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Showing: 81 - 100 of 167 results
  1. Your Top Requested Plasmid in 2015!

    Type
    Blog Post
    Published
    Dec. 30, 2015, 3:30 p.m.
    ...transfer vector used to deliver both Cas9 and your gRNA of interest to mammalian cells. It was designed ...use lentiCRISPR v2 as the backbone for their many gRNAs. The high titer lentivirus production afforded by...pooled libraries containing thousands of pre-cloned gRNAs. DNA aliquots of the GeCKO v2 pooled libraries targeting...Screening Using CRISPR/Cas9. If you need help cloning a gRNA into lentiCRISPR v2, you can take a look at the ...
  2. What's New in CRISPR - September 2019

    Type
    Blog Post
    Published
    Sept. 10, 2019, 12:56 p.m.
    ...targeting requires two sgRNAS: one that targets the knock-in site and a universal sgRNA that targets the donor... the genomic loci of interest. As the universal sgRNA is not predicted to target sites in the human, pig...lab. The Bikard library contains ~93,000 unique gRNAs that target random positions along the E. coli MG1655...
  3. Mapping the 4D nucleome with CRISPR/Cas9

    Type
    Blog Post
    Published
    Aug. 11, 2015, 2:30 p.m.
    ...adapted to fluorescently label a sequence matching its gRNA, facilitating the live study of chromatin dynamics...in the PAM sequences required by each ortholog, a gRNA designed for one dCas9 should be specific to that...orthologs. Ma et al. tested their dCas9 variants using gRNAs specific for telomeric sequences and showed that... label two different pairs of chromosomes using gRNAs specific to sequences on chromosomes 9 and 13. They...
  4. Lentiviral CRISPR Libraries Enable Genome-Scale, Knockout Screening

    Type
    Blog Post
    Published
    Feb. 20, 2014, 4:57 p.m.
    ...protein coding regions with 87,897 unique gRNAs. Their gRNA library is delivered via lentiviral infection...Sabatini and Eric Lander, comprise 73,171 guide RNAs (gRNAs) covering a total of 7,114 human genes. Unlike the...sequential infection first of Cas9, then with the sgRNAs, and can result in a higher titer due to the smaller...
  5. New CRISPR Web Resources and #12DaysofCRISPR Recap

    Type
    Blog Post
    Published
    Dec. 12, 2017, 3:13 p.m.
    ...- see our recap below! Day 1: gRNA design tools: How to Design your gRNA for CRISPR Genome Editing and...Cas9 variants: CRISPR 101: Multiplex Expression of gRNAs and The PAM Requirement and Expanding CRISPR Beyond...HypaCas9 Day 10: Transcriptional regulation: Truncated gRNAs for Regulating Gene Expression and CRISPR 101: Epigenetics...
  6. Hot Plasmids and Viral Preps - September 2021

    Type
    Blog Post
    Published
    Sept. 21, 2021, 1:15 p.m.
    ...Veening is now available with one sgRNA per operon or gene. The sgRNA pool can also target core operons... cell lines. The Turner Lab Human messenger-RBP sgRNA Library targets human mRNA binding proteins with...operons in other pneumococcal strains. The BARBEKO sgRNA library uses CRISPR cytosine base editors to disrupt...
  7. Optimizing Donor DNA for Enhanced CRISPR Genome Editing

    Type
    Blog Post
    Published
    March 24, 2016, 2:30 p.m.
    ...research with a simple question: how do Cas9 and sgRNA interact with and dissociate from a DNA target? ..., requiring expressed Cas9 protein, transcribed sgRNA, and optional donor DNA. Chris Richardson is a...Brush Up on Your HDR Basics Learn How to Design Your gRNA Find the Ideal CRISPR Software for Your Needs Resources...Plasmids for Your Research Check out Our List of gRNA Design Tools ...
  8. CasPEDIA: A Functional Classification of Cas Enzymes

    Type
    Blog Post
    Published
    Jan. 25, 2024, 2:15 p.m.
    ...properties (CasID): Cis/trans activity, PAM requirement, gRNA, and multiplex ability Experimental guidelines ...Target requirements As we all know, a Cas guided by a gRNA is useless without an adjacent PAM or protospacer-flanking...etc.) as well as their orientation relative to the gRNA (5’ or 3’). In some cases, there is no requirement... your search (trans activity, multiplex ability, gRNA design, etc.). With this feature, you can compare...
  9. xCas9: Engineering a CRISPR Variant with PAM Flexibility

    Type
    Blog Post
    Published
    March 28, 2018, 6:52 p.m.
    ... PAM near your insertion site, the corresponding gRNA might be undesirable due to potential off-target...activity. Surprisingly, off-target effects across 5 gRNAs with NGG PAM sequences were actually lower for xCas9...3.6/3.7 than for SpCas9. For some non-promiscuous gRNAs, xCas9 3.7 displayed more than a 100 fold decrease...decrease in off-target editing; for known promiscuous gRNAs, xCas9 3.7 still showed a 4.2-9.4-fold improvement...
  10. Uncovering Ancestral Bias in CRISPR Research

