3,571 results found
    1. Cell Biology
    2. Developmental Biology

    Caenorhabditis elegans PIEZO channel coordinates multiple reproductive tissues to govern ovulation

    Xiaofei Bai, Jeff Bouffard ... Andy Golden
    Depletion of the mechanosensitive ion channel PEZO-1 in C. elegans disrupts the sheath and spermathecae cells to disrupt oocyte ovulation, resulting in crushed oocytes.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Defining the ultrastructure of the hematopoietic stem cell niche by correlative light and electron microscopy

    Sobhika Agarwala, Keun-Young Kim ... Owen J Tamplin
    Multiple imaging modalities resolved the ultrastructure of single hematopoietic stem cells in their endogenous niche, allowing identification of dopamine beta-hydroxylase positive cells as a functional niche cell type.
    1. Genetics and Genomics

    Exploiting the mediating role of the metabolome to unravel transcript-to-phenotype associations

    Chiara Auwerx, Marie C Sadler ... Eleonora Porcu
    Integrating multi-omics quantitative trait loci and genome-wide association study data into a multivariable Mendelian randomization framework allows to identify metabolite-mediated transcript-to-phenotype causal relations missed by methods focusing on a single omics layer.
    1. Chromosomes and Gene Expression

    Evidence that Mediator is essential for Pol II transcription, but is not a required component of the preinitiation complex in vivo

    Natalia Petrenko, Yi Jin ... Kevin Struhl
    Mediator, a transcriptional coactivator complex, is essential for transcription but is not a required component of a functional preinitiation complex, indicating that Mediator is not equivalent to a general transcription factor.
    1. Cell Biology
    2. Developmental Biology

    Cell-intrinsic and -extrinsic mechanisms promote cell-type-specific cytokinetic diversity

    Tim Davies, Han X Kim ... Julie C Canman
    Functional molecular analysis of cytokinesis in Caenorhabditis elegans four-cell embryos reveals cell-type-specific variation in the fundamental dependence on a robust f-actin cytoskeleton for successful cell division, mediated by both cell-intrinsic and -extrinsic pathways.
    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. Developmental Biology
    2. Evolutionary Biology

    Decoupling from yolk sac is required for extraembryonic tissue spreading in the scuttle fly Megaselia abdita

    Francesca Caroti, Everardo González Avalos ... Steffen Lemke
    Extraembryonic tissue spreading in the scuttle fly Megaselia abdita requires mechanical decoupling from the underlying yolk sac.
    1. Developmental Biology
    2. Genetics and Genomics

    Fat body-specific reduction of CTPS alleviates HFD-induced obesity

    Jingnan Liu, Yuanbing Zhang ... Ji-Long Liu
    Genetic interaction and biochemical analyses have unveiled the crucial involvement of CTPS in the regulation of adipocyte growth, lipid metabolism, and metabolic adaptation in Drosophila, achieved through activating the PI3K-Akt-SREBP pathway.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Synchronization of oscillatory growth prepares fungal hyphae for fusion

    Valentin Wernet, Marius Kriegler ... Reinhard Fischer
    Fungal hyphae constantly undergo signal oscillations, comparable to a cell 'monologue' until they meet another hypha with which they then coordinate signal oscillations and transit into a cell-to-cell dialogue.
    1. Developmental Biology

    The proteolysis of ZP proteins is essential to control cell membrane structure and integrity of developing tracheal tubes in Drosophila

    Leonard Drees, Susi Schneider ... Matthias Behr
    Genetic analyses reveal the importance of dynamic protein processing at the apical cell membrane in response to forces damaging cell membranes during tube expansion in tubular organs.

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