1,558 results found
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Determinants shaping the nanoscale architecture of the mouse rod outer segment

    Matthias Pöge, Julia Mahamid ... Wolfgang Baumeister
    Cryo-electron tomography of close-to-native rod outer segments resolves connectors between disks and a scaffold at the disk rim enforcing the high membrane curvature of the unique long-range organization in these rhodopsin-rich light-sensitive subcellular organelles.
    1. Cell Biology
    2. Neuroscience

    Glycolytic reliance promotes anabolism in photoreceptors

    Yashodhan Chinchore, Tedi Begaj ... Constance L Cepko
    Aerobic glycolysis in rod photoreceptors of adult mice is regulated by allostery and FGF signaling and is required for maintaining outer segments.
    1. Neuroscience

    Guanylate cyclase 1 relies on rhodopsin for intracellular stability and ciliary trafficking

    Jillian N Pearring, William J Spencer ... Vadim Y Arshavsky
    Rather than relying on intrinsic intracellular targeting information, the key phototransduction enzyme guanylate cyclase 1 is delivered to the photosensory cilium with the visual pigment rhodopsin.
    1. Neuroscience

    The Na+/Ca2+, K+ exchanger NCKX4 is required for efficient cone-mediated vision

    Frans Vinberg, Tian Wang ... Vladimir J Kefalov
    Molecular, genetic, and functional analysis is used to show that the olfactory Na+/Ca2+, K+ exchanger NCKX4 is expressed in cone photoreceptors and is critical for the wide operating range and high temporal resolution of cone-mediated vision.
    1. Neuroscience

    Subretinal mononuclear phagocytes induce cone segment loss via IL-1β

    Chiara M Eandi, Hugo Charles Messance ... Florian Sennlaub
    IL-1β release from macrophages might be responsible for the unexplained cone segment loss in retinal degenerative diseases that are associated with subretinal inflammation, such as retinitis pigmentosa or geographic atrophy.
    1. Computational and Systems Biology
    2. Neuroscience

    The formation of the light-sensing compartment of cone photoreceptors coincides with a transcriptional switch

    Janine M Daum, Özkan Keles ... Botond Roska
    Correlating changes in structure and gene expression in cone photoreceptors of mice daily, between birth and eye opening, created a resource that supports research in photoreceptor function, development, transplantation and repair.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Patient-specific iPSC-derived photoreceptor precursor cells as a means to investigate retinitis pigmentosa

    Budd A Tucker, Robert F Mullins ... Edwin M Stone
    Skin cells from a patient with retinitis pigmentosa have been used to generate induced pluripotent stem cells, which could potentially form the basis of new treatments for this disease.
    1. Cell Biology
    2. Neuroscience

    ROM1 is redundant to PRPH2 as a molecular building block of photoreceptor disc rims

    Tylor R Lewis, Mustafa S Makia ... Muna I Naash
    The photoreceptor tetraspanin protein ROM1 contributes to the formation of light-sensitive 'disc' membranes, but it can be functionally replaced by an excess of its homologous binding partner PRPH2.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Disrupting the ciliary gradient of active Arl3 affects rod photoreceptor nuclear migration

    Amanda M Travis, Samiya Manocha ... Jillian N Pearring
    Dominant mutations in Arl3, linked to inherited retinal dystrophy, disrupt the active Arl3-GTP ciliary gradient and cause a defect in rod photoreceptor nuclear migration that can be rescued by elevating ciliary Arl3 activity or reducing aberrant non-ciliary Arl3 activity.

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