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  1. New Podcast Segment: Hot Plasmids

    Type
    Blog Post
    Published
    May 17, 2017, 3:37 p.m.
    ...comments section below. Hot plasmids covered in this segment Hot Plasmid 1: CRISPR X from Michael Bassik's...protocols, and, of course, plasmids. Today we’re trying a new way to present plasmid info with a new segment...The Hot Plasmids Segment. Click on the player below to listen to a quick (~5 min) Hot Plasmids podcast... new plasmid technologies from one of our recent newsletters. Listen to the entire Hot Plasmids episode...greatest plasmids through this podcast segment. Below, we break down each of the Hot Plasmids segments...articles on the Hot Plasmid webpage. We hope you enjoy this new way to learn about plasmid technologies. If...comments about the Hot Plasmids Podcast Segment, or have recommendations for new Hot Plasmids topics, let us ...
  2. Addgene at the ASM Microbe 2016 Conference

    Type
    Blog Post
    Published
    July 7, 2016, 2:30 p.m.
    ...steps into this field, we’ve curated microbiology plasmids from the repository onto one handy Microbiology... of researchers who weren’t aware of Addgene’s plasmid sharing services, as well as #happydepositors who...these new Rainbow Bacterial Fluorescence Labeling Plasmids from the Barbier lab). Bright and early on Saturday...morning, John Doench’s opening presentation at the CRISPR screens symposia outlined the fantastic work this... Institute lab is doing creating well-optimized CRISPR screening technology. Addgene got several shout-outs..., it looks like there are plenty more exciting plasmid tools on the horizon for microbiology research ... distribution service! Did you see a must-have plasmid during ASM? Let us know what’s missing in the collection...
  3. The AAVantages of AAV in CRISPR Screens

    Type
    Blog Post
    Published
    Feb. 4, 2025, 2:15 p.m.
    ...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...resources at addgene.org CRISPR pooled libraries Guide to pooled libraries CRISPR guide AAV guide ... interference, activation, and knockout. Most CRISPR screens rely on lentiviral systems, a fact supported...supported by the wide array of lentiviral-based CRISPR libraries available at Addgene. The large packaging... AAVantageous!       In vivo, in vitro, ex vivo CRISPR screens can be carried out using a few different... process of these screens is the same: Deliver CRISPR library to cells of interest. Select for cells ...
  4. Reaching out to China: Canton Nucleic Acids Forum (CNAF) 2015

    Type
    Blog Post
    Published
    Dec. 1, 2015, 3:30 p.m.
    ...experience helping scientists share plasmids, especially those of the CRISPR variety (see slides from my talk...complete without CRISPR Michael Terns from of the University of Georgia studies the CRISPR/Cas system as ...is in one of the top 10 countries in number of plasmid requests from Addgene. Addgene - Canton Nucleic...introduction to the repeated and distinct aspects of the CRISPR regions of the prokaryotic genome. Then he desribed...from Tel Aviv University then spoke about using CRISPR/cas to address the growing clinical problem of ...Qimron proposes using bacterial phage vectors with CRISPR/cas9 sensitizing gene cassettes. Thse vectors are...sanitizers.  There are many clever ways labs are using CRISPR/cas9 and more are being reported. Zhou Songyang...
  5. Giving gRNAs a Facelift - Synthetic and Beyond

    Type
    Blog Post
    Published
    Oct. 20, 2022, 1:15 p.m.
    ...Addgene's CRISPR resources Request ready-to-use viral preps of select CRISPR lentiviral plasmids Additional...design your CRISPR gRNA CRISPR 101: Ribonucleoprotein (RNP) Delivery Components of CRISPR/Cas9 ...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...modifications listed above were developed before CRISPR-Cas9, for use in applications like siRNA and antisense...to find pre-tested gRNA sequences for your next CRISPR experiment.    Chemical RNA modifications... On-off switches for gRNAs A major drawback of CRISPR-Cas9 technology is that most expression systems...
  6. Analyzing CRISPR Editing Results with ICE from Synthego

