We narrowed to 243 results for: GRN
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TypeBlog Post...nickase, Cas9 activators, Cas9 repressors, select gRNAs, and CRISPR pooled libraries. Whether you’d like...
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Viral Vectors 101: Parts of the AAV Transfer Plasmid
TypeBlog Post...smaller CRISPR-Cas proteins such as SaCas9, CRISPR gRNAs, or your gene of interest. Promoter The promoter... -
Viral Vectors 101: What is a Virus (and a Viral Vector)?
TypeBlog Post...the case of retroviruses, reverse transcribe their gRNA into DNA, which is then transcribed into mRNA before... -
Three Tips for Preventing Viral Plasmid Recombination in Your Samples
TypeBlog Post... Z, Ma X, Wang N, Huo Y-X (2020) Reversed paired-gRNA plasmid cloning strategy for efficient genome editing... -
Behind-the-scenes of the Isolation of the Thermostable IgnaviCas9 From a Yellowstone Hot Spring
TypeBlog Post... protein is 1,241 amino acids long, has optimal sgRNA spacer length of 22-25 nts, and is thermostable ... -
Even more elegant: Single injection CRISPR/Cas9 in C. elegans
TypeBlog Post...3xFLAG-tag fusion proteins. The repair template and Cas9-sgRNA plasmid is then injected into the germline of young... -
Using CRISPR/Cas9 to Edit Disease Out of the Genome
TypeBlog Post...impact of off-target mutations, scientists are using sgRNA for selection and optimization. In addition, the... -
Hot Plasmids - September 2019 - CRISPR, Auxin Inducible Degradation, MerMAID Channelrhodopsins, and Genome Looping
TypeBlog Post...call the LADL Anchor. Using specifically designed gRNAs, they can then recruit these LADL Anchors to genomic... -
Improved Plasmid Maps Powered by SnapGene
TypeBlog Post...commonly used for Golden Gate cloning or for CRISPR gRNA cloning. With this more functional display, you... -
Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering
TypeBlog Post...with CasRx and either an unprocessed or processed gRNA array (22 nt spacer with 30 nt direct repeat) mediating... -
Viral Vectors 101: Gamma-Retroviral Packaging Systems
TypeBlog Post...γ-Retroviral transfer plasmid encoding a transgene, sgRNA, or shRNA of interest: The transgene sequence is... -
Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors
TypeBlog Post...Through molecular biology teamwork. The guide RNA (gRNA) specifies the editing target site on the DNA, the... -
Plasmids 101: Screens vs. Selections
TypeBlog Post..., genome-wide knockout screens are possible with gRNA libraries targeting all known genes. This is a perfect... -
How to Keep a Lab Notebook for Bioinformatic Analyses
TypeBlog Post...for Your Next Experiment Find Our List of CRISPR gRNA Design Tools ... -
dTAG - You're it!
TypeBlog Post...CRISPR plasmids for protein tagging Find validated gRNAs ... -
Hot Plasmids April 2018 - Protein Degradation, Nanoscopy, FIRE-Cas9, and Yeast Expression Tools
TypeBlog Post...genomic locus in any cell type. By varying which sgRNAs are used with FIRE-Cas9, experiments can be designed... -
CRISPR 101: Cas9 vs. The Other Cas(s)
TypeBlog Post...good reason. It is guided by an RNA molecule, the gRNA, to a complementary site in the genome where it ... -
Popular Retroviral Vectors and Their Uses in Scientific Research
TypeBlog Post... the Zhang lab expressing S. pyogenes Cas9 and a gRNA cassette. It can be used to produce a ~10-fold higher... -
Plasmids 101: In-house NGS Plasmid Quality Control Now at Addgene
TypeBlog Post...variable portion of the plasmid in the pool - ex. the gRNA in a CRISPR library. In general, our QC scientists... -
Hot Plasmids and Viral Preps - March 2021
TypeBlog Post... system developed by Taekjip Ha’s lab where Cas9-gRNA complex binds the target DNA without cleavage until... -
Hot Plasmids and Viral Preps - January 2021
TypeBlog Post...is mediated by recruitment of MS2-functionalized gRNAs. Find the yeast CRISPRa plasmids here Reduce ... -
Plasmids 101: Knockout/Knock-In Plasmids
TypeBlog Post...interest is difficult to target specifically with a gRNA). Be sure to keep these techniques in mind when ... -
Hot Plasmids: Winter 2025
TypeBlog Post...of PE protein components (Figure 1), an altered epegRNA delivered with an enhanced pU6cm promoter, viral... -
