335 results found
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Acidic pH and divalent cation sensing by PhoQ are dispensable for systemic salmonellae virulence

    Kevin G Hicks, Scott P Delbecq ... Samuel I Miller
    Receptor recognition of antimicrobial peptides is important for Salmonellae to survive inside macrophages and cause disease.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Evolution of reduced co-activator dependence led to target expansion of a starvation response pathway

    Bin Z He, Xu Zhou, Erin K O’Shea
    The phosphate starvation response network in a commensal yeast evolved to expand its downstream targets via changes in the main transcription factor's dependence on its co-activator, potentially altering the physiological response.
    1. Neuroscience

    Distinct roles of visual, parietal, and frontal motor cortices in memory-guided sensorimotor decisions

    Michael J Goard, Gerald N Pho ... Mriganka Sur
    Visual, parietal, and frontal motor cortices play distinct and necessary roles in mapping sensory features to future motor action.
    1. Biochemistry and Chemical Biology

    Allosteric mechanism of signal transduction in the two-component system histidine kinase PhoQ

    Bruk Mensa, Nicholas F Polizzi ... William F DeGrado
    Mutations along the signaling pathway of the E. coli sensor histidine kinase PhoQ alter signal gain and ligand-sensitivity by altering thermodynamic allosteric coupling between domains.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Effective dynamics of nucleosome configurations at the yeast PHO5 promoter

    Michael Roland Wolff, Andrea Schmid ... Ulrich Gerland
    The integration of multi-nucleosome configuration data with histone turnover and new chromatin accessibility data by systematically investigated 'regulated on-off-slide' models reveals promoter state transitions regulated by just one assembly process.
    1. Microbiology and Infectious Disease

    Mycobacterium tuberculosis PhoP integrates stress response to intracellular survival by regulating cAMP level

    Hina Khan, Partha Paul ... Dibyendu Sarkar
    In a stress-specific manner, Mycobacterium tuberculosis PhoP regulates Rv0805 phosphodiesterase expression to control cAMP level and contributes to intracellular survival of the bacilli.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Inositol pyrophosphate dynamics reveals control of the yeast phosphate starvation program through 1,5-IP8 and the SPX domain of Pho81

    Valentin Chabert, Geun-Don Kim ... Andreas Mayer
    Analysis of inositol pyrophosphate dynamics upon inorganic phosphate (Pi) starvation identifies 1,5-IP8 as the inositol pyrophosphate isomer signaling Pi sufficiency to the SPX domain of Pho81 that controls the transcriptional Pi starvation program.
    1. Microbiology and Infectious Disease
    2. Structural Biology and Molecular Biophysics

    Secreted dengue virus NS1 from infection is predominantly dimeric and in complex with high-density lipoprotein

    Bing Liang Alvin Chew, AN Qi Ngoh ... Dahai Luo
    Molecular architecture of the secreted NS1 dimer from dengue virus infection in complex with a high density lipoprotein particle.
    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. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Adaptation and compensation in a bacterial gene regulatory network evolving under antibiotic selection

    Vishwa Patel, Nishad Matange
    Mutations in gene regulatory proteins set the stage for the evolution of antimicrobial resistance by shifting the fitness landscape of resistance-conferring mutations.

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