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We narrowed to 51 results for: dual sgRNA

Showing: 1 - 20 of 51 results
  1. Zhang Lab CRISPR Page

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    ...described here. #60224 - AAV:ITR-U6-sgRNA(Kras)-U6-sgRNA(p53)-U6-sgRNA(Lkb1)-pEFS-Rluc-2A-Cre-shortPA-KrasG12D_HDRdonor-ITR...lentiCRISPR - sgRNA and SpCas9 together 2 vector system - lentiCas9-Blast and lentiGuide-Puro (sgRNA) Browse...has both single- and dual-vector systems that allow the delivery of Cas9 and sgRNA in vivo via adeno-associated...its single guide RNA (sgRNA) into one plasmid (Ran et al., Nature 2015). The dual vector system uses S....CMV-driven SaCas9; U6-driven sgRNA 61593 : PX602; TBG-driven SaCas9; U6-driven sgRNA 61592 : PX600; CMV-driven... SaCas9 sgRNA can be co-transfected as PCR amplicons using a protocol similar to SpCas9 sgRNA PCR (Ran... pAAV-U6::sgRNA(SapI)_hSyn-GFP-KASH-bGH (SpGuide acceptor). This is a AAV plasmid for sgRNA cloning. GFP-KASH...
  2. New Tools Enable CRISPRa for Neuroscience Applications

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    ... et al., 2019). This dual lentivirus system pairs ubiquitous expression of sgRNA(s) and mCherry (vector...CAG. Figure 2: Dual lentivirus system with ubiquitous expression of sgRNA (top) and neuron-specific...transcription at genomic sites targeted by specific sgRNAs. Its RNA-guided nature makes CRISPRa much simpler...all the protein and RNA components, and several sgRNAs must be screened to identify effective ones. Simplified...constrained by AAV packaging limits (i.e., how many sgRNA expression cassettes will fit). Cre-dependent expression...expression of the SPH activator paired with AAV sgRNA delivery make the SPH mouse an attractive tool to...Synapsin-1 (pan-neuronal) promoters (Figure 1b), and sgRNAs can be found here. Neuron-optimized viral vectors...
  3. Visualizing Genomic Loci with CRISPR-Sirius

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    ... labeling. (A) Diagram of sgRNA-Sirius-8XMS2, sgRNA-Sirius-8XPP7, and sgRNA-Sirius-4X(MS2-PP7) showing...and Pederson created another sgRNA containing the PP7 hairpin sequence (sgRNA-Sirius-8XPP7) to recruit GFP...loci of interest. To determine how the sgRNA-Sirius-8XPP7 and sgRNA-Sirius-8XMS2 scaffolds performed, they...detection With a third sgRNA containing alternating MS2 and PP7 sequences (sgRNA-Sirius-4X(MS2-PP7)) that...Two MS2, PP7, or boxB sequences inserted into the sgRNA generates blue, green, or red colors for labeling...combination of MS2, PP7, or boxB sequences in the same sgRNA will generate additional colors. Image from Ma et...CRISPR-Sirius into cells. They named this guide sgRNA-Sirius-8XMS2 which will recruit the HaloTag with...
  4. Hot Plasmids: Fall 2024

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    ...Gene disruption in Mycobacterium abscessus using a dual-plasmid CRISPR/Cas9 system By Aryana Khosravani ...Khosravani Deborah Hung’s lab has developed a novel dual-plasmid CRISPR/Cas9 system for gene disruption in Mycobacterium...recombination methods). By using mCherry for selection of sgRNA plasmid transformants, they avoid M. abscessus’ ...Using an inducible Cas9 expression and removing the sgRNA plasmid after identifying successful knockouts limits...abscessus. The simplicity and efficiency of this dual-plasmid approach makes it a valuable resource for...mechanisms.     Figure 4. Overview of the dual-plasmid CRISPR/Cas9 workflow in M. abscessus. A)... KanR. This strain is then transformed with the sgRNA cassette on a plasmid expressing mCherry and resistance...
  5. Empty Backbones - Choosing Your Perfect Plasmid Backbone

