58 results found
    1. Evolutionary Biology

    Splicing repression allows the gradual emergence of new Alu-exons in primate evolution

    Jan Attig, Igor Ruiz de los Mozos ... Jernej Ule
    During evolutionary progression of Alu-exons, repressive U-tracts buffer sudden gains in 3' splice site strength and prevent inclusion of cryptic exons.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Evolutionary dynamics of circular RNAs in primates

    Gabriela Santos-Rodriguez, Irina Voineagu, Robert J Weatheritt
    An analysis of the genomic features that distinguish conserved from species-specific circular RNAs reveals that the expansion of the downstream intron by insertion of retrotransposons stabilizes circular RNAs' production across 30+ millions years of evolution.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    mRNA-programmed translation pauses in the targeting of E. coli membrane proteins

    Nir Fluman, Sivan Navon ... Yitzhak Pilpel
    Translation pauses occur in strategic positions to facilitate the production of properly folded membrane proteins in bacteria.
    1. Chromosomes and Gene Expression

    The RNA-binding protein SFPQ preserves long-intron splicing and regulates circRNA biogenesis in mammals

    Lotte Victoria Winther Stagsted, Eoghan Thomas O'Leary ... Thomas Birkballe Hansen
    Transcriptome and eCLIP analyses in mouse and human reveal splicing factor proline/glutamine rich (SFPQ) as a conserved and critical guardian of long-intron integrity, splicing, and circular RNA (circRNA) production.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Circadian RNA expression elicited by 3’-UTR IRAlu-paraspeckle associated elements

    Manon Torres, Denis Becquet ... Anne-Marie François-Bellan
    Circadian gene expression can be driven by a post-transcriptional mechanism involving circadian mRNA nuclear retention by paraspeckle nuclear bodies.
    1. Biochemistry and Chemical Biology

    RNA-guided retargeting of Sleeping Beauty transposition in human cells

    Adrian Kovač, Csaba Miskey ... Zoltán Ivics
    Fusion proteins composed of the Sleeping Beauty transposase and catalytically inactive Cas9 target transposon integration into genomic regions specified by single guide RNAs.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Circular RNA repertoires are associated with evolutionarily young transposable elements

    Franziska Gruhl, Peggy Janich ... David Gatfield
    Evolutionary analyses suggest that most mammalian circRNAs did not emerge from common ancestral circRNA precursors, arguing against widespread functional conservation.
    1. Epidemiology and Global Health
    2. Genetics and Genomics

    Environmentally sensitive hotspots in the methylome of the early human embryo

    Matt J Silver, Ayden Saffari ... Andrew M Prentice
    259 CpGs associated with season of conception in rural Gambians constitute a valuable resource for investigating epigenetic mechanisms linking early exposures to lifelong health and disease.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Mouse B2 SINE elements function as IFN-inducible enhancers

    Isabella Horton, Conor J Kelly ... Edward B Chuong
    An epigenomic analysis in mouse macrophages reveals that a highly abundant transposable element exhibits activity as an immune inducible regulatory element.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Diverse fates of uracilated HIV-1 DNA during infection of myeloid lineage cells

    Erik C Hansen, Monica Ransom ... James T Stivers
    Uracil/adenine base pairs in HIV-1 DNA are attacked by the uracil base excision repair machinery in macrophages, which leads to HIV restriction and viral genome diversification by transcription-associated mutagenesis.

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