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  1. CRISPR Meets Synthetic Biology: A Conversation with MIT’s Christopher Voigt

    Type
    Blog Post
    Published
    April 22, 2015, 2:06 p.m.
    ...for speaking with us! Find the Plasmids: Plasmids for multi-input CRISPR/Cas9 genetic circuits References... future. Building circuits from CRISPRs Addgene: What can CRISPR do for synthetic biology? Voigt: The...Nielsen describe what’s possible when multi-input CRISPR/Cas genetic circuits are linked to the regulatory...about this collision that’s taking place between CRISPR technology and synthetic biology, the tools he’... proteins that don’t interfere with each other. CRISPR is so orthogonal and programmable that you can ...straightforward surprisingly. So I think a nice thing about CRISPR is how much easier it is to work with than regulatory...One thing is that Cas9 is toxic. When cells carry CRISPR circuitry, it can slow their growth. Something ...
  2. Hot Plasmids Spring 2024

    Type
    Blog Post
    Published
    May 23, 2024, 1:15 p.m.
    ...of the new plasmids, antibodies, and viral preps in our repository through our Hot Plasmids articles.  ...pooled CRISPR screens By Emily Bentley Building on their CROPseq method for optical pooled CRISPR screening...2 nucleocapsid protein (Plasmid #141391-LV [+N]) or membrane protein (Plasmid #141386-LV [+M], negative...Huntington’s Disease, including plasmids, antibodies, viral vector preps, CRISPR tools, and more.  ...Multiplexed perturbation and decoding in pooled CRISPR screens Improved prime editor PE7 Antibodies to...developed a multiplexing approach to Cas9-based pooled CRISPR screens called CROPseq-multi (Walton et al. 2024... over the original CROPseq. Find CROPseq-multi plasmids here Walton, R.T., Qin, Y., Blainey, P.C. (2024...
  3. Some Like it Hot: Thermostable GeoCas9

    Type
    Blog Post
    Published
    Sept. 14, 2017, 12:40 p.m.
    ...Addgene’s CRISPR Guide Page Find CRISPR plasmids at Addgene ...GeoCas9 a try, as always, the plasmids are available from Addgene. Happy CRISPRing! References Harrington,... Read about CRISPR Methods for Bacterial Genome Engineering   Interested in using CRISPR/Cas9 RNPs? Check...Other Blog Posts on CRISPR Additional Resources on Addgene.org Brush Up on Your CRISPR Background with ...opened up the field of thermophilic bacteria to CRISPR/Cas9 genome editing. How was GeoCas9 discovered... The discovery of GeoCas9 clears the way for CRISPR/Cas9 genome editing in facultative and obligate... crispr...
  4. A Look Back at One Year of Plasmid Sharing for COVID-19 Research

    Type
    Blog Post
    Published
    July 12, 2021, 1:15 p.m.
    ...received over 13,000 plasmids requests for COVID-19 related plasmids. These plasmids have reached labs in...COVID-19: CRISPR-Based Detection Tools. The CRISPR Journal 3:142–145. https://doi.org/10.1089/crispr.2020.0030...small collection of plasmids for coronavirus research, including a handful of plasmids that have been in...some highlights of the plasmids shared over the last year and how these plasmids have been used to accelerate...circulating and plasmids containing these mutations have been deposited at Addgene. Plasmids deposited from... labs also deposited plasmids for producing COVID-19 diagnostic enzymes. Plasmids in this toolkit include...These plasmids contain both untagged and tagged versions of SARS-CoV-2 ORFs and include plasmids that ...
  5. Open Resources and Plasmid Tools For Studying C. elegans

    Type
    Blog Post
    Published
    July 18, 2019, 12:55 p.m.
    ...this CRISPR plasmid can be created in a single tube. You can also find additional SapTrap plasmids used...SapTrap is a reagent toolkit and plasmid assembly line for the creation of CRISPR targeting vectors that each...more about SapTrap Read about CRISPR/Cas9 in C. elegans Browse our Plasmids 101 blog posts Resources on...Bargmann’s keynote speech and in the workshops on CRISPR techniques and new tools for conditional expression...discussed at the meeting, in addition to useful plasmids and toolkits available at Addgene.  C. elegans... development (Kyoda et al., 2012).  C. elegans plasmid tools at Addgene In addition to the wealth of open...open resources described above, there were many plasmid tools presented at the C. elegans meeting. Here...
  6. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