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    ...Agrobacterium-mediated transformation Dual-sgRNA_hU6-mU6 - Lentiviral expression plasmid for two sgRNAs from an hU6 and an...astrocyte-selective expression in AAV Dual promoter Separate expression pRGEB31 - Deliver sgRNA and Cas9 into plants by...Zeocin®/Bleo Mammalian lenti sgRNA(MS2)_zeo backbone - 3rd gen lenti sgRNA cloning backbone with MS2 loops...selectable marker pMSCV-U6sgRNA(BbsI)-PGKpuro2ABFP - For retroviral delivery of one sgRNA pMKO.1 GFP - Retroviral...metallothionein promoter pFastBac LIC and pFastBac Dual LIC - Vectors from the Gradia lab pFB-LIC-Bse - ...His-tagged versions of pFastBac LIC vectors and pFastBac Dual LIC vectors for insect expression Fluorescent proteins...confers hygromycin resistance pRGEB32 - Express sgRNA/PTG with rice snoRNA U3 promoter and Cas9 with rice...
  6. Hot Plasmids Spring 2024

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    ...The team designed sgRNAs that include an internal barcode and separated multiple sgRNAs with tRNAs, which...sensors AAV vectors for targeting microglia The REVeRT Dual AAV Vector System Neurodegeneration Collection updates...BFP2.     Figure 1: CROPseq-multi uses two sgRNAs with internal barcodes (iBARs), multiplexed using...lentiviral integration, producing a second copy of the sgRNAs. Image reused from Walton et al. 2024 under a CC-BY-NC-ND...occurs on the RNA polymerase III transcript, the sgRNAs were encoded on the lentiviral minus strand in ...2023.12.12.571321.  Revolutionizing Gene Therapy: The REVeRT Dual AAV Vector System By Vaibhav Kawde To circumvent...Riedmayr, L.M., et al. (2023). mRNA trans-splicing dual AAV vectors for (epi)genome editing and gene therapy...
  7. CRISPR 101: Which Cas9 Do I Choose for My CRISPR Experiment?

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    ...new sgRNA for your experiment, select from a variety of empty sgRNA vectors and design your sgRNA targeting...If off-target effects are a worry, consider a dual-sgRNA system. This system uses a “nicking” Cas9, in...other.  If having two sgRNAs isn’t feasible for your experiment, ensure your sgRNA sequence has little ...next? Designing or selecting a sgRNA Addgene may carry a validated sgRNA for your target gene.  Validated...serve as the target for Cas9’s single guide RNA (sgRNA), provided it meets two conditions:  1) The sequence...In order to produce a double stranded break, two sgRNAs must be used to target two Cas9-nickases (Cas9n...SpCas9. The drawback of this approach is that two sgRNAs targeting opposite strands must be available in...
  8. CRISPR References and Information

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    ...for transcriptional activation dCas9 activators sgRNA dual expression: pAC2 , pAC152 , pAC153 , pAC154 ;... Sabatini and Lander gRNA cloning into pLX-sgRNA pLX-sgRNA PDF, 129 KB Sontheimer gRNA design and cloning... can identify positively or negatively selected sgRNAs, genes, or pathways. For use with genome-scale ... opens in a new window) for lentiviral screens. sgRNA Scorer 2.0 (Link opens in a new window) A tool that... and a ctivation (Link opens in a new window) A sgRNA design tool for genome editing, as well as gene ...Link opens in a new window) Identifies candidate sgRNA target sites by off-target quality. Validated for... (Link opens in a new window) Identification of sgRNA target sites and off-target evaluation for base ...
  9. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

