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  2. CRISPR gene editing - Wikipedia

    en.wikipedia.org/wiki/CRISPR_gene_editing

    CRISPR-Cas9 genome editing techniques have many potential applications. The use of the CRISPR-Cas9-gRNA complex for genome editing [10] was the AAAS's choice for Breakthrough of the Year in 2015. [11] Many bioethical concerns have been raised about the prospect of using CRISPR for germline editing, especially in human embryos. [12]

  3. Genome-wide CRISPR-Cas9 knockout screens - Wikipedia

    en.wikipedia.org/wiki/Genome-wide_CRISPR-Cas9...

    Over recent years, many groups have successfully used genome-wide CRISPR/Cas9 as a screening strategy for HDFs in viral infections. [59] One example is provided by Marceau et al. (2017), [60] who aimed to dissect the host factors associated with dengue and hepatitis C (HCV) infection (two viruses in family Flaviviridae).

  4. Site-directed mutagenesis - Wikipedia

    en.wikipedia.org/wiki/Site-directed_mutagenesis

    Analogs of nucleotides and other chemicals were later used to generate localized point mutations, [3] examples of such chemicals are aminopurine, [4] nitrosoguanidine, [5] and bisulfite. [6] Site-directed mutagenesis was achieved in 1974 in the laboratory of Charles Weissmann using a nucleotide analogue N 4 -hydroxycytidine, which induces ...

  5. CRISPR/Cas tools - Wikipedia

    en.wikipedia.org/wiki/CRISPR/Cas_Tools

    The CRISPR/Cas (clustered regularly interspaced short palindromic repeats/CRISPR associated nucleases) system was originally discovered to be an acquired immune response mechanism used by archaea and bacteria. It has since been adopted for use as a tool in the genetic engineering of higher organisms.

  6. CRISPR activation - Wikipedia

    en.wikipedia.org/wiki/CRISPR_activation

    Cas9 Endonuclease Dead, also known as dead Cas9 or dCas9, is a mutant form of Cas9 whose endonuclease activity is removed through point mutations in its endonuclease domains. Similar to its unmutated form, dCas9 is used in CRISPR systems along with gRNAs to target specific genes or nucleotides complementary to the gRNA with PAM sequences that ...

  7. Cas9 - Wikipedia

    en.wikipedia.org/wiki/Cas9

    Cas9 (CRISPR associated protein 9, formerly called Cas5, Csn1, or Csx12) is a 160 kilodalton protein which plays a vital role in the immunological defense of certain bacteria against DNA viruses and plasmids, and is heavily utilized in genetic engineering applications.