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  1. CRISPR 101: Epigenetics and Editing the Epigenome

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    ...Staphylococcus aureus Cas9 (Sa-Cas) and deposited plasmid IF311: pMAGIC (R4-R3) NLS-Sa dCas9-NLS-LSD1. LSD1 ...types. They have also fused LSD1 to x-Cas9(3.7). x-Cas9(3.7) is a SpCas9 mutant that exhibits increased PAM...deacetylases. CRISPR and epigenetics As with many TALEN-based technologies, the advent of CRISPR has made .... For an up-to-date list of CRISPR epigenetic tools, check out our CRISPR Epigenetics resource. Transcriptional...potential advantage of CRISPR epigenetic tools is their persistence and inheritance. CRISPR activators and repressors...TE, Gersbach CA (2015) Epigenome editing by a CRISPR-Cas9-based acetyltransferase activates genes from ...IB, Crawford GE, Reddy TE, Gersbach CA (2017) CRISPRCas9 epigenome editing enables high-throughput screening...
  2. With Our New Viral Service, We're Taking CRISPR Further!

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    ...ready-to-use CRISPR lentiviral preps to researchers across the globe. Why provide CRISPR as virus? “Like...receive transfer plasmid DNA that you can use along with lentiviral packaging plasmids to create your own...rough approximations of the total number of CRISPR plasmids for that particular organism available at Addgene...difficulty of producing CRISPR lentivirus. As we’ve heard from scientists, producing lentivirus is not always an...the Broad Institute to provide lentiviruses for delivery of SpCas9 and Cas9 nickase for genome editing. ...all things in science, getting a high titer Cas9 lentivirus prep takes a bit of time and effort that, for... size of the SpCas9 nuclease (~4.2 kb) this is a particularly prominent problem in CRISPR genome editing...
  3. Introducing an All-in-One CRISPR/Cas9 Vector System for Multiplex Genome Engineering

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    ...gRNA for CRISPR Genome Editing CRISPR-Cas9: Tips for Optimizing sgRNA Activity Lentiviral CRISPR Libraries... They went on to show that their CRISPR/Cas9-nuclease and CRISPR/Cas9-nickase vectors work successfully...based on earlier evidence showing that a CRISPR/Cas9 plasmid could be injected directly into mice for ...Find the Mulitplex CRISPR/Cas9 Assembly System Kit at Addgene here. Other Popular CRISPR Posts: How to ...established all-in-one vector construction system for CRISPR/Cas9-mediated multiplex genome engineering is now ...is one of the most advantageous properties of CRISPR/Cas9 compared to ZFNs and TALENs,” said Tetsushi Sakuma...system offers ease and efficiency for all-in-one CRISPR/Cas9 vectors expressing up to seven guide RNAs (gRNAs...
  4. X-CHIME: Context Dependent Germline Knockout in Immune Cells

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    ...Editing CRISPR Cheat Sheat Resources from Addgene.org CRISPR Guide CRISPR: Protocol for Genome Deletions in...transduction of Cas9-expressing (Rosa26-Cas9) hematopoietic stem cells with a lentiviral vector containing...., Haining, W. N., & Sharpe, A. H. (2019). A CRISPR-Cas9 delivery system for in vivo screening of genes...strains and lentiviral expression vectors (Table 1). The four systems Name Function Plasmid Transduction...deposit also includes pXPR_071, a plasmid that leads to higher titer lentivirus preparations than the first ... Addgene blog CRISPR101: Validating Your Genome Edit How to Design Your gRNA for CRISPR Genome Editing...time-consuming, as it only changes one gene at a time. CRISPR-based systems enable gene knockout in immune cells...
  5. Your Top Requested Plasmid in 2015!

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    ...Genome-wide Screening Using CRISPR/Cas9. If you need help cloning a gRNA into lentiCRISPR v2, you can take a look...Deliver CRISPR Plasmids to Mammalian Cells Resources on the Addgene Website Visit our Lentiviral Guide...Guide Pages Find Lentiviral Plasmids Find CRISPR Pooled Libraries ...requested plasmid in 2015. In line with all of the exciting developments surrounding CRISPR genome engineering...References 1. Shalem, Ophir, et al. "Genome-scale CRISPR-Cas9 knockout screening in human cells." Science 343.6166...on the Addgene Blog Browse Our CRISPR Posts Learn about Using CRISPR to Generate Knockouts Read Some ...announce that the plasmid most requested from the Addgene repository in 2015 was... lentiCRISPR V2   LentiCRISPR...
  6. 27 Hot Plasmids from 2016