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    ...CRISPRko sgRNA library The Brunello library consists of 77,441 sgRNAs with an average of 4 sgRNAs per gene...contains two sets of sgRNAs; A, the top 3 ranked sgRNAs, and B, the next 3 ranked sgRNAs. Dolcetto was able...containing only 3 sgRNAs (setA) also outperformed CRISPRi libraries with 10 sgRNAs in the sgRNA metrics, confirming...2014 to predict sgRNA activity. In this study scientists examined approximately 1,900 sgRNAs and identified...subsampling analysis of the sgRNAs, Brunello even with only a single sgRNA outperformed another CRISPR...CRISPR library with 6 sgRNAS, highlighting the benefit of sgRNA design in CRISPR libraries. Thus, the Brunello... CRISPRko sgRNA library as pooled library or lentiviral prep! Dolcetto: human CRISPRi sgRNA library While...
  10. CRISPR Kinome Libraries Available: Pooled and Individual Plasmid Formats

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    ...References: 1. Doench, John G., et al. "Optimized sgRNA design to maximize activity and minimize off-target...and individual plasmid formats A first for a library at Addgene, you can also order the individual lentiGuide...all-in-one (lentiCRISPRv2, expressing both Cas9 and an individual gRNA from this single vector) and guide-only ...in the first subset of the pooled library. The individual plasmids will be useful when screening for phenotypes...themselves to screening in a pooled setting. The individual plasmids will also be useful for imaging or gene...expression assays necessitating the screening of individual plasmids separately. Additionally, this set can... can be used for cherry-picking individual gRNAs that score as hits in pooled screens, facilitating more...
  11. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

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    ...of what determines good sgRNA design. Incidentally, the first software for sgRNA design (by Hsu et al.,...technical expertise, thoughtful single guide RNA (sgRNA) design, and the abnormally low GC content of the...without computational support. Indeed, rational sgRNA design is not possible without relying on some kind...end of 2014, I began developing software to make sgRNA design accessible to all. At the time I thought ...  Breaking down the barriers: My view on current sgRNA design tools The goal of this post is to provide...software can help. The foremost handles the design of sgRNA and represents the lion’s share of the currently...however, not a focus of this blog post. I separate sgRNA design tools into database and de novo solutions...
  12. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

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    ...around 20 base pairs long. Using a single guide RNA (sgRNA) to create a double-strand break works well because...locus (Ho et al. 2012). For large-scale screening, sgRNA libraries are useful for targeting thousands of ...uses a nuclease-dead Cas9 protein (dCas9) and a sgRNA to temporarily block the transcription machinery...Hauer M, Doudna JA, Charpentier E. A Programmable Dual-RNA–Guided DNA Endonuclease in Adaptive Bacterial...
  13. Pushing the Limits of DNA Assembly

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    ...thousands of base pairs. Cloning sgRNAs Generating constructs to produce sgRNA for CRISPR experiments can be... plating, screening and generation of sgRNA. Generation of sgRNA libraries, with maximum complexity, is...constructs with multiple point mutations Cloning sgRNAs Production of Yeast Expression Cassettes Generating...synthetic oligo to generate a single-guide RNA (sgRNA). Using only one single-stranded oligo, instead ...to create a double-stranded oligo. Generating an sgRNA construct becomes as simple as combining your favorite...ends. This homology can be contained within the individual fragments themselves, but doesn’t necessarily... challenges can be circumvented by generating individual fragments containing mutations and aligned via...
  14. CRISPR 101: Validating Your Genome Edit

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    ...trace files to the TIDE tool online along with your sgRNA sequence. The TIDE software will generate a graph...along with the estimated editing frequency of your sgRNA-Cas9 combo. Pro tip: When designing your PCR, ensure...screen, at the very least, 4 clones. Did you use a dual guide system to generate your knockout? Then you... to sequence your PCR to visualize an edit. Most dual guide systems generate a deletion large enough that...finding clones with deletions is faster when using a dual guide system.   Fig. 2: Size screening for...screening success? Before you start analyzing individual clones, it’s wise to quickly assess whether a...haystack before going on to generate and screen individual clones. If a clonal line isn’t your end goal,...
  15. Tips for CRISPR Gene Editing in Mice

