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We narrowed to 303 results for: crispr cas9

Showing: 221 - 240 of 303 results

  1. Plasmids 101: Screens vs. Selections

    Type
    Blog Post
    ... Addgene Blog CRISPR libraries Genome-wide screens with CRISPR Lentiviral CRISPR libraries ....S. Genetic screens in human cells using the CRISPR/Cas9 system. Science, 343(6166): 80-84 (2014). doi...with small molecules/drugs. With the advent of CRISPR, genome-wide knockout screens are possible with...While the entire genome can be knocked out with CRISPR, the entirety of the small molecule realm is typically...downstream manipulations as a forward or reverse screen (CRISPR, drug, etc.), just with an added baseline component...component. Alternative screening techniques While CRISPR and drugs dominate the screening scene, there are... worth considering. RNAi screens are similar to CRISPR, but instead of knocking out the genes of interest...

  3. Viral Vectors 101: Viral Applications

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

  4. Hot Plasmids: Spring 2025

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    Blog Post
    ...RNA-guided genome editing, think beyond Cas9 with STITCHR: a combined CRISPR / retrotransposon system with the...site-specific target-primed insertion through targeted CRISPR homing of retroelements." The Abudayyeh-Gootenberg... Figure 4: STITCHR consists of a nicking Cas9 fused to a shortened R2Tocc transposon protein, ...for scarless insertion of the payload (teal). The Cas9 gRNA targeting guide and the transposon RNA homology...scientists fused the retrotransposon protein R2Tocc to a Cas9 nickase to improve target recruitment and nicking...TurboCas provides the genomic targeting power of dCas9 with the dynamic labeling power of miniTurboID, ...proximity ligation tool (Cenik et al., 2024). While dCas9 has been used in combination with proximity labeling...

  5. Important Considerations When Using AAVs

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    Blog Post
    .... Currently, AAVs are being used to deliver CRISPR/Cas9 but have the potential to deliver other therapeutic...used with new exciting technologies (such as CRISPR/Cas9) as they allow for gene delivery in an efficient...Expression in Mammals A Match Made in Heaven: CRISPR/Cas9 and AAV Viral Vector Elements Additional Resources...

  6. Uncovering Ancestral Bias in CRISPR Research

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    Blog Post
    ...mismatches within a CRISPR guide can prevent the guide from binding to the genome or prevent Cas9 from cutting...extension, race. Many researchers do large-scale CRISPR screens in cancer cell lines, looking to uncover... and Boehm labs pulled data from more than 1000 CRISPR screens in DepMap to see if they could identify...Since about 90% of the cell lines used in DepMap CRISPR screens are of either European or East Asian ancestry...it was coming through an unexpected source: the CRISPR guides, short pieces of RNA that bind to a cell...does the reference genome actually reference?  The CRISPR guides used in the screens they analyzed were designed...map to thetargeting sequences of guides across 8 CRISPR libraries. Samples are divided into those of African...

  7. CRISPR 101: RNA Editing with Cas13

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    Blog Post
    ... out our CRISPR Featured Topic Page Learn about RNA Targeting with Cas13a Learn about CRISPR DNA Base ...Resources on Addgene.org Browse All CRISPR Plasmids Check out our CRISPR Guide Pages ...enzymes are quickly becoming major players in the CRISPR field. Just a year after Feng Zhang’s lab identified...C2c2) (Abudayyeh et al., 2016) as a RNA-targeting CRISPR enzyme, they adapted Cas13b for precise RNA editing...programmable A to I (G) replacement) is the first CRISPR tool for RNA editing. Two years after that, the...the target locus, making them more flexible than Cas9/Cpf1. Some Cas13 enzymes prefer targets with a given... targeting work with Cas13, REPAIR is the first CRISPR-based system to enable precise RNA editing. The...