    Type
    Blog Post
    Published
    Nov. 29, 2022, 2:15 p.m.
    ...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....
  11. 15 Hot Plasmids from 2017

    Type
    Blog Post
    Published
    Jan. 9, 2018, 3:02 p.m.
    ...subsequently tested the original BE3 and HF-BE3 using a gRNA with high off-target cutting, and they found that... a single, unique, and constitutively expressed sgRNA targeting the 5’ end of each essential gene. Koo... constructs (wild-type and truncation mutants), gRNAs used for TZAP gene editing, and a Hi6xs-MBP tagged...as Cys4, tRNA, and ribozyme systems for multiplex gRNA expression. Expression of toolkit components can...compatible backbones that can be combined with your gRNA and repair templates of choice though modular cloning...
  12. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

    Type
    Blog Post
    Published
    Sept. 1, 2020, 1:15 p.m.
    ... 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 ...A in any of the reading frames downstream of the gRNA target site so that transcripts undergo nonstop ...
  13. Optogenetics + CRISPR, Using Light to Control Genome Editing

    Type
    Blog Post
    Published
    Sept. 3, 2020, 12:15 p.m.
    ...target DNA sequence as directed by the guide RNA (gRNA), while the CRY2PHR-activator fusion floats freely...occurs. Bubeck et al. expressed a telomere-targeting gRNA and a dCas9 fusion protein with three red fluorescent...Photocleavable ssDNA oligonucleotides Cas9, photocaged-gRNA Gene editing Manna et al., 2019   NPPOC-caged ..., 2020   NPOM-caged nucleobases Cas9, photocaged-gRNA Gene editing For more details, check out this...
  14. Rewiring Metabolic Circuitry with CRISPR RNA Scaffolds [Video]

    Type
    Blog Post
    Published
    April 7, 2015, 4:21 p.m.
    ...activity coupled with a customizable single guide RNA (sgRNA) that bears complementarity to a 20bp target sequence...multidirectional control, a new study repurposes the sgRNA to include modular synthetic RNA scaffolds that ...modules are comparatively small allowing multiple sgRNA constructs to be introduced simultaneously in a ...
  15. Plasmids 101: NGS Quality Control for Pooled Libraries

    Type
    Blog Post
    Published
    Oct. 26, 2017, 1:59 p.m.
    ...re-amplified our distribution stock of the Brunello Human gRNA library, and we thought it would be a good time ... the plasmids are all very similar sizes, like a gRNA library, this is less of a concern, but Addgene ...confirmed using next-generation sequencing (NGS). For gRNA libraries, you’ll design primers to create 200-300...
  16. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

    Type
    Blog Post
    Published
    Nov. 5, 2019, 1:28 p.m.
    ...site that is not a perfect match to the guide RNA (gRNA) used to target the genomic locus of interest. As...of Sniper-Cas9 to different Cas9 variants using gRNAs of different lengths (Lee et al., 2018) and found...and sensitivity across a large number of loci and gRNA lengths. Recent alternatives to Cas9 While Cas9 ...
  17. Plasmids 101: Screening Strategies Used in Plasmid Cloning

    Type
    Blog Post
    Published
    Sept. 15, 2020, 1:15 p.m.
    ... a look at All_in_one_CRISPR/Cas9_LacZ, a CRISPR gRNA plasmid from Lynne Postovit’s lab. It contains an...it won’t tell you whether the vector contains the gRNA insert or not. A blue-white screen, however, can...and distinguish between plasmids that contain the gRNA (white) from those that do not (blue). Let’s take...
  18. Mobile-CRISPRi: Bringing CRISPRi to Diverse Bacteria

    Type
    Blog Post
    Published
    April 4, 2019, 12:53 p.m.
    ...treated with a folA gRNA were more sensitive to trimethoprim when compared to control gRNA treated or untreated...promoters, antibiotic resistance selection markers, gRNAs, and dCas9 proteins. Second, it can be introduced...
  19. Hot Plasmids February 2024

    Type
    Blog Post
    Published
    Feb. 20, 2024, 2:45 p.m.
    ...endosomal escape. Combining Cas9-PAGE with lentiviral sgRNA expression yielded editing of 80–90% in human cell...limited (likely due to its long, negatively charged sgRNA), RNP delivery was much better with Cas12, which...Workflow to assess Cas9-PAGE editing with viral sgRNA targeting mCherry reporter (mChe), with co-incubation...
  20. Hot Plasmids - October 2020

    Type
    Blog Post
    Published
    Oct. 13, 2020, 1:15 p.m.
    ... Cas9-Cas12a gRNAs under a single U6 promoter. The paralog and dual-targeting hybrid gRNA library can ...interactions between paralogs. The exon-deletion hybrid gRNA library deletes human alternative cassette exons...
Showing: 81 - 100 of 167 results