    Type
    Blog Post
    Published
    Feb. 24, 2015, 7:50 p.m.
    ...Silvana Konermann, the first generation of CRISPR-Cas9 plasmids were not designed with gene activation in... the CRISPR system was a large one.  The question for her then was this: Can you engineer CRISPR-Cas9 ...Two-way CRISPR screening In October, Jonathan Weissman’s lab introduced additional pooled CRISPR libraries...CRISPR technology has changed how scientists edit and control genes, but according to the Broad Institute's...lab describe just such a system, which they call CRISPR/Cas9 Synergistic Activation Mediator or SAM. SAM...tetraloop and stem-loop 2; 3. The MS2-P65-HSF1 plasmid which expresses the activation helper protein. ...earlier by the Zhang lab for GeCKO, a lentiviral CRISPR library enabling genome-scale, knockout screening...
  7. Editor's Choice, August 2016

    Type
    Blog Post
    Published
    Sept. 2, 2016, 1:32 p.m.
    ...popular blog post on early user experiences with CRISPR alternative, NgAgo. As you might expect with any...up and running in their labs. Pooran surveyed a CRISPR google forum to get a better idea of how many people...Directed Mutagenesis by PCR & Single Base Editing with CRISPR For my editor’s choice picks this month, I’m picking... can use PCR to make small sequence changes to plasmid DNA. This an oldie but a goodie, and in my personal...experience, is a quick way to generate many mutated plasmid constructs. The second post was contributed by ...Addgene Scientist Mary Gearing and discusses a newer, CRISPR-based technique to generate C->T or G->A transitions...cells. This technique uses catalytically inactive CRISPR endonuclease (dCas9) fused to a deaminase to make...
  8. Hot Plasmids - February 2022

    Type
    Blog Post
    Published
    Feb. 22, 2022, 2:15 p.m.
    ...subset of the new plasmids and viral preps in the repository through our hot plasmids articles. These articles...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need...need. If you'd ever like to write about a recent plasmid deposit please sign up here.  Here's what you'... Penn State Protein Ladder Engineered miniature CRISPR-Cas system for mammalian genome regulation and ...gene perturbation by: Gabrielle Clouse While many CRISPR-based genetic screening methods have primarily ...Ladder  by: Rachel Leeson This simple, inexpensive plasmid-based ladder system is a cost-effective alternative... ladders. Image from Santilli, et al. 2021 Plasmids are used to express 10, 15, 20, 30, 40, 50, 60...
  9. Optimizing Donor DNA for Enhanced CRISPR Genome Editing

    Type
    Blog Post
    Published
    March 24, 2016, 2:30 p.m.
    ...Background with Our CRISPR Guide Find CRISPR Plasmids for Your Research Check out Our List of gRNA Design Tools...the Ideal CRISPR Software for Your Needs Resources on Addgene.org Catch up on Your CRISPR Background... a Postdoctoral Researcher in Jacob Corn’s lab. CRISPR-Cas9 (Cas9) is an RNA-guided nuclease that targets...gene is worse than leaving the mutation alone). CRISPR delivery by nucleofection The in vivo editing experiments...validated editing reagents can be found on our plasmid pages. We encourage any labs performing genome ...genome 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 ...
  10. Hot Plasmids - June 2019 - Optogenetics, Acoustic Reporter Genes, microRNAs, and the CRISPR-Cas9 system CHIME

    Type
    Blog Post
    Published
    June 6, 2019, 12:41 p.m.
    ...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles ...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need... recent plasmid deposit please sign up here.      Listen to this episode of the Hot Plasmids podcast ... (ARG) plasmids to better monitor gene expression in vivo using ultrasound. These ARG plasmids contain...using the CRISPR-Cas9 system CHIME Article contributed by Aliyah Weinstein  Listen to the CRISPR podcast...responses in C. elegans. Find the split BoTN/B plasmids at Addgene. Liu Q et al., Neuron. 2019. PubMed...potentially problematic for imaging. Find the ARG plasmids at Addgene. For more details on acoustic reporters...
  11. DAP arrays for multiplex gene editing