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    ... high-throughput CRISPR/Cas9 gene modification in Caenorhabditis elegans CRISPR/Cas9 technology has revolutionized...Lourido CRISPR Plasmids. Sidik and Huet, et al. Cell. 2016. PubMed PMID: 27594426 CRISPR-X: dCas9-targeted...deposited their Cas9 and gRNA backbone plasmids with Addgene. Additional control plasmids for the TKO library...constructed a CRISPR-Cas9-based tool for targeting CpG methylation by fusing catalytically inactive Cas9 (dCas9...variety of CRISPR tools to dicotyledonous plants. The pDGE Dicot Genome Editing Kit contains Cas9, Cas9 nickase...Neurosci 2016. PubMed PMID: 26950006 Plasmid ID Plasmid Name Plasmid Type 74309 pcDNA3.0-TRPV4-p2A-ferritin-p2A-mCherry...This plasmid adds to the growing collection of dCas9-VPR plasmids, which already includes dSaCas9-VPR ...
  7. CRISPR Kinome Libraries Available: Pooled and Individual Plasmid Formats

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    ...Screens with CRISPR/Cas9 Get John Doench's Tips on gRNA Design Check Out News Ways to Use CRISPR for Single...prudent. What's in the CRISPR kinome library? Thus, we are glad to provide CRISPR libraries targeting the...gRNA plasmids targeting the human kinome. These plasmids contain the same 3-4 gRNAs found in the first ... activity and minimize off-target effects of CRISPR-Cas9." Nature biotechnology (2016). PubMed PMID: 26780180...Library Page Find Validated gRNAs Deposit Your CRISPR Plasmids ... two vector formats: all-in-one (lentiCRISPRv2, expressing both Cas9 and an individual gRNA from this ...guide-only (lentiGuide expressing only an gRNA, for use with cells that already have Cas9). Each library...
  8. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

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    ...Silvana Konermann, the first generation of CRISPR-Cas9 plasmids were not designed with gene activation in... the CRISPR system was a large one.  The question for her then was this: Can you engineer CRISPR-Cas9 ...describe just such a system, which they call CRISPR/Cas9 Synergistic Activation Mediator or SAM. SAM is...Two-way CRISPR screening In October, Jonathan Weissman’s lab introduced additional pooled CRISPR libraries... transcriptional activation by an engineered CRISPR-Cas9 complex. Konermann S, Brigham MD, Trevino AE,...conducted earlier by the Zhang lab for GeCKO, a lentiviral CRISPR library enabling genome-scale, knockout screening...you review the steps for how to use pooled lentiviral CRISPR libraries and keep the following in mind: ...
  9. Pairing CombiGEM and CRISPR for Combinatorial Genetic Screening

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    ...of CombiGEM-CRISPR experiments. CombiGEM-CRISPR: The marriage of two simple platforms CRISPR has revolutionized...with Our CRISPR Guide Pages Find CRISPR Plasmids Find More Tools for Combinatorial Engineering on Our ...diverse pool of lentiviral plasmids. Multiple rounds of digestion and ligation result in plasmid libraries ... activity and minimize off-target effects of CRISPR-Cas9." Nature biotechnology (2016). PubMed PMID: 26780180... transcriptional activation by an engineered CRISPR-Cas9 complex." Nature (2014). PubMed PMID: 25494202...PMC4559080. 8. Shalem, Ophir, et al. "Genome-scale CRISPR-Cas9 knockout screening in human cells." Science 343.6166...al. "Genetic screens in human cells using the CRISPR-Cas9 system." Science 343.6166 (2014): 80-84. PubMed...
  10. 28 Hot Plasmid Technologies from 2015

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    ...fully functional Cas9 upon dimerization. Splitting wild-type Cas9 into n-terminal (Cas9(N)-2xNLS) and c-terminal... control over CRISPR/Cas9 mediated genome modification and gene expression. The plasmids associated with...Addgene Blog Read Our CRISPR 101 Posts Read Our Plasmids 101 Posts Read All of Plasmid Technology Posts ...Rapamycin-inducible Cas9 sets (Addgene plasmids 62883 &62884; 62885 & 62886) Rapamycin-inducible dCas9-VP64 activator...called CRISPR-Display, that may help answer this difficult question. CRISPR-Display uses the dCas9 enzyme...amazing plasmid technologies developed by our community of depositors. With over 40,000 plasmids avaliable...amazing new plasmid tools that have come through our doors in 2015. Do you have a favorite new plasmid tool ...
  11. Controlling for Off-target Effects with a New Genome-wide CRISPR Screen Design

