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  1. CRISPR 101: Multiplex Expression of gRNAs

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    ... single gRNA. You’ll clone in the first gRNA using restriction enzyme BbsI and the second gRNA using restriction...cleave the gRNAs. gRNAs are flanked by glycine tRNAs to create polycistronic glycine tRNA-gRNA (PTG) constructs...Gibson Assembly. Using BsaI, gRNAs are cloned into one of 12 pYLsGRNA plasmids, which contain various promoters...   Why use multiplexed gRNAs? By expressing multiple gRNAs on the same plasmid, you’ll make sure that ... this plasmid, you simply order oligonucleotides for your chosen gRNA target sequences and clone them ...Drosophila, a two-gRNA expressing plasmid is available from the Bullock lab, and gRNAs can be inserted ... Figure 2: gRNA target sequences (colored rectangles) are cloned into various plasmids using oligonucleotides...
  2. PITChing MMEJ as an Alternative Route for Gene Editing

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    ...the PITCh-gRNA, and the locus-specifc gRNA. The PITCh-gRNA creates two DSBs in the PITCh plasmid to release...PITCh vector via In-Fusion or SLIC cloning. Step 2: Design an insertion locus-specific gRNA The gRNA should...ideal use, this gRNA should be cloned into a vector containing Cas9 and the PITCh-gRNA. Step 3: Contransfect...Contransfect the PITCh vector with the vector carrying Cas9 and the PITCh- and locus-specific gRNAs Step 4: Select... Our CRISPR Guide Pages Find CRISPR Plasmids for Your Experiments Deposit Your New Plasmid Tools with ...induced via a generic PITCh-gRNA; the third break by an insertion locus-specific gRNA. These double stranded...which facilitates easier cloning. An overview of PITCh. The PITCh plasmid contains a GFP-Puro cassette...
  3. 15 Years of Addgene: The Top 15 Plasmids

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    ...mammalian RNAi experiments.  Find the scrambled shRNA vector. pLKO.1 - TRC cloning vector - This vector from...Pro-tip: this plasmid grows more slowly than standard plasmids. Find pLKO.1 - TRC cloning vector. Tet-pLKO-puro...lentiviral vectors and an envelope expressing plasmid, such as our second most requested plasmid of all time... pair of annealed oligos can be cloned to create a chimeric guide RNA. Find pX330-U6-Chimeric_BB-CBh-hSpCas9... This plasmid from the Zhang lab is a mammalian vector that expresses both SpCas9 and your gRNAs and was...envelope expressing plasmid pMD2.G. Find pMDLg/pRPE. scramble shRNA - This plasmid from David Sabatini...generation lentiviral transfer plasmid for cloning and expressing new shRNA sequences. For more information...
  4. Plasmids 101: Golden Gate Cloning

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    ...Advantages of Golden Gate cloning Golden Gate cloning is one of the easiest cloning methods in terms of hands-on...containing plasmid such as pX330. This cloning strategy not only makes it easy to create a single gRNA-expressing...Gate-based gRNA assembly methods available, which allow you to efficiently clone up to 7 gRNAs into one destination...destination vector, making multiplexing easy.  Disadvantages of Golden Gate cloning Golden Gate cloning is not...  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... and easy-to-use system to your cloning efforts. Golden Gate cloning technology relies on Type IIS restriction...
  5. Pairing CombiGEM and CRISPR for Combinatorial Genetic Screening

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    ...which one can design and synthesize CRISPR guide RNAs (gRNAs) for genome editing in large-scale has led...lentiviral plasmids containing one or more gRNAs. As each ligation reaction uses a pool of gRNAs as starting...containing combinations of different gRNAs in each plasmid. Each gRNA combination can be tracked and quantitatively...20-bp gRNA target sequence and its 8-bp barcode, respectively. Once cloned into the storage vector, the...pAWp12 (Figure 2). Cloning from the pAWp28 storage vector to the pAWp12 lentiviral vector should retain the...pool of lentiviral plasmids. Multiple rounds of digestion and ligation result in plasmid libraries containing...and constantly improve gRNA libraries, excellent resources with effective gRNAs are publicly available...
  6. 27 Hot Plasmids from 2016