    Type
    Blog Post
    Published
    July 7, 2022, 1:15 p.m.
    ...The natural CRISPR locus of a bacteria host encodes multiple guide RNAs (gRNAs) on a single array to ... invading phage pathogen. Over the past decade, CRISPR tools have leveraged such host-defense mechanisms...with only minimal payloads. DAP array  Although CRISPR-Cas12a, with abilities to process and release its...leading the edge of the precision gene editing. CRISPR-Cas9, the key component to enable efficient base...multiple gRNAs for nCas9-BE, or any other kinds of CRISPR tools, without compromising their strategic advantages...for potential in vivo applications or multiplex CRISPR screening.   Using tRNAs Luckily, a fun feature... state-of-art base editor, prime editor, or any CRISPR-based gene editors, for correcting mutations or...
  12. Interview: Hodaka Fujii on enChIP, New CRISPR Tools, and More

    Type
    Blog Post
    Published
    Dec. 2, 2014, 7:23 p.m.
    ...enChIP Plasmids? All Hodaka Fujii lab plasmids Sign up to receive email alerts when new plasmids from ...requested plasmids for enChIP through Addgene. Retroviral Expression System for enChIP using CRISPR Addgene... shopping for a wide range of plasmids. The merit of depositing plasmids to Addgene has been spectacular... molecule technologies such as TAL proteins and CRISPR became available, I was very excited because genome-editing...recently developed a retroviral enChIP system using CRISPR technology. Can you describe this technology and...retroviral enChIP system enables us to express the CRISPR complex much easier in various cells, including...user-friendly and precise. We will deposit the plasmids of these systems to Addgene in the near future...
  13. xCas9: Engineering a CRISPR Variant with PAM Flexibility

    Type
    Blog Post
    Published
    March 28, 2018, 6:52 p.m.
    ...Check out our CRISPR Guide Find CRISPR Plasmids for Mammalian Systems Learn about CRISPR History ...transcription from the accessory plasmid (AP) encoding phage gene III. The accessory plasmid library contained all...In order to bind DNA, Cas9 and other CRISPR enzymes require a short PAM sequence adjacent to the targeted...PAM flexibility. In this system, the mutagenesis plasmid (MP6) permits quick, large-scale mutation of the...doi: 10.1038/nature26155 PubMed PMID: 29512652 Plasmids from this paper are available at Addgene.  Additional...Learn about Engineered Cas9 PAM Variants Read about CRISPR Base Editing Learn about Homology Directed Repair...
  14. Targeted Mutagenesis with EvolvR

    Type
    Blog Post
    Published
    Feb. 21, 2019, 1:15 p.m.
    ...Addgene.org Browse our CRISPR guide pages Find bacterial CRISPR plasmids ...specific mutations in your plasmids Use REPLACER Mutagenesis to mutate your plasmid Resources on Addgene....within a user-defined genomic region. EvolvR, a CRISPR-Cas9 based targeted mutagenesis method developed... targeted mutagenesis experiments? Find EvolvR plasmids at Addgene! References Gaj, Thomas, and Pablo...Pablo Perez-Pinera. "The continuously evolving CRISPR barcoding toolbox." Genome biology 19.1 (2018): 143...PMCID: PMC6154929. Halperin, Shakked O., et al. "CRISPR-guided DNA polymerases enable diversification of...resources on the Addgene blog Learn about other CRISPR methods for bacterial genome engineering   Learn...
  15. Hot Plasmids - September 2019 - CRISPR, Auxin Inducible Degradation, MerMAID Channelrhodopsins, and Genome Looping

    Type
    Blog Post
    Published
    Sept. 3, 2019, 1:15 p.m.
    ...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles ...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need...targeting range of CRISPRCas9 by engineering SpCas9 Article contributed by Shreya Vedantam CRISPR/Cas9 is widely...need. If you'd ever like to write about a recent plasmid deposit please sign up here.        New toolkit...2016).  The Kanemaki lab previously developed a CRISPR/Cas9 based method to tag endogenous proteins in... the Kanemaki lab has created a new toolkit of plasmids for the N- or C- terminal tagging of proteins ...and other tags (Yesbolatova et al., 2019) using CRISPR. This toolkit makes it easy to tag your protein...
  16. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

