12,485 results found
    1. Computational and Systems Biology
    2. Chromosomes and Gene Expression

    Methylation of RNA polymerase II non-consensus Lysine residues marks early transcription in mammalian cells

    João D Dias, Tiago Rito ... Ana Pombo
    Lysine mono- and di-methylation are two novel post-translational modifications of RNA polymerase II, which are enriched at promoters of active genes, precede lysine acetylation and mark early stages of transcription.
    1. Chromosomes and Gene Expression
    2. Cancer Biology

    Pervasive transcription read-through promotes aberrant expression of oncogenes and RNA chimeras in renal carcinoma

    Ana R Grosso, Ana P Leite ... Sérgio F de Almeida
    Transcription beyond annotated gene boundaries expands the diversity of the cancer transcriptome with overexpressed oncogenes and RNA chimeras.
    1. Biochemistry and Chemical Biology
    2. Genetics and Genomics

    The long non-coding RNA Cerox1 is a post transcriptional regulator of mitochondrial complex I catalytic activity

    Tamara M Sirey, Kenny Roberts ... Chris P Ponting
    Mitochondrial energy metabolism is post-transcriptionally regulated through an interplay between long and short non-coding RNAs.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    The MBD7 complex promotes expression of methylated transgenes without significantly altering their methylation status

    Dongming Li, Ana Marie S Palanca ... Julie A Law
    The METHYL-CpG-BINDING DOMAIN 7 (MBD7) complex promotes the activation (rather than repression) of transgenes that undergo DNA methylation and it does so without significantly altering their methylation status, placing this complex downstream of DNA methylation.
    1. Microbiology and Infectious Disease
    2. Plant Biology

    Host-associated microbe PCR (hamPCR) enables convenient measurement of both microbial load and community composition

    Derek S Lundberg, Pratchaya Pramoj Na Ayutthaya ... Detlef Weigel
    hamPCR is a cost-effective and transformative amplicon sequencing strategy to describe microbiota composition and measure its overall abundance, applicable to all samples in which host and microbial DNA are co-extracted.
    1. Structural Biology and Molecular Biophysics

    Regulation of RUVBL1-RUVBL2 AAA-ATPases by the nonsense-mediated mRNA decay factor DHX34, as evidenced by Cryo-EM

    Andres López-Perrote, Nele Hug ... Oscar Llorca
    Cryo-EM reveals the regulation of RUVBL1 and RUVBL2 AAA-ATPases by DHX34, a helicase involved in nonsense-mediated mRNA decay (NMD), and suggests mechanisms for how RUVBL1 and RUVBL2 function in NMD.
    1. Chromosomes and Gene Expression

    PARP1-dependent recruitment of the FBXL10-RNF68-RNF2 ubiquitin ligase to sites of DNA damage controls H2A.Z loading

    Gergely Rona, Domenico Roberti ... Michele Pagano
    Upon genotoxic stress, the FBXL10-RNF68-RNF2 ubiquitin ligase complex mono-ubiquitylates histone H2A and mediates H2A/H2A.Z exchange to repress transcription and ensures proper high fidelity homologous recombination repair.
    1. Immunology and Inflammation

    DNA damage independent inhibition of NF-κB transcription by anthracyclines

    Angelo Ferreira Chora, Dora Pedroso ... Luis Ferreira Moita
    The mechanistic characterization of NF-κB transcription inhibition by anthracyclines opens new possibilities for improved cancer chemotherapy and the treatment of inflammation-driven conditions.
    1. Cell Biology
    2. Evolutionary Biology

    tRNA genes rapidly change in evolution to meet novel translational demands

    Avihu H Yona, Zohar Bloom-Ackermann ... Yitzhak Pilpel
    Experimental evolution and systematic sequence analysis of transfer RNA genes reveal that anticodon mutations provide adaptive plasticity to the translation machinery.
    1. Microbiology and Infectious Disease

    N6-methyladenosine of HIV-1 RNA regulates viral infection and HIV-1 Gag protein expression

    Nagaraja Tirumuru, Boxuan Simen Zhao ... Li Wu
    Human proteins that add or remove the methyladenosine modification of cellular RNA, or recognize methylated RNA significantly affect HIV-1 infection or viral protein synthesis in cells, suggesting an important role for HIV-1 RNA methylation in regulating viral replication.

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