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Showing: 41 - 60 of 561 results

  1. CRISPR 101: Cytosine Transversion Editors

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    Blog Post
    ...blog CRISPR 101: Cytosine and Adenine Base Editors Read about four base editor reporters CRISPR 101: ...Editing CRISPR 101: Cas9 Structural Biology Additional resources on Addgene.org Browse CRISPR plasmids...editing Get a broad overview with our CRISPR Guide Check out our CRISPR 101 ebook ...The first base editors revolutionized CRISPR gene editing. Cytosine base editors (CBEs) and adenine base...base editing tools First, let’s briefly review how CRISPR-derived base editing works in general. Base editors... on the outside of the enzyme. Figure 2: CRISPR R-loop. Created with BioRender.com. Base editors...stretch of ssDNA created by Cas9 binding. Pro tip! In CRISPR, the non-target strand is the DNA strand that does...

  2. Making CRISPR Plasmids Using Fragmid

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    Blog Post
    ....) CRISPR enzyme (Cas9 [sp], Cas9 [other], Cas12a, RNA-targeting) CRISPR mechanism (KO, CRISPRa, CRISPRi...If you’ve ever been looking for just the right CRISPR vectors on Addgene and found instead ones that ... for a quick, plug-and-play approach to cloning CRISPR vectors (McGee et al., 2024). It reduces the amount... represents a class of components, such as your CRISPR enzyme or Pol 2 promoter. The options available...the Fragmid system takes the heavy lifting out of CRISPR vector design, making it easier to get the vectors...Mammalian Lentivirus pRDA_722 (CMV-driven; lentiCRISPRv2-based; preferred over 512) Mammalian ...value for the user. Let's walk through designing a CRISPR vector the Fragmid way!    Figure 1: Selecting...

  3. CRISPR 101: Off-Target Effects

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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...for unintended consequences in an experiment. For CRISPR work, this often means DNA cleavage at unanticipated...will discuss when off-targets can be an issue in CRISPR, how to predict and minimize them, and ways to ...t be avoided. What are off-target effects? The CRISPR-Cas system is an RNA-guided nuclease that either...sequence similarity to the on-target site. When a CRISPR-Cas system localizes to unintended sites and performs...all. Let’s consider several scenarios below for a CRISPR experiment which involves making specific knock-out...

  4. CRISPR 101: Homology Directed Repair

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    Blog Post
    ...principles driving CRISPRs and genome editing technology. Links: Zhang Lab’s CRISPR FAQs CRISPR forum moderated...limitations of ssODNs is Easi-CRISPR (Quadros et al., 2017). Easi-CRISPR in vitro transcribes RNA encoding... for more in-depth information on HDR and CRISPR. Our CRISPR 101 series was designed to help explain the...Increased Efficiency of CRISPR/Cas-mediated Transgenesis (2018). Pubmed. CRISPR References: Genome engineering... to CRISPR applications. Singh P, et al. Genetics 114.169771; (2014). PubMed. The Use of CRISPR/Cas9...Efficiency for CRISPR Editing in Human Cells Resources on Addgene.org Browse All CRISPR Plasmids Find...Homology directed repair and genome engineering CRISPR-Cas9 has revolutionized the genome engineering ...

  5. CRISPR 101: Cas9 vs. The Other Cas(s)

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    Blog Post
    ...resources on the Addgene Blog CRISPR 101: Which Cas9 do I choose for my CRISPR experiment? The PAM requirement...expanding CRISPR beyond spCas9 Cas proteins More resources on the Addgene Website CRISPR Plasmids ...engineering workhorse You rarely hear the word ‘CRISPR’ without shortly thereafter hearing ‘Cas9’. The...targeting. RNA targeting Cas enzymes Move over Cas9, CRISPR isn’t just for DNA anymore! Cas enzymes have been...Deletions in Human Embryonic Stem Cells Using Type I CRISPR-Cas. Molecular Cell, 74(5): 936-950.e5 (2019). ...is a single RNA-guided endonuclease of a class 2 CRISPR-Cas system. Cell, 163(3): 759-771 (2015). 10.1016...et. al. Programmed DNA destruction by miniature CRISPR-Cas14 enzymes. Science, 362(6416): 839-842 (2018...