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    ...assembly to produce single plasmid targeting vectors that encode both a guide RNA transcript and a repair.... The vectors were based on the original EasyClone vectors (Jensen et al 2013) allow for cloning of up...interest and cloned into provided destination vectors using low-cost, one-pot golden gate cloning that results...interactive gRNA viewer. The Moffat lab has also deposited their Cas9 and gRNA backbone plasmids with Addgene...Neurosci 2016. PubMed PMID: 26950006 Plasmid ID Plasmid Name Plasmid Type 74309 pcDNA3.0-TRPV4-p2A-ferritin-p2A-mCherry...express Cas9 with a library of sgRNA expression vectors (containing ten guides against each of the 8,158 predicted...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These brief articles...
  7. Tips for CRISPR Gene Editing in Mice

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    ...pCAG-EGXXFP plasmid along with the individual gRNAs in their PX330 plasmids (or similar plasmids for gRNA expression... can clone the PCR products into a pBluescript cloning vector and sequence the resulting plasmid. It ... target plasmid and pX330-sgRNA plasmid (Mashiko et al. 2013). The pCAG-EGxxFP target plasmid contains...pronuclear injection of circular plasmid expressing Cas9 and single guided RNA." Scientific reports 3 (2013...target sgRNA can be cloned directionally into the BbsI site. (c) The pCAG-EGxxFP target plasmid was co-transfected...will outline a simple method for selecting the guide RNA, validating its efficacy in vitro, and using it...many previously validated gRNAs at Addgene. In vitro screening for the best gRNA Figure 1: Validation...
  8. Multiplex Genome Editing with CRISPR-Cpf1

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    ...with a pool of plasmids that contained one crRNA per plasmid plus a Cpf1 expression vector.  See the graph...Assembly transfection One vector expresses Cas9 and up to 7 gRNAs Each gRNA requires its own promoter...lentiviral transduction One vector expresses Cas9, eGFP, and up to 4 gRNAs Each gRNA requires its own promoter...transfection of single plasmids vs pooled plasmids; for multiple edits, single plasmids are generally more...kbsaCas9: ~3 kb ~3.9kb crRNA/gRNA length gRNA: ~100 nt crNA: ~42 nt Requires tracrRNA? Yes No dsDNA cleavage...process its own pre-crRNA arrays simplifies the crRNA cloning process. For cloning, Zetsche et al used...rely on transfection of more than one vector to express the gRNAs and Cas9. Co-transfections can lead to...
  9. What's New in CRISPR - Spring 2019

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    ...genome editing plasmids String assembly gRNA cloning (STAgR) String assembly gRNA cloning (STAgR), developed...single step gRNA multiplexing system that generates vectors containing high numbers of gRNAs in one overnight...Read our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid tools...reaction. STAgR is highly customizable as vector backbones, and gRNA structure, numbers, and promoters can...Read the paper in PLoS One Find the STAgR cloning plasmids Mobile-CRISPRi allows CRISPRi experiments...between the gRNA and target. Read the paper in Development Find the Valcyrie plasmids If you have...
  10. Your Top Requested Plasmid in 2015!

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    ...a single empty vector and in pooled libraries containing thousands of pre-cloned gRNAs. DNA aliquots of...v2 is a lentiviral transfer vector used to deliver both Cas9 and your gRNA of interest to mammalian cells...Screening Using CRISPR/Cas9. If you need help cloning a gRNA into lentiCRISPR v2, you can take a look at...CRISPR Plasmids to Mammalian Cells Resources on the Addgene Website Visit our Lentiviral Guide Pages ...from our repository to find our most requested plasmid in 2015. In line with all of the exciting developments... past year, we're excited to announce that the plasmid most requested from the Addgene repository in 2015...lab at the Broad Institute and was designed and cloned by Neville Sanjana. This fantastic research tool...
  11. Pushing the Limits of DNA Assembly