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    ...genome-wide CRISPR/Cas9 screen design Are non-targeting guides an appropriate control? Many CRISPR screens...conduct genome-wide screens with CRISPR/Cas9 Review the basics of CRISPR with this cheat sheet Read our ...Genome-wide CRISPR/Cas9 screens are a high-throughput systematic approach for identifying genes involved...genome-wide CRISPR knockout screen to analyze the following unanswered questions about CRISPR screen design...effects of gRNA and Cas9 expression, they fail to account for the effects of Cas9-induced dsDNA breaks...new approach to genome-wide CRISPR screen design.   Bassik lab’s CRISPR knockout libraries Overview...infected with Cas9. Validating the Library The CRISPR knockout library was validated via a growth screen...
  12. dTAG - You're it!

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    ...Addgene.org Browse all CRISPR plasmids CRISPR plasmids for protein tagging Find validated gRNAs ...1). Plasmids: We generated a series of plasmids that are available from Addgene. These plasmids enable...Addgene Blog Easi-CRISPR: Generating Knock-In and Conditional Mouse Models CRISPR 101: Cas9 Nickase Design...degradation of FKBP12F36V-BRD4 using CRISPR/Cas9-mediated knock-in, and to evaluate in vivo degradation....ENL-FKBP12F36V and endogenous ENL was inactivated using CRISPR/Cas9 gene-editing. Featured molecules: dTAG-7 and ...FKBP12F36V-MELK and endogenous MELK was inactivated using CRISPR/Cas9 gene-editing. Featured molecules: dTAG-7, dTAG...were engineered to express YY1-FKBP12F36V using CRISPR/Cas9-mediated knock-in. Featured molecule: dTAG-47...
  13. New Tools Enable CRISPRa for Neuroscience Applications

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    ...our comprehensive CRISPR guide Find CRISPR plasmids and resources Find CRISPRa plasmids ...blog Browse our CRISPR blog posts Download our CRISPR cheat sheet Download our CRISPR eBook Resources...What is CRISPR-based activation? To summarize, CRISPRa uses a nuclease-dead variant of Cas9 (dCas9) and ... for sensitive applications such as CRISPR screening. The plasmids used by the Qi Lab for this particular...recent papers describe the development of CRISPR activation (CRISPRa) tools for neuroscience, including transgenic... using CRISPRa to target individual genes can be relatively laborious because multiple plasmids/viruses...SPH mice CRISPRa has largely been limited to in vitro settings due to the large size of Cas9 activators...
  14. The AAVantages of AAV in CRISPR Screens

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    ... to use variants of Cas9, like split Cas9, or a smaller Cas9 ortholog like SaCas9. You could even venture...Limitation for CRISPR Delivery Genome-wide Screening Using CRISPR Performing In Vivo CRISPR Screens Using...development and improvement of CRISPR-based technologies over the past decade. CRISPR screens are easily customizable...integrate at double-stranded break points caused by CRISPR-Cas9 editing. The good news is that this integration...to use a multi-plasmid system, where you have one AAV vector dedicated to expressing Cas9, while the other...resources at addgene.org CRISPR pooled libraries Guide to pooled libraries CRISPR guide AAV guide ...Most CRISPR screens rely on lentiviral systems, a fact supported by the wide array of lentiviral-based...
  15. Hassle-free 96-well Format Epitope Tagging Using Cas9 Ribonucleoprotein

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    ...Addgene.org Browse CRISPR plasmids Check out our CRISPR guide pages Find ready-to-use Cas9 lentivirus ...Enhanced CRISPR/Cas9-mediated precise genome editing by improved design and delivery of gRNA, Cas9 nuclease...target site. With the widespread adoption of CRISPR/Cas9 technology and rapid improvements in the field...tracrRNA/Cas9 Ribonucleoprotein (csRNP) delivery Epitope tagging of mammalian genes using CRISPR depends... to construct plasmid vectors or synthesize/purify IVT sgRNA in the lab. Figure 2: Cas9 RNP complexed...genes more effectively than Cas9 complexed with sgRNA. Direct comparison of Cas9 RNPs prepared with an in...csRNP knock-in experiments If your lab is new to CRISPR/Cas9 experiments, there is no need to worry at all...
  16. Giving gRNAs a Facelift - Synthetic and Beyond

