312 results found
    1. Biochemistry and Chemical Biology

    Efficient analysis of mammalian polysomes in cells and tissues using Ribo Mega-SEC

    Harunori Yoshikawa, Mark Larance ... Angus I Lamond
    Translationally active polysomes from mammalian cells/tissues are successfully separated with rapidity, high efficiency and exceptional reproducibility by a SEC-based approach, an accessible alternative to the conventional sucrose density gradient analysis.
    1. Cancer Biology
    2. Chromosomes and Gene Expression

    Polysome-CAGE of TCL1-driven chronic lymphocytic leukemia revealed multiple N-terminally altered epigenetic regulators and a translation stress signature

    Ariel Ogran, Tal Havkin-Solomon ... Rivka Dikstein
    Examination of the changes in the transcription start site selection in TCL1-driven chronic lymphocytic leukemia and their impact on mRNA translation revealed a marked elevation of intra-genic cryptic promoters, which are predicted to generate multiple N-terminally truncated or modified proteins.
    1. Biochemistry and Chemical Biology

    Cytosolic aspartate aminotransferase moonlights as a ribosome-binding modulator of Gcn2 activity during oxidative stress

    Robert A Crawford, Mark P Ashe ... Graham D Pavitt
    Using mass spectrometry to study protein composition of translating ribosomes under unstressed or stress conditions, aspartate aminotransferase 2 (Aat2) is identified as a metabolic enzyme with a moonlighting function in the yeast integrated stress-response pathway.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Biogenesis of phased siRNAs on membrane-bound polysomes in Arabidopsis

    Shengben Li, Brandon Le ... Xuemei Chen
    Arabidopsis microRNAs and their effector protein ARGONAUTE1 associate with and act on polysomes on the rough endoplasmic reticulum.
    1. Computational and Systems Biology
    2. Chromosomes and Gene Expression

    Tunable protein synthesis by transcript isoforms in human cells

    Stephen N Floor, Jennifer A Doudna
    Measurements of transcript isoform specific translation across the human genome reveal that isoforms from the same gene can differ in protein production by two orders of magnitude.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Nucleo-cytoplasmic shuttling of splicing factor SRSF1 is required for development and cilia function

    Fiona Haward, Magdalena M Maslon ... Javier F Caceres
    A mouse model where the splicing factor SRSF1 was prevented from accumulating in the cytoplasm revealed reduced translation of thousands of mRNAs and postnatal phenotypes particularly affecting multiciliated cells.
    1. Biochemistry and Chemical Biology
    2. Genetics and Genomics

    Extensive translation of small Open Reading Frames revealed by Poly-Ribo-Seq

    Julie L Aspden, Ying Chen Eyre-Walker ... Juan-Pablo Couso
    Thousands of small Open Reading Frames are translated, and form two distinct classes based on their translational efficiency and bioinformatic indicators.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Aven recognition of RNA G-quadruplexes regulates translation of the mixed lineage leukemia protooncogenes

    Palaniraja Thandapani, Jingwen Song ... Stéphane Richard
    Arginine methylation regulates mRNA translation of key protooncogenes via an RGG/RG motif-containing protein called Aven.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The translational landscape of the splicing factor SRSF1 and its role in mitosis

    Magdalena M Maslon, Sara R Heras ... Javier F Cáceres
    Identifying the translational targets of the shuttling protein, SRSF1, reveals that it is needed for normal cell division, and suggests that it couples pre-mRNA splicing and translation.
    1. Chromosomes and Gene Expression

    GC content shapes mRNA storage and decay in human cells

    Maïté Courel, Yves Clément ... Dominique Weil
    The GC content of human mRNAs is key to P-body localization and protein yield, and has a major impact on their post-transcriptional control.

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