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We narrowed to 304 results for: cas9

Showing: 181 - 200 of 304 results

  1. Hot Plasmids Spring 2024

    Type
    Blog Post
    ...Blainey’s lab has developed a multiplexing approach to Cas9-based pooled CRISPR screens called CROPseq-multi...Anzalone et al., 2019, including modifications to the Cas9 or reverse transcriptase enzymes, inhibition of ...end of the pegRNA, which is not well protected by Cas9. This is similar to the proposed mechanism for engineered...of applications, including CRISPR activation by dCas9-VPR, prime editing, and delivery of disease-relevant...

  2. 22 Hot Plasmid Technologies from 2014

    Type
    Blog Post
    ...plasmids available! Interested in purifying Cas9? Check out pET-28b-Cas9-His from Alex Schier's lab, designed...the lab of Yonglong Chen, pCS2-3xFLAG-NLS-SpCas9-NLS is a Cas9 expression plasmid that was used by Chen...colleagues, FokI-dCas9 expresses Fok1 nuclease domain fused to catalytically inactive Cas9 DNA-binding domain...gene/region of interest is a key step for CRISPR/Cas9 gene editing. Dr. Masahito Ikawa has created a GFP...Next, the gRNA being tested is expressed along with Cas9. If the gRNA effectively cuts the target sequence...designed for expression and purification of Cas9 protein in Rosetta E. coli. New Lentiviral CRISPR activator...

  4. CRISPR Plasmids - RNA Targeting

    Type
    Collection
    ...crRNA. This activity provides a stark contrast to Cas9 and Cas12, which require that each DNA target have...

  5. CRISPR Plasmids - Purify Genomic Loci

    Type
    Collection
    ... for enChIP, as well as an anti-Cas9 antibody. Biotin tagging of dCas9 can be achieved by fusing a biotin...molecule-mediated ChIP) system, catalytically inactive dCas9 is used to purify genomic DNA bound by the gRNA....gRNA. An epitope tag or tags can be fused to dCas9 or gRNA for efficient purification. Various epitope tags...biotin acceptor site to dCas9 and co-expressing BirA biotin ligase, as seen in the CAPTURE system . The...

  7. Harnessing Bacterial Toxins for Allelic Exchange

    Type
    Blog Post
    ...(Thomason et al., 2014). In recent years, CRISPR-Cas9 technology has also aided in the creation of scarless...15109831. Pyne, Michael E., et al. "Coupling the CRISPR/Cas9 system with lambda red recombineering enables simplified... and Kristala LJ Prather. "The no-SCAR (Scarless Cas9 Assisted Recombineering) system for genome editing...

  8. CRISPR 101: Off-Target Effects

    Type
    Blog Post
    ...blog CRISPR 101: Which Cas9 do I choose for my CRISPR experiment? CRISPR 101: Cas9 The Other Cas(s) CRISPR...Ma X, Gao F, Guo Y. Off-target effects in CRISPR/Cas9 gene editing. Front Bioeng Biotechnol. 2023 Mar ...specific variants. HypaCas9, sSpCas9(1.1), SpCas9HF1, and evoCas9 are a few spCas9s which have been evolved...of Maya Kostman. The most commonly used Cas, spCas9, has gone through multiple rounds of optimization...

  9. Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods

    Type
    Blog Post
    ...restriction enzyme or PCR to make linearized vector, the Cas9 enzyme along with a specific gRNA was used to cleave...Li K, Wang B, Jin S, Reiser M, Lockey RF. CRISPR/Cas9 nuclease cleavage combined with Gibson assembly ... Zhao X, Gabrieli T, Lou C, Ebenstein Y, Zhu TF. Cas9-Assisted Targeting of CHromosome segments CATCH ...

  10. Visualizing Genomic Loci with CRISPR-Sirius

    Type
    Blog Post
    ...fluorescent protein to various Cas9 variants, SpCas9, NmCas9, and St1Cas9. These fusions localized to specific...The catalytically dead Cas9 protein (dCas9) is well known for its ability to bind DNA targets without...inhibition, among others. Over the past few years, dCas9 has also become a robust visualization tool to study...University of Massachusetts Medical School developed a dCas9-based multicolor labeling system to visualize chromosomal... al. “Multiplexed labeling of genomic loci with dCas9 and engineered sgRNAs using CRISPRainbow.” Nature...

