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  2. Cas12a - Wikipedia

    en.wikipedia.org/wiki/Cas12a

    Cas12a is distinguished from Cas9 by a its single RuvC endonuclease active site, its 5' protospacer adjacent motif preference, and its formation of sticky rather than blunt ends at the cut site; these and other differences may make it more suitable for certain applications [citation needed]. Beyond its use in basic research, CRISPR-Cas12a could ...

  3. CRISPR activation - Wikipedia

    en.wikipedia.org/wiki/CRISPR_activation

    See: Guide RNA, CRISPR. Complementary base pairing between the sgRNA and genomic DNA allows targeting of Cas9 or dCas9. A small guide RNA (sgRNA), or gRNA is an RNA with around 20 nucleotides used to direct Cas9 or dCas9 to their targets. gRNAs contain two major regions of importance for CRISPR systems: the scaffold and spacer regions.

  4. CRISPR - Wikipedia

    en.wikipedia.org/wiki/CRISPR

    Cas9 (or "CRISPR-associated protein 9") is an enzyme that uses CRISPR sequences as a guide to recognize and open up specific strands of DNA that are complementary to the CRISPR sequence. Cas9 enzymes together with CRISPR sequences form the basis of a technology known as CRISPR-Cas9 that can be used to edit genes within living organisms.

  5. 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.

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

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

    The exact protocol for lentiviral production will vary depending on the research aim and applied library. [35] [43] [44] If a two vector-system is used, for example, cells are sequentially transduced with Cas9 and sgRNA in a two-step procedure. [35] [44] Although more complex, this has the advantage of a higher titre for the sgRNA library virus ...

  7. Trans-activating crRNA - Wikipedia

    en.wikipedia.org/wiki/Trans-activating_crRNA

    In molecular biology, trans-activating CRISPR RNA (tracrRNA) is a small trans-encoded RNA. It was first discovered by Emmanuelle Charpentier in her study of the human pathogen Streptococcus pyogenes , a type of bacteria that causes harm to humanity. [ 1 ]

  8. CRISPR RNA - Wikipedia

    en.wikipedia.org/wiki/CRISPR_RNA

    CRISPR RNA or crRNA is a RNA transcript from the CRISPR locus. [1] CRISPR-Cas (clustered, regularly interspaced short palindromic repeats - CRISPR associated systems) is an adaptive immune system found in bacteria and archaea to protect against mobile genetic elements , like viruses , plasmids , and transposons . [ 2 ]

  9. Wikipedia:Citing sources/Alternative proposal - Wikipedia

    en.wikipedia.org/.../Alternative_proposal

    In contrast, the software is currently quite sufficient to support the parenthetical author-date format (Harvard style) suggested above. Many of today's style guides forbid or deprecate footnotes and reference endnotes when used simply to cite sources (Concordia Libraries). The APA style does not use footnotes to cite sources.

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