10,140 results found
    1. Structural Biology and Molecular Biophysics

    Casposase structure and the mechanistic link between DNA transposition and spacer acquisition by CRISPR-Cas

    Alison B Hickman, Shweta Kailasan ... Fred Dyda
    The tetrameric structure of a casposase bound to DNA and its biochemical properties show how a transposase could have evolved to perform CRISPR-Cas spacer acquisition.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Temporal profiling of redox-dependent heterogeneity in single cells

    Meytal Radzinski, Rosi Fassler ... Dana Reichmann
    Analysis of aging yeast cells using the in-vivo roGFP2-based probe reveals redox-dependent heterogeneity, reflected in a bi-modal distribution of the oxidation status, differential growth and replication, as well as distinct proteomic and transcriptomic profiles.
    1. Computational and Systems Biology

    A network of epigenetic modifiers and DNA repair genes controls tissue-specific copy number alteration preference

    Dina Cramer, Luis Serrano, Martin H Schaefer
    The genetic background of a cancer cell and the chromatin organization of the tissue-of-origin impact the amount, length and position of somatic copy number alterations in cancer.
    1. Ecology

    Cyclic bouts of extreme bradycardia counteract the high metabolism of frugivorous bats

    M Teague O'Mara, Martin Wikelski ... Dina KN Dechmann
    Novel heart rate strategies that minimize energy expenditure during the day are necessary to cope with high energy nocturnal lifestyles of tent-making bats.
    1. Computational and Systems Biology

    Synthetic and genomic regulatory elements reveal aspects of cis-regulatory grammar in mouse embryonic stem cells

    Dana M King, Clarice Kit Yee Hong ... Barak A Cohen
    The independent effects of transcription factor binding sites are large regardless of sequence context, but the interactions between sites are context dependent.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Topoisomerase VI senses and exploits both DNA crossings and bends to facilitate strand passage

    Timothy J Wendorff, James M Berger
    The engagement of DNA crossings is shown to license ATP hydrolysis and DNA cleavage by topoisomerase VI, a finding with mechanistic ramifications for related GHKL ATPases and meiotic recombination machineries.
    1. Chromosomes and Gene Expression

    An efficient targeted nuclease strategy for high-resolution mapping of DNA binding sites

    Peter J Skene, Steven Henikoff
    CUT&RUN (Cleavage Under Targets & Release Using Nuclease) profiles antibody-targeted DNA-binding proteins in situ with high resolution and low background, providing a simple, robust and scalable alternative to chromatin immunoprecipitation.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Hemi-methylated DNA regulates DNA methylation inheritance through allosteric activation of H3 ubiquitylation by UHRF1

    Joseph S Harrison, Evan M Cornett ... Scott B Rothbart
    Epigenetic modifications to DNA can regulate E3 ubiquitin ligase activity in human cells.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Crystal structures of DNA polymerase I capture novel intermediates in the DNA synthesis pathway

    Nicholas Chim, Lynnette N Jackson ... John C Chaput
    Insight into the mechanism of DNA synthesis is provided by the crystal structures of DNA polymerase intermediates.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    Mechanism for priming DNA synthesis by yeast DNA Polymerase α

    Rajika L Perera, Rubben Torella ... Luca Pellegrini
    The details of how the enzyme DNA polymerase α initiates the polymerization of nucleotides in DNA replication, a critical step in the synthesis of new chromosomal DNA, have been revealed in atomic detail.

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