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We narrowed to 274 results for: crispr cas9 plasmids

Showing: 21 - 40 of 274 results

  1. What's New in CRISPR - September 2019

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    Blog Post
    ...Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...the new CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid...CasX Drug inducible CRISPR/Cas9 activation E. coli genome-wide inhibition library CRISPR knockout libraries...inducible CRISPR/Cas9 systems for transcriptional activation and genome editing by fusing Cas9 to a mutated...metastasis CRISPR screen. The Chen Mouse Tumor Suppressor Gene CRISPR Knockout Library is an AAV CRISPR knockout...blog Download the CRISPR 101 eBook Find our CRISPR 101 blog posts Read our CRISPR cheat sheet Resources...vectors GeneWeld from Jeffrey Essner’s lab uses CRISPR/Cas9 and a donor vector to create knock-ins of fluorescent...

  2. What's New in CRISPR - December 2019

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    Blog Post
    ...Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...the new CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid...blog Download the CRISPR 101 eBook Find our CRISPR 101 blog posts Read our CRISPR cheat sheet Resources...more new CRISPR tools for your research! This time: CRISPRi in Burkholderia Base editors CRISPR toolkit...Read the paper in bioRxiv Find Target-ACE   CRISPR/Cas9-based toolkit for epitope tagging in neurons ...capsid-based bionanoparticle Transient expression of CRISPR/Cas9 in cells has advantages like reduced off-target... the paper in Science Find RESCUE plasmids If you have a new CRISPR tool you’ve recently deposited to...

  3. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

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    Blog Post
    ... Visit our CRISPR plasmids and resources page Read our CRISPR guide Find CRISPR plasmids for mammalian.... Recent alternatives to Cas9 While Cas9 remains the most widely used CRISPR nuclease, recent work has...frequently used Cas9, spCas9 from Streptococcus pyogenes, this sequence is 3’-NGG. But Cas9s found in other...accessible by Cas9. Our previous blog post The PAM Requirement and Expanding CRISPR Beyond SpCas9 described...published a blog post titled: Which Cas9 Do I Choose for My CRISPR Experiment? The three years flew by...assessment of the off-target activity of Cas9. This can occur when Cas9 cleaves a site that is not a perfect...the PAM specificity of Cas9s isolated from different organisms and engineered Cas9 variants that were able...

  4. What's New in CRISPR - May 2019

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    Blog Post
    ...Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...the new CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid...in Communications Biology Find the Cas9-PCV and PCV-Cas9 plasmids Selective curbing of unwanted RNA ...blog Download the CRISPR 101 eBook Find our CRISPR 101 blog posts Read our CRISPR cheat sheet Resources... in mSphere Find the dCas9 and dCas9-Mxi1 plasmids If you have a new CRISPR tool you’ve recently deposited...Covalent tethering of DNA template to Cas9 SECURE base editors Nme2Cas9 CRISPR interference in Candida albicans...Find the Nme2Cas9 All-in-One AAV constructs CRISPR interference in Candida albicans A new CRISPR interference...

  5. Lentiviral CRISPR Libraries Enable Genome-Scale, Knockout Screening

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    Blog Post
    ... more about CRISPRs: Using CRISPR/Cas to Edit Disease Out of the Genome History of CRISPR Cas - A tale...It’s clear that CRISPR-Cas9 technology has really changed the game for anyone looking to quickly and ... smaller size of the plasmids. The Zhang lab, on the other hand, uses a 1 plasmid, single infection system...system. Genome wide mouse CRISPR library The Yusa lab has leveraged the CRISPR system to target all 19,...demonstrated application offer proof-of-principle that CRISPR-Cas9 can be used to target any sequence in the genome...Genetic Screens in Human Cells Using the CRISPR/Cas9 System. Wang T, Wei JJ, Sabatini DM, Lander ES. Science...Science. 2013 Dec 12. (PubMed). Genome-Scale CRISPR-Cas9 Knockout Screening in Human Cells. Shalem O, Sanjana...

