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We narrowed to 209 results for: crispr grnas

Showing: 141 - 160 of 209 results
  1. Fluorescent Tagging of Endogenous Genes with SapTrap

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    ... site specified by a guide RNA (gRNA) sequence. Users can design gRNAs to induce the break at a specific... other CRISPR/Cas systems used for endogenous protein tagging, please visit our website CRISPR/Cas Plasmids... of interest with a fluorescent protein fusion. CRISPR genome editing can help accomplish this goal. The...sequence (like GFP) can be inserted at the DSB. CRISPR has allowed scientists to tag and light up endogenous...better understand normal protein function. However, CRISPR protein tagging does have its limitations, especially...expensive and time consuming to individually generate gRNAs and homology arm repair templates containing the...plasmid assembly toolkit called SapTrap to improve CRISPR genomic tagging in C. elegans. SapTrap offers scientists...
  2. Top Requested Lentivirus and AAV of 2016

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    ...lentiviral inventory is based on CRISPR tools, though we do provide a few non-CRISPR related viral preps. Cas9...screens (using pooled CRISPR knockout libraries) and individual gene knockouts (using gRNA lentiviruses). Separating...expressing various gRNAs. It’s better to compare the phenotypic effects of expressing various gRNAs in a monoclonal...Cas9 is the headliner of most CRISPR applications and can be expressed from your cell line of choice after...in conjunction with a second vector that delivers gRNA, such as lentiGuide-Puro. The alternative single-vector...single-vector systems typically express Cas9 and a gRNA from the same plasmid. LentiCas9-blast virus can be... Separating Cas9 and the gRNA into two constructs (i.e., using a dual-vector system as opposed to a single-vector...
  3. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

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    ...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...Resources on Addgene.org Get the basics about CRISPR in our CRISPR guide Browse our entire COVID-19 plasmid...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 ... Cas13, upon finding complementarity between the gRNA and a given fluorescently labelled substrate, gets...
  4. Degrading DNA with Cascade-Cas3

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    ... blog CRISPR 101: Cas9 vs. The Other Cas(s) CRISPR 101: Anti-CRISPR Proteins Switch Off CRISPR-Cas Systems..., 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... Engineering Using CRISPR-Transposons Additional resources on Addgene.org CRISPR guide Cascade-Cas3 ...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. ... A "complex" system Cas3 is part of the Class 1 CRISPR family, which means it requires multiple Cas effectors...
  5. 27 Hot Plasmids from 2016

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    ...PMID: 23328393 Wu lab human lentiviral CRISPR library     CRISPR pooled libraries enable researchers to...HEK293FT cells expressing a single gRNA targeting a single gene. The gRNA expressing cells were then transfected...Drosophila CRISPR library Addgene has had the privilege of distributing several human and murine CRISPR pooled... Toronto KnockOut (TKO) CRISPR Library. This complex second-generation CRISPR lentiviral library targets...library” that contains ~90,000 gRNAs that target ~15,000 genes with 6 gRNAs per gene. The second is a "supplementary...contains an additional 6 gRNAs per gene generated using slightly relaxed gRNA design parameters. To demonstrate...as an interactive gRNA viewer. The Moffat lab has also deposited their Cas9 and gRNA backbone plasmids...
  6. Hot Plasmids and Viral Preps - July 2021

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    ...article: CRISPR-based editing in organoid Biosensors for detecting strigolactones The CRISPR Corner New...10.1021/acssynbio.0c00192   The CRISPR corner By Jennifer Tsang New CRISPR plasmids are always being added...To find all of the CRISPR plasmids available from Addgene, head over to our CRISPR Plasmids and Resources... lentiviral CRISPR library from Alec Kimmelman targets mouse metabolic genes with ~6 gRNAs per gene.  ...genome-wide CRISPR knockout library from Xiaole Shirley Liu's lab targets all mouse genes with 10 gRNAs per gene...New ready-to-use viral preps New toolkit for CRISPR-based genome editing in organoids By Ashley Waldron..., organoid users have recently begun to develop CRISPR-based approaches for studying gene function in ...
  7. Adeno-associated Viruses (AAVs) for Genome Editing