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    ...design your CRISPR gRNA CRISPR 101: Ribonucleoprotein (RNP) Delivery Components of CRISPR/Cas9 ...Addgene's CRISPR resources Request ready-to-use viral preps of select CRISPR lentiviral plasmids Additional...sequence for CRISPR-Cas9 targeting is led by a ~20 bp gRNA which is part of the larger CRISPR RNA (crRNA...surprise then that stability of the RNA used in CRISPR-Cas9 experiments – the “gRNA” – suffers from the same...modifications listed above were developed before CRISPR-Cas9, for use in applications like siRNA and antisense...On-off switches for gRNAs A major drawback of CRISPR-Cas9 technology is that most expression systems are...several seconds) the gRNA is released and the CRISPR-Cas9 system can initiate targeted editing events. ...
  17. Popular Retroviral Vectors and Their Uses in Scientific Research

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    ... Learn more about CRISPR plasmids for transcriptional inhibition. Retroviral Plasmid Kit Retroviral Barcoding...ready-to-use lentiviral prep from the Addgene viral service. CRISPR technology lentiCRISPR v2 (Plasmid #52961...and selection marker removal. CRISPR technology pdCas9-humanized (Plasmid #44246) Expression of a catalytically...separate envelope and packaging plasmids as well as transfer plasmids. This concept ensures safe handling...expressing new shRNA sequences pLKO (Plasmid #10878) This plasmid has been used by The RNAi Consortium...up-to-date information. Check our CRISPR guide and blog to learn more about CRISPR and the most recent developments...knockdown (shRNA, miR-30-shRNA), mutation/editing (CRISPR-Cas9) or deletion (Cre), together with expression ...
  18. DAP arrays for multiplex gene editing

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    ... found led them back towards Cas9 fused base editors (nCas9-BE), as Cas9 is mechanistically more favored...leading the edge of the precision gene editing. CRISPR-Cas9, the key component to enable efficient base editing...also exhibited reduced Cas9-dependent off-target editing and do not cause higher Cas9-independent off-target...independently generate multiple gRNAs for nCas9-BE, or any other kinds of CRISPR tools, without compromising their...The natural CRISPR locus of a bacteria host encodes multiple guide RNAs (gRNAs) on a single array to ... invading phage pathogen. Over the past decade, CRISPR tools have leveraged such host-defense mechanisms...with only minimal payloads. DAP array  Although CRISPR-Cas12a, with abilities to process and release its...
  19. Sequencing Options for CRISPR Genotyping

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    ...Use Cas9 Activators Perform Genome-Wide Screens with CRISPR Generate Mouse Models with CRISPR/Cas9 Additional...View Our CRISPR Guide Pages Find CRISPR Plasmids for Your Experiments Get Ready-to-Use CRISPR Lentivirus...off-target cleavage by CRISPR-Cas9 and TALENs using integrase-defective lentiviral vectors." Nature biotechnology...steps in the CRISPR experimental process is validating edits. Regardless of which CRISPR genome editing...discussed in CRISPR 101: Validating Your Genome Edit, there are a variety of options for CRISPR genotyping...techniques, please see “Methods for Optimizing CRISPR-Cas9 Genome Editing Specificity” by Tycko et al. 2016...and improving the genome-wide specificities of CRISPRCas9 nucleases”
by Tsai and Joung 2016. Many thanks...
  20. Using Addgene's New Viral Service for Your Research

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    ...with lentiviral preps for the delivery of Cas9 endonuclease, Cas9 nickase, Cas9 activators, Cas9 repressors...new Viral Service, we’re distributing lentivirus (with many CRISPR tools included among the preps that ...or suggest additional plasmids with the Viral Service Suggestion Form. Lentivirus As some of the most popular... popular lentiviral vectors in the repository are used to produce CRISPR tools, we’re starting the Viral.... Of course, lentiviruses are used in experiments other than just those involving CRISPR and so we also...accelerate your research.   Why distribute virus? Plasmid distribution is booming, but, over the years, many...repressors, select gRNAs, and CRISPR pooled libraries. Whether you’d like to knockout a gene, replace it,...
Showing: 21 - 40 of 80 results