    Type
    Blog Post
    Published
    May 8, 2018, 1 p.m.
    ... Check out our CRISPR guide Find CRISPR plasmids for your research Find other CRISPR software resources... Guide for Analyzing CRISPR Editing Results with ICE on Synthego’s blog. CRISPR-based genome engineering...Inference of CRISPR Edits) to solve this problem. This tool was initially created to support the CRISPR analysis...successful CRISPR experiments. Jessica is a sci-fi enthusiast, and when she is not guiding CRISPR researchers...Addgene Blog Browse our CRISPR featured topic page xCas9: Engineering a CRISPR Variant with Pam Flexibility...methods. Still, generating reliable results from CRISPR edit data requires the help of robust software ...to produce quantitative, NGS-quality analysis of CRISPR editing - enabling a ~100-fold reduction in cost...
  7. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

    Type
    Blog Post
    Published
    Nov. 3, 2015, 3:30 p.m.
    ...Read Our CRISPR Guide to Catch up on All the CRISPR Basics Read Other Blog Posts about CRISPR Find validated...in the first place? How CRISPR innovation affected software development CRISPR, like the miRNA bubble ... think we are currently at in the CRISPR software space. The CRISPR research community hasn't had a chance...consensus on the best CRISPR software tools yet. As a genome editing tool, the CRISPR/Cas9 technology has...pool of CRISPR software embodies solutions that facilitate most experimental applications in CRISPR engineering...type of CRISPR experiment being pursued. You should also look at the glossary section of the CRISPR Software...blogger Cameron MacPherson at the Institut Pasteur CRISPR software and the piñata effect Two years ago I ...
  8. Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods

    Type
    Blog Post
    Published
    March 1, 2016, 3:30 p.m.
    ...mixing and matching of parts. Gibson assembly meets CRISPR Gibson can be adapted to more complicated cloning...use of Gibson assembly combined with the popular CRISPR technology and is described in a recent publication...second example of using Gibson Assembly along with CRISPR was also described recently (Jiang et al. 2015)...chromosome (up to 100 kb) were specifically cut out via CRISPR and then assembled into a vector using Gibson assembly...homology with the bacterial chromosome fragments. CRISPR cutting was used to circumvent the need to PCR ...Ligation Independent Cloning (SLIC) in a previous Plasmids 101 post. Although SLIC may be more cost effective...Wang A, Li K, Wang B, Jin S, Reiser M, Lockey RF. CRISPR/Cas9 nuclease cleavage combined with Gibson assembly...
  9. A History of Genome Engineering in Popular Culture

    Type
    Blog Post
    Published
    Feb. 25, 2020, 2:15 p.m.
    ...Addgene.org Visit our CRISPR guide Find CRISPR plasmids for your research Browse plasmids for base editing ... the ZFNs.   Genetic Engineering Era: Post CRISPR  CRISPR The strategy of using a protein to recognize... Find more blog posts about CRISPR Learn more about the history of CRISPR Read about other genome editing...during this period.  Genetic Engineering Era: Pre-CRISPR  Having visualized and understood the DNA, the ...breakthrough in the world of genetic engineering as CRISPR-Cas editing soon replaced the protein-based DNA-binding... gene editors (meganucleases, ZFNs, TALENs, and CRISPR-Cas) is that they induce double-strand breaks (...variations in the genome.    Due to the rise of CRISPR in genetic engineering and open advertisement of...
  10. New CRISPR Tools: Cas7-11 and PASTE

    Type
    Blog Post
    Published
    Feb. 17, 2022, 2 p.m.
    ... and Flexibility to CRISPR Engineering CRISPR 101: RNA Editing With Cas13  CRISPR Cheat Sheet Resources...RNA or DNA via a CRISPR mechanism. The weird black pellet's DNA yielded a new CRISPR effector protein ...has dual activities: processing pre-CRISPR RNA into mature CRISPR RNA and cleaving RNA at positions defined...DNA with CRISPR-driven precision into a genome, can be considered the fourth generation of CRISPR, one which... part of any revolutionary discovery, including CRISPR, is turning potential into impact. In molecular...been working on two tools that expand and exploit CRISPR, both of which we're featuring in today's blog....their quest to find, characterize, and develop new CRISPR systems and technologies, the AbuGoot lab often...
  11. PiggyBac-ing Through the Genome Editing Field