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    ...Gateway Cloning Gibson Assembly and Other Long-Homology Based Cloning Methods Screen Plasmids by Colony...single-stranded synthetic oligo to generate a single-guide RNA (sgRNA). Using only one single-stranded oligo, instead... and generate constructs for producing single-guide RNAs – but it also allows you to skip purification... scarless plasmid inserts.  Want to Learn More about DNA Assembly? Check Out Our Plasmids 101 eBook!...any well-executed cloning endeavor, NEBuilder requires upfront planning. This cloning methodology requires...as easy as obtaining a plasmid with the gene of interest (search Addgene plasmids by gene here), designing...linearized vector for seamless joining of multiple mutations spread over thousands of base pairs. Cloning sgRNAs...
  12. Popular Retroviral Vectors and Their Uses in Scientific Research

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    ...expression.  Cloning and expressing RNAi pMKO.1 puro (Plasmid #8452) RNA interference (RNAi) is an RNA-mediated...Addgene blog Viral vector topic page Beginners guide to viral vectors Quick guide to all things lentivirus...backbones) here. Cloning and expressing new shRNA sequences pLKO (Plasmid #10878) This plasmid has been used...Transfer Vectors   Expressing your gene of interest pMKO.1 GFP (Plasmid #10676) Retroviral vector for cloning...use the pLKO.1 vector can be found here. Cre-Lox technology Puro.Cre empty vector (Plasmid #17408)   This...building block Entry vectors and 5 lentiviral Destination vectors. These vectors can induce combinatorial...research purposes, retroviral vectors have been developed into ‘split-vector systems’ by separating viral...
  13. 22 Hot Plasmid Technologies from 2014

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    ... are cloned into Golden Gate entry vectors via traditional restriction enzyme cloning, TA cloning, or ...recombination vectors. The efficient and flexible cloning process provides improvements to classical cloning methods...reporter plasmid for scientists to validate the efficacy of their gRNAs. The first step is to clone the target... the pOSIP (one-step integration plasmid) series of plasmids, vectors that convey both the sequence to...homology between the vector and gene primer for SLIC cloning. Amplify the pCoofy vector and the sequence ...for recombination in SLIC cloning to form the desired vector. The pCoofy vectors contain the ccdB cassette... Hot Plasmid list. Other popular plasmids & blog posts @Addgene: The 10 Most Distributed Plasmid Technologies...
  14. How to Deposit Your Plasmids with Addgene

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    ...tags, or cloning information for each insert.  Encodes gRNA/shRNA A plasmid with one or more gRNA or shRNA...Unpublished or pre-publication plasmids": Unpublished plasmids or plasmids that will not be published are...and entering a plasmid name,plasmid type, and plasmid description/experimental purpose (right). On the...with your plasmids, and adding all the plasmids at once increases the likelihood that the plasmids are given...indicate the gene cloned into your plasmid, any tags or fusion proteins contained in the plasmid, any mutations... part of the insert (when cloned into the vector backbone). If your plasmid has more than one insert, ...(s). Step 3: Cloning Information Please enter the name of the vector backbone you cloned your insert into...
  15. Plasmids 101: Modular Cloning

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    ...been in the cloning trenches yourself. Modular cloning, or MoClo, is a systematic cloning strategy designed...As a plasmid repository, we are no strangers to cloning. If you’re reading this, then chances are you...experiments it enables. What is modular cloning? Modular cloning, or MoClo, is an organization scheme for... MoClo reactions use Golden Gate cloning, not all Golden Gate cloning is MoClo. That’s because MoClo specifically...Level 0: Cloning of basic parts (promoters, UTRs, genes, tags, etc.) into MoClo-compatible vectors. Level...many gRNAs delivered with a relevant Cas nuclease. MoClo can be used to assemble multiplexed gRNA systems...Resources on Addgene.org Addgene’s Modular Cloning Guide EcoFlex MoClo Kit CIDAR MoClo Kit MoClo Plant...
  16. Introducing an All-in-One CRISPR/Cas9 Vector System for Multiplex Genome Engineering

