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New CRISPR Web Resources and #12DaysofCRISPR Recap

Posted by Mary Gearing on Dec 12, 2017 10:13:34 AM

Since the start of the CRISPR revolution, Addgene has distributed over 100,000 CRISPR plasmids. But that’s not our only job - we strive to also give you high-quality educational resources to help you do better research. CRISPR is an incredibly fast-moving field, and we want to make it easy for you to keep up with new developments (and, of course, find plasmids that will be useful to you.)

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Topics: CRISPR, CRISPR 101, Using Addgene's Website

Hot Plasmids Episode 4: B. subtilis Libraries, iPSC Reprogramming, CRISPR Tools, & More!

Posted by Tyler Ford on Dec 11, 2017 9:02:49 AM

In the fourth episode of our Hot Plasmids podcast series, you'll learn about new libraries for studying B. subtilis biology, plasmids for enhancing iPSC production, and CRISPR tools for plants. You can find additional hot plasmids in our quarterly newsletter or on our hot plasmids webpage.

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Topics: Hot Plasmids, Optogenetics, CRISPR, Podcast

CAPTURE-ing Chromatin Interactions: Using CRISPR-dCas9 to Study Gene Regulation

Posted by Beth Kenkel on Dec 7, 2017 9:16:43 AM

Plasmids can be amazing and simple tools for studying gene regulation. They are used to study how transcription factors and other trans-regulatory elements (TREs) and some cis-regulatory elements (CREs), like promoters, influence gene expression. However, scientists frequently return to native chromosomes because chromatin context matters. The impact of TREs and CREs on gene expression is commonly investigated via Chromatin Immunoprecipitation (ChIP) and chromatin capture techniques, respectively, but these two separate methods are not without their own technical challenges. Enter the Xu Lab's CAPTURE, a method for identifying TREs and CREs that partners CRISPR’s targeting abilities with the strength of the biotin-streptavidin interaction. CAPTURE is capable of identifying old and new TREs and CREs, CRE-CRE interactions, and has even provided enough data for Liu et al to re-draw the beta-globin locus regulation model. Read on to learn more about this captivating tool!

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Topics: CRISPR, Techniques

CRISPR 101: RNA Editing with Cas13 and REPAIR

Posted by Mary Gearing on Nov 30, 2017 9:01:02 AM

Cas13 enzymes are quickly becoming major players in the CRISPR field. Just a year after Abudayyeh et al. (2016) identified Cas13a (C2c2) as a RNA-targeting CRISPR enzyme, Cox et al. have adapted Cas13b for precise RNA editing. This new system, termed REPAIR (RNA editing for programmable A to I (G) replacement) is the first CRISPR tool for RNA editing, and it displays high specificity and targeting flexibility. We’ll walk through how this tool was developed and potential ways you can use it in your research.

Find the plasmids from Cox et al. here!

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Topics: CRISPR, CRISPR 101

Hot Plasmids Podcast Episode 3: Optogenetics Tools, Improved CRISPR Base Editors, & More!

Posted by Tyler Ford on Oct 25, 2017 9:00:00 AM

In the third episode of our Hot Plasmids podcast series, you'll learn about optogenetics tools for controlling protein activity, methods for increasing CRISPR editing efficiency, new CRISPR base editors, DIY DNA ladders. You can find additional hot plasmids in our quarterly newsletter or on our hot plasmids webpage.

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Topics: Hot Plasmids, Optogenetics, CRISPR, Podcast

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