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Showing: 101 - 120 of 175 results
  1. How to Deposit Your Plasmids with Addgene

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    Blog Post
    ... Encodes gRNA/shRNA A plasmid with one or more gRNA or shRNA sequences cloned into it. gRNAs are used...the shRNA sequence. Empty backbone A plasmid designed for cloning a gene/insert into it. Empty backbones...gene contained within your insert (or targeted by a gRNA/shRNA) and select the species that the gene or insert...intended to be used. For instance, if your plasmid is designed to allow you to produce large amounts of your ...
  2. Twelve Amazing Guest Blog Contributors!

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    Blog Post
    ... An Introduction to Gating in Flow Cytometry, Designing Your First Flow Panel, and Beyond Surface Labeling...software that predicts efficiencies of prime editing gRNAs.   PRIDICT Harvinder Virk and Michael Biddle, ...
  3. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

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    Blog Post
    ...single-target design”, “multi-target design”, “off-target aware”, “high mismatch limit”, “approximate design”, “... “empirical design”, “single-PAM design”, and “multi-PAM design”. Trends: By the end of 2014, tools began...with the post-design process such as primer and plasmid design. Examples:  “multiplex design”, “multi-method...what determines good sgRNA design. Incidentally, the first software for sgRNA design (by Hsu et al., 2013...results to the designs suggested by each tool. For those who are entering sgRNA design for the first time...multi-method design”, and “single-method design”. Trends: The most common utility functions are batch design...aiding in primer design are more and more common. User interaction: Software design elements that fall...
  4. CRISPR Plasmids - Cascade-Cas3

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    Collection
    ... dCas9-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila...Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts Cas3 is a unique member...off-target alterations and require only a single gRNA. Cas3 must be paired with the Cascade ( C RISPR-...Cas11. Cascade is directed to target DNA using a gRNA and recruits Cas3. After nicking the non-targeted...
  5. CRISPR Guide

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    Collection
    ... of unique gRNAs. gRNA design for CRISPR libraries is usually optimized to select for gRNAs with high ... guide RNA ( gRNA or sgRNA ) and a CRISPR-associated endonuclease (Cas enzyme). The gRNA is a short synthetic...commonly referred to as an sgRNA. gRNA scaffold sequence The sequence within the gRNA that is responsible for...amplify a specific sequence of DNA pegRNA P rime E dit gRNA; a specialized gRNA containing an additional primer...Cas enzyme and a gRNA specific to the gene of interest. The genomic target of the gRNA can be any ~20 nucleotide...interactions between the gRNA scaffold and surface-exposed positively-charged grooves on Cas9. gRNA binding induces...if the gRNA spacer sequence shares sufficient homology with the target DNA. Once the Cas9-gRNA complex...
  6. Mobile-CRISPRi: Bringing CRISPRi to Diverse Bacteria

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    Blog Post
    ...treated with a folA gRNA were more sensitive to trimethoprim when compared to control gRNA treated or untreated...existing bacterial CRISPRi methods. First, its modular design allows for customization with strain-specific promoters...promoters, antibiotic resistance selection markers, gRNAs, and dCas9 proteins. Second, it can be introduced...
  7. CRISPR Plasmids and Resources

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    Collection
    ...Browse depositor protocols, find software for gRNA design and deep sequencing analysis, discover links ...methods can be used to visualize genomic loci. gRNAs Empty gRNA Vectors Select an empty vector for your experiment...experiment based on a variety of factors. gRNAs gRNA plasmids to target specific genes....
  8. CRISPR Plasmids - RNA Targeting

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    Collection
    ... dCas9-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila...Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts Type VI CRISPR systems...
  9. CRISPR Plasmids - CRISPR Transposases (CAST)

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    Collection
    ... dCas9-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila...Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts CRISPR-associated transposases...
  10. Jaenisch Lab CRISPR Plasmids

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    Collection
    ...may also like... CRISPR Guide CRISPR Protocols gRNA Design Tools CRISPR Blog Posts CRISPR-on is an RNA-guided...CRISPR Cas9 gRNA plasmids from Dr. Rudolf Jaenisch's lab. CRISPR...component provides the specificity and is designed to target promoters or enhancers of genes of interest. Different...guide RNA (sgRNA). While the dCas9 protein provides the transactivation activity, the sgRNA component ...activators and sgRNAs can be separately transfected (pmax dCas9 activators [48223~48227] + sgRNA expression...expression vector or the linear DNA containing the sgRNA expressing fragment produced by PCR), or expressed from... via the links below: Table 1. dCas9 Activators sgRNA Dual Expression ID Plasmid 48236 pAC2-dual-dCas9VP48...
  11. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

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    Blog Post
    ... for integration, “part A” of the transgene, the gRNA target site that mediated the donor template’s integration...integration; and a sequence of stuffer DNA after the gRNA target site. Donor B contains: 400 bp homology ...if non-homologous end joining (NHEJ) disrupts the gRNA target site after the first HDR event, then the ...HDR event can’t occur. Lastly, depending on its design, donor A may be capable of expressing a truncated...A in any of the reading frames downstream of the gRNA target site so that transcripts undergo nonstop ...
  12. Treating Muscular Dystrophy with CRISPR Gene Editing

