2,474 results found
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Operon mRNAs are organized into ORF-centric structures that predict translation efficiency

    David H Burkhardt, Silvi Rouskin ... Carol A Gross
    Operonic mRNAs in bacteria are comprised of ORF (open reading frame)-wide units of secondary structure, which are intrinsically distinct between adjacent ORFs and encode a rough blueprint for ORF-specific translation efficiency.
    1. Biochemistry and Chemical Biology

    The ribosomal protein Asc1/RACK1 is required for efficient translation of short mRNAs

    Mary K Thompson, Maria F Rojas-Duran ... Wendy V Gilbert
    Asc1/RACK1 promotes the translation of mRNAs associated with the translational closed loop complex, which have short open reading frames and encode proteins required for core metabolic processes.
    1. Genetics and Genomics

    Reprogramming of translation in yeast cells impaired for ribosome recycling favors short, efficiently translated mRNAs

    Swati Gaikwad, Fardin Ghobakhlou ... Alan G Hinnebusch
    A mutant impaired for ribosome recycling exhibits translational reprogramming wherein strong mRNAs outcompete weak mRNAs, also observed when preinitiation complexes are diminished by eIF2α phosphorylation or 40S ribosomal subunit depletion.
    1. Chromosomes and Gene Expression

    The β-hairpin of 40S exit channel protein Rps5/uS7 promotes efficient and accurate translation initiation in vivo

    Jyothsna Visweswaraiah, Yvette Pittman ... Alan G Hinnebusch
    A structural element of mRNA exit channel protein Rps5 performs a critical role in start codon recognition during translation initiation by stabilizing initiator tRNA binding to the pre-initiation complex.
    1. Chromosomes and Gene Expression

    Transcriptome-wide analysis of the function of Ded1 in translation preinitiation complex assembly in a reconstituted in vitro system

    Fujun Zhou, Julie M Bocetti ... Jon R Lorsch
    A new in vitro approach allows measurement of the efficiency of the early steps of translation initiation on every messenger RNA in yeast simultaneously.
    1. Chromosomes and Gene Expression

    Ssd1 and Gcn2 suppress global translation efficiency in replicatively aged yeast while their activation extends lifespan

    Zheng Hu, Bo Xia ... Jessica K Tyler
    Activation of the stress response pathway in young cells extends replicative lifespan, not by reducing global protein synthesis per se, but by Gcn4-mediated autophagy induction.
    1. Chromosomes and Gene Expression

    The molecular basis of coupling between poly(A)-tail length and translational efficiency

    Kehui Xiang, David P Bartel
    For poly(A)-tail length to influence mRNA translational efficiency, poly(A)-binding protein (PABPC) must be limiting, mRNAs lacking PABPC must be stable, and translation initiation must be sensitive to PABPC levels.
    1. Biochemistry and Chemical Biology

    Translation of 5′ leaders is pervasive in genes resistant to eIF2 repression

    Dmitry E Andreev, Patrick BF O'Connor ... Pavel V Baranov
    Most of the mRNAs whose translation is resistant to the stress-induced repression of protein synthesis contain upstream open reading frames that are efficiently translated under normal conditions.
    1. Cell Biology

    Cardiac mitochondrial function depends on BUD23 mediated ribosome programming

    Matthew Baxter, Maria Voronkov ... David Ray
    BUD23 links ribosome function with mitochondrial protein expression and efficient oxidative phosphorylation by promoting selective mRNA translation and is therefore critical to mouse development and postnatal cardiac function.
    1. Genetics and Genomics

    Eukaryotic initiation factor EIF-3.G augments mRNA translation efficiency to regulate neuronal activity

    Stephen M Blazie, Seika Takayanagi-Kiya ... Yishi Jin
    The eIF3 translation initiation complex exerts specific regulation on neuronal protein levels by targeting mRNAs with GC-rich 5' UTR.

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