us to predict virulence-associated TFs and their target genes, which will facilitate to find effective treatment and prevention for its associated diseases.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    A pH-sensitive switch activates virulence in Salmonella

    Dasvit Shetty, Linda J Kenney
    A single conserved residue – histidine 12 – confers pH-sensitive DNA binding to the Salmonella Typhimurium SPI-2 transcriptional regulator SsrB, thereby regulating Salmonella virulence.
    1. Chromosomes and Gene Expression
    2. Microbiology and Infectious Disease

    RNase III-mediated processing of a trans-acting bacterial sRNA and its cis-encoded antagonist

    Sarah Lauren Svensson, Cynthia Mira Sharma
    Functional characterization of a pair of cis-encoded antisense RNAs reveals a role for RNase III and antisense regulation in the biogenesis and regulatory activity of a bacterial virulence factor-regulating small RNA.
    1. Chromosomes and Gene Expression
    2. Microbiology and Infectious Disease

    A bipartite iron-dependent transcriptional regulation of the tryptophan salvage pathway in Chlamydia trachomatis

    Nick D Pokorzynski, Amanda J Brinkworth, Rey Carabeo
    Analysis of the atypical tryptophan biosynthetic operon of Chlamydia trachomatis revealed the simultaneous regulation of transcriptional initiation and termination by an iron-dependent repressor, expanding known regulatory mechanisms of this pathway.
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    A long-term epigenetic memory switch controls bacterial virulence bimodality

    Irine Ronin, Naama Katsowich ... Nathalie Q Balaban
    Hysteretic switching between virulence states has been observed in a human pathogen.
    1. Microbiology and Infectious Disease

    RNA polymerase III is involved in regulating Plasmodium falciparum virulence

    Gretchen Diffendall, Aurélie Claës ... Artur Scherf
    1. Microbiology and Infectious Disease

    The horizontally-acquired response regulator SsrB drives a Salmonella lifestyle switch by relieving biofilm silencing

    Stuti K Desai, Ricksen S Winardhi ... Linda J Kenney
    A response regulator acquired via lateral gene transfer has rewired an ancestral genetic circuitry and regulates alternative pathogenic lifestyles.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Structural, mechanistic, and physiological insights into phospholipase A-mediated membrane phospholipid degradation in Pseudomonas aeruginosa

    Florian Bleffert, Joachim Granzin ... Filip Kovacic
    Membrane homeostasis in bacteria relies on the controlled degradation of endogenous phospholipids by intracellular phospholipases A, however their structures and catalytic mechanism are still poorly understood.
    1. Microbiology and Infectious Disease

    Integrated sensing of host stresses by inhibition of a cytoplasmic two-component system controls M. tuberculosis acute lung infection

    John A Buglino, Gaurav D Sankhe ... Michael S Glickman
    M. tuberculosis, the bacterium that causes the disease tuberculosis, uses a signaling system that senses multiple products of the host's immune system to modify gene expression to colonize the lung.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Vibrio cholerae’s ToxRS bile sensing system

    Nina Gubensäk, Theo Sagmeister ... Tea Pavkov-Keller
    The sensory regulatory system of the cholera causative involves the detection of bile acids by direct interaction with the inner membrane protein complex formed by ToxR and ToxS, thereby inducing concentration-dependent structural changes.

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