    Type
    Blog Post
    Published
    May 31, 2016, 3:30 p.m.
    ...the ability to distribute plasmids with the piggyBac™ transposon. These plasmids, when combined with a source...donor plasmid carrying the DNA edit of interest, along with a site-specific nuclease (such as CRISPR/Cas9...piggyBac™ Transposon Catch up on Everything CRISPR with Our CRISPR Guide Deposit Your piggyBac™ Vectors! ...useful resource. While Addgene cannot distribute plasmids with the piggyBac™ transposase itself, please ...genome fully intact, while, with a standard DNA plasmid transfection, a double-stranded break may occur... to the development of site-specific nucleases (CRISPR/Cas9, TALENs, and ZFNs). However, several challenges...piggyBac™ transposon system can be combined with CRISPR/Cas9 to efficiently perform genetic manipulations...
  12. Addgene Depositors Get More Citations

    Type
    Blog Post
    Published
    April 20, 2017, 2:30 p.m.
    ...associated plasmids with Addgene. Since then, Addgene has filled over 6,500 requests for these plasmids. While...without plasmids at Addgene To find out whether scientific articles associated with Addgene plasmid deposits...those containing plasmids that the authors deposited with Addgene and those without plasmids deposited with...2,596 of which had plasmids deposited with Addgene. Articles with Addgene plasmids get more citations ...with plasmids deposited at Addgene – typically about four times as many as papers without plasmids deposited...Papers without Addgene Plasmids in Journal (E) Percent of Papers with Addgene Plasmids in Journal (F) Weight...Feng Zhang’s original 2013 gene editing paper on CRISPR/Cas amassed nearly 2,400 citations in its first...
  13. Controlling for Off-target Effects with a New Genome-wide CRISPR Screen Design

    Type
    Blog Post
    Published
    Sept. 13, 2018, 1:55 p.m.
    ...genome-wide CRISPR knockout screen to analyze the following unanswered questions about CRISPR screen design...genome-wide CRISPR/Cas9 screen design Are non-targeting guides an appropriate control? Many CRISPR screens...new approach to genome-wide CRISPR screen design.   Bassik lab’s CRISPR knockout libraries Overview...expected to be identified in a CRISPR knockout screen. Improving the Design of CRISPR Knockout Screens Before...conduct genome-wide screens with CRISPR/Cas9 Review the basics of CRISPR with this cheat sheet Read our ...Check out this guide to pooled plasmid libraries Find all of the CRISPR Pooled Libraries currently available...Genome-wide CRISPR/Cas9 screens are a high-throughput systematic approach for identifying genes involved...
  14. Behind-the-scenes of the Isolation of the Thermostable IgnaviCas9 From a Yellowstone Hot Spring

    Type
    Blog Post
    Published
    Nov. 12, 2019, 2 p.m.
    ....org Read our CRISPR guide Find CRISPR plasmids for your research Find links to CRISPR references ... also led to the discovery of IgnaviCas9, a new CRISPR enzyme from a sample from Mound Spring in Lower...throughput and rigorous assembly. There, they found a CRISPR array in the resulting Ignavibacteriae phylum genome... genome. IgnaviCas9 is a hyperthermostable Cas9 CRISPR nuclease that is active up to 100°C.  The IgnaviCas9...temperatures for long time periods and workflows where CRISPR nuclease activity is desired and time or protocol... Learn about other Cas proteins Read all of our CRISPR blog posts Read about GeoCas9, another thermostable...
  15. Five Popular Model Organisms, Part 2

    Type
    Blog Post
    Published
    Sept. 29, 2020, 1:15 p.m.
    ...post Read more about plasmids in our Plasmids 101 blog series Learn more about CRISPR and genome editing...box” for its common use in plasmid manipulation and genetics research. Plasmids are ideal tools for studying...vectors for use in the axolotl including plasmids for use in CRISPR and Tol2 transposase induced transgenesis...editing in our CRISPR 101 blog series Resources on Addgene.org: Browse our plasmid collection page Find more... more plasmids and resources for plant resources on Plant Plasmids Collection Page Read our molecular ... in gene modification tools and methods such as CRISPR have vastly improved scientists’ ability to use...disease models.  Check out Addgene’s collection of plasmids containing Rattus norvegicus genes! Mexican axolotl...
  16. Site Directed Mutagenesis by PCR

