1,719 results found
    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    Protein gradients on the nucleoid position the carbon-fixing organelles of cyanobacteria

    Joshua S MacCready, Pusparanee Hakim ... Daniel C Ducat
    Carboxysomes, the carbon-fixation machinery of cyanobacteria, are equidistantly-positioned by dynamic gradients of the protein McdA on the nucleoid that emerge through interaction with a previously unidentified carboxysome factor, McdB.
    1. Cell Biology

    The negative adipogenesis regulator Dlk1 is transcriptionally regulated by Ifrd1 (TIS7) and translationally by its orthologue Ifrd2 (SKMc15)

    Ilja Vietor, Domagoj Cikes ... Lukas A Huber
    Ifrd1 and Ifrd2 were identified using knockout mice as new molecular players regulating via two discrete mechanisms the activity of the transcriptional regulator Dlk1 and thereby affecting adipocyte differentiation.
    1. Genetics and Genomics

    Ether lipid biosynthesis promotes lifespan extension and enables diverse pro-longevity paradigms in Caenorhabditis elegans

    Lucydalila Cedillo, Fasih M Ahsan ... Alexander A Soukas
    Increased production of ether lipids is required to extend lifespan in response to metformin, phenformin, and multiple, distinct, longevity-promoting manipulations, illuminating the possibility that raising ether lipid levels represents a new therapeutic strategy to support healthy aging.
    1. Developmental Biology
    2. Genetics and Genomics

    Paths and pathways that generate cell-type heterogeneity and developmental progression in hematopoiesis

    Juliet R Girard, Lauren M Goins ... Utpal Banerjee
    A combination of mRNA sequencing and genetic analysis reveals mechanisms that govern the development of distinct differentiated blood cell types from hematopoietic progenitors.
    1. Developmental Biology
    2. Neuroscience

    Adult-born neurons modify excitatory synaptic transmission to existing neurons

    Elena W Adlaf, Ryan J Vaden ... Linda Overstreet-Wadiche
    The formation of new neurons in the adult dentate gyrus causes a proportion of cortical neurons to transfer their existing connections to the newborn cells.
    1. Neuroscience

    Adolescent neurostimulation of dopamine circuit reverses genetic deficits in frontal cortex function

    Surjeet Mastwal, Xinjian Li ... Kuan Hong Wang
    Frontal cortical circuit alterations and cognitive deficits identified in mouse genetic models are reversed by chemogenetic or optogenetic stimulation of the mesocortical dopamine circuit in an adolescent period.
    1. Neuroscience

    TIR-1/SARM1 inhibits axon regeneration and promotes axon degeneration

    Victoria L Czech, Lauren C O'Connor ... Alexandra B Byrne
    TIR-1 regulates both repair and destruction on either side of an injury axon.
    1. Cell Biology
    2. Medicine

    Urine-derived exosomes from individuals with IPF carry pro-fibrotic cargo

    Sharon Elliot, Paola Catanuto ... Marilyn K Glassberg
    A systemic feature of idiopathic pulmonary fibrosis whereby urine-derived exosomes contain pro-fibrotic microRNAs and interfere with response to tissue injury.
    1. Microbiology and Infectious Disease
    2. Neuroscience

    Bacterial meningitis in the early postnatal mouse studied at single-cell resolution

    Jie Wang, Amir Rattner, Jeremy Nathans
    A model of early postnatal bacterial meningitis in the mouse demonstrates the transcriptome responses of each of the major meningeal cell types and should prove useful in dissecting the pathophysiology of bacterial meningitis in human infants.
    1. Developmental Biology
    2. Neuroscience

    Nuclear NAD+-biosynthetic enzyme NMNAT1 facilitates development and early survival of retinal neurons

    David Sokolov, Emily R Sechrest ... Saravanan Kolandaivelu
    NMNAT1, a ubiquitously expressed metabolic enzyme linked to inherited blinding disease, is crucial for the proper differentiation of photoreceptor cells and subsequent survival of multiple cell types in the retina.

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