10,328 results found
    1. Cell Biology
    2. Developmental Biology

    Nr2f1a maintains atrial nkx2.5 expression to repress pacemaker identity within venous atrial cardiomyocytes of zebrafish

    Kendall E Martin, Padmapriyadarshini Ravisankar ... Joshua S Waxman
    The transcription factor Nr2f1a represses ventricular and pacemaker cardiomyocyte identities within distinct regions of the zebrafish atrium.
    1. Chromosomes and Gene Expression
    2. Neuroscience

    Cohesin-dependence of neuronal gene expression relates to chromatin loop length

    Lesly Calderon, Felix D Weiss ... Matthias Merkenschlager
    Cohesin is required for the expression of neuronal genes that engage in long chromatin loops, while short-range enhancer-promoter loops can form in the absence of cohesin.
    1. Neuroscience

    Characterization of developmental and molecular factors underlying release heterogeneity at Drosophila synapses

    Yulia Akbergenova, Karen L Cunningham ... J Troy Littleton
    Active zone release probability is correlated with calcium channel density and calcium influx at single release sites, with release strength increasing in an activity-dependent manner during synapse maturation.
    1. Structural Biology and Molecular Biophysics

    RNA tertiary structure and conformational dynamics revealed by BASH MaP

    Maxim Oleynikov, Samie R Jaffrey
    BASH MaP quantitatively reveals alternative RNA tertiary structures by enabling dimethyl sulfate to probe the presence of nucleobase interactions on the Watson-Crick and Hoogsteen faces of single RNA molecules.
    1. Developmental Biology

    A MSTNDel73C mutation with FGF5 knockout sheep by CRISPR/Cas9 promotes skeletal muscle myofiber hyperplasia

    Ming-Ming Chen, Yue Zhao ... Zheng-Xing Lian
    Newly prepared double gene-edited sheep provide excellent models for skeletal muscle growth and development, and muscle diseases such as muscle atrophy and sarcopenia.
    1. Cell Biology
    2. Genetics and Genomics

    NHR-14 loss of function couples intestinal iron uptake with innate immunity in C. elegans through PQM-1 signaling

    Malini Rajan, Cole P Anderson ... Elizabeth A Leibold
    Nuclear receptor NHR-14 regulates the subcellular localization of the zinc transcription factor PQM-1 to coordinate innate immunity with iron sequestration during pathogen infection in C. elegans..
    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. Cell Biology

    Coalescent RNA-localizing and transcriptional activities of SAM68 modulate adhesion and subendothelial basement membrane assembly

    Zeinab Rekad, Michaël Ruff ... Ellen Van Obberghen-Schilling
    Distinct and direct functions of the RNA binding protein SAM68 regulate integrin signaling and focal adhesion dynamics that condition basement membrane deposition and angiogenic behavior of endothelial cells.
    1. Computational and Systems Biology
    2. Plant Biology

    A coupled mechano-biochemical model for cell polarity guided anisotropic root growth

    Marco Marconi, Marcal Gallemi ... Krzysztof Wabnik
    The spatial-temporal computer model of plant root meristem combines biomechanics and biochemical scales to reveal design principles underlying cell polarity and anisotropic growth during root development.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Recognition and cleavage of human tRNA methyltransferase TRMT1 by the SARS-CoV-2 main protease

    Angel D'Oliviera, Xuhang Dai ... Jeffrey S Mugridge
    The SARS-CoV-2 main protease specifically cleaves a conserved sequence in the human tRNA modifying enzyme TRMT1, resulting in reduced tRNA binding and the complete loss of TRMT1-mediated tRNA methyltransferase activity.

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