4,994 results found
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Widespread premature transcription termination of Arabidopsis thaliana NLR genes by the spen protein FPA

    Matthew T Parker, Katarzyna Knop ... Gordon G Simpson
    The expression of Arabidopsis NLR immune response genes is modulated by premature transcription termination, and this has implications for understanding NLR regulation and evolutionary dynamics.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    Dna2 nuclease-helicase structure, mechanism and regulation by Rpa

    Chun Zhou, Sergei Pourmal, Nikola P Pavletich
    X-ray crystallography reveals that the Dna2 nuclease-helicase contains a long tunnel through which single-stranded DNA threads, and an allosteric mechanism for displacing the DNA-binding protein Rpa that restricts cleavage to the proper polarity.
    1. Biochemistry and Chemical Biology

    Cdc48-like protein of actinobacteria (Cpa) is a novel proteasome interactor in mycobacteria and related organisms

    Michal Ziemski, Ahmad Jomaa ... Eilika Weber-Ban
    Cdc48-like protein of actinobacteria (Cpa) is a AAA+ proteasomal interactor involved in adaptation of mycobacteria to carbon limitation and potentially influencing ribosomal composition of the cell.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    CpG and UpA dinucleotides in both coding and non-coding regions of echovirus 7 inhibit replication initiation post-entry

    Jelke Jan Fros, Isabelle Dietrich ... Peter Simmonds
    RNA virus replication is attenuated by an intrinsic restriction mechanism after introducing CpG/UpA dinucleotides into both non-translated and coding regions of viral genomes, which may be exploited in the design of attenuated virus vaccines.
    1. Microbiology and Infectious Disease

    RNA virus attenuation by codon pair deoptimisation is an artefact of increases in CpG/UpA dinucleotide frequencies

    Fiona Tulloch, Nicky J Atkinson ... Peter Simmonds
    Attenuating candidate live virus vaccines by incorporating unfavoured codon pairs to reduce translation efficiency is actually mediated though changes in frequencies of CpG and UpA dinucleotides, which make viruses more visible to the innate immune system.
    1. Neuroscience

    Using the past to estimate sensory uncertainty

    Ulrik Beierholm, Tim Rohe ... Uta Noppeney
    For perceptual inference, human observers do not estimate sensory uncertainty instantaneously from the current sensory signals alone, but by combining past and current sensory inputs consistent with a Bayesian learner.
    1. Neuroscience

    CaV1 and CaV2 calcium channels mediate the release of distinct pools of synaptic vesicles

    Brian D Mueller, Sean A Merrill ... Erik M Jorgensen
    The Caenorhabditis elegans presynapse contains two pools of synaptic vesicles at the active zone, coupled to either neuronal-type or muscle-type calcium channels, and to different docking machinery.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    APE1 recruits ATRIP to ssDNA in an RPA-dependent and -independent manner to promote the ATR DNA damage response

    Yunfeng Lin, Jia Li ... Shan Yan
    Distinct interactions of AP endonuclease 1 with single-stranded DNA gaps and ATRIP and RPA protein complex address an outstanding question in the field of genome integrity regarding how ATR/ATRIP complex recruits onto damage site for ATR DNA damage response signaling.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Protein translocation channel of mitochondrial inner membrane and matrix-exposed import motor communicate via two-domain coupling protein

    Rupa Banerjee, Christina Gladkova ... Dejana Mokranjac
    Two domains of the peripheral membrane protein Tim44 interact with two different sectors of a translocase to coordinate the translocation of proteins across the inner mitochondrial membrane.
    1. Neuroscience

    Neural representation of newly instructed rule identities during early implementation trials

    Hannes Ruge, Theo AJ Schäfer ... Uta Wolfensteller
    Ventro-lateral prefrontal cortex codes novel rules starting from their first-time implementation right after instruction while early consolidation is channeled through increasing cooperation with the anterior striatum.

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