    Type
    Blog Post
    Published
    May 5, 2020, 1:15 p.m.
    ...Get the basics about CRISPR in our CRISPR guide Browse our entire COVID-19 plasmid collection ...technologies like CRISPR. Figure 1: An overview of the general schematic of CRISPR/Cas based COVID...check out this table.  All-in-one dual CRISPR/Cas12a (AIOD-CRISPR) assay – for rapid, ultrasensitive and...detection of 2019 novel coronavirus SARS-CoV-2 using a CRISPR based DETECTR assay Sensitivity:10-100 copies of...Lucia et al., 2020). Detecting coronavirus using CRISPR-based SHERLOCK (Specific ​H​igh ​s​ensitivity ​E​nzymatic...the case of HIV-1 and SARS-CoV-2 detection, AIOD-CRISPR without preamplification was able to detect as ...varying between 10-50°C. Visit Addgene's COVID-19 Plasmids and Resources Many thanks to our guest bloggers...
  17. Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors

    Type
    Blog Post
    Published
    March 17, 2020, 1:32 p.m.
    ...editing Read more about CRISPR Learn all the basics about CRISPR in our CRISPR 101 blog series Resources...following components: A plasmid in the host bacterium expressing dCas9 A plasmid in the host bacterium ...base editors for your research Read our CRISPR guide Find plasmids for your research ... Cell Symposia: Gene- and Cell-based Therapies: CRISPR, Stem Cells, and Beyond meeting earlier this month... of gene III to create infectious particles. A plasmid-based genetic circuit in the bacteria links the...encoding the deaminase TadA-7.10 A mutagenesis plasmid controlling the phage mutation rate Phage infection...Phage-assisted evolution of base-editing activity. A plasmid-based genetic circuit in the bacteria links the...
  18. Treating Muscular Dystrophy with CRISPR Gene Editing

    Type
    Blog Post
    Published
    Jan. 26, 2016, 3:30 p.m.
    ... on Addgene.org Check out Our CRISPR Guide Pages Find CRISPR Plasmids for Your Research Find Validated...additional, unique facets of CRISPR DMD therapy. Long et al. show that AAV-CRISPR does not cause obvious germline...directions and obstacles to clinical CRISPR editing Given the success of the CRISPR-mediated exon skipping approach...To bring DMD CRISPR therapy closer to the clinic, much work is still needed. First, CRISPR delivery must... to be treated clinically with CRISPR. Many obstacles remain for CRISPR gene editing, but given the speed...Having seen CRISPR’s success in basic research, researchers are eager to apply it in a clinical setting...setting. CRISPR is often used for animal germline modification, to repair or add in disease-causing mutations...
  19. 10 Great Guest Posts We're Thankful For

    Type
    Blog Post
    Published
    Nov. 18, 2016, 3 p.m.
    ...you’re getting started with them. CRISPR Pairing CombiGEM and CRISPR for Combinatorial Genetic Screening...publication. Optimizing Donor DNA for Enhanced CRISPR Genome Editing CRISPR has revolutionized how researchers make...Nathaniel Roquet from the Lu Lab at MIT developed plasmid based systems that report the order in which specific... can use CombiGEM to barcode small libraries of CRISPR gRNAs to use for screening experiments. Get the...and other types of genome edits, but, even with CRISPR, it isn’t always easy to insert a section of DNA...biophysics! Casilio: An Adaptive, Multitasking “CRISPR-OS” In this post, Albert Cheng and Mark Wanner ... plasmid...
  20. Addgene-Seeding Labs plasmid grant round 3: microbial drug resistance and biofilms, antidiabetic plant components, visualizing brain injury - and a glowing robot fish

    Type
    Blog Post
    Published
    Nov. 27, 2018, 2 p.m.
    ...specifically, the Addgene-Seeding Labs plasmid grant provide plasmids to these researchers. In the third ...the Addgene-Seeding Labs Plasmid Grant Check Out Addgene-Seeding Labs Plasmid Grant Awardees in 2016 and...Resources at Addgene.org Check out our CRISPR resources and CRISPR for plants Bacterial Expression Systems...to provide scientific resources, equipment, and plasmids to researchers in resource-limited settings. More...third round of the Addgene-Seeding Labs plasmid grant we are excited to introduce the 5 awardees and their...PZA-resistance by using different approaches, including CRISPR and recombination-mediated genetic engineering ...more information on bacterial engineering using CRISPR on our blog). Her research should provide us with...
  21. Addgene's Top Blog Posts from 2020

