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  2. CRISPR interference - Wikipedia

    en.wikipedia.org/wiki/CRISPR_interference

    CRISPR interference (CRISPRi) is a genetic perturbation technique that allows for sequence-specific repression of gene expression in prokaryotic and eukaryotic cells. [1] It was first developed by Stanley Qi and colleagues in the laboratories of Wendell Lim , Adam Arkin, Jonathan Weissman , and Jennifer Doudna . [ 2 ]

  3. CRISPR gene editing - Wikipedia

    en.wikipedia.org/wiki/CRISPR_gene_editing

    Apart from knock-out there are also knock-down (CRISPRi) and activation (CRISPRa) libraries, which use the ability of proteolytically deactivated Cas9-fusion proteins (dCas9) to bind target DNA, which means that a gene of interest is not cut but is over-expressed or repressed. It made CRISPR/Cas9 system even more interesting in gene editing.

  4. Perturb-seq - Wikipedia

    en.wikipedia.org/wiki/Perturb-seq

    CRISPR interference (CRISPRi) on the other hand utilizes a catalytically inactive nuclease to physically block RNA polymerase, effectively preventing or halting transcription. [8] Perturb-seq has been utilized with both the knockout and CRISPRi approaches in the Dixit et al. paper [2] and the Adamson et al. paper, [1] respectively.

  5. CRISPR activation - Wikipedia

    en.wikipedia.org/wiki/CRISPR_activation

    CRISPR activation (CRISPRa) is a gene regulation technique that utilizes an engineered form of the CRISPR-Cas9 system to enhance the expression of specific genes without altering the underlying DNA sequence.

  6. Today’s NYT ‘Strands’ Hints, Spangram and Answers for Friday ...

    www.aol.com/today-nyt-strands-hints-spangram...

    Move over, Wordle, Connections and Mini Crossword—there's a new NYT word game in town! The New York Times' recent game, "Strands," is becoming more and more popular as another daily activity ...

  7. Trump says we don't need Canadian-built cars. A new report ...

    www.aol.com/finance/trumps-canada-tariffs-hurt...

    The report didn't mention another important factor: the impact of tariffs on auto parts and components that flow from Canada and Mexico to the US and back.

  8. Parenting is expensive in Washington, but so is this idea to ...

    www.aol.com/news/parenting-expensive-washington...

    (The Center Square) – After ranking among the most expensive states to raise a child, Washington wants to cut costs for parents, but one plan would put nearly $730 million at risk amid a massive ...

  9. 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 ...