8,542 results found
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Discovery of a small molecule that inhibits bacterial ribosome biogenesis

    Jonathan M Stokes et al.
    The anticonvulsant drug lamotrigine inhibits bacterial ribosome biogenesis and reveals an unexplored role for initiation factor 2 (IF2) in ribosome assembly.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    A universal vector concept for a direct genotyping of transgenic organisms and a systematic creation of homozygous lines

    Frederic Strobl et al.
    In transgenesis assays involving diploid model organisms, two clearly distinguishable transformation markers embedded in interweaved, but incompatible Lox site pairs allow the systematic creation of homozygous transgenic lines and minimize the number of wasted animals.
    1. Ecology
    2. Evolutionary Biology

    Nitric oxide radicals are emitted by wasp eggs to kill mold fungi

    Erhard Strohm et al.
    To protect their food and themselves against detrimental mould fungi, the eggs of a wasp species synthesize and emit remarkable amounts of gaseous nitrogen oxides that are highly effective antimicrobials.
    1. Developmental Biology
    2. Immunology and Inflammation

    Tissue-resident macrophages promote extracellular matrix homeostasis in the mammary gland stroma of nulliparous mice

    Ying Wang et al.
    A distinct resident macrophage subpopulation that localizes to the adipose stroma and fibrous capsule of the nulliparous mammary gland and to extracellular matrix-enriched stroma surrounding mammary tumors is identified.
    1. Neuroscience

    Combining robotic training and inactivation of the healthy hemisphere restores pre-stroke motor patterns in mice

    Cristina Spalletti et al.
    A combined rehabitative protocol after stroke in the mouse normalizes transcallosal inhibition and promotes "true recovery" of forelimb motor function.
    1. Chromosomes and Gene Expression

    Co-transcriptional R-loops are the main cause of estrogen-induced DNA damage

    Caroline Townsend Stork et al.
    The transcriptional response elicited by the hormone estrogen leads to DNA double-strand breaks by promoting R-loop formation in breast cancer cells.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Plants regenerated from tissue culture contain stable epigenome changes in rice

    Hume Stroud et al.
    The use of tissue culture reduces the chemical modification of plant DNA, and this has lasting effects on gene expression in the plants and their descendants.
    1. Neuroscience

    Brain states govern the spatio-temporal dynamics of resting-state functional connectivity

    Felipe Aedo-Jury et al.
    Distinct brain states govern resting state functional architecture revealed by neurophysiologically defined simultaneous optic-fiber-based calcium recordings and task-free functional magnetic resonance imaging (fMRI) in rats.
    1. Neuroscience

    Optimal level activity of matrix metalloproteinases is critical for adult visual plasticity in the healthy and stroke-affected brain

    Justyna Pielecka-Fortuna et al.
    Matrix metalloproteinases play a crucial role in adult visual plasticity in the brains of healthy and stroke-affected mice and their activity has to be within a narrow window for experience-induced plasticity to occur.
    1. Cell Biology

    An essential and NSF independent role for α-SNAP in store-operated calcium entry

    Yong Miao et al.
    α-SNAP mediated rearrangement of Stim1 and Orai1 molecules within CRAC channel clusters is required for store-operated calcium entry.

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