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    ...adeno-cre. AAV-based gene editing compared to CRISPR editing CRISPR, of course, has started a revolution in ...whether to use AAV or CRISPR for a given experimental approach. First, unlike CRISPR, the AAV-based approach...AAVs with CRISPR systems. Ohmori et al 2017 use a dual vector system composed of SaCas9 and a gRNA in one...Guest blogger Todd Waldman, Professor at Georgetown University, contributed to this post. Adeno-associated...in gene editing. However, while CRISPR is remarkably effective for introducing non-sequence specific frameshift...proven more challenging to develop high efficiency CRISPR-based approaches for the generation of knockins...simultaneously in the same cell, are more appropriate for a CRISPR-based approach. Second, the AAV preps generally...
  8. 15 Years of Addgene: The Top 15 Plasmids

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    ...other CRISPR plasmids are from the Zhang lab. In fact, the Zhang lab has shared over 40,000 CRISPR-Cas9...years - the majority of these being lentiviral or CRISPR tools. How many times have these plasmids been ...from the Zhang lab is used to deliver Cas9 and your gRNA of interest into mammalian cells. This vector was...10 fold higher titer virus, making it ideal for CRISPR pooled library screening experiments. Find lentiCRISPR...mammalian vector that expresses both SpCas9 and your gRNAs and was also the top requested plasmid from 2016...lentiGuide-Puro - This plasmid expresses the S. pyogenes CRISPR chimeric RNA element with customizable sgRNA from...-GFP (PX461) expresses both a Cas9 protein and a gRNA. But instead of Cas9, this plasmid expresses Cas9n...
  9. CasPEDIA: A Functional Classification of Cas Enzymes

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    ...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... gene targeting. Fast forward a decade, and the CRISPR field has exploded with dozens of Cas enzymes and...properties (CasID): Cis/trans activity, PAM requirement, gRNA, and multiplex ability Experimental guidelines ...Target requirements As we all know, a Cas guided by a gRNA is useless without an adjacent PAM or protospacer-flanking...etc.) as well as their orientation relative to the gRNA (5’ or 3’). In some cases, there is no requirement...
  10. Plasmids 101: Golden Gate Cloning

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    ...create a single gRNA-expressing plasmid, but it can also be adapted to express multiple gRNAs. Addgene has...Gate-based gRNA assembly methods available, which allow you to efficiently clone up to 7 gRNAs into one ...’s restriction cloning guide! CRISPR 101: Multiplex Expression of gRNAs Choosing a Molecular Cloning Technique...efficiently in just a few steps. More recently, CRISPR technology has adapted Golden Gate cloning for ...inserting the appropriate oligonucleotides specifying a gRNA target sequence into a Cas9-containing plasmid such... you are using the Golden Gate method to create CRISPR/Cas9 constructs, assemble standard plasmids parts...
  11. Hot Plasmids - October 2020

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    ....107804 The CRISPR corner By Jennifer Tsang Here are a few highlights from recent CRISPR plasmids. To...To find all of the CRISPR plasmids available from Addgene, head over to our CRISPR Plasmids and Resources... Addgene The Human GlycoGene CRISPR Library is a new lentiviral CRISPR library that targets human glycosyltransferase... Cas9-Cas12a gRNAs under a single U6 promoter. The paralog and dual-targeting hybrid gRNA library can ...Fluorescent timers for studying cell cycle length The CRISPR corner New from the viral service Labeling excitatory...arrays can lead to artifacts due to overexpression. CRISPR can insert the FP gene into the target gene’s native...introducing large genetic changes in C. elegans with CRISPR can be difficult since it requires the much less...
  12. Another Pathway into Cells: iTOP

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    ...iTOP would be compatible with CRISPR/Cas9 genome editing. Although CRISPR/Cas9 is all the rage, they had... Primary cells recapitulate the natural biology of a cell type of interest better than immortalized lines...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...iTOP efficiently took up both Cas9 protein and a gRNA (yes, iTOP can also be used for RNA transduction...stemness, indicating that iTOP may be valuable for CRISPR/Cas9 stem cell editing. The small molecule...of iTOP. iTOP can be used to transduce Cas9 and a gRNA, which subsequently enter the nucleus and cleave...
  13. Editor's Choice, August 2016

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    ...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...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...the transitions at target sequences specified by gRNAs. Caveats, potential specificity issues, and other...Google Forums Round Up: First Impressions of NgAgo CRISPR Between the Genes: How to Experiment with Enhancers...
  14. Twelve Amazing Guest Blog Contributors!