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    ...for all-in-one CRISPR/Cas9 vectors expressing up to seven guide RNAs (gRNAs). Sakuma said that the new...Golden Gate cloning method to ligate expression cassettes of the gRNAs into a single vector in tandem. ... to Design Your gRNA for CRISPR Genome Editing CRISPR-Cas9: Tips for Optimizing sgRNA Activity Lentiviral...A newly established all-in-one vector construction system for CRISPR/Cas9-mediated multiplex genome engineering...systematically established way of making an all-in-one vector for multiplex genome engineering.” Now, they’...Schematic overview of the all-in-one CRISPR/Cas9 vector construction system for multiplex genome engineering...their CRISPR/Cas9-nuclease and CRISPR/Cas9-nickase vectors work successfully to target multiple sites in cultured...
  17. Quickest Way to Deposit Plasmids: The Deposit Spreadsheet

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    ...calcium.”  Primary Vector Type The vector type should describe how your plasmid is intended to be used...type in “Vector Type Other” column. For example, you may enter “donor template vector”. Cloning Method...Choose from: Gateway cloning, gene synthesis, Gibson cloning, ligation-independent cloning, restriction enzyme...possible, we propagate plasmids in the standard cloning strain DH5α. For plasmids with highly repetitive...Addgene Plasmids Searchable and Sortable gRNAs for Your Next CRISPR Experiment Suggest A Plasmid You'd ... in your lab. Plasmid Type Choose from: Encodes one insert, encodes gRNA/shRNA, or empty backbone...account username. In order for the plasmids to appear in your Addgene account under My Plasmids, we need...
  18. Your Top Requested Plasmid in 2016!

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    ... last year, the top requested plasmid from 2016 is an expression vector for CRISPR nuclease, SpCas9 from...mammalian expression vector that you can use to express both SpCas9 and your gRNA in a variety of mammalian...NGG3' PAM sequence as directed by a gRNA. 2A-Puro In this plasmid, SpCas9 is fused to the puromycin resistance...promoter, this plasmid has a U6 promoter followed by BbsI restriction sites into which you can clone your 20 ...20 nucleotide guide sequence of choice (for generation of a gRNA that will target SpCas9 to the approrpriate...mammalian expression vector that you can use to express both SpCas9 and your gRNA of interest in a variety... CRISPR Plasmids to Mammalian Cells Resources on the Addgene Website Visit our CRISPR Guide Pages Browse...
  19. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

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    ...contains an aTet-inducible gRNA and a backbone-targeting gRNA cassette for plasmid curing through "self-destruction...Tet-inducible, and a gRNA can be cloned easily into pRH2521 using BbsI. This system results in 80-90% RNA knockdown...Pseudomonas syringae. These vectors contain BsaI sites for easy cloning of a gRNA of interest. Cytidine and.... citrea scarless editing plasmids Sheng Yang’s lab describes a two-plasmid system that combines recombineering...custom spacers/gRNAs are easily inserted using BbsI and Golden Gate Assembly. Either plasmid can be also ...INTEGRATE (Insertion of Transposable Elements by Guide RNA-Assisted Targeting) and the Zhang lab's system...anhydro-tetracycline (aTc). By cloning in two tandem copies of the gRNA cassette, one can reliably knockdown...
  20. Cpf1 Update: Comparison to Cas9 and NgAgo

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    ...Cpf1 Plasmids at Addgene   Image attribution: Zetsche, Bernd, et al. "Cpf1 is a single RNA-guided...through homology-directed repair. Both Cpf1 and its guide RNAs are smaller than their SpCas9 counterparts, so...deliver in low-capacity vectors like AAV. AAV (adeno-associated viral vectors) are commonly used for in...nucleases should fit well into AAV vectors, especially given that Cpf1 gRNAs are also shorter than those needed...tolerate mismatches at gRNA positions 1, 8, 9, and 19-23. Accordingly, the 3’ end of the gRNA target sequence...Regev A, Koonin EV, Zhang F. Cpf1 Is a Single RNA-Guided Endonuclease of a Class 2 CRISPR-Cas System. ...Use piggyBac Vectors in Genome Editing Resources on Addgene.org Check Out Our CRISPR Guide Pages Check...
Showing: 1 - 20 of 72 results