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CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics

Posted by Guest Blogger on Aug 9, 2016 10:30:00 AM

This post was contributed by guest blogger, Aneesh Karve, CTO at Qult Data. This post was originally published on the Quilt Genomics Blog and is republished here with permission.

Quilt is a collaborative database for genomics. In this article, Quilt CTO Aneesh Karve, shows how to design experiments that work anywhere in the genome. Aneesh's research interests include proteomics, machine learning, and visualization for big biology.
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Topics: CRISPR

Editor's Choice, July 2016

Posted by Tyler Ford on Aug 5, 2016 11:00:00 AM

To better highlight the great content contributed by our bloggers each and every month, we've decided to start an "Editor's Choice" series. Each month, I'll summarize the most popular post of the month and point out one or more additional posts that deserve a peek in case you missed them.

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Topics: CRISPR, Fluorescent Proteins, Editor's Choice

Google Forums Round Up: First Impressions of NgAgo

Posted by Guest Blogger on Aug 4, 2016 10:30:00 AM

Update (November 18, 2016): Researchers from a variety of institutions recently reported their inability to recapitulate the results of Gao et al 2016 in a letter to Protein & Cell.

Update (August 3rd, 2017) THE ORIGINAL NgAgo ARTICLE DISCUSSED IN THIS POST HAS BEEN RETRACTED AND FOLLOW UP STUDIES HAVE FAILED TO DEMONSTRATE GENOME EDITING BY THIS TOOL

This post was contributed by guest blogger Pooran Dewari. Any views in this post are those of the guest blogger and do not necessarily represent the views of Addgene. Addgene performs Sanger sequencing on select regions of all distributed plasmids as part of quality control, but does not perform functional tests.

The newest genome engineer sharing the stage with much-lauded CRISPR-Cas9 is DNA-guided endonuclease NgAgo! We'll discuss how NgAgo is faring with users in a minute, but, to start, let's review why NgAgo is in the spotlight and take a moment to remember that NgAgo has only been available for genome editing for a few months. More time is required for its optimization and development before it can truly be pitted against CRISPR head-to-head. 

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Topics: Genome Engineering, CRISPR

Cpf1 Update: Comparison to Cas9 and NgAgo

Posted by Mary Gearing on Jul 14, 2016 10:30:00 AM

In 2015, Feng Zhang’s lab characterized two Cpf1 nucleases, distant cousins of well-known Cas9. Cpf1 cleaves DNA in a staggered pattern and requires only one RNA rather than the two (tracrRNA and crRNA) needed by Cas9 for cleavage. Now, two new studies show that Cpf1 displays lower off-target editing than Cas9, confirming that this protein is well suited for genome editing. 

Find Cpf1 Plasmids at Addgene

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Topics: Genome Engineering, CRISPR

Generating Mouse Models Using CRISPR/Cas9

Posted by Guest Blogger on Jul 12, 2016 10:30:00 AM

This post was contributed by guest bloggers, Wenning Qin and Haoyi Wang.

CRISPR/Cas9 is revolutionizing the mouse gene-targeting field. Mice have long been extremely useful in the lab – they are relatively small and easy to work with, making them the go-to choice for studying mammalian biology. Similar to any model, mice are not without their problems, but much genetic and physiological data have been accumulated over the years using them. Indeed, the future of mouse work is bright as it is now easier than ever to manipulate the mouse genome using CRISPR/Cas9.

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Topics: Genome Engineering, CRISPR

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