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    ...about recent CRISPR deposits from Arlene Sharpe’s lab. X-Chime and Performing In Vivo CRISPR Screens Using...software that predicts efficiencies of prime editing gRNAs.   PRIDICT Harvinder Virk and Michael Biddle, ...
  15. X-CHIME: Context Dependent Germline Knockout in Immune Cells

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    ...Design Your gRNA for CRISPR Genome Editing CRISPR Cheat Sheat Resources from Addgene.org CRISPR Guide CRISPR...time-consuming, as it only changes one gene at a time. CRISPR-based systems enable gene knockout in immune cells...stem cells with a lentiviral vector containing a gRNA. These transduced stem cells can be implanted in...and in combination with different genes. Having CRISPR systems for assessing genes in defined contexts.... G., Haining, W. N., & Sharpe, A. H. (2019). A CRISPR-Cas9 delivery system for in vivo screening of genes...
  16. CASTing Off for New Shores in Human Genome Editing

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    ...nuclease-deficient CRISPR-Cas system identifies and binds a genomic target using a gRNA, and an affiliated...Engineering Using CRISPR-Transposons Degrading DNA with Cascade-Cas3 Typing CRISPR Systems Prime Editing... Flexibility to CRISPR Editing Additional resources on Addgene.org Addgene's CRISPR Guide (Jump to Large...hardly seems like we finish writing about one dual CRISPR-transposon system before another exciting new advance...emerges! The programmability and targeting power of CRISPR combined with the large sequence capacity of transposons...arrival on the scene is called evoCAST — an evolved CRISPR-associated transposase (CAST). Back up a second...transposons captured and repurposed nuclease-deficient CRISPR-Cas systems to help them spread through bacterial...
  17. Hot Plasmids and Viral Preps - May 2021

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    ...2021.01.30.428974   The CRISPR corner By Jennifer Tsang Here are a few highlights from recent CRISPR plasmids. To...To find all of the CRISPR plasmids available from Addgene, head over to our CRISPR Plasmids and Resources... light to deactivate photocleavable gRNAs within seconds. A CRISPR-based lineage tracing tool captures...per gene where gRNA expression is induced by anhydrous tetracycline. Three new anti-CRISPRs were identified...Nanocompartments for yeast bioproduction pathways The CRISPR corner New ready-to-use viral preps Mapping antibody...series of vectors and DNA modules for assembly of CRISPR/Cas9 constructs. zCas9i is a high efficiency intron-optimized...
  18. Hot Plasmids: February 2026

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    ...Wine and dine using CRISPR knockout libraries By Alyssa Shepard Connoisseurs of CRISPR knockout screens ...of data you can get from your CRISPR screen (Figure 5). First, the gRNAs for the Jacquere and Julianna...month, check out hot new AAV packaging plasmids, CRISPR libraries, and more! Read on to learn more about...with a single stop codon Improved mouse and human CRISPR knockout libraries Neurexin and Neuroligin antibodies...expert pairing of Jacquere and Julianna, lentiviral CRISPR knockout libraries for genome-wide screens in humans...targets for each species. Second, they use updated gRNA design models, to balance on-target activity with...variations in the tracrRNA, the structural sequence of a gRNA. The Jacquere library was tested in two human cell...
  19. PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs

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    ...Design Your gRNA for CRISPR Genome Editing PRIME Editing: Adding Precision and Flexibility to CRISPR Editing...Resources on Addgene.org CRISPR: PRIME Edit Collection The CRISPR Guide Empty gRNA Expression Vectors...models. In addition, we provide options for nicking gRNAs (used for PE3 and PE5 prime editing strategies) ...
  20. 15 Hot Plasmids from 2017

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    ...to increase CRISPR editing efficiency across multiple CRISPR enzymes. Plasmids for CRISPR coselection ...podcast segment on CRISPR tools for plants CRISPR inhibitors Bacteria utilize CRISPR Cas9 systems to defend...on Coselection with Ouabain New CRISPR base editors The popular CRISPR base editing technique uses dCas9...back using CRISPR inhibitors. Several such inhibitors have been characterized for type I CRISPR systems,... et al. PLoS ONE. 2017. PubMed PMID: 28241009 CRISPR coselection with ouabain increases editing efficiency...Doyon’s lab has developed a new method to increase CRISPR editing efficiency in mammalian cells. Their marker-free..., ouabain selection enriches the population for CRISPR edits and improves editing efficiency. Importantly...
Showing: 141 - 160 of 209 results