  6. Uncovering Ancestral Bias in CRISPR Research

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    Blog Post
    ...extension, race. Many researchers do large-scale CRISPR screens in cancer cell lines, looking to uncover... and Boehm labs pulled data from more than 1000 CRISPR screens in DepMap to see if they could identify...Since about 90% of the cell lines used in DepMap CRISPR screens are of either European or East Asian ancestry...it was coming through an unexpected source: the CRISPR guides, short pieces of RNA that bind to a cell...does the reference genome actually reference?  The CRISPR guides used in the screens they analyzed were designed...reference genome – even single mismatches within a CRISPR guide can prevent the guide from binding to the...map to thetargeting sequences of guides across 8 CRISPR libraries. Samples are divided into those of African...

  7. New CRISPR Tools: Cas7-11 and PASTE

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    Blog Post
    ... and Flexibility to CRISPR Engineering CRISPR 101: RNA Editing With Cas13  CRISPR Cheat Sheet Resources...RNA or DNA via a CRISPR mechanism. The weird black pellet's DNA yielded a new CRISPR effector protein ...has dual activities: processing pre-CRISPR RNA into mature CRISPR RNA and cleaving RNA at positions defined...DNA with CRISPR-driven precision into a genome, can be considered the fourth generation of CRISPR, one which... part of any revolutionary discovery, including CRISPR, is turning potential into impact. In molecular...been working on two tools that expand and exploit CRISPR, both of which we're featuring in today's blog....their quest to find, characterize, and develop new CRISPR systems and technologies, the AbuGoot lab often...

  8. What's New in CRISPR - November 2021

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    Blog Post
    ...blog Download the CRISPR 101 eBook Find our CRISPR 101 blog posts Read our CRISPR cheat sheet Resources...our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids Topics: CRISPR, Other...edition of “What’s New in CRISPR” - where we highlight a few of the newest CRISPR plasmids available at Addgene... read more content related to CRISPR technology, subscribe to our CRISPR blog content.   In this post ... Miniature CRISPR-Cas systems SEND plasmids Prime editing improvements Miniature CRISPR-Cas systems ...Pyhtila One drawback to the commonly used S. pyogenes CRISPR/Cas9 system is that it is too large to be effectively...provides a solution to this problem. A miniature CRISPR-Cas system for mammalian use Stanley Qi’s lab has...

  9. CRISPR 101: Multiplex Expression of gRNAs

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    Blog Post
    ...Tsang. CRISPR makes it easy to target multiple loci - a concept called multiplexing. Since CRISPR is such...the genome to modify, whether it be editing CRISPRi, CRISPRa, or base editing. Multiplexing gRNAs: the...Addgene.org Catch Up on Your CRISPR Background with Our Guide Pages Find CRISPR Plasmids for Your Research...components into a destination vector. The first step in CRISPR/Cas9 Golden Gate multiplexing is to clone the oligonucleotides...of genome editing events. Yamamoto Lab Multiplex CRISPR/Cas9 Assembly Kit: This kit is built for serious...Plasmid: This system allows you to assemble type II-A CRISPR arrays for dCas9-based transcriptional repression...plasmid contains a nontargeting spacer flanked by two CRISPR repeats. The spacer can be digested using BsaI,...

  10. CRISPR 101: RNA Editing with Cas13

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    Blog Post
    ... out our CRISPR Featured Topic Page Learn about RNA Targeting with Cas13a Learn about CRISPR DNA Base ...Resources on Addgene.org Browse All CRISPR Plasmids Check out our CRISPR Guide Pages ...enzymes are quickly becoming major players in the CRISPR field. Just a year after Feng Zhang’s lab identified...C2c2) (Abudayyeh et al., 2016) as a RNA-targeting CRISPR enzyme, they adapted Cas13b for precise RNA editing...programmable A to I (G) replacement) is the first CRISPR tool for RNA editing. Two years after that, the... targeting work with Cas13, REPAIR is the first CRISPR-based system to enable precise RNA editing. The...multiplexed manner to edit multiple RNAs. It’s clear that CRISPR RNA editors will open new doors for scientific ...