  6. Even more elegant: Single injection CRISPR/Cas9 in C. elegans

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    Blog Post
    ...PubMed. Find plasmids from this publication at Addgene. Other strategies for CRISPR/Cas9 editing in C...of 2013, a remarkable nine papers describing CRISPR/Cas9 genome engineering methods for C. elegans were...approach Multiple features of C. elegans have made CRISPR/Cas9 so successful in this species, namely, the robust...to create a new and efficient selection-based CRISPR/Cas9 method to generate knock-ins on any genetic background...template plasmid to create fluorescent and 3xFLAG-tag fusion proteins. The repair template and Cas9-sgRNA...other species or in cell culture. In addition to CRISPR/Cas9 applications, SEC selection could replace other...system represents another leap forward for the CRISPR/Cas9 revolution!   References Streamlined Genome ...

  7. Overcoming the AAV Size Limitation for CRISPR Delivery

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    Blog Post
    ... Learn more about Cas9 Variants and the Expanded CRISPR Toolbox Read about CRISPR enzyme Cpf1 Read our....org Check out our CRISPR Guide Find CRISPR Plasmids ...one AAV, Cas9 must be made smaller. Previous attempts to “shrink” Cas9 include the use of St1Cas9 (~3.3 ...toxicity. More AAV-based CRISPR systems Smaller Cas proteins SaCas9 isn't the only CRISPR enzyme that’s small...amino acids in length, Cas9 from Campylobacter jejuni (CjCas9) is the smallest Cas9 ortholog characterized...vehicle for Cas9. However, to allow for more room for regulatory sequences while still fitting Cas9 and its...equally potent Cas9 protein, the Zhang lab took a different approach. They analyzed over 600 Cas9 orthologs...

  8. Generating Mouse Models Using CRISPR/Cas9

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    Blog Post
    ...Addgene.org Find CRISPR Plasmids for use in Mammals Check out Our CRISPR Guide Pages Find Plasmids for Mouse ... guest bloggers, Wenning Qin and Haoyi Wang. CRISPR/Cas9 is revolutionizing the mouse gene-targeting field...than ever to manipulate the mouse genome using CRISPR/Cas9. Similar to the human genome, the mouse genome...Crossing Mice. My first CRISPR mouse experiment Everything changed with the advent of CRISPR in 2013 (Cong et...robust in performance. In its natural setting, CRISPR-Cas9 is an acquired immune system in bacteria and ...widely used CRISPR genome editing system derived from Streptococcus pyogenes. An alternative Cas9, from Streptococcus...oligonucleotide or plasmid as the repair material if needed (for knock in models). CRISPR mouse model basics...

  9. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

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    Blog Post
    ...much more realistic with the advent of CRISPR. Using CRISPR/Cas9 SAM to "shock and kill" To “shock and...HIV-1 out of the genome with CRISPR/Cas9 Before the introduction of CRISPR, HIV-1 genome editing with ...updated CRISPR Guide! Find CRISPR Plasmids for Your Research Browse gRNA Design Tools  ... wild-type Cas9 to remove the HIV-1 genome from infected cells. Read on to learn how CRISPR can take on...targeted approach, Zhang et al. turned to the CRISPR/Cas9 Synergistic Activation Mediators (SAM) system... as a latent microglial line, treatment with CRISPR/Cas9 SAM increased the percentage of cells with activated...lines that can produce HIV-1 toxic proteins, CRISPR/Cas9 SAM caused apoptosis, indicating a true “shock...

  10. Comparing Cas9 to NgAgo: Can the Argonautes Best CRISPR?

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    Blog Post
    ...compared to Cas9. These include: More targeting flexibility Unlike Cas9 and the other CRISPR enzymes, NgAgo... reasons why you might choose NgAgo over CRISPR proteins Cas9 or Cpf1 - keep reading to learn more! Background...lines, with an efficiency similar to that of Cas9. Like Cas9, NgAgo is also able to mediate homology-directed...template is supplied. Find Plasmids from the NgAgo Publication at Addgene Cas9 and NgAgo head to head NgAgo...removal RNA-guided CRISPR enzymes cause double-stranded breaks, with either blunt (Cas9) or staggered (Cpf1...the Addgene Blog Read About Cas9 Homolog Cpf1 Check Out High Fidelty Cas9 Mutants Browse All Genome Engineering...Lab Browse the CRISPR Collection Find CRISPR Pooled Libraries  ...