    Type
    Blog Post
    Published
    Dec. 29, 2020, 2:15 p.m.
    ...service features 210 plasmids: empty backbones, fluorescent protein tags, SARS-CoV-2 plasmids, etc. It is our...to Elute and Store Your Plasmid DNA? by Paolo Colombi Should I store my plasmid in TE, Tris, or water?...Here we cover five methods to do this. 5. Plasmids 101: Plasmid Incompatibility by Leah Schiesow If you're... Based on CRISPR/Cas by Shravanti Suresh Guest blogger Shravanti Suresh who studies CRISPR at Iowa State...five methods for using CRISPR to detect SARS-CoV-2, including many with plasmids deposited at Addgene! ... We've had 11 blog posts on COVID-19 featuring plasmid tools from depositors who quickly shared their ...you're thinking about hosting multiple plasmids in one cell, it might be that you can't stably maintain...
  22. 28 Hot Plasmid Technologies from 2015

    Type
    Blog Post
    Published
    Dec. 23, 2015, 3:30 p.m.
    ...Addgene Blog Read Our CRISPR 101 Posts Read Our Plasmids 101 Posts Read All of Plasmid Technology Posts ...amazing plasmid technologies developed by our community of depositors. With over 40,000 plasmids avaliable...amazing new plasmid tools that have come through our doors in 2015. Do you have a favorite new plasmid tool ... control over CRISPR/Cas9 mediated genome modification and gene expression. The plasmids associated with...system plasmids are available through Addgene and are already very popular. Use these plasmids to increase...Nature Methods. 2015 Aug 31. CRISPR-Display: A novel CRISPR technology for targeting RNA cargos...technique, called CRISPR-Display, that may help answer this difficult question. CRISPR-Display uses the...
  23. Hassle-free 96-well Format Epitope Tagging Using Cas9 Ribonucleoprotein

    Type
    Blog Post
    Published
    June 28, 2018, 3:01 p.m.
    ...Resources on Addgene.org Browse CRISPR plasmids Check out our CRISPR guide pages Find ready-to-use Cas9...on the Addgene Blog Plasmids for endogenous gene tagging in human cells Plasmids 101: Protein Tags Fluorescent...intended target site. With the widespread adoption of CRISPR/Cas9 technology and rapid improvements in the field...from many pitfalls: they require construction of plasmid vectors and/or rely on cumbersome in vitro synthesis...delivery Epitope tagging of mammalian genes using CRISPR depends on successful delivery of three reagents...using custom synthetic two-part cr/tracrRNAs for CRISPR experiments (in collaboration with Integrated DNA...directly purchased and there is no need to construct plasmid vectors or synthesize/purify IVT sgRNA in the lab...
  24. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

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    Blog Post
    Published
    Dec. 17, 2020, 1:30 p.m.
    ...). To see more CRISPR tools for C. elegans, visit Addgene’s C. elegans CRISPR plasmids page. Future perspectives...also facilitated CRISPR editing in C. elegans. These modular toolkits build single plasmid targeting vectors...learn more about genome editing with CRISPRs? Check-out Addgene's CRISPR Resources Learn about gRNA design...regulate gene expression (CRISPRi/CRISPRa), visualize specific genomic loci (CRISPR-imaging), or to find the... University of California, Santa Cruz. Emerging CRISPR/Cas9 editing technologies have transformed the ...gene regulation during developmental processes, CRISPR/Cas9 allows us to delete sequences and introduce...to remain in the edited animal. Development of CRISPR/Cas9 editing strategies in C. elegans As brilliantly...
  25. SciComm: Taking Science to Elementary and Middle Schools

    Type
    Blog Post
    Published
    July 9, 2019, 12:52 p.m.
    ....org Check out our comprehensive CRISPR guide Find CRISPR plasmids and resources ...vocabulary--DNA, protein, plasmid, gene, etc. Though I talked about CRISPR’s molecular mechanism, I was...on the Addgene blog Browse our CRISPR blog posts Download our CRISPR cheat sheet Read our science communication... we’d already discussed the idea of my giving a CRISPR presentation to their students. I didn’t think ...(which could be adapted for any topic--not just CRISPR): Who am I? Where do I work? The teachers emphasized...this area. What is genome engineering? How does CRISPR work? This section was essentially background slides...teachers and other science communicators.  What can CRISPR do? I spent more time on this section of the presentation...
  26. Lentiviral Vector Uses and Overview