    Type
    Blog Post
    Published
    Aug. 2, 2016, 2:30 p.m.
    ...mutagenesis of Plasmids. A) Generation of mutagenized plasmids. PCR primers (green) amplify the plasmid template...Techniques Learn More about Plasmids in Our Plasmids 101 Series Use CRISPR to Generate Specific Genomic...occuring SNPs in a plasmid context). The technique is also highly relevant in this age of CRISPR; site-directed...with the nuclease-resistant nicked plasmid (the PCR product). Plasmids are isolated from the resulting colonies...the final circular plasmid product pictured here. B) Screening of recovered plasmids for the mutation of...Smaller plasmids (~3 kb) are generally more efficiently amplified than larger constructs, but plasmids as ...DpnI) to eliminate the parent plasmid from the PCR products, the plasmid template should be isolated from...
  17. Four Base Editing Reporters to Monitor and Enrich Editing in Real-time

    Type
    Blog Post
    Published
    July 7, 2020, 1:15 p.m.
    ...other CRISPR reporters Browse our CRISPR blog posts Resources on Addgene.org Browse the CRISPR guide...efficiency of plasmid delivery to a cell. In contrast, TREE provides a read out for plasmid delivery and...guide Find CRISPR plasmids for your research ...the genome, but they’re inefficient compared to CRISPR/Cas9 edits that rely on double strand DNA breaks...converted into BFP (blue fluorescent protein) upon CRISPR/Cas9 homology directed repair (HDR) (Glasser et...Conversion: A Versatile Assay for the Quantification of CRISPR/Cas9-mediated Genome Editing. Molecular Therapy...
  18. CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics

    Type
    Blog Post
    Published
    Aug. 9, 2016, 2:30 p.m.
    ...Addgene Blog Catch Up on Your CRISPR Background with CRISPR 101 Learn about CRISPR Delivery Methods Validate...Resources on Addgene.org Find CRISPR Plasmids for Your Research Check out Our CRISPR Guide Find Validated gRNAs...sites 2. Design a CRISPR screen to target and disrupt the NANOG enhancers 3. CRISPR out the enhancers ...design a CRISPR screen to disrupt these enhancers. The third and final step is to conduct our CRISPR screen...embryonic stem cells, and conclude with a targeted CRISPR screen that can disrupt these enhancers. A real-world...have more to say about clinical applications of CRISPR in the next section. In order to denote the NANOG... with Quilt. Seek and destroy enhancers with CRISPR Armed with the genome math expression for NANOG...
  19. 3 Tips to Improve HDR Efficiency for CRISPR Editing in Human Cells

    Type
    Blog Post
    Published
    Sept. 5, 2017, 1:58 p.m.
    ...Delivering CRISPR Ribonucleoproteins Resources on Addgene.org Browse All CRISPR Plasmids Check Out Our...Increasing HDR accuracy with CRISPR/Cas-blocking mutations After genome editing with CRISPR/Cas9 in human cells...Paquet, et al  2017). Find Additional CRISPR Resources on Addgene's CRISPR Guide Page 2. Optimizing "cut-to-mutation...s lab at the Rockefeller University in NYC. The CRISPR/Cas9 system is a versatile tool for precise gene... many organisms and model systems. We have used CRISPR/Cas9 extensively for the purpose of making sequence-specific...human induced pluripotent stem cells (iPSCs). The CRISPR/Cas9 com­plex is very efficient at introducing ...al, Mai et al) we were very excited to set up a CRISPR-based editing platform in our lab. Our goal was...
  20. CRISPR Activation: A Practical Guide

