1,379 results found
    1. Microbiology and Infectious Disease

    Tropical Diseases: Can CRISPR help in the fight against parasitic worms?

    Paul McVeigh, Aaron G Maule
    The first reports of CRISPR/Cas9 genome editing in flatworms could usher in a new era of research on these dangerous human parasites.
    Insight
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    1. Structural Biology and Molecular Biophysics

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

    Alison B Hickman et al.
    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. Structural Biology and Molecular Biophysics

    The Cas4-Cas1-Cas2 complex mediates precise prespacer processing during CRISPR adaptation

    Hayun Lee et al.
    During CRISPR adaptation, Cas4 forms a ternary complex with the Cas1-Cas2 spacer integration complex, an interaction that coordinates substrate hand-off following precise, PAM-dependent prespacer processing prior to integration.
    1. Chromosomes and Gene Expression
    2. Human Biology and Medicine

    Synthetically modified guide RNA and donor DNA are a versatile platform for CRISPR-Cas9 engineering

    Kunwoo Lee et al.
    The guide RNA and donor DNA of the CRISPR/Cas system tolerate large chemical modifications and can be engineered for enhanced delivery and gene editing.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Nucleosome breathing and remodeling constrain CRISPR-Cas9 function

    R Stefan Isaac et al.
    The inhibitory influence of nucleosomes on CRISPR-Cas9 is mitigated by nucleosomal DNA breathing and chromatin remodeling.
    1. Cell Biology
    2. Genetics and Genomics

    Circular synthesized CRISPR/Cas gRNAs for functional interrogations in the coding and noncoding genome

    Martin Wegner et al.
    Cloning-free 3Cs technology is developed for the generation of sequence-bias-free covalently closed circular synthesized (3Cs) CRISPR/Cas gRNA libraries that can interrogate the coding and noncoding human genome.
    1. Stem Cells and Regenerative Medicine
    2. Genetics and Genomics

    Multiplexed genetic engineering of human hematopoietic stem and progenitor cells using CRISPR/Cas9 and AAV6

    Rasmus O Bak et al.
    The CRISPR/Cas9 system can be used with recombinant AAV6 donor delivery to facilitate simultaneous, targeted integration into multiple genetic loci in hematopoietic stem and progrenitor cells.
    1. Chromosomes and Gene Expression
    2. Human Biology and Medicine

    Covalent linkage of the DNA repair template to the CRISPR-Cas9 nuclease enhances homology-directed repair

    Natasa Savic et al.
    Linking the DNA repair template to the Cas9 ribonucleoprotein complex enhances homology-directed repair of the induced DNA double strand break.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Enhanced homology-directed human genome engineering by controlled timing of CRISPR/Cas9 delivery

    Steven Lin et al.
    Building on previous work (Jinek et al., 2013), we report a simple and robust system to achieve high fidelity and high efficiency (30% of homologous recombination) genome engineering by homology-directed repair pathway in human cells using cell cycle synchronization and timed delivery of Cas9 ribonucleoprotein complexes.
    1. Biochemistry and Chemical Biology

    RNA-dependent RNA targeting by CRISPR-Cas9

    Steven C Strutt et al.
    Divergent Cas9 enzymes direct site-specific single-stranded RNA cleavage, reducing infection by RNA phage in vivo and enabling programmable, PAM-independent repression of gene expression in bacteria.

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