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    1. Cell Biology

    Ribosome collisions trigger cis-acting feedback inhibition of translation initiation

    Szymon Juszkiewicz et al.
    Ribosome collisions along an mRNA are shown to recruit factors that prevent additional ribosomes from initiating translation on that mRNA, thereby providing time to resolve the collision.
    1. Biochemistry and Chemical Biology

    Alkylative damage of mRNA leads to ribosome stalling and rescue by trans translation in bacteria

    Erica N Thomas et al.
    Alkylation stress modify mRNAs and results in translation arrest, which activates the ribosome-rescue pathway of trans translation in bacteria.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Cdc48/p97 promotes degradation of aberrant nascent polypeptides bound to the ribosome

    Rati Verma et al.
    The enzyme that collaborates with ubiquitin ligases to promote the release of defective polypeptides from stalled ribosomes in a process named ribosome-associated degradations has been identified as the ATPase Cdc48.
    1. Chromosomes and Gene Expression

    Defects in translation-dependent quality control pathways lead to convergent molecular and neurodevelopmental pathology

    Markus Terrey et al.
    Disruption of quality control pathways that function at distinct steps to mitigate errors in translation evoke similar cellular responses and pathologies.
    1. Cell Biology

    USP16 counteracts mono-ubiquitination of RPS27a and promotes maturation of the 40S ribosomal subunit

    Christian Montellese et al.
    The deubiquitinase USP16 is associated with cytoplasmic precursors of 40S ribosomal subunits and promotes their final maturation by removal of trans-monoubiquitin from RPS27a.
    1. Genetics and Genomics

    The endonuclease Cue2 cleaves mRNAs at stalled ribosomes during No Go Decay

    Karole N D'Orazio et al.
    Cue2 is an endonuclease that cleaves mRNA in the A site of the lagging ribosome upon ribosome collision events.
    1. Structural Biology and Molecular Biophysics

    Mechanism of completion of peptidyltransferase centre assembly in eukaryotes

    Vasileios Kargas et al.
    Cryo-EM reveals how the central functional site of the ribosome is assembled and provides a framework to interpret the consequences of mutations linked to leukaemia-associated ribosomopathies.
    1. Chromosomes and Gene Expression

    Maturation of selected human mitochondrial tRNAs requires deadenylation

    Sarah F Pearce et al.
    Removal of spurious poly(A) tails by the PDE12 exoribonuclease is required to maintain the integrity of human mitochondrial tRNAs and rRNAs and their availability for efficient mitochondrial translation.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Translational control of one-carbon metabolism underpins ribosomal protein phenotypes in cell division and longevity

    Nairita Maitra et al.
    Extensive molecular profiling shows how loss of highly similar, paralogous ribosomal proteins lead to distinct phenotypic outputs, through translational control of specific mRNAs.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Hfq CLASH uncovers sRNA-target interaction networks linked to nutrient availability adaptation

    Ira Alexandra Iosub et al.
    High-throughput RNA-RNA interaction analysis uncovers many novel sRNA-target interactions at various growth stages in Escherichia coli.