1,815 results found
    1. Chromosomes and Gene Expression

    Stop codon context influences genome-wide stimulation of termination codon readthrough by aminoglycosides

    Jamie R Wangen, Rachel Green
    Ribosome profiling reveals genome-wide stimulation of stop codon readthrough by aminoglycosides that is influenced sequence context.
    1. Cell Biology
    2. Evolutionary Biology

    Ribosome profiling reveals pervasive and regulated stop codon readthrough in Drosophila melanogaster

    Joshua G Dunn, Catherine K Foo ... Jonathan S Weissman
    Ribosomes translate through stop codons far more often than previously thought, yielding C-terminally extended proteins in a variety of eukaryotes.
    1. Cell Biology

    Peroxisomal lactate dehydrogenase is generated by translational readthrough in mammals

    Fabian Schueren, Thomas Lingner ... Sven Thoms
    Whole-genome in silico screening for stop codon contexts that produce elevated translational readthrough and peroxisome targeting reveals that in mammals, the amount of lactate dehydrogenase in the peroxisome is controlled by translational readthrough.
    1. Biochemistry and Chemical Biology

    Noncanonical usage of stop codons in ciliates expands proteins with structurally flexible Q-rich motifs

    Chi-Ning Chuang, Hou-Cheng Liu ... Ting-Fang Wang
    Noncanonical usage of stop codons in ciliates expands structurally flexible Q-rich domains and coevolves with codon usage biases to avoid triplet repeat disorders mediated by CAG/GTC replication slippage.
    1. Biochemistry and Chemical Biology

    Genome-wide effects of the antimicrobial peptide apidaecin on translation termination in bacteria

    Kyle Mangano, Tanja Florin ... Nora Vázquez-Laslop
    Inhibition of bacterial protein synthesis by an antimicrobial peptide apidaecin triggers translation arrest at the stop codons, ribosome queuing and pervasive stop codon readthrough.
    1. Chromosomes and Gene Expression

    Nonsense mRNA suppression via nonstop decay

    Joshua A Arribere, Andrew Z Fire
    Nonstop mRNA decay degrades mRNAs with a premature stop codon after such mRNAs are targeted by the nonsense-mediated decay machinery.
    1. Biochemistry and Chemical Biology

    Ribosomes slide on lysine-encoding homopolymeric A stretches

    Kristin S Koutmou, Anthony P Schuller ... Rachel Green
    Ribosomes undergo an unanticipated movement (‘sliding’) while translating homopolymeric A sequences, which provides a biochemical rationale for the observation that iterated AAA codons are under-represented in gene-coding sequences.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    MicroRNA-mediated repression of nonsense mRNAs

    Ya Zhao, Jimin Lin ... Ligang Wu
    microRNAs can serve as a surveillance system to repress nonsense mRNAs by recognizing miRNA-responsive elements in the open reading frame region downstream of the premature termination codon.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Extensive ribosome and RF2 rearrangements during translation termination

    Egor Svidritskiy, Gabriel Demo ... Andrei A Korostelev
    Ensemble cryo-EM visualizes how structural rearrangements poise the newly made protein and release factor RF2 to dissociate in preparation for ribosome recycling.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Polypyrimidine tract binding protein 1 protects mRNAs from recognition by the nonsense-mediated mRNA decay pathway

    Zhiyun Ge, Bao Lin Quek ... J Robert Hogg
    The RNA-binding protein PTBP1 is recruited to sites near stop codons in retroviral and human mRNAs, shielding them from detection and degradation by the nonsense-mediated mRNA decay pathway.

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