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  1. Addgene’s Top 10 Blog Posts from 2014

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    Blog Post
    ...Patrick CRISPR-Cas9 FAQs Answered! By Caroline LaManna Plasmids 101: What is a plasmid? By Margo...loved helping to answer your plasmid and cloning questions through our Plasmids 101 series and by responding...and improved. The CRISPR posts written by our guest bloggers, the experts in the CRISPR/Cas field, have ...Design Your gRNA for CRISPR Genome Editing By John Doench (Guest Blogger) Plasmids 101: Origin of Replication...Melina Fan Plasmids 101: The Promoter Region – Let's Go! By Kendall Morgan Plasmids 101: Mammalian...Joanne Kamens Plasmids 101: Antibiotic Resistance Genes By Marcy Patrick Plasmids 101: Yeast Vectors...as seen through the lens of Addgene’s blog and plasmid repository. Our blog is just over a year old, and...
  2. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

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    Blog Post
    ...genome-wide screening using CRISPR Resources on Addgene.org Find CRISPR plasmids and resources here Find...outperformed another CRISPR library with 6 sgRNAS, highlighting the benefit of sgRNA design in CRISPR libraries.... about CRISPR Kinome Libraries available at Addgene Learn about the advantages of pooled CRISPR libraries...genome-wide CRISPRko, CRISPRi, and CRISPRa libraries have been shown to outperform other popular CRISPR libraries...repressor (CRISPRi) or an activation domain (CRISPRa) to regulate gene expression. Some CRISPR libraries...generation libraries for genome-wide CRISPRa, CRISPRi, and CRISPR-Cas9 knockout genetic screens." bioRxiv...advantages of the optimized human CRISPR libraries. Brunello: human CRISPRko sgRNA library The Brunello library...
  3. 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...summer of 2013, a remarkable nine papers describing CRISPR/Cas9 genome engineering methods for C. elegans ...lab at the University of North Carolina has made CRISPR in C. elegans even easier - now, one can generate...approach Multiple features of C. elegans have made CRISPR/Cas9 so successful in this species, namely, the...transgene selection strategy for their C. elegans/CRISPR experiments, but this strategy required the use...sought to create a new and efficient selection-based CRISPR/Cas9 method to generate knock-ins on any genetic...This construct will serve as the repair template plasmid to create fluorescent and 3xFLAG-tag fusion proteins...
  4. Hot Plasmids and Viral Preps - September 2021

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    Blog Post
    ...find all of the CRISPR plasmids available from Addgene, head over to our CRISPR Plasmids and Resources ...s12915-020-00929-7    The CRISPR corner By Jennifer Tsang New CRISPR plasmids are always being added to...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...A new tool for enriching ABE-targeted cells The CRISPR Corner New ready-to-use viral preps   Improved... Xiao Wang Lab has recently deposited a set of plasmids that helps identify base edited cell populations...populations without end-point sequencing assays. These plasmids use “Cas9-mediated adenosine transient reporter...
  5. 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...ability to infiltrate cells. Options for CRISPR delivery include plasmid transfection, RNP electroporation, ...Nanoblades to Existing CRISPR Delivery Methods When compared head-to-head with existing CRISPR delivery technologies...delivery Learn about CRISPR delivery methods for mammalian cells Browse our CRISPR 101 blog post Resources...CRISPR is a simple and versatile tool for genome engineering, but its utility is dependent on its ability...pluripotent stem cells (hiPSCs). Nanoblades, a new CRISPR delivery method developed by the Ricci Lab and ...and the T. Ohlmann Lab, adds a covert tool to the CRISPR tool box.  Nanoblades are engineered murine leukemia...
  6. Back to Bacteria: CRISPR gRNA Multiplexing Using tRNAs