  11. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

    Type
    Blog Post
    ... tools yet. As a genome editing tool, the CRISPR/Cas9 technology has been surrounded by a whirlwind of... parasite Plasmodium falciparum using the CRISPR-Cas9 system." Nature biotechnology(2014). PubMed PMID... et al. "DNA targeting specificity of RNA-guided Cas9 nucleases." Nature biotechnology 31.9 (2013): 827...Rational design of highly active sgRNAs for CRISPR-Cas9-mediated gene inactivation." Nature biotechnology...with R. For the Java enthusiasts, take a look at sgRNAcas9. Top tools for transferring CRISPR technology ...

  13. Viral Vectors 101: Viral Applications

    Type
    Blog Post
    ...depending on the vector and virus. Viral CRISPR-Cas9 tools have been engineered to introduce frameshift... Therapy with AAV Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells ...

  14. Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors

    Type
    Blog Post
    ...compatible with all Cas9 and Cas12 homologs that the researchers tested, including SpCas9, SaCas9, LbCas12a, enAsCas12a...the DNA. ABEs are somewhat slow and need a strong Cas9 domain to “hold on” long enough to the DNA to induce... enAsCas12a, SpCas9-NG, SaCas9-KKH, CP1028-SpCas9, and CP1041-SpCas9. The resulting base editor was named... weakly compatible with many Cas domains beyond SpCas9. In order to expand the gene-editing applications...components: A plasmid in the host bacterium expressing dCas9 A plasmid in the host bacterium that expresses gene...

  15. Hot Plasmids - May 2022

    Type
    Blog Post
    ...of up to 20%, comparable to commonly used CRISPR/Cas9 methods for large inserts. However, this system ...in comparison to the 62-90% error rate seen with Cas9 editors. The lab believes that this system could...inactive dCas9 and microbial SSAPs (dCas9-SSAP) which insert genes in a cleavage free manner. The dCas9-SSAP...cleavage-free dCas9-based gene editor using microbial SSAPs. Image from Wang, et al, 2022.  Find dCas9-SSAP...Cre-mediated AAV Targeted Evolution method (M-CREATE) dCas9-SSAP with reduced error rate for long sequence knock-ins... https://doi.org/10.1038/s41593-021-00969-4.   dCas9-SSAP with reduced error rate for long sequence knock-ins...Wilson Le Cong’s lab has developed a method using dCas9-SSAP to knock-in long sequences with reduced risks...

  16. It’s CRISPR Week at Addgene!

    Type
    Blog Post
    ...knockouts using CRISPR and Wednesday will highlight some Cas9 variants. Next, we’ll look at various CRISPR applications...

  17. The 12 Days of CRISPR: 2021

    Type
    Blog Post
    ...the eleventh day of CRISPR, Addgene gave to me: a Cas9 nickase 101 blog post.  On the twelfth day of CRISPR...

  18. Hot Plasmids: Fall 2025

    Type
    Blog Post
    ...Affordable, low-tech CRISPR/Cas9 experiments By Ashley Waldron CRISPR/Cas9 has revolutionized biotechnology...chromoprotein and gRNA plasmids. Nuclease-dead Cas9 (dCas9) protein is supplied separately. Results can ...

  19. Treating Muscular Dystrophy with CRISPR Gene Editing

    Type
    Blog Post
    ...long period of time. High fidelity Cas9s such as eSpCas9 and SpCas9-HF should be explored to reduce off-target...Majoros WH, Reddy TE, Gersbach CA. Multiplex CRISPR/Cas9-based genome editing for correction of dystrophin... vivo genome editing using Staphylococcus aureus Cas9. Nature. 2015 Apr 9;520(7546);186-91. doi: 10.1038...mutation in dystrophin exon 23. Long et al. used SpCas9 in conjunction with AAV9, whereas Nelson et al....al. and Tabebordbar et al. used the shorter SaCas9 with AAV8 and AAV9, respectively. Although each study...

  20. CRISPR Guide

    Type
    Guide
    ... available with multiple Cas9 variants, including high fidelity Cas9s, Cas9s with various PAM requirements...strand SpCas9-HF1 — disrupt Cas9’s interactions with DNA phosphate backbone HypaCas9 — increase Cas9 proofreading...more Cas9 fusion tools later in the guide. Figure 3: Overview of Cas9n. Increasing fidelity of Cas9 Researchers...enhanced specificity by engineering Cas9 into high fidelity Cas9s (hfCas9) . There is currently no defined...application. Cas9 Orthologs While SpCas9 is the most commonly used Cas enzyme, additional Cas9 orthologs ...constructs with Cas9 fused to proteins that modulate HDR or NHEJ components, like miCas9 , Cas9-DN1S , or others...Plasmids: Purify Cas9 Alternatives for CRISPR Genome Engineering S. pyogenes Cas9 (SpCas9) is the most commonly...
Showing: 181 - 200 of 304 results