    Type
    Blog Post
    Published
    May 19, 2016, 2:30 p.m.
    ...consisted of three plasmids: the packaging, envelope, and transfer plasmids. The packaging plasmid carried a mutated... Many CRISPR plasmids are designed for lentiviral use, including Addgene’s top requested plasmid in 2015... packaging and envelope plasmids are two of Addgene’s most requested plasmids! Lentiviral particles with...Addgene Blog Your Lentiviral Plasmid FAQs Answered Learn How Lentiviral CRISPR Libraries Enable Genome-Scale...Lentiviral vectors are the vector of choice for many CRISPR applications, and they’ve also had success in clinical...itself due to a few missing proteins. The envelope plasmid contained a viral envelope to dictate the tropism...the vector could infect. Finally, the transfer plasmid encoded the desired transgene flanked by HIV-1 ...
  27. Performing In Vivo CRISPR Screens Using the FITS Approach

    Type
    Blog Post
    Published
    May 2, 2024, 1:15 p.m.
    ...FITS In vitro CRISPR screens in immune cells have identified many putative regulators of immunity. However...exists in vivo. Over the past five years, in vivo CRISPR screens have been used to interrogate T cells, ... Figure 1: Using FITS to perform in vivo CRISPR screens to assess T cell responses and clonal dynamics...FITS deposit also includes pLX_305_Ovalbumin, a plasmid that enables introduction of the model antigen,...to study antigen-specific responses. Find FITS plasmids here! Marty LaFleur is a Postdoctoral Fellow in...Knockout in Immune Cells Genome-Wide Screening Using CRISPR Cancer and the Immune System: Deciphering the Relationship...
  28. Finding nucleic acids with SHERLOCK and DETECTR

    Type
    Blog Post
    Published
    April 16, 2020, 1 p.m.
    ... DNA Endonuclease Targeted CRISPR Trans Reporter Cas12a (Cpf1) is a CRISPR Cas variant that can also cleave...Resources on Addgene.org Checkout our CRISPR guide page Browse the CRISPR Collection ...In the last few years, scientists have utilized CRISPR-Cas9 protein variants, Cas13, and Cas12a, to develop...develop the method termed DNA Endonuclease Targeted CRISPR Trans Reporter (DETECTR) (Chen et al., 2018). Both...Together SHERLOCK and DETECTR demonstrate the power of CRISPR-based diagnostics. SHERLOCK- Specific High Sensitivity...Abudayyeh et al 2016). Cas13 can be guided by a single CRISPR RNA (crRNA) to cleave ssRNA or mRNA. It also exhibits...reporters for each enzyme. In addition, Csm6, a CRISPR type-III effector nuclease, can be used in conjunction...
  29. Why and how to start studying chromatin (with Addgene's help)

    Type
    Blog Post
    Published
    June 12, 2018, 11:40 a.m.
    ...Chromatin-related genes with plasmids available from Addgene The links below pull up lists of plasmids containing the...containing lists of plasmids from the indicated publications. You can request all of these plasmids directly from...Chromatin Interactions: Using CRISPR-dCas9 to Study Gene Regulation CRISPR 101: Epigenetics and Editing...Studying Protein-DNA Interactions CRISPRainbow and Genome Visualization CRISPR Between the Genes: How to Experiment...or DNA repair, or replication, or any number of CRISPR applications and thought “OK, but how does this...consolidate every conceivable chromatin-related plasmid in a collection that grows on a daily basis, the... does not have it. That said, if you know of a plasmid that we definitely don’t have that you really want...
  30. RNA Interference in Plant Biology: New Tools for an Old Favorite

    Type
    Blog Post
    Published
    Oct. 27, 2020, 1:15 p.m.
    ...RNAs.   RNAi vs. CRISPR: Complementary techniques It is fair to say that CRISPR has revolutionized ...our CRISPR blog posts Resources on Addgene.org Find tools for mammalian RNAi Browse all plasmids for...unprecedented ways. With the meteoric rise and diversity of CRISPR technologies, one might incorrectly relegate RNAi...straightforwardness of RNAi is unmatched—unlike CRISPR experiments that require exogenous protein, successful...only requires the presence of dsRNA. In plants, CRISPR technologies are predominantly used to disrupt ...function at the level of DNA, thereby limiting CRISPR’s effectiveness at high copy numbers and genomic...prevalent assumption into question. Specifically, CRISPR-generated mutants believed to be knockouts can ...
  31. Plasmids 101: Modular Cloning