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    Blog Post
    ...Interested in using PTG plasmids in your research? Check out the PTG plasmids or plant expression systems.... PubMed.  Find the plasmids from this publication at Addgene Dimeric CRISPR RNA-guided FokI nucleases...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...Yinong Yang’s group did just that as part of their CRISPR work in rice plants. Yang was intrigued by the ...common to prokaryotes and eukaryotes. Though the plasmids made by Xie et. al are specifically designed for... a standard pol III-gRNA, which will facilitate CRISPR/Cas9 multiplexing in systems with limited packaging...
  7. Our Most Popular Blog Posts from 2019

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    Blog Post
    ...biology over the past year: CRISPR, optogenetics, chemogenetics, plasmids, fluorescent proteins, careers...blog posts from the year. 10. Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent Voltage...feature some recently deposited plasmids every quarter. The “hot plasmids” from last March were quite popular...behalf of scientists. 9. Plasmids 101: Positive and Negative Selection for Plasmid Cloning by Jennifer Tsang...and Flexibility to CRISPR Editing by Jennifer Tsang Prime editing is a new CRISPR technique from David...Addgene news Find the most recent plasmid blog posts Find the most recent CRISPR blog posts Resources at Addgene... about mNeonGreen, mTFP1, and mWasabi and find plasmids containing these fluorescent proteins at Addgene...
  8. 15 Years of Addgene: The Top 15 Plasmids

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    Blog Post
    ...other CRISPR plasmids are from the Zhang lab. In fact, the Zhang lab has shared over 40,000 CRISPR-Cas9...requested plasmids over the last 15 years - the majority of these being lentiviral or CRISPR tools. How...and an envelope expressing plasmid, such as our second most requested plasmid of all time, pMD2.G. Find...wide range of applications. This plasmid was the top requested plasmid of 2017. Find pMD2.G. pSpCas9(BB... top requested plasmid from 2016. You may notice the “V2.0” at the end of this plasmid which indicates...prior version of this plasmid. Indeed the first version is the 15th most popular plasmid of all time, but ...envelope expressing plasmid pMD2.G. Find pMDLg/pRPE. scramble shRNA - This plasmid from David Sabatini...
  9. Comparing Cas9 to NgAgo: Can the Argonautes Best CRISPR?

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    Blog Post
    ...Lab Browse the CRISPR Collection Find CRISPR Pooled Libraries  ...for short. Addgene has already distributed this plasmid all over the world, and the question on everyone...everyone’s minds is: could NgAgo replace CRISPR? Such a drastic shift won’t happen overnight, but there are...are a few reasons why you might choose NgAgo over CRISPR proteins Cas9 or Cpf1 - keep reading to learn more...identified NgAgo and showed that it can cleave plasmid and genomic DNA in a variety of mammalian cell ...homology-directed repair when a template is supplied. Find Plasmids from the NgAgo Publication at Addgene Cas9 and...targeting flexibility Unlike Cas9 and the other CRISPR enzymes, NgAgo does not require a PAM sequence,...
  10. Enhancing CRISPR Targeting Specificity with eSpCas9, SpCas9-HF1, & HypaCas9

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    ... Our CRISPR 101 Series Resources on the Addgene Website Find CRISPR Plasmids Browse our CRISPR Guide...evidenced by all the CRISPR publications, press, and plasmids out there, it’s obvious that CRISPR is a ground-...governs CRISPR-Cas9 targeting accuracy." Nature (2017). PubMed PMID: 28931002. Find plasmids from this...affecting our everyday lives very soon. Not only is CRISPR having effects on various biological disciplines... The off-target problem It is well known that CRISPR/Cas9 genome editing can result in unwanted changes...Berkeley set out to decrease the off target effects of CRISPR/Cas9 by altering the nuclease activity of the Cas9...Cas9 variant (HypaCas9) to the pool of enhanced CRISPR tools. In their work, Chen et al. 2017 used single...
  11. History of CRISPR Cas - A tale of survival and evolution