  11. CRISPR 101: Epigenetics and Editing the Epigenome

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    Blog Post
    ...deacetylases. CRISPR and epigenetics As with many TALEN-based technologies, the advent of CRISPR has made .... For an up-to-date list of CRISPR epigenetic tools, check out our CRISPR Epigenetics resource. Transcriptional...potential advantage of CRISPR epigenetic tools is their persistence and inheritance. CRISPR activators and repressors...modification at specific genomic loci is possible using CRISPR, and Addgene has a number of tools for this purpose...targeted to specific DNA sequences. Non-editing CRISPR applications direct catalytically dead dCas9 fused...double strand breaks. Below you'll find some of the CRISPR-based epigenetic modifiers available from Addgene...Epigenetic modification is certainly not the only CRISPR-based technology designed to alter gene expression...

  12. Fluorescent CRISPR Reporters: SRIRACCHA and GEmCherry2

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    Blog Post
    ... CRISPR 101 blog posts Resources on Addgene.org Read our CRISPR guide Find CRISPR plasmids for your ...If you’re using CRISPR to make a genome edit, how do you know if your CRISPR experiment was successful...all of our CRISPR blog posts Find more about fluorescent proteins Get a refresher on CRISPR with our CRISPR...other molecular cloning techniques to determine CRISPR/sgRNA efficiency of an experiment and confirm the...As Cas9/gRNA activity is crucial for successful CRISPR editing experiments, there was a real need in the...activity assays. Recently scientists have created CRISPR fluorescent reporter assays to quantify targeted.... In this blog we will focus on two fluorescent CRISPR reporter methods, SRIRACCHA and GEMCherry2. We ...

  13. What's New in CRISPR - March 2020

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    Blog Post
    ...blog Download the CRISPR 101 eBook Find our CRISPR 101 blog posts Read our CRISPR cheat sheet Resources...the new CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid...editing CRISPRi in Caulobacter crescentus Multiplexed gRNA for human pluripotent stem cells CRISPR-based...editor plasmids CRISPRi in Caulobacter crescentus Figure 1: Serial dilutions of CRISPRi in Caulobacter...human pluripotent stem cells. Previously, CRISPRi or CRISPRa depended on continued expression of dCas9...Resources on Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids...that this blog series will help you find more new CRISPR tools for your research! This time: Optogenetic...

  14. What's New in CRISPR - December 2019

    Type
    Blog Post
    ...more new CRISPR tools for your research! This time: CRISPRi in Burkholderia Base editors CRISPR toolkit...blog Download the CRISPR 101 eBook Find our CRISPR 101 blog posts Read our CRISPR cheat sheet Resources...the new CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid...editing CRISPRi toolkit for Burkholderia Silvia Cardona’s lab recently developed a CRISPRi toolkit for...Resources on Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids...Read the paper in ACS Synthetic Biology Find the CRISPRi toolkit SECURE adenine base editor Earlier this.... Read the paper in bioRxiv Find Target-ACE   CRISPR/Cas9-based toolkit for epitope tagging in neurons...

  15. Multiplex Genome Editing with CRISPR-Cpf1

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    Blog Post
    ...Multiplex gene editing with CRISPR-Cpf1 is one of the latest developments in CRISPR technologies.  It’s a simple... Cpf1: A New Tool for CRISPR Genome Editing Which Cas9 Do I Choose for My CRISPR Experiment A Match Made...Made in Heaven: CRISPR/Cas9 and AAV Resources on Addgene.org Browse Our CRISPR Multiplexing Resources...Resources Find CRISPR Plasmids for Your Research Catch up on Your CRISPR Background with Our Guide Pages ...also called Cas12a. There’s a new development for CRISPR-Cpf1 genome editing!  A recent paper from Feng ...Cpf1, check out this blog post or see Addgene's CRISPR guide page for a review of Cas9.  For a brief comparison...table below. Table 1. Comparing the Cas9 and Cpf1 CRISPR Nucleases   Cas9 Cpf1 Components crRNAtracrRNACas9...