    Type
    Blog Post
    Published
    March 12, 2024, 1:15 p.m.
    ...assemble and test many variables all at once. CRISPR CRISPR arrays and libraries depend on many gRNAs delivered...As a plasmid repository, we are no strangers to cloning. If you’re reading this, then chances are you...etc. MoClo is especially useful for more complex CRISPR experiments (e.g., many guides/parts delivered)...delivered) in certain model organisms. In mammals, most CRISPR libraries are assembled and delivered virally, ...NEB’s DAD Interview with Nicola Patron on MoClo Plasmids 101: Golden Gate Cloning ...
  32. The Crispr Babies Saga Shows the Need for Action, Not More Delays

    Type
    Blog Post
    Published
    Dec. 20, 2018, 1:15 p.m.
    ...Resources on Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Check out our genome engineering...the Addgene blog Find all of our CRISPR blog posts Download the CRISPR 101 eBook Read our genome engineering... report. A scientist working in China was using CRISPR/Cas9 in an attempt to create gene-edited babies...overlapping, valid critiques being offered of He’s work: CRISPR/Cas9 genome editing is not far enough along, scientifically... as research published on December 13 shows us, CRISPR/Cas9 techniques are continually being refined; ...manipulate an embryo—even if it’s not necessarily via CRISPR/Cas9. This leaves us with the second critique. ...agreed-upon international moratorium on utilizing CRISPR/Cas9 in humans. This topic was to be revisited ...
  33. CRISPR Activators: A Comparison Between dCas9-VP64, SAM, SunTag, VPR, and More!

    Type
    Blog Post
    Published
    Oct. 6, 2020, 1:15 p.m.
    ...Most popular methods for CRISPR activation CRISPR activation uses dCas9, a CRISPR protein variant lacking... blog Browse our many CRISPR blog posts Get the basics of CRISPR in the CRISPR 101 blog series Resources...Resources on Addene.org Read Addgene's CRISPR Guide Find CRISPR plasmids for your research ...making it a common choice for CRISPR activation. Newer methods for CRISPR activation While SAM, SunTag,...compared to other CRISPR activators, but their initial results show promise for CRISPR-based gene activation...Prior to the discovery of CRISPR/Cas systems, gene activation across multiple loci was an arduous process...activation seem next to impossible. The development of CRISPR/Cas systems, however, greatly improved the simplicity...
  34. Addgene: The First Twenty Years

    Type
    Blog Post
    Published
    Dec. 19, 2024, 2:15 p.m.
    ...And when CRISPR arrived in 2012, our repository was rapidly able to support sharing of CRISPR constructs....org/guides/crispr/” — SirHamhands, responding to a request for “any suggestion for CRISPR online course...frustrated by the difficulty of accessing published plasmids from other scientists. She, Kenneth Fan, and Benjie...nonprofit that would facilitate the sharing of plasmids between scientists. The service would allow people...Addgene before we were a “labhold” name. Our first plasmid request came on September 8, 2004, for pcDNA-p160MBP... our first major repository milestone — 10,000 plasmids deposited and available — and nearly seven before...possible for scientists to both deposit and request plasmids, was a major focus of our first decade. We did...
  35. Hot Plasmids - June 2020 - Barcoded CRISPR Library, Sparse Cell Labeling, Calcineurin Reporter, and DNA Staining Dye Alternative

    Type
    Blog Post
    Published
    June 2, 2020, 1:15 p.m.
    ...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles ...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need...need. If you'd ever like to write about a recent plasmid deposit please sign up here.  Human whole genome...Susanna Bachle Figure 1: Initial steps in the CRISPR-pooled screening using sgRNAiBAR. Image from Zhu...'s lab at Peking University has developed a new CRISPR screening method that makes use of guide RNAs with...false-positive rate discovery rate, conventional CRISPR screens require a low multiplicity of infection...attached fluorescent protein to the DNA. They created plasmids for purification of tTALE-eGFP and tTALE-mCherry...
  36. CRISPR-mediated Plant Base Editors

