1,538 results found
    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, Chong He ... Michael Polymenis
    Extensive molecular profiling shows how loss of highly similar, paralogous ribosomal proteins lead to distinct phenotypic outputs, through translational control of specific mRNAs.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Subfunctionalized expression drives evolutionary retention of ribosomal protein paralogs Rps27 and Rps27l in vertebrates

    Adele Francis Xu, Rut Molinuevo ... Maria Barna
    Ribosomal proteins Rps27 (eS27) and Rps27l (eS27L) are an ancient pair of duplicated genes that encode functionally interchangeable proteins, yet have been evolutionarily retained because both copies are necessary to achieve protein expression across cell types.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Dedicated chaperones coordinate co-translational regulation of ribosomal protein production with ribosome assembly to preserve proteostasis

    Benjamin Pillet, Alfonso Méndez-Godoy ... Dieter Kressler
    A novel co-translational mechanism continuously adjusts the expression levels of ribosomal proteins Rpl3 and Rpl4 to their consumption during ribosome synthesis by regulating the abundance of their mRNAs.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    A conserved quality-control pathway that mediates degradation of unassembled ribosomal proteins

    Min-Kyung Sung, Tanya R Porras-Yakushi ... Raymond J Deshaies
    Tom1 is the ubiquitin ligase in yeast that anchors a protein quality control pathway that rapidly eliminates ribosomal proteins that fail to assemble into ribosomes.
    1. Cell Biology
    2. Developmental Biology

    Ribosomal protein S27-like is a physiological regulator of p53 that suppresses genomic instability and tumorigenesis

    Xiufang Xiong, Yongchao Zhao ... Yi Sun
    The ribosomal protein, Rps27l, plays an oncogenic role by promoting p53 degradation via stabilizing the Mdm2-Mdm4 complex, but a tumor suppressor role by preventing the aneuploidy and loss of p53 heterozygosity.
    1. Biochemistry and Chemical Biology

    Prefabrication of a ribosomal protein subcomplex essential for eukaryotic ribosome formation

    Cohue Peña, Sabina Schütz ... Vikram G Panse
    The ATPase Fap7 prefabricates a uS11:eS26 ribosomal protein complex for ribosome assembly.
    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. Developmental Biology
    2. Genetics and Genomics

    Cell competition removes segmental aneuploid cells from Drosophila imaginal disc-derived tissues based on ribosomal protein gene dose

    Zhejun Ji, Jacky Chuen ... Nicholas Baker
    Cell competition is an important mechanism selecting against aneuploid cells.
    1. Biochemistry and Chemical Biology

    LARP4 mRNA codon-tRNA match contributes to LARP4 activity for ribosomal protein mRNA poly(A) tail length protection

    Sandy Mattijssen, Aneeshkumar G Arimbasseri ... Richard J Maraia
    The messenger RNA encoding La-related protein-4 (LARP4) contains a short region of instability whose codon clusters are sensitive to low abundance tRNAs that when elevated increase LARP4 activity for poly(A) lengthening of ribosomal protein mRNAs and other mRNAs.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A combined quantitative mass spectrometry and electron microscopy analysis of ribosomal 30S subunit assembly in E. coli

    Dipali G Sashital, Candacia A Greeman ... James R Williamson
    Comprehensive structural and compositional characterization of the in vivo 30S ribosomal assembly landscape reveals parallel pathways for 3′-domain formation and a previously unknown role for the assembly factor RimP.

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