The AAVantages of AAV in CRISPR Screens
TypeBlog Post...dedicated to expressing Cas9, while the other houses the gRNA and scaffold. If you don’t feel like doubling the... -
Google Forums Round Up: First Impressions of NgAgo
TypeBlog Post...transfect/inject cells with in vitro preassembled Cas9/gRNA complexes or with guide RNA- and Cas9-expression... -
Sharing Your Lab Protocols: Using Apps to Save Time & Track Your Experiments
TypeBlog Post...protocol listed under “Supplemental Document”: gRNA_Cloning Vector (deposited by George Church’s lab). Addgene... -
CRISPR 101: RNA Editing with Cas13
TypeBlog Post...edit to be made when multiple As are present in the gRNA spacer, as ADAR will preferentially edit an adenine... -
CRISPR Antimicrobials
TypeBlog Post...Research Read Our CRISPR Guide Pages Find CRISPR gRNA Design Tools ... -
Twenty Years of Sharing: Expanding Accessibility
TypeBlog Post...Replication What is a Plasmid? How to Design Your gRNA for CRISPR Editing The Promoter Region - Let's Go... -
CRISPR-mediated Plant Base Editors
TypeBlog Post...expression system. We use a single polycistronic tRNA-gRNA (PTG) gene system to clone multiple protospacers... -
Viral Vectors 101: Preparing Pooled Libraries
TypeBlog Post...Addgene, including cDNA, barcoding, screening, and gRNA libraries. Most of the pooled libraries at Addgene... -
Fluorescent Proteins 101: When GFP lets you down
TypeBlog Post...can bind loci in the genome that are defined by a gRNA. Since Cas9 is a protein, a fusion with GFP allows... -
Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods
TypeBlog Post...linearized vector, the Cas9 enzyme along with a specific gRNA was used to cleave the 22kb vector. When followed... -
Hot Plasmids: Spring 2025
TypeBlog Post...scarless insertion of the payload (teal). The Cas9 gRNA targeting guide and the transposon RNA homology ... -
CRISPR 101: Epigenetics and Editing the Epigenome
TypeBlog Post...Check out Our CRISPR Guide Pages Find Validated gRNAs to Target Your Genomic Locus of Interest Browse ... -
A History of Genome Engineering in Popular Culture
TypeBlog Post... Using an elongated template + guide RNA called pegRNA (prime editing RNA), the prime editor can install... -
Typing CRISPR Systems
TypeBlog Post...Cas12 is unique because it can process multiple gRNAs under a single promoter, allowing for easy multiplexing... -
CRISPR Plasmids - Prime Edit
TypeCollection...find a gRNA vector based on expression system, promoter, the type of gRNA (e.g., pegRNA, epegRNA, nicking... dCas9-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila...using a prime editing guide RNA (pegRNA). As with a typical gRNA, the pegRNA is designed with a spacer that...PEmax to enhance pegRNA stability epegRNA - additional protection added to 3’ tail of pegRNA to prevent RNA...nicking sgRNA BbsI No Vermilion Norbert Perrimon 164423 pHSG1C3 Mammalian U6 pegRNA + nicking sgRNA BbsI ...BbsI for sgRNAs; BbsI + PstI for pegRNAs No Xiao Wang 170132 pOsU3 Plant OsU3 pegRNA BsaI + HindIII No Caixia...172716 pPEgRNA Bacteria J23119 (BBa_J23119) pegRNA SpeI + HindIII No Tilmann Weber 172717 pnsgRNA Bacteria... -
Zhang Lab CRISPR Page
TypeCollection...described here. #60224 - AAV:ITR-U6-sgRNA(Kras)-U6-sgRNA(p53)-U6-sgRNA(Lkb1)-pEFS-Rluc-2A-Cre-shortPA-KrasG12D_HDRdonor-ITR...lentiCRISPR - sgRNA and SpCas9 together 2 vector system - lentiCas9-Blast and lentiGuide-Puro (sgRNA) Browse...CMV-driven SaCas9; U6-driven sgRNA 61593 : PX602; TBG-driven SaCas9; U6-driven sgRNA 61592 : PX600; CMV-driven... SaCas9 sgRNA can be co-transfected as PCR amplicons using a protocol similar to SpCas9 sgRNA PCR (Ran... pAAV-U6::sgRNA(SapI)_hSyn-GFP-KASH-bGH (SpGuide acceptor). This is a AAV plasmid for sgRNA cloning. GFP-KASH...implemented by delivering Cre and sgRNA to a Cre-dependent mouse or sgRNA to a constitutively Cas9-expressing...control for AAV-KPL; sgRNA targeted to LacZ, plus luciferase-2A-Cre recombinase 60226 : sgRNA cloning backbone... -
CRISPR References and Information