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    Blog Post
    ...check out Addgene’s CRISPR Guide or find CRISPR/Cas plasmids for your research. Do you have a cool idea or...blockbuster known as the CRISPR (clustered regularly interspaced palindromic repeats) Cas (CRISPR associated genes...them into the CRISPR sequence. Separate Cas proteins then express and process the CRISPR loci to generate...the challenge - Evolution of anti-CRISPR genes in phages The CRISPR/Cas adaptive immune system seems like...identified that neutralize CRISPR/Cas. Earlier this year, expression of 1 of 5 anti-CRISPR genes were found to...translatable to the other CRISPR subtypes. Still, the large and dynamic range of CRISPR systems between and ...to multiple plasmids used for various platform applications. For more information on CRISPR/Cas, check ...
  12. Hot Plasmids - January 2023

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    ...of the new plasmids, antibodies, and viral preps in the repository through our hot plasmids articles. ...Figure 3 Colognori et al 2022.   Find CRISPR Csm plasmids here! Colognori D, Trinidad M, Doudna JA.... missed something smokin'? You can pitch a Hot Plasmids section (antibodies and viral preps welcome!) ...here. Here's what you'll find in this post: CRISPR-Csm: A novel RNA targeting system Heat-inducible...N86/8R] ready-to-use antibody Hyperfolder YFP CRISPR-Csm: A novel RNA targeting system by: Susanna Stroik... a leg up on the alternatives - RNAi and Cas13. CRISPR-Csm doesn’t degrade proximal RNAs nor does it have... off-target effects, both of happen with Cas13. CRISPR-Csm degrades both nuclear and cytoplasmic mRNA ...
  13. CRISPR-Cas14: a family of small DNA-targeting enzymes enabling high-fidelity SNP genotyping

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    Blog Post
    ... to a CRISPR array and the universal CRISPR integrase, cas1. They discovered a family of CRISPR-Cas systems...Addgene.org Find the Cas14 plasmids here Checkout our CRISPR guide page Browse the CRISPR collection ...adjacent CRISPR array and intergenic regions containing the putative tracrRNA into a plasmid and expressed...about DETECTR Browse all of the CRISPR blog posts Download our CRISPR cheat sheet Resources on Addgene.org...genome of virtually any organisms on this planet, CRISPR-Cas systems were merely adaptive immune systems...other Cas proteins found in the so-called class 2 CRISPR-Cas systems. There are 24 variants of the cas14...predicted RuvC nuclease domain, characteristic of CRISPR-Cas enzymes. In contrast to other Cas enzymes, ...
  14. CasPEDIA: A Functional Classification of Cas Enzymes

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    Blog Post
    ...on Addgene.org CRISPR software and resources Addgene CRISPR Guide Addgene’s CRISPR 101 eBook More ...the Addgene blog CRISPR 101: Which Cas9 do I choose for my CRISPR experiment? CRISPR 101: Cas9 The Other...with any other required non-CRISPR-associated host factors required for CRISPR processing. For each enzyme...exact Cas9 plasmid used by Jinek et al. 2012, or browsing for the latest AsCas12a plasmids, Addgene and...Expanding CRISPR Beyond SpCas9 More resources from the Innovative Genomics Institute      CRISPRpedia IGI... gene targeting. Fast forward a decade, and the CRISPR field has exploded with dozens of Cas enzymes and...find a link to search Addgene's collection for plasmids containing that enzyme, and embedded in the References...
  15. CRISPR Protocol for Genomic Deletions in Mammalian Cell Lines [Video]

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    Blog Post
    .... More CRISPR Refereces: Browse CRISPR Plasmids CRISPR Information at Addgene More CRISPR-Cas Blog...reprint of the CRISPR article "Generation of Genomic Deletions in Mammalian Cell Lines via CRISPR/Cas9" from...procedures. The video details how to transfect CRISPR plasmids into MEL cells by electroporation, sort your...Orkin and Daniel Bauer's labs details the use of CRISPR/Cas9 to create genomic deletions in mammalian cell...discuss the motivations behind this research.   Using CRISPR/Cas9 for targeted genomic deletions We were inspired...collaboration with the Porteus lab [2]. With the advent of CRISPR/Cas9, we began to explore the paired double-strand...bear an indel or inversion mutation [3]. In the CRISPR era, the genomic landscape may be surveyed in unprecedented...
  16. Genome Engineering, CRISPR, and Research in Singapore: Interview with Wei Leong Chew

