485 results found
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    Mechanism of environmentally driven conformational changes that modulate H-NS DNA-bridging activity

    Ramon A van der Valk et al.
    The DNA-bridging efficiency of H-NS, a genome organising and transcription regulatory protein, is modulated by changes in environmental conditions of the cell, which drive a structural rearrangement of the protein.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Bridged filaments of histone-like nucleoid structuring protein pause RNA polymerase and aid termination in bacteria

    Matthew V Kotlajich et al.
    Bridged H-NS filaments inhibit transcript elongation by bacterial RNA polymerase by enhancing backtracking and increasing Rho-dependent termination at a subset of pause sites that are normally poor Rho substrates.
    1. Microbiology and Infectious Disease

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

    Stuti K Desai et al.
    A response regulator acquired via lateral gene transfer has rewired an ancestral genetic circuitry and regulates alternative pathogenic lifestyles.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    IRF4 haploinsufficiency in a family with Whipple’s disease

    Antoine Guérin et al.
    Autosomal dominant IRF4 deficiency is the first genetic etiology of Whipple's disease, a very rare chronic condition following a rather common infection by Tropheryma whipplei.
    1. Computational and Systems Biology
    2. Neuroscience

    Microsaccadic sampling of moving image information provides Drosophila hyperacute vision

    Mikko Juusola et al.
    New experiments and theory reveal how the ability to see image details depends upon photoreceptor function and eye movements, and how fruit flies (Drosophila) see spatial details beyond the optical limit of their compound eyes.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Protein-mediated RNA folding governs sequence-specific interactions between rotavirus genome segments

    Alexander Borodavka et al.
    In rotaviruses, the selective packaging of eleven distinct genomic RNA segments requires virus-encoded protein NSP2 to alter the RNA structures, facilitating their interactions with each other.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Embryonic hematopoiesis modulates the inflammatory response and larval hematopoiesis in Drosophila

    Wael Bazzi et al.
    Distinct hematopoietic waves interact via transcriptional cascades specific to embryonic hemocytes to ensure the proper immune response in Drosophila.​.

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