789 results found
    1. Neuroscience

    Repressor element 1-silencing transcription factor deficiency yields profound hearing loss through Kv7.4 channel upsurge in auditory neurons and hair cells

    Haiwei Zhang, Hongchen Li ... Ping Lv
    In the cochlea, repressor element 1-silencing transcription factor (REST) regulates the expression levels of Kv7.4 and alterations of REST functions result in progressive hearing loss.
    1. Microbiology and Infectious Disease

    Regulatory roles of Escherichia coli 5' UTR and ORF-internal RNAs detected by 3' end mapping

    Philip P Adams, Gabriele Baniulyte ... Joseph T Wade
    Multiple RNA-seq approaches globally mapped RNA 3´ ends resulting in the discovery of numerous and diverse RNA regulators.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    The MAP kinase pathway coordinates crossover designation with disassembly of synaptonemal complex proteins during meiosis

    Saravanapriah Nadarajan, Firaz Mohideen ... Monica P Colaiacovo
    Coordination between crossover designation and synaptonemal complex disassembly is executed via a conserved MAP kinase pathway and is critical for accurate chromosome segregation during meiosis.
    1. Developmental Biology
    2. Neuroscience

    Cannabinoid-induced actomyosin contractility shapes neuronal morphology and growth

    Alexandre B Roland, Ana Ricobaraza ... Zsolt Lenkei
    Cannabinoids inhibit neuronal expansion and growth through the rapid contraction of actomyosin.
    1. Developmental Biology

    Abortive intussusceptive angiogenesis causes multi-cavernous vascular malformations

    Wenqing Li, Virginia Tran ... Mark H Ginsberg
    Genetic studies reveal that mosaic inactivation of ccm2 causes characteristic cerebral cavernous malformations in adult zebrafish and aberrant responses to blood flow that induce the formation of a lethal embryonic multi-cavernous venous malformation.
    1. Cell Biology

    The RhoGAP activity of CYK-4/MgcRacGAP functions non-canonically by promoting RhoA activation during cytokinesis

    Donglei Zhang, Michael Glotzer
    Activation of the key regulator of cytokinesis, RhoA, involves an unexpected contribution by a RhoGAP domain.
    1. Evolutionary Biology

    Multifactorial processes underlie parallel opsin loss in neotropical bats

    Alexa Sadier, Kalina TJ Davies ... Karen E Sears
    Parallel losses of short-wave light sensitivity in diverse bats occurred through independent changes at multiple steps in the conversion of genotype into functional phenotype, including pre-, during, and post-transcription.
    1. Developmental Biology

    Two-step regulation of trachealess ensures tight coupling of cell fate with morphogenesis in the Drosophila trachea

    Takefumi Kondo, Shigeo Hayashi
    The Drosophila tracheal fate is stabilized by the combination of transcriptional programs to control tissue architecture and tissue-level input sensitive to tubular geometry, ensuring the robust mechanism of organ determination.
    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, Daniel R Hron ... Robert Landick
    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. Developmental Biology

    Spatiotemporal recruitment of RhoGTPase protein GRAF inhibits actomyosin ring constriction in Drosophila cellularization

    Swati Sharma, Richa Rikhy
    The RhoGTPase domain containing protein GRAF recruits to the cleavage furrow during myosin II assembly to hydrolyze Rho-GTP and restrict actomyosin contractility for regulating the time of onset of constriction during Drosophila cellularization.

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