51 results found
    1. Cell Biology

    Assigning mitochondrial localization of dual localized proteins using a yeast Bi-Genomic Mitochondrial-Split-GFP

    Gaétan Bader et al.
    The Bi-Genomic Mitochondrial-Split-GFP, where both fragments of the Split-GFP are expressed by separated translation machineries, shuts off cytosolic fluorescence of dual-localized proteins, allowing visualization of their mitochondrial echoforms.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Genomic innovation of ATD alleviates mistranslation associated with multicellularity in Animalia

    Santosh Kumar Kuncha et al.
    Identification of a two-tier functional redundancy to combat proteostasis imbalance induced due to tRNA expansion and oxidative stress in multicellular animals.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Role of Tim17 in coupling the import motor to the translocation channel of the mitochondrial presequence translocase

    Keren Demishtein-Zohary et al.
    First two transmembrane segments of Tim17 are involved in interaction with the channel and the second two with the motor of the presequence translocase suggesting how proteins are handed over during their translocation into mitochondria.
    1. Ecology

    Genomic adaptations in information processing underpin trophic strategy in a whole-ecosystem nutrient enrichment experiment

    Jordan G Okie et al.
    Trait-based metagenomic analysis of an ecosystem fertilization experiment shows that genomic traits that affect the costs and rates of biochemical information-processing mediate community assembly.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    A systematically-revised ribosome profiling method for bacteria reveals pauses at single-codon resolution

    Fuad Mohammad et al.
    With the removal of confounding artifacts, ribosome profiling can yield insight into the mechanism of protein synthesis in bacteria at high resolution.
    1. Biochemistry and Chemical Biology

    A discriminator code–based DTD surveillance ensures faithful glycine delivery for protein biosynthesis in bacteria

    Santosh Kumar Kuncha et al.
    Using bioinformatic and biochemical approaches, the study has explained the discriminator base anomaly in bacterial tRNA(Gly) through identification of the key determinant of DTD specificity.
    1. Cell Biology
    2. Human Biology and Medicine

    miR-142 regulates the tumorigenicity of human breast cancer stem cells through the canonical WNT signaling pathway

    Taichi Isobe et al.
    Insights into the roles and mechanisms of two of the miRNAs upregulated in human breast cancer stem cells in at least some breast cancers are presented.
    1. Chromosomes and Gene Expression
    2. Neuroscience

    Activation of GCN2 kinase by ribosome stalling links translation elongation with translation initiation

    Ryuta Ishimura et al.
    Activation of the integrated stress response by stalled translation elongation complexes attenuates neurodegeneration, and demonstrates a protective link between a decrease in the rate of translation initiation and defects in translation elongation.
    1. Structural Biology and Molecular Biophysics

    Ribosome•RelA structures reveal the mechanism of stringent response activation

    Anna B Loveland et al.
    Cryo-EM structures of 70S•RelA ribosome complexes reveal how cognate deacyl-tRNA activates RelA.
    1. Biochemistry and Chemical Biology

    Kinetics of initiating polypeptide elongation in an IRES-dependent system

    Haibo Zhang et al.
    The retarding effect of a ribosome-bound internal ribosome entry site on eukaryotic protein synthesis is largely overcome following translocation of tripeptidyl-tRNA.

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