    Type
    Blog Post
    Published
    Aug. 18, 2016, 2:30 p.m.
    ..., Wang X (2015) WU-CRISPR: characteristics of functional guide RNAs for the CRISPR/Cas9 system. Genome... More about Genome-wide Screens with CRISPR/Cas9 Learn How CRISPR Has Been Used with AAV Resources on...Catch Up on Your CRISPR Background with Our CRISPR Guide Pages ... Two ways to use CRISPRa for your research CRISPRa for specific gene targets CRISPR activation for genes...Institute for Biologically Inspired Engineering. CRISPR/Cas9 is an enormously plastic tool and has taken...loci to create changes in phenotypes. For example, CRISPR activation has been used to differentiate induced...viral latency (Bialek et al., 2016). Additionally, CRISPR-based activation can be made inducible upon environmental...
  21. Rett Syndrome: A History of Research and Therapeutic Outlooks

    Type
    Blog Post
    Published
    Nov. 19, 2020, 2:15 p.m.
    ...their MECP2-related plasmid tools with Addgene and share additional resources. Plasmid tools to facilitate...to partner with them to launch a Rett Syndrome Plasmid Collection and Resource Center for Rett Syndrome...and MECP2 protein, showing mutations corrected by CRISPR/Cas9 in wild-type human iPSCs. Image modified from... from Le et al., 2019. Gene editing via CRISPR/Cas9 and RNA-mediated correction of MECP2 mutant alleles...disease. Klaus Rajewsky’s group recently used the CRISPR/Cas9 system to both precisely insert the MECP2-...Keith Joung, PhD, and Feng Zhang, PhD, is pursuing CRISPR/Cas9 technology for precise correction of Rett ... Rett Syndrome in novel ways.  Addgene’s MECP2 Plasmid Collection and Resource Center will continue to...
  22. Donations from Addgene to Yield Answers for Rare Disease Researchers

    Type
    Blog Post
    Published
    Sept. 15, 2015, 2:30 p.m.
    ...studying four of those rare diseases will receive plasmids from Addgene worth a total of $5000.  Lowe Syndrome...involving the primary cilia. They’ll put a variety of plasmids to work to explore the effect of various OCRL1...induced pluripotent stem cell (iPS) technology and CRISPR-Cas9 constructs from Addgene to gene-edit mutations...looking at a bunch of different strategies with CRISPR-Cas9. There are so many different variants and ...there. This will help us acquire a lot of those plasmids so that we can try many different things in parallel..., will use GFP-ATP1A3, FLAG-ATP1A3, and ATP1B3 plasmids to explore the functional differences among mutations...functional role of those mutations, they now plan to use CRISPR-Cas9 technology to create cell lines and/or mouse...
  23. CRISPR 101: Cas9 Nickase Design and Homology Directed Repair

    Type
    Blog Post
    Published
    March 15, 2018, 12:59 p.m.
    ...Addgene.org Check out CRISPR Topic Page Find CRISPR Nickase Plasmids Browse the CRISPR Guide ... Cas9 nuclease domains, researchers created the CRISPR nickase. Nickases create a single-strand rather...Integrated DNA Technologies) first demonstrated how CRISPR nickases improve homology directed repair rates...rates, and share their design rules for your next CRISPR nickase experiment Overview of Cas9 nickase We’ll...nickase design Ready to employ nickases for your next CRISPR experiments? Here’s IDT’s best advice: Use a PAM-out...
  24. CRISPR 101: Cas9 vs. The Other Cas(s)

    Type
    Blog Post
    Published
    Dec. 8, 2022, 2:15 p.m.
    ...expanding CRISPR beyond spCas9 Cas proteins More resources on the Addgene Website CRISPR Plasmids and Resources...resources on the Addgene Blog CRISPR 101: Which Cas9 do I choose for my CRISPR experiment? The PAM requirement...engineering workhorse You rarely hear the word ‘CRISPR’ without shortly thereafter hearing ‘Cas9’. The...targeting. RNA targeting Cas enzymes Move over Cas9, CRISPR isn’t just for DNA anymore! Cas enzymes have been...Deletions in Human Embryonic Stem Cells Using Type I CRISPR-Cas. Molecular Cell, 74(5): 936-950.e5 (2019). ...is a single RNA-guided endonuclease of a class 2 CRISPR-Cas system. Cell, 163(3): 759-771 (2015). 10.1016...et. al. Programmed DNA destruction by miniature CRISPR-Cas14 enzymes. Science, 362(6416): 839-842 (2018...
  25. 3D Printing Meets CRISPR Cas9