    Type
    Blog Post
    ...strategies for Duchenne muscular dystrophy. gRNAs can be designed to flank a single or multiple exons that...In a subsequent study, they used CRISPR with two gRNAs to delete exon 51 or exons 45-55 in patient myoblasts...NHEJ, will restore the dystrophin reading frame. gRNAs bind in intronic regions, so low-frequency indels...CRISPR Plasmids for Your Research Find Validated gRNAs for Your Research ...
  13. Pushing the Limits of DNA Assembly

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    Blog Post
    ...multiple fragments of DNA to create a synthetically designed DNA sequence. There are multiple methods of DNA...purification steps and end-repair steps with well-designed fragment overlap sections, while still creating... guide you through both experimental and primer design based on fragment sequences and the polymerase ...enzymes are adjusted. Appropriate fragment and primer design results in covalently joined, scarless DNA – perfect...interest (search Addgene plasmids by gene here), designing primers with your desired mutation, performing...Addgene.org Browse Our CRISPR Resources Find Validated gRNAs Browse All Plasmids ...thousands of base pairs. Cloning sgRNAs Generating constructs to produce sgRNA for CRISPR experiments can be...
  14. CRISPR-based Genome Editing Systems For Editing in E. coli

    Type
    Blog Post
    ...at 37 °C.     The new pEcCas/pEcgRNA system We speculated that the gRNA on pCas that is specific to the...system with the updated pEcCas/pEcgRNA system, and confirmed that indeed the gRNA-pMB1 had a slightly higher...changes. In pCas9, we 1) replaced the promoter of gRNA-pMB1 with PrhaB, 2) changed the replicon of pCas...mechanisms behind their distinct phenotypes and to design a new generation of engineered cells for green ...process begins with the addition of the sgRNA sequence in pEcgRNA. Next both plasmids are transformed in...generate pEcgRNA. The ccdB serves as a counterselection marker and will be replaced by the sgRNA targeting...the newly generated pEcCas/pEcgRNA system.   Advantages of the pEcCas/pEcgRNA system Compared with the ...
  15. Overcoming the AAV Size Limitation for CRISPR Delivery

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    Blog Post
    ... packaging Streptococcus pyogenes (SpCas9) and a gRNA together (~4.2 kb) into an AAV vector is challenging...Zhang's group previously packaged Cas9 and multiple gRNAs into separate AAV vectors, increasing overall packaging...regulatory sequences while still fitting Cas9 and its gRNAs into one AAV, Cas9 must be made smaller. Previous...from Streptococcus thermophilus and a rationally-designed truncated Cas9. Unfortunately, certain drawbacks... the Zhang lab created an all-in-one SaCas9 and sgRNA construct using the liver-specific serotype AAV8... a control AAV-GFP. Not only did the AAV-SaCas9-sgRNA constructs mediate genome modification, but they...
  16. Adeno-associated Viruses (AAVs) for Genome Editing

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    Blog Post
    ...human cells (Kim et al, 2016). The Waldman lab has designed their AAV tagging vectors (pAAV-SEPT-Acceptor ...vectors for your specific gene, the lab recommends designing homology arms with the modification of interest...use a dual vector system composed of SaCas9 and a gRNA in one AAV and a repair template in second a second...small Cas9 homologs like SaCas9 and their requisite gRNAs take up essentially all of an AAV’s ~4.5 kB packaging...
  17. Plasmids 101: Knockout/Knock-In Plasmids

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    Blog Post
    ...replacing it or disrupting it with an piece of DNA designed in the lab. Specially constructed plasmids can...interest is difficult to target specifically with a gRNA). Be sure to keep these techniques in mind when ...locus with homologous sequence using a specially designed vector that contains sequence homology to the ... the process, we’ll walk through an experiment designed to knock out exon 2 of a given gene.   ... Figure 1: A knockout targeting vector designed to insert a resistance gene. The vector contains a neomycin... to select against random recombinants.   Design your targeting construct. For recombination to ... Figure 2: A knockout targeting vector designed to insert and later remove a resistance gene. ...
  18. Plasmids 101: Modular Cloning

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    Blog Post
    ...many gRNAs delivered with a relevant Cas nuclease. MoClo can be used to assemble multiplexed gRNA systems...cloning, or MoClo, is a systematic cloning strategy designed by synthetic biologists to perform large scale...
  19. Validated gRNA Sequences

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    Collection
    ...Guide CRISPR Protocols gRNA Design Tools CRISPR Blog Posts The table below lists gRNA sequences that have...pyogenes, S. aureus etc.) was this gRNA sequence designed for? A given gRNA sequence may only be compatible...indicate the Cas9 application the gRNA was designed to accomplish. Validated gRNA Sequence Datatable Target Gene... Genome Engineering CRISPR Validated gRNA Sequence Datatable Validated gRNA Target...Does a given gRNA sequence exactly match your genomic target? Variation between a given gRNA sequence and...details and outcomes. Submit Validated gRNA Sequences Validated gRNA sequences can be added to this table...validated gRNA sequences. Genome...
Showing: 101 - 120 of 175 results