  11. Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells

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    Blog Post
    ....org Check out our comprehensive CRISPR guide Find CRISPR plasmids and resources Learn about viral production...releasing Cas9. Nanoblades can also deliver Cas9 variants, such as a transcriptional activator dCas9-VPR, ...ability to infiltrate cells. Options for CRISPR delivery include plasmid transfection, RNP electroporation, ...Nanoblades by association with the the Cas9 portion of the Gag-Cas9 fusion protein. A single Nanoblade particle...Nanoblades to Existing CRISPR Delivery Methods When compared head-to-head with existing CRISPR delivery technologies...compared to DNA transfection of gRNA and Cas9 expression plasmids. These results are in line with previous...along with the gRNA and Cas9. An “all-in-one” Nanoblades which carries a gRNA, Cas9, and a HDR donor template...

  12. CRISPR 101: Targeting RNA with Cas13a (C2c2)

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    Blog Post
    ...Abudayyeh et al., 2016). In the endogenous CRISPR/Cas9 system, Cas9 uses both a tracrRNA and crRNA to facilitate...Browse All CRISPR Plasmids Find Validated gRNAs for Your Next Experiment Check Out Our CRISPR Guide Pages...updated on Jul 27, 2020. CRISPR, and specifically Cas9 from S. pyogenes (SpCas9), is truly an exceptional...most commonly used CRISPR enzymes - Cas13a contains two HEPN domains, whereas Cas9 uses HNH and RuvC domains...Common CRISPR Enzymes Name  Enzymatic Domains Guide RNA Target PAM (PFS) Cleavage Mechanism Cas9 HNH...diversity to the CRISPR toolbox and will continue to expand the applications of CRISPR. Since this post... a splash in the CRISPR field. We feel that the culture of sharing within the CRISPR community is an essential...

  13. Introducing an All-in-One CRISPR/Cas9 Vector System for Multiplex Genome Engineering

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    Blog Post
    ... They went on to show that their CRISPR/Cas9-nuclease and CRISPR/Cas9-nickase vectors work successfully...gRNA for CRISPR Genome Editing CRISPR-Cas9: Tips for Optimizing sgRNA Activity Lentiviral CRISPR Libraries...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...

  14. Progress Towards a PAM-Free CRISPR

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    ...Expanding Beyond Cas9 xCas9: Engineering a CRISPR Variant with PAM Flexibility History of CRISPR Cas – A Tale...engineered CRISPR-Cas9 variants. Science 368,290-296(2020). DOI:10.1126/science.aba8853 (Plasmids available...  Resources on Addgene.org Addgene’s CRISPR Guide CRISPR Plasmids and Resources Resources on the Addgene...several Cas9s that recognize NG PAMs. The Nureki lab generated SpCas9-NG, a rationally engineered Cas9 with...PAM-interacting domain of Cas9. After multiple rounds of engineering, they developed the SpRY Cas9 variant (Walton... at NGH PAMs (Zhang et al, 2021) NG Cas9 NG - SpG Cas9  NG  - SpRY nuclease  C to T Base Editor...engineered chimeric Cas9. Nat Commun 14, 6175 (2023). DOI:10.1038/s41467-023-41829-y (Plasmids available here...

  15. Optimizing Donor DNA for Enhanced CRISPR Genome Editing

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    Blog Post
    ...Postdoctoral Researcher in Jacob Corn’s lab. CRISPR-Cas9 (Cas9) is an RNA-guided nuclease that targets and...Background with Our CRISPR Guide Find CRISPR Plasmids for Your Research Check out Our List of gRNA Design Tools...replacement by HDR. Understanding Cas9 biophysics enhances HDR We first measured Cas9 dissociation rates and discovered...editing by catalytically active and inactive CRISPR-Cas9 using asymmetric donor DNA." Nature biotechnology...human genome engineering by controlled timing of CRISPR/Cas9 delivery." Elife 3 (2015): e04766. PubMed PMID...the Ideal CRISPR Software for Your Needs Resources on Addgene.org Catch up on Your CRISPR Background...interaction with the Cas9-DNA duplex. Image from Richardson et al., 2016.   dCas9 enables sequence replacement...