    Type
    Blog Post
    Published
    Jan. 3, 2019, 1:35 p.m.
    ...Find all CRISPR plasmids and resources at Addgene Find CRISPR base editors Find CRISPR plasmids for plants...base. If you heard about CRISPR, one question probably comes to mind: can CRISPR be applied to fix the defective..., Y. Multiplex CRISPR-mediated base editing in rice. In Genome Engineering: The CRISPR-Cas Revolution,...Addgene blog Read all of our CRISPR 101 blog posts Download the CRISPR 101 eBook Read our blog posts ... to facilitate repair. Since the development of CRISPR-mediated base editing (BE), these types of repairs...et al., 2016 and Nishida et al., 2016) invented CRISPR-base editors by tethering cytosine deaminase with...adenine (A) to a guanine (G)? You may wonder if a CRISPR-base editor can perform this change. However, there...
  37. CRISPR 101: Making a Knock-In Cell Line

    Type
    Blog Post
    Published
    Dec. 22, 2022, 2:15 p.m.
    ...Efficiency for CRISPR Editing in Human Cells Resources on Addgene.org Browse All CRISPR Plasmids Find Validated...for successful HDR events. CRISPR cut site location Position your CRISPR cut site as close as possible...experiment. Also learn about Addgene’s knock-in plasmids for reagents to help you knock your knock-in experiment...s41589-019-0432-1 Mehdi Banan. Recent advances in CRISPR/Cas9-mediated knock-ins in mammalian cells. J Biotechnol... homology-directed repair choice in response to CRISPR/Cas9 Induced-double strand breaks. Int J Mol Sci...human genome engineering by controlled timing of CRISPR/Cas9 delivery. eLIFE. (2014) 10.7554/eLife.04766...Fernandez, J. P., Rouet, R., Vejnar, C. E., et al. CRISPR-Cpf1 mediates efficient homology-directed repair...
  38. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

    Type
    Blog Post
    Published
    Sept. 12, 2023, 1:15 p.m.
    ... in one place. Plasmid mapping These tools are for viewing, editing or making plasmid maps, but can also...make plasmid maps. Free for academic users. Serial Cloner: Free desktop-based software for plasmid design...design and mapping. ApE (A plasmid Editor): A free, donation-based plasmid analysis tool including editing...Utah.   Figure 1: A plasmid map created in SnapGene of Blue Flame plasmid pET21a-BirA.   DNA / ...blog: Learn how the CRISPR software matchmaker can help you choose the best CRISPR software for your needs...Primer design. Plasmid mapping. DNA sequence analysis. We all have our favorite tools for tackling these...The free SnapGene Viewer is great for looking at plasmid maps and viewing sequencing traces, while the paid...
  39. Prime Editing: Adding Precision and Flexibility to CRISPR Editing

    Type
    Blog Post
    Published
    Jan. 13, 2025, 9:49 p.m.
    ....org Read the CRISPR guide Find CRISPR plasmids by function Browse our entire plasmid collection ...Guide RNAs Visit our CRISPR topic page Learn the basics of CRISPR Download the CRISPR 101 eBook Resources...this evolving field! Find prime editing plasmids! Find plasmids from David Liu's lab! This post was originally...variants in most cell types. But prime editing, a CRISPR technique developed in David Liu’s lab in 2019,...considerably more precision and flexibility to the CRISPR editing world. The approach, originally published... location The prime editor extends the reach of CRISPR genome editing, as it can edit near to or far from...brief discussion of some of these strategies in our CRISPR guide. Some examples include: TwinPE: two prime...
  40. Addgene Welcomes John Doench to the Advisory Board

    Type
    Blog Post
    Published
    Aug. 13, 2015, 2:30 p.m.
    ...days.” Working with CRISPR Recently Doench has been working on developing CRISPR pooled libraries for...technology at the start of the CRISPR craze, but he says, “In the case of CRISPR, the hype was completely justified...biological process X, you can do with CRISPR technology...” and “with CRISPR, just the results are so much cleaner...Podcast.       Resources at Addgene Find CRISPR resources Find CRISPR pooled libraries Learn about other members...understanding, curation, and explanation of our CRISPR resources. We recently sat down with Dr. Doench...and has contributed much of his knowledge to the CRISPR resources at Addgene. His background in history... technology.” Doench thinks that the future of CRISPR will be in high throughput functional characterization...
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