2,609 results found
    1. Cell Biology
    2. Neuroscience

    Hypoxia-inducible factor cell non-autonomously regulates C. elegans stress responses and behavior via a nuclear receptor

    Corinne L Pender, H Robert Horvitz
    The hypoxia-inducible factor HIF drives transcription of the gene cyp-36A1, which encodes a cytochrome P450 enzyme that acts via a putative intercellular signal to regulate the nuclear receptor NHR-46 and consequently stress resistance and behavior.
    1. Physics of Living Systems

    A physical model describing the interaction of nuclear transport receptors with FG nucleoporin domain assemblies

    Raphael Zahn, Dino Osmanović ... Ralf P Richter
    A homopolymer-sphere model is shown to accurately reproduce the interactions that underpin selective gating of macromolecular transport into and out of the cell nucleus.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Caenorhabditis elegans methionine/S-adenosylmethionine cycle activity is sensed and adjusted by a nuclear hormone receptor

    Gabrielle E Giese, Melissa D Walker ... Albertha JM Walhout
    Metabolic activity of the methionine/S-adenosylmethionine cycle is sensed and transcriptionally regulated by a nuclear hormone receptor in Caenorhabditis elegans in order to maintain metabolic homeostasis in a tightly controlled regime.
    1. Stem Cells and Regenerative Medicine

    Nuclear receptor NR4A is required for patterning at the ends of the planarian anterior-posterior axis

    Dayan J Li, Conor L McMann, Peter W Reddien
    NR4A is a broadly conserved transcription factor that is required for concordance of patterning information and anatomy at both ends of the planarian anterior-posterior axis.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Scaffold nucleoporins Nup188 and Nup192 share structural and functional properties with nuclear transport receptors

    Kasper R Andersen, Evgeny Onischenko ... Thomas U Schwartz
    Components of the nuclear pore complex share structural and functional features with soluble nuclear transport receptors, which suggests that there may be an evolutionary relationship between these two types of protein.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Cooperative cobinding of synthetic and natural ligands to the nuclear receptor PPARγ

    Jinsai Shang, Richard Brust ... Douglas J Kojetin
    Synthetic PPARγ ligands push and cobind with natural endogenous ligands, instead of compete and displace, which synergistically affects the structure and function of PPARγ.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    The export receptor Crm1 forms a dimer to promote nuclear export of HIV RNA

    David S Booth, Yifan Cheng, Alan D Frankel
    The nuclear export receptor Crm1 cooperatively binds its HIV Rev-RRE cargo as a dimer using a species-specific interface that supports viral replication by enhancing nuclear export of HIV RNA.
    1. Cell Biology
    2. Immunology and Inflammation

    T-cell receptor (TCR) signaling promotes the assembly of RanBP2/RanGAP1-SUMO1/Ubc9 nuclear pore subcomplex via PKC-θ-mediated phosphorylation of RanGAP1

    Yujiao He, Zhiguo Yang ... Yingqiu Li
    T-cell receptor signaling actively regulates gating of the nuclear pore complex (NPC) in T cells by inducing translocation of protein kinase C-θ to the NPC to promote the sumoylation of RanGAP1.
    1. Developmental Biology
    2. Genetics and Genomics

    Nuclear receptor Ftz-f1 promotes follicle maturation and ovulation partly via bHLH/PAS transcription factor Sim

    Elizabeth M Knapp, Wei Li ... Jianjun Sun
    Genetic analyses illustrate the novel requirement of Ftz-f1 and Sim in adult Drosophila ovaries for regulating follicle cell differentiation and ovulation that is likely conserved in mammals.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Nuclear hormone receptor NHR-49 acts in parallel with HIF-1 to promote hypoxia adaptation in Caenorhabditis elegans

    Kelsie RS Doering, Xuanjin Cheng ... Stefan Taubert
    Animal survival in hypoxia requires the classical hypoxia-inducible factor (HIF) signalling pathway, but in the nematode worm C. elegans, a new signalling pathway involving the nuclear receptor NHR-49/PPARalpha is as important for hypoxia survival as the HIF pathway.

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