  16. Plasmids for Endogenous Gene Tagging in Human Cells

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    Blog Post
    ... areas of the plasmid to prevent the plasmid from being cut and destroyed by CRISPR/Cas9 during transfection...components of CRISPR/Cas9 (Cas9 protein and the crRNA-tracrRNA complex) and the donor plasmid into the cells...many labs. We’ve created and tested plasmids that use CRISPR/Cas9 to endogenously tag a wide variety of...Designing the donor plasmid Figure 2: Donor plasmid design strategy. A donor plasmid contains 1 kb homology... Browse CRISPR Tagging Plasmids Browse the Fluorescent Protein Collection Check out the CRISPR Guide Pages...regulatory control. But even with the advent of CRISPR/Cas9 technology, inserting large tags into a precise...HDR) process following the double strand break CRISPR/Cas9 makes at the target site. The whole segment—a...

  17. Tips for CRISPR Gene Editing in Mice

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    Blog Post
    ...several variants of the CRISPR/Cas9 system floating around, and many pre-designed plasmids containing these ... target plasmid and pX330-sgRNA plasmid (Mashiko et al. 2013). The pCAG-EGxxFP target plasmid contains...pCAG-EGXXFP plasmid along with the individual gRNAs in their PX330 plasmids (or similar plasmids for gRNA...modification in vivo. Find Plasmids for Testing Your gRNAs in vitro at Addgene CRISPR/Cas9 gene editing in mice... encoding Cas9 into the oocyte. This original method was developed as the use of CRISPR/Cas9 in mammalian...Design You gRNA Find CRISPR Plasmids for Use in Mammalian Cells Check out All of Our CRISPR Resources  ... by guest blogger Samantha Young. The use of CRISPR/Cas9 for gene editing has expanded since its adaptation...

  18. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

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    Blog Post
    ...combining specific sgRNAs with Cas9 or Cas9 derivatives. Unmodified Cas9 causes double stranded DNA breaks...genome-wide screening using CRISPR Resources on Addgene.org Find CRISPR plasmids and resources here Find...generation libraries for genome-wide CRISPRa, CRISPRi, and CRISPR-Cas9 knockout genetic screens." bioRxiv...outperformed another CRISPR library with 6 sgRNAS, highlighting the benefit of sgRNA design in CRISPR libraries....vemurafenib resistance in A375 cells. The SAM system (CRISPR/Cas9 Synergistic Activation Mediator) uses an improved..."Rational design of highly active sgRNAs for CRISPR-Cas9–mediated gene inactivation." Nature biotechnology... activity and minimize off-target effects of CRISPR-Cas9." Nature biotechnology 34.2 (2016): 184. PubMed...

  19. Back to Bacteria: CRISPR gRNA Multiplexing Using tRNAs

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    Blog Post
    ...In the short time since its development, CRISPR/Cas9 genome editing has been used to study the effect...recombination. To further increase the utility of CRISPR/Cas9, it will be necessary to improve its multiplexing...standard pol III-gRNA, which will facilitate CRISPR/Cas9 multiplexing in systems with limited packaging...afforded by PTGs will improve the utility of CRISPR/Cas9 in new avenues of research. The use of multiple...polycistronic gene organization, and its translation to CRISPR/Cas9 shows great potential for multiplexed genome ...Interested in using PTG plasmids in your research? Check out the PTG plasmids or plant expression systems...in the comments below.  References Boosting CRISPR/Cas9 multiplex editing capability with the endogenous...

  20. Some Like it Hot: Thermostable GeoCas9

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    Blog Post
    ...Read about CRISPR Methods for Bacterial Genome Engineering   Interested in using CRISPR/Cas9 RNPs? Check...Addgene’s CRISPR Guide Page Find CRISPR plasmids at Addgene ...discovery of GeoCas9 by the Doudna lab has opened up the field of thermophilic bacteria to CRISPR/Cas9 genome...human plasma. The discovery of GeoCas9 clears the way for CRISPR/Cas9 genome editing in facultative and...want to give GeoCas9 a try, as always, the plasmids are available from Addgene. Happy CRISPRing! References...Other Blog Posts on CRISPR Additional Resources on Addgene.org Brush Up on Your CRISPR Background with ... 1. Comparing SpCas9 and GeoCas9. *For in vitro Cas9 RNP activity or longevity. GeoCas9 is active at high...
Showing: 21 - 40 of 274 results