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    Blog Post
    ...Addgene.org Find CRISPR Plasmids Find Synthetic Biology Plasmids Browse our CRISPR Guide Pages ...Addgene Blog Visit our CRISPR featured topic page Check out our Hot Plasmids Podcast Listen to our interview...genome engineering. Chapter 1: Early research on CRISPR and what it's like to work in a competitive field... crispr...
  17. Degrading DNA with Cascade-Cas3

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    Blog Post
    ... blog CRISPR 101: Cas9 vs. The Other Cas(s) CRISPR 101: Anti-CRISPR Proteins Switch Off CRISPR-Cas Systems...Using CRISPR-Transposons Additional resources on Addgene.org CRISPR guide Cascade-Cas3 Plasmid collection...Cascade-Cas3 plasmids in Addgene's collection! A “complex” system Cas3 is part of the Class 1 CRISPR family,..., these types of CRISPR systems work using a multi-Cas complex called Cascade (CRISPR-associated complex...mechanical work for editing. Class 1 CRISPR systems make up the majority of CRISPR-based immune systems in bacteria...The versatility of CRISPR allows you to play with DNA in a number of ways, from small edits that change...derivative of Cas9, but the ever-expanding repertoire of CRISPR has brought many other Cas effectors to light. ...
  18. Introducing Addgene's New Search - Find Plasmids More Easily For Your Research!

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    ...for “CRISPRplasmids keeps more than half of these. Instead we can navigate first to the CRISPR Resources... best plasmid for your research can be a daunting challenge. With over 80,000 deposited plasmids from ...educational resources: plasmid, pooled library, blog posts, protocols, and more. Selecting crispr in Guides will...through to the plasmid search results: More than 200 different GCaMP containing plasmids are available...search tool lets you access plasmids from journal articles. From paper to plasmid Authors regularly indicate... to include specific plasmid ID numbers. If you know the ID number for a plasmid, your straightforward...page to see the plasmids deposited by our own CSO. But what if you don’t have plasmid ID numbers, or you...
  19. Hot Plasmids: Fall 2024

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    Blog Post
    ...of the new plasmids, antibodies, and viral preps in the repository through our Hot Plasmids articles.  ...disruption in Mycobacterium abscessus using a dual-plasmid CRISPR/Cas9 system By Aryana Khosravani Deborah Hung...Hung’s lab has developed a novel dual-plasmid CRISPR/Cas9 system for gene disruption in Mycobacterium ...first use of CRISPR/Cas9 in M. abscessus. The simplicity and efficiency of this dual-plasmid approach makes...     Figure 4. Overview of the dual-plasmid CRISPR/Cas9 workflow in M. abscessus. A) Sth1Cas9 ...cassette on a plasmid expressing mCherry and resistance selection marker HygR. The CRISPR system is induced...al., 2024 under CC-BY license.   Find plasmids for CRISPR/Cas9 in M. abscessus here! Neo D, Clatworthy...
  20. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

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    ...updated CRISPR Guide! Find CRISPR Plasmids for Your Research Browse gRNA Design Tools  ...became much more realistic with the advent of CRISPR. Using CRISPR/Cas9 SAM to "shock and kill" To “shock ...HIV-1 out of the genome with CRISPR/Cas9 Before the introduction of CRISPR, HIV-1 genome editing with ...Central PMCID: PMC4778041. Find CRISPR and lentiviral packaging plasmids used in this publication at Addgene...Treating Muscular Dystrophy with CRISPR Gene Editing Learn to Use CRISPR Pooled Libraries for Genome-Wide... to vanquish these hidden viral reservoirs, and CRISPR may be the way to accomplish this tough job! Kamel...University has demonstrated two potential strategies for CRISPR-HIV therapeutics - one using dCas9-SAM to activate...
Showing: 81 - 100 of 403 results