  16. What's New in CRISPR - May 2019

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    Blog Post
    ...blog Download the CRISPR 101 eBook Find our CRISPR 101 blog posts Read our CRISPR cheat sheet Resources...the new CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid...help you find new CRISPR tools for your research! This time: E. coli genome-wide CRISPR inhibition Covalent...All-in-One AAV constructs CRISPR interference in Candida albicans A new CRISPR interference (CRIPSRi) platform...Resources on Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids...DNA template to Cas9 SECURE base editors Nme2Cas9 CRISPR interference in Candida albicans E. coli genome-wide...coli, the Chong Zhang lab developed a genome-scale CRISPR inhibition pooled library (~60,000 gRNAs) that ...

  17. Visualizing Genomic Loci with CRISPR-Sirius

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    Blog Post
    ... of these visualization tools is CRISPR-Sirius, the brightest CRISPR-based tool to date for visualizing...  Developing CRISPR-Sirius Recently, Hanhui Ma and the Thoru Pederson lab developed CRISPR-Sirius (Ma et...can be increased from 2-fold (by CRISPRainbow) to 3-fold with CRISPR-Sirius. Triple color detection With...Why try CRISPR-Sirius? With all the tools out there to visualize genomic loci, what makes CRISPR-Sirius... cells. Compared to its predecessor CRISPRainbow, CRISPR-Sirius is brighter making it suitable for observing...visualize genomic loci brightly, give CRISPR-Sirius a try. Find CRISPR-Sirius plasmids at Addgene. References... Download our CRISPR eBook Learn about fluorescent protein-based tools Read all CRISPR blog posts Resources...

  18. CRISPR-mediated Plant Base Editors

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    Blog Post
    ...Addgene.org Find all CRISPR plasmids and resources at Addgene Find CRISPR base editors Find CRISPR plasmids for...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,... 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... Bastian Minkenberg, and Yinong Yang. "Boosting CRISPR/Cas9 multiplex editing capability with the endogenous...

  19. What's New in CRISPR - Winter 2018

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    Blog Post
    ...Cas14 plasmids Anti-CRISPR proteins for optogenetic control of CRISPR-Cas9 Anti-CRISPR proteins that inhibit...blog Download the CRISPR 101 eBook Find our CRISPR 101 blog posts Read our CRISPR cheat sheet Resources...the new CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid... anti-CRISPR proteins for optogenetic control of CRISPR-Cas9. By combining AcrIIA4, a Streptococcus pyogenes...Resources on Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids...hope that this blog series will help you find new CRISPR tools for your research.     Improved nucleic...inhibit type II CRISPR systems were recently discovered in 2017. Now Dominik Niopek’s lab has adapted anti-CRISPR...

  20. What's New in CRISPR - September 2019

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    Blog Post
    ...metastasis CRISPR screen. The Chen Mouse Tumor Suppressor Gene CRISPR Knockout Library is an AAV CRISPR knockout...blog Download the CRISPR 101 eBook Find our CRISPR 101 blog posts Read our CRISPR cheat sheet Resources...the new CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid...CasX Drug inducible CRISPR/Cas9 activation E. coli genome-wide inhibition library CRISPR knockout libraries...Library CRISPR knockout libraries for cancer research The Sidi Chen lab recently published two CRISPR knockout...Metastasis CRISPR-Cpf1 Double Knockout Library Find the Mouse Tumor Suppressor Gene CRISPR Knockout Library...Resources on Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids...
Showing: 41 - 60 of 561 results