  8. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

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    Blog Post
    ...organism.   It’s not an overstatement to say that CRISPR/Cas9 editing is one of the key tools now providing...clutch of eggs? Propagation is thus quite difficult. CRISPR genome editing in squid is possible nonetheless...reptiles at all. But new success is coming with CRISPR/Cas in lizards. The Menke Lab was able to make ...-Mediated Ovary Transduction of Cargo)  delivers Cas9 RNP to the arthropod germline by injection into ...

  9. Hot Plasmids February 2024

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    Blog Post
    ...cells By Susanna Stroik Even with the advances in CRISPR technology over the past decade, primary cells ...peptide” that facilitates endosomal escape. Combining Cas9-PAGE with lentiviral sgRNA expression yielded editing...lines and primary cells. Although cell entry of a Cas9 ribonucleoprotein (RNP) was limited (likely due ...multiplexed guides. Figure 1: A) Cell-penetrating Cas9, fused to HIV TAT, Myc and SV40 Nuclear Localization...Localization Signals, and GFP. B) Workflow to assess Cas9-PAGE editing with viral sgRNA targeting mCherry reporter...

  10. Pooled Library Amplifications

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    Blog Post
    ...Protocol (DOCX, 17 KB)   For CRISPR libraries, Genome-scale CRISPR-Cas9 knockout and transcriptional ...Amplification Type Link to Protocol CRISPR Knockout Human CRISPR Knockout Pooled Library (Brunello) ...Amplification Protocol (PDF, 88.2 KB) CRISPR Knockout Human CRISPR Knockout Pooled Library (GeCKO v2) ... Protocol (DOCX, 15 KB) CRISPR Activation Human Genome-wide CRISPRa-v2 Libraries 104,540–209,080...Re-Amplification Protocol (PDF, 71 KB) CRISPR Activation Human Subpooled CRISPRa-v2 Libraries 12,285–20,145 ...ng Solid Joung et al. Nat Protoc. 2017 CRISPR Knockout Human Epigenetic Knockout Library ...on the Addgene blog Genome-Wide Screening Using CRISPR Preparing Pooled Libraries NGS Quality Control ...

  11. CRISPR Plasmids - Purify Genomic Loci

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    Collection
    ...Zebrafish Xenopus CRISPR Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts Identifying... CRISPR Purify CRISPR: Purify Genomic ... for enChIP, as well as an anti-Cas9 antibody. Biotin tagging of dCas9 can be achieved by fusing a biotin...interest in vivo. For CRISPR-based purification, design your gRNA sequence to direct dCas9 to a specific locus...Catalytically inactive CRISPR plasmids for purification of target loci. CRISPR...Genomic Loci Browse CRISPR Plasmids By Function Genome Editing Cut Base Edit Nick Prime Edit Transcriptional...essential to understanding locus function. Using CRISPR, researchers have expanded chromatin immunoprecipitation...

  12. CRISPR Plasmids - Parasites

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    Collection
    ...Zebrafish Xenopus CRISPR Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts Eukaryotic... CRISPR Parasites CRISPR Plasmids...research for decades. Recent developments with CRISPR-Cas9 gene editing have propelled both reverse and ... Libraries Toxoplasma CRISPR Knockout Pooled Library - Toxoplasma gondii CRISPR genome-wide knockout gRNA...forward genetics of these parasites. Moreover, CRISPR-dCas9 gene regulation has also been established for...CRISPR expression plasmids that have been designed for use in parasites. CRISPR...Plasmids: Parasites Browse CRISPR Plasmids By Function Genome Editing Cut Base Edit Nick Prime Edit Transcriptional...