    Type
    Blog Post
    Published
    Oct. 17, 2017, 12:55 p.m.
    ...Learn All about CRISPR Use CRISPR for Genome Visualization Tips for a First Time CRISPR User by a First...First Time CRISPR User Resources on Addgene.org Visit Our CRISPR Guide Page CRISPR/Cas9 History Browse ...Browse All CRISPR Plasmids and Resources ...can be both useful, and dangerous. Subscribe to CRISPR Blog Posts How do educators and students use molecular...custom models of proteins for researchers. Modeling CRISPR We were excited when Jacob Corn contacted us in...explain that it was common knowledge within the CRISPR community that this first Jinek structure had caught...description of how effective this model was in explaining CRISPR technology to 4th graders, check out Jennifer Doudna...
  26. Harnessing Bacterial Toxins for Allelic Exchange

    Type
    Blog Post
    Published
    Aug. 15, 2019, 12:30 p.m.
    ...Improvement of pCVD442, a suicide plasmid for gene allele exchange in bacteria." Plasmid 51.3 (2004): 246-255. PubMed... on the Addgene blog Read our Plasmids 101 blog posts Find our CRISPR blog posts Learn more about Lambda...genomes using exogenous enzymes: Lambda red and CRISPR Developed over the past 20 years, Lambda Red recombineering...used  (Thomason et al., 2014). In recent years, CRISPR-Cas9 technology has also aided in the creation ...exogenous enzymes, require multiple transformation and plasmid curing steps, and can generate off-target mutations...a mutated allele introduced from a conjugative plasmid replaces the chromosomal copy. This is a versatile... These two steps are (Figure 1): The initial plasmid integration step (the so-called “single crossover...
  27. Using Addgene's New Viral Service for Your Research

    Type
    Blog Post
    Published
    Nov. 17, 2016, 3:30 p.m.
    ...Service, we’re distributing lentivirus (with many CRISPR tools included among the preps that are currently...accelerate your research.   Why distribute virus? Plasmid distribution is booming, but, over the years, many...list of what’s available or suggest additional plasmids with the Viral Service Suggestion Form. Lentivirus...lentiviral vectors in the repository are used to produce CRISPR tools, we’re starting the Viral Service with lentiviral... activators, Cas9 repressors, select gRNAs, and CRISPR pooled libraries. Whether you’d like to knockout... in experiments other than just those involving CRISPR and so we also have lentivirus for delivering control...
  28. Sequencing Options for CRISPR Genotyping

    Type
    Blog Post
    Published
    Oct. 4, 2016, 2:30 p.m.
    ...View Our CRISPR Guide Pages Find CRISPR Plasmids for Your Experiments Get Ready-to-Use CRISPR Lentivirus...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...Perform Genome-Wide Screens with CRISPR Generate Mouse Models with CRISPR/Cas9 Additional Resources on ...target gene. The validation process, also known as CRISPR genotyping, is critical to demonstrating causal...biology. It is key to address these concerns as CRISPR use grows across the life sciences and to establish...moves toward standardized thresholds for validating CRISPR experiments, many are turning to next-generation...
  29. Top Requested Lentivirus and AAV of 2016

    Type
    Blog Post
    Published
    Jan. 6, 2017, 3:56 p.m.
    ...lentiviral inventory is based on CRISPR tools, though we do provide a few non-CRISPR related viral preps. Cas9...Cas9 is the headliner of most CRISPR applications and can be expressed from your cell line of choice after...typically express Cas9 and a gRNA from the same plasmid. LentiCas9-blast virus can be used to generate ...can then be used both for screens (using pooled CRISPR knockout libraries) and individual gene knockouts...with a single-vector system). Tips for using this plasmid Cas9 expression is typically cytotoxic, which makes... Improved vectors and genome-wide libraries for CRISPR screening. Nat Methods. 2014 Aug;11(8):783-4. PubMed...
  30. Custom CRISPR Screens & the Green Listed Software