TypeCollection...Cas9 ; pUC gRNA Shuttle PDF, 500 KB Sabatini and Lander gRNA cloning into pLX-sgRNA pLX-sgRNA PDF, 129 ...at Addgene Church gRNA design and cloning gRNA cloning vector PDF, 118 KB Church gRNA design and cloning...Nematode: Cas9 and gRNA use Cas9 (pIK86) ; gRNA empty backbone (pDR274) PDF, 89 KB Liu Fly: gRNA cloning pAc-...Chen and Wente Zebrafish: gRNA cloning, in vitro transcription, injection gRNA core ; Cas9 ; optimized ...optimized Cas9 PDF, 66.8 KB Fujii gRNA design and cloning gRNA cloning vector Retroviral vectors: neomycin (pSIR-neo...dCas9 PDF, 110 KB Goldstein Nematode: gRNA design and cloning Cas9-sgRNA construct PDF, 364 KB Goldstein Nematode... cells pCas9_GFP ; gRNA empty vector Protocol at StemBook O'Connor-Giles Fly: gRNA and ssODNs design and... -
Plan Your Experiment
TypeCollection...edit type, designing and cloning a gRNA, delivering Cas and the gRNA, and validating the edit.... system for Cas9 and the guide RNA (gRNA), the design of the gRNA sequence, and finally how to validate... proper gRNA design. While there are some cases where it makes sense to manually design a gRNA, in most...most cases gRNA design software is better and more efficient at designing potential gRNAs for you to choose...testing multiple gRNAs is a good idea for most CRISPR experiments, testing multiple pegRNA designs is particularly...your gRNA is the balance between on-target and off-target activity. In a perfect world, your gRNA sequence...mismatches between a given gRNA sequence and your genomic target may reduce the gRNA activity. Be sure to sequence... -
CRISPR Guide
TypeCollection... guide RNA ( gRNA or sgRNA ) and a CRISPR-associated endonuclease (Cas enzyme). The gRNA is a short synthetic...conversions using a prime editing guide RNA ( pegRNA ). Like sgRNA, pegRNA directs the nickase to the target site... of unique gRNAs. gRNA design for CRISPR libraries is usually optimized to select for gRNAs with high ...commonly referred to as an sgRNA. gRNA scaffold sequence The sequence within the gRNA that is responsible for...amplify a specific sequence of DNA pegRNA P rime E dit gRNA; a specialized gRNA containing an additional primer...Cas enzyme and a gRNA specific to the gene of interest. The genomic target of the gRNA can be any ~20 nucleotide...interactions between the gRNA scaffold and surface-exposed positively-charged grooves on Cas9. gRNA binding induces... -
CRISPR Plasmids - Plants
TypeCollection... dCas9-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila...conversions using a prime editing guide RNA (pegRNA). The pegRNA directs the nickase to the target site by...choose does not also express a gRNA, you will need to use a separate gRNA expression plasmid to target ...using does not also express a gRNA, you will need to use a separate gRNA expression plasmid to target ...Selectable Marker PI Publication Empty gRNA Expression Vectors Select a gRNA expression plasmid based on factors...-specific gRNA in the same cell at the same time. Single plasmids containing both the gRNA and Cas protein...pyogenes Bar Chen 53063 pU3-gRNA OsU3 AarI none S. pyogenes Gao 53061 pZmU3-gRNA maize U3 none S. pyogenes... -
CRISPR Plasmids - Mammalian Expression
TypeCollection... dCas9-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila...conversions using a prime editing guide RNA (pegRNA). The pegRNA directs the nickase to the target site by...choose does not also express a gRNA, you will need to use a separate gRNA expression plasmid to target ...using does not also express a gRNA, you will need to use a separate gRNA expression plasmid to target ...Publication Empty gRNA Expression Vectors You can use the tables on Addgene's Empty gRNA Vectors page to...-specific gRNA in the same cell at the same time. Single plasmids containing both the gRNA and Cas protein...double-strand break (DSB) at a specific location based on a gRNA-defined target sequence. DSBs are preferentially... -
CRISPR Plasmids - Bacteria
TypeCollection... dCas9-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila...conversions using a prime editing guide RNA (pegRNA). The pegRNA directs the nickase to the target site by...choose does not also express a gRNA, you will need to use a separate gRNA expression plasmid to target ...using does not also express a gRNA, you will need to use a separate gRNA expression plasmid to target ....1016/j.bbrc.2013.08.013. Empty gRNA Expression Vectors Select a gRNA expression plasmid based on factors...-specific gRNA in the same cell at the same time. Single plasmids containing both the gRNA and Cas protein...double-strand break (DSB) at a specific location based on a gRNA-defined target sequence. DSBs are preferentially... -
