1,334 results found
    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. Computational and Systems Biology

    Origin of a folded repeat protein from an intrinsically disordered ancestor

    Hongbo Zhu, Edgardo Sepulveda ... Andrei N Lupas
    Minimal changes allow an ancestral, unfolded peptide to adopt a known fold by repetition, illuminating a possible path for the emergence of folded proteins at the origin of life.
    1. Cancer Biology
    2. Cell Biology

    Rpl24Bst mutation suppresses colorectal cancer by promoting eEF2 phosphorylation via eEF2K

    John RP Knight, Nikola Vlahov ... Owen J Sansom
    Signalling that maintains rapid translation elongation in KRAS-mutant colorectal cancer models can be targeted by mutation of the ribosomal protein RPL24 to suppress tumour proliferation.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structural and mutational analysis of the ribosome-arresting human XBP1u

    Vivekanandan Shanmuganathan, Nina Schiller ... Roland Beckmann
    Two integrated approaches shed light on how XBP1 arrest peptide induces intermediate level of translational pausing and identify hotspot positions to make it stronger.
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    Intrinsic cooperativity potentiates parallel cis-regulatory evolution

    Trevor R Sorrells, Amanda N Johnson ... Alexander D Johnson
    Cooperativity between two transcription regulators occurs through protein-protein interactions with a general transcription factor complex and potentiates the parallel evolution of their DNA binding sites.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Haploinsufficiency of the essential gene Rps12 causes defects in erythropoiesis and hematopoietic stem cell maintenance

    Virginia Folgado-Marco, Kristina Ames ... Nicholas E Baker
    The homozygous and heterozygous phenotypes of mouse Rps12 deletion are described, highlighting pancytopenia reflecting roles in hematopoiesis and erythropoiesis.
    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. Developmental Biology

    Cell Competition: Counting the Minutes

    Stephano Mello, Dirk Bohmann
    A newly discovered mechanism that causes the 'Minute' phenotype in fruit flies can explain how organisms are able to eliminate the mutant cells that arise occasionally during development.
    Version of Record
    Insight
    1. Chromosomes and Gene Expression

    Multi-protein bridging factor 1(Mbf1), Rps3 and Asc1 prevent stalled ribosomes from frameshifting

    Jiyu Wang, Jie Zhou ... Elizabeth J Grayhack
    An eukaryotic specific system cooperates with the ribosome quality control pathway to maintain the reading frame during translation of slowly translated sequences.
    1. Cell Biology
    2. Developmental Biology

    The transcription factor Xrp1 orchestrates both reduced translation and cell competition upon defective ribosome assembly or function

    Marianthi Kiparaki, Chaitali Khan ... Nicholas E Baker
    Ribosomal protein mutations, mutations that affect ribosomal RNA synthesis, or function of the mature ribosome, trigger a transcriptional response mediated by Xrp1 expression which reduces cellular translation via eIF2-alpha phosphorylation and renders cells liable to competition with wild-type neighbors.

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