    Type
    Blog Post
    Published
    July 11, 2017, 2:30 p.m.
    ...Learn More About CRISPR Find CRISPR Screening Libraries Browse All CRISPR Plasmids ...world class CRISPR labs.  Check Out This Video to See How Green Listed Works at a Glance!  CRISPR knockout...Addgene Blog Learn about CRISPR Screens How to Design Your gRNA Tips for a 1st CRISPR User Resources on Addgene.org...1000 genes you’d like to investigate in your next CRISPR screen. Luckily, the Green Listed software can ...new software tool used to design gRNAs for custom CRISPR screens targeting a (long or short) list of genes...screens: Full genome vs. custom screens Full genome CRISPR knockout screens have been used in several settings...T. gondii are available through www.addgene.org/crispr/libraries/. Additional libraries are also available...
  31. CRISPR 101: Cytosine and Adenine Base Editors

    Type
    Blog Post
    Published
    Feb. 13, 2025, 2:15 p.m.
    ...Addgene.org Catch up on your CRISPR background with our CRISPR Guide Browse CRISPR plasmids for base editing Find...based on Cas9 off-target activity.  Find CRISPR base editing plasmids at Addgene Improving cytosine base editing...Early CRISPR applications were often limited by the low editing efficiency of homology-directed repair... indels were observed than point modifications. CRISPR base editing persists through multiple cell divisions...which you can learn more about in this blog post: CRISPR 101: RNA Editing with Cas13. Finally, the development... highlighted in this article.  Publication Plasmids   Highlights Komor et al., 2016 BE1, BE2, BE3...adenine deaminase TadA-8e for efficient and specific CRISPR-based cytosine base editing. Nature Biotechnology...
  32. How to Design Your gRNA for CRISPR Genome Editing

    Type
    Blog Post
    Published
    Sept. 24, 2020, 1:15 p.m.
    ...on Your CRISPR Basics with Our CRISPR Guide Find CRISPR Plasmids for Your Research Find CRISPR Pooled ...How to Conduct Genome-Wide CRISPR Pooled Library Screens Read other CRISPR Blog Posts Resources on Addgene.org...not quite as broad as for knockout via CRISPR cutting. For CRISPRa, it is most-efficacious to target a ~... Scientist at the Broad Institute, John Doench. CRISPR technology has made it easier than ever both to...considerations before you start an experiment with CRISPR The hammer, the jigsaw, and the wrench are all ...the same is true when designing gRNAs for using CRISPR technology – the “best” gRNA depends an awful lot...hammer: Gene knockout by NHEJ Gene knockout with CRISPR technology is usually accomplished by Cas9-mediated...
  33. CrispyCrunch: High-throughput Design and Analysis of CRISPR+HDR Experiments

    Type
    Blog Post
    Published
    Feb. 7, 2019, 2:16 p.m.
    ...Addgene.org Find CRISPR plasmids and resources Download the CRISPR eBook Read our CRISPR guide  ... our CRISPR 101 blog posts Learn about some considerations when designing gRNAs Find other CRISPR software...announce the general availability of new a tool for CRISPR scientists––CrispyCrunch! CrispyCrunch is a web... helps scientists design and analyze batches of CRISPR samples. We invite you to jump in and try it out...pre-existing guides for primer design. The ecosystem of CRISPR tools Before deciding to build our own tool, we...Cambrian-like explosion of software tools accompanying the CRISPR revolution. (See omictools for even more.) However...for guide design, there are few tools to analyze  CRISPR repair outcomes, which is important for quality...
  34. Optogenetics + CRISPR, Using Light to Control Genome Editing

    Type
    Blog Post
    Published
    Sept. 3, 2020, 12:15 p.m.
    ...blog post: Anti-CRISPR Proteins Switch Off CRISPR-Cas Systems.  Listen to the anti-CRISPR podcast segment... combined CRISPR and optogenetic techniques to develop a variety of photoactivatable CRISPR tools. These...optogenetic manipulation of CRISPR-based systems in animal models. Use Anti-CRISPRs to Turn Off Genome Editing.... Stop light! Photoactive anti-CRISPRs halt Cas9 activity Anti-CRISPR proteins are a highly diverse group...photoactivatable CRISPR strategies Publication System nickname Photoactivatable moiety Cas9 variatn CRISPR protein...Light-Dependent Anti-CRISPR Bubeck et al., 2018 CASANOVA LOV2 from A. Sativa AcrIIA4 anti-CRISPR protein, co-... D (2018) Engineered anti-CRISPR proteins for optogenetic control of CRISPR–Cas9. Nat Methods 15:924–927...
  35. Call for Guest Bloggers