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    ...Cas9 expression cassette and sgRNA expression cassette. The target sgRNA can be cloned directionally into...you are happy with your selection, ordering the sgRNA is simple and easy. Several companies supply gRNA...reconstitution. When the target sequence was digested by sgRNA guided Cas9 endonuclease, homology dependent repair...cassette. (b) pCAG-EGxxFP target plasmid and pX330-sgRNA plasmid (Mashiko et al. 2013). The pCAG-EGxxFP target...approximately 500 bp genomic fragment containing the sgRNA target sequence can be placed in multi-cloning site...was co-transfected with pX330 plasmids containing sgRNA sequences into HEK293T cells. The fluorescence intensity.... Using this technique, you can assess several sgRNA’s at the same time, and choose the most effective...
  16. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

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    ... repressing or inducing individual transcripts. The activator (CRISPRa) sgRNA library uses the sunCas9...nucleolytically inactive Cas9-VP64 fusion; 2. A sgRNA incorporating two MS2 RNA aptamers at the tetraloop...gain-of-function screening when combined with a compact pooled sgRNA library. Our SAM-mediated screens exhibited a high...sunCas9 system and contains 10 sgRNAs for each transcription start site in 15,977 human genes. The transcriptional...transcriptional repressor (CRISPRi) library contains 10 sgRNAs for each transcription start site in those 15,977...further optimize those now. They are also developing sgRNAs that will enable even more fine-tuning of gene ...really confident about working for most genes and individual targeting modules. Those two things, in my opinion...
  17. A Tour of Addgene's Most Popular Pooled Libraries

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    ...CRISPR screening libraries supply a collection of sgRNAs, but they may or may not include CRISPR machinery... CRISPR libraries In CRISPR knockout screening, sgRNAs guide Cas9 to cut targeted genes, creating mutations...screening are similar to those for knockout screens: sgRNAs to guide Cas9 to targeted genes. In these applications...position, and sequence features in the selection of sgRNAs. Other CRISPR libraries As CRISPR technologies ...Just as physical barcodes help librarians track individual books, genetic barcodes allow researchers to ...
  18. Transgenic Organisms, Cas9 Gene Drives, and Appropriate Safeguards

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    ...restore the wild-type sequence (save for the residual sgRNAs and possibly cas9 gene). An immunizing reversal...cassette encoding the cas9 gene and single guide RNAs (sgRNAs) with appropriate flanking homology into a germline...don't use a DNA vector that encodes both Cas9 and sgRNA. What if I want to work with gene drives? Then do...organisms but not wild organisms. For example, an sgRNA-only drive will spread exclusively through populations...express Cas9 from an unlinked locus, while a Cas9+sgRNA drive targeting a synthetic sequence will only spread...
  19. Uncovering Ancestral Bias in CRISPR Research

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    ...indicating loci where SNPs reside on sgRNA target sequences for sgRNAs that target ancestry-associated genes...that could analyze CRISPR sgRNAs and report the likelihood of any given sgRNA having an ancestral bias....lines, looking to uncover genetic dependencies of individual tumors, which can lead to new cancer targets ...analysis. Their work revealed that cell lines from individuals of African descent have approximately 20% more...particularly in cancers that are more common in individuals of African descent.Correcting the bias  While...
  20. 28 Hot Plasmid Technologies from 2015

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    ...fused to an sgRNA used to direct Cas9 to a specific genomic locus. When fused to the sgRNA and co-expressed...dCas9 – the dCas9, sgRNA/RNA cargo complex localizes to the sequence targeted by the sgRNA. This allows scientists...machinery that brings the sgRNA/cargo RNA to the appropriate DNA locus. The sgRNA/RNA fusions retained their...construct. The sgRNA targeting Gaussia luciferase can be easily replaced with an sgRNA targeting your ...specific recruitment of multiple copies of VP64 to the sgRNA-targeted gene, resulting in increased activation...SV40, SFFV) or inducible (CMV-TO) cDNA expression, sgRNA (U6) expression, shRNA/shRNA-miR30 constitutive ...and shRNAs with a reporter gene, or (4) multiple sgRNAs with Cas9 for genome engineering. The versatility...
Showing: 1 - 20 of 51 results