CRISPR Plasmids - Drosophila
TypeCollection... dCas9-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila...conversions using a prime editing guide RNA (pegRNA). The pegRNA directs the nickase to the target site by...choose does not also express a gRNA, you will need to use a separate gRNA expression plasmid to target ...Insert Promoter PI Publication Empty gRNA Expression Vectors Select a gRNA expression plasmid based on factors...-specific gRNA in the same cell at the same time. Single plasmids containing both the gRNA and Cas protein...CRISPR Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts The following CRISPR...double-strand break (DSB) at a specific location based on a gRNA-defined target sequence. DSBs are preferentially... -
CRISPR Plasmids - Yeast
TypeCollection... dCas9-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila...choose does not also express a gRNA, you will need to use a separate gRNA expression plasmid to target ...using does not also express a gRNA, you will need to use a separate gRNA expression plasmid to target ...Selectable Marker PI Publication Empty gRNA Expression Vectors Select a gRNA expression plasmid based on factors...-specific gRNA in the same cell at the same time. Single plasmids containing both the gRNA and Cas protein...CRISPR Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts The following CRISPR...double-strand break (DSB) at a specific location based on a gRNA-defined target sequence. DSBs are preferentially... -
Lentiviral Prep Service
TypeCollection...pooled libraries 73178 Human sgRNA library Brunello in lentiGuide-Puro Human sgRNA library in backbone lentiGuide-Puro... Doench , Root 73179 Human gRNA pooled library in lentiCRISPRv2 Human sgRNA library in backbone lentiCRISPRv2...Human CRISPRa sgRNA library Calabrese in backbone XPR_502 (P65 HSF), Set A Human CRISPRa sgRNA activation...containing 56,762 unique sgRNAs. This backbone does not contain dCas9. 56,762 unique sgRNAs targeting 18,885 ...pooled libraries 73633 Mouse sgRNA library Brie in lentiGuide-Puro Mouse sgRNA library in backbone lentiGuide-Puro...RNA guide (gRNA) that harbors targeting sequences. Browse our repository for a list of gRNA plasmids targeting...targeting 19,114 genes and containing 76,441 unique sgRNAs along with 1000 non-targeting controls. This backbone... -
CRISPR Plasmids - C. elegans
TypeCollection... dCas9-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila...choose does not also express a gRNA, you will need to use a separate gRNA expression plasmid to target ...Insert Promoter PI Publication Empty gRNA Expression Vectors Select a gRNA expression plasmid based on factors...-specific gRNA in the same cell at the same time. Single plasmids containing both the gRNA and Cas protein...CRISPR Resources CRISPR Guide Viral Preps Protocols gRNA Design Tools CRISPR Blog Posts The following CRISPR...double-strand break (DSB) at a specific location based on a gRNA-defined target sequence. DSBs are preferentially...flanking the DSB and a specific edit close to the gRNA PAM site. When a repair template is present, the... -
Genomic Deletions in Mammalian Cell Lines
TypeCollection...example, sgRNA-A’s protospacer sequence and PAM happen to fall on the bottom (Crick) strand while sgRNA-B’s...primers flanking each sgRNA target site (within 150 - 350 bp) to amplify the sgRNA target site to examine...complement: 1.0 μl sgRNA 24- or 25-mer oligo (100 μM; see step 1.4 ), 1.0 μl sgRNA 24- or 25-mer reverse...composed of a polyclonal population exposed to sgRNA-A and sgRNA-B (see step 5 ). The purpose of the following...delivery of a pair of chimeric single guide RNAs (sgRNAs) to create two double strand breaks (DSBs) at a...posted at the top of the page. CRISPR Design Design sgRNAs manually or using freely available online tools...non-coding elements. For creating a gene knockout, two sgRNA located within exons will enrich even monoallelic...