    Type
    Blog Post
    Published
    March 2, 2016, 3 p.m.
    ... plating Anti-CRISPR Retroviral vectors Career development for scientists A new plasmid tool your lab ... in applying CRISPR for mouse genome editing. Post: Generating Mouse Models Using CRISPR/Cas9   Erik L...
  36. Twelve Amazing Guest Blog Contributors!

    Type
    Blog Post
    Published
    Nov. 26, 2024, 2:15 p.m.
    ...about recent CRISPR deposits from Arlene Sharpe’s lab. X-Chime and Performing In Vivo CRISPR Screens Using...and writing of two blog posts. Plasmids 101: Modular Cloning and Plasmids 101: Modular Cloning Applications...
  37. Plasmids 101: Golden Gate Cloning

    Type
    Blog Post
    Published
    Aug. 27, 2015, 2:30 p.m.
    ...Golden Gate method to create CRISPR/Cas9 constructs, assemble standard plasmids parts in different combinations...Check out more Plasmids 101 Posts! Check out Addgene’s restriction cloning guide! CRISPR 101: Multiplex...Addgene’s plasmids are used with a wide variety of restriction enzyme-based cloning methods. Each method...Entry DNA overhangs may be present in the original plasmid (Option 1) or added using PCR-based amplification...fragments to create TAL effector nucleases. These plasmids were designed to utilize the BsaI and BsmBI Type...efficiently in just a few steps. More recently, CRISPR technology has adapted Golden Gate cloning for ... a gRNA target sequence into a Cas9-containing plasmid such as pX330. This cloning strategy not only makes...
  38. Cancer, Inflammation and Immunity - Harnessing the Body’s Defenses to Fight Cancer

    Type
    Blog Post
    Published
    July 6, 2017, 1:59 p.m.
    ...Resources on Addgene.org Browse Cancer Plasmids Browse Immunology Plasmids Find Kits for Cancer Research  ...immunosurveillance have a look at our Immunology Research Plasmids and Resources. Studying the immune system and ...development in immunotherapy is the combination of the CRISPR/Cas9 methodology with T cell receptor engineering...contrast to using randomly integrating viral vectors, CRISPR/Cas9 genome editing allows targeted engineering...analyse the tumor microenvironment (one of the plasmids on her poster is pTomo-Ras which has been deposited... immunology resources. If you have a great new plasmid you’d like to share with the scientific community... et al. "Targeting a CAR to the TRAC locus with CRISPR/Cas9 enhances tumour rejection." Nature 543.7643...
  39. Fueled by Coffee at #SfN14

    Type
    Blog Post
    Published
    Nov. 18, 2014, 7:15 p.m.
    ... infiltration of CRISPR-Cas tools into neuroscience experiments. Speaking of CRISPRs, we were excited...exhibitor booth in order to help scientists find the plasmids they need for their research, show labs how they...about all the amazing research being done with plasmids. I heard an impressive talk about the use of optogenetics...and resources by storing and distributing their plasmids with the scientific community. All of this speaks... meet our Addgenie crew and sign-up for a free plasmid! Also check out the PLOS Neuroscience Community...
  40. Another Pathway into Cells: iTOP

    Type
    Blog Post
    Published
    June 23, 2015, 8:37 p.m.
    ...iTOP would be compatible with CRISPR/Cas9 genome editing. Although CRISPR/Cas9 is all the rage, they had...transduction method and its potential applications to CRISPR/Cas9 genome editing.   Protein-only transduction...expression. Image courtesy of Diego D'Astolfo. CRISPR/Cas9: a potential application of iTOP Having tested...stemness, indicating that iTOP may be valuable for CRISPR/Cas9 stem cell editing. The small molecule...10.1016/j.cell.2015.03.028. PubMed. Find the Plasmids @Addgene: iTOP-tested proteins and reporters... crispr...
Showing: 161 - 200 of 316 results