  13. CRISPR Plasmids - RNA Targeting

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    Collection
    ...Zebrafish Xenopus CRISPR Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts Type...CRISPR RNA Targeting CRISPR Plasmids: RNA Targeting Browse CRISPR Plasmids By Function Genome Editing Cut ...CRISPR plasmids for targeting RNA sequences, which include the enzymes C2c2/Cas13a and Cas13b. CRISPR... Type VI CRISPR systems, including the enzymes Cas13a/C2c2 and Cas13b, target RNA rather than DNA. In ...crRNA. This activity provides a stark contrast to Cas9 and Cpf1, which require that each DNA target have... of Cas enzymes? CasPEDIA is an encyclopedia of CRISPR systems with wiki entries describing enzyme activity... . Browse, sort, or search the tables below for CRISPR RNA targeting plasmids. Plasmids are available ...

  14. CRISPR Plasmids for Genomic Visualization

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    Collection
    ...Zebrafish Xenopus CRISPR Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts Using... CRISPR Visualize CRISPR Plasmids:... inactive Cas9 (dCas9) fused to a fluorescent marker like GFP, researchers have turned dCas9 into a customizable...CRISPR/Cas plasmids for labeling and visualization of genomic loci. CRISPR...Plasmids: Visualize Genomic Loci Browse CRISPR Plasmids By Function Genome Editing Cut Base Edit Nick Prime Edit...fluorescent proteins to visualize targeted genomic loci. CRISPR imaging has numerous advantages over other imaging...like fluorescence in situ hybridization (FISH), CRISPR imaging offers a unique method for detecting the...

  15. Validated gRNA Sequences

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    Collection
    ...Sequences You may also like... CRISPR Guide CRISPR Protocols gRNA Design Tools CRISPR Blog Posts The table below...PAM sequence). Which CRISPR application is this gRNA sequence compatible with? CRISPR knockout experiments...described on Addgene's CRISPR Plasmids and Resources page have been used to indicate the Cas9 application the...single species or PAM binding variant of Cas9 (e.g. Wild-type SpCas9 must be used with targets that are upstream... Genome Engineering CRISPR Validated gRNA Sequence Datatable Validated gRNA...that have been experimentally validated for use in CRISPR experiments. This datatable is compiled from plasmids...activity. Know your target. Which species or variant of Cas9 ( S. pyogenes, S. aureus etc.) was this gRNA sequence...

  16. Hot Plasmids - May 2022

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    Blog Post
    ...efficiency 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...

  17. Lentiviral Vector Uses and Overview

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    Blog Post
    ...Screening Read about Genome-Wide Screening Using CRISPR/Cas9 Additional Resources on Addgene.org Check out...Lentiviral vectors are the vector of choice for many CRISPR applications, and they’ve also had success in clinical...transgene-expressing or knockout cell lines. Many CRISPR plasmids are designed for lentiviral use, including... Improved vectors and genome-wide libraries for CRISPR screening. Sanjana NE, Shalem O, Zhang F. Nat Methods...Lentiviral Plasmid FAQs Answered Learn How Lentiviral CRISPR Libraries Enable Genome-Scale, Knockout Screening...including Addgene’s top requested plasmid in 2015: lentiCRISPR v2, used both for targeted modification and genome-wide...

  18. Cultivating Community Science at BosLab

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    Blog Post
    ...our journal club discussion on Kevin Esvelt’s CRISPR/Cas9 gene drive paper was very popular. People kept...Blog Experimenting in an Open Source Lab: from CRISPR to Cats Stem Cell Models for Disease & Open Science...

  19. Cloning Mammalian Cells with the Agarose Method

    Type
    Blog Post
    ...48-well plate for further analysis. To assess CRISPR/Cas9 knockout efficacy, we have used both Western ...Addgene Blog Tips for a 1st Time CRISPR User (by a 1st Time CRISPR User) The Challenges of Cell Culture...; more recently we have also been using Addgene CRISPR vectors to generate cell lines with knockouts of...

  20. How Addgene Creates Content

    Type
    Blog Post
    ...knowledge changes and require updating or retiring. CRISPR/Cas9, for example, has gone through rapid change in...Resources on the Addgene Blog Science careers Plasmids CRISPR Viral vectors Fluorescent proteins  ...
Showing: 221 - 240 of 303 results