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Rodolphe Barrangou

As seen in: Nature, MDPI, PNAS, BMC Genomics, Genome Biology, Medscape, Science Magazine, Cell Host & Microbe, Cell Press, Mary Ann Liebert, Inc. and
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Articles

CRISPR-based technologies for large DNA insertions

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By Mary Fuller, Matthew H. Foley, Rodolphe Barrangou
| Cell Press Verified
Keywords CRISPR-Cas large DNA insertion mobile genetic elements site-specific recombinase Introduction to genome editing While CRISPR-based precision mutagenesis has defined the past decade in genetics and genetic engineering, the ability to remove, insert, or replace large genetic sequences in a programmable manner holds enormous potential for biotechnology, agriculture, and medicine [1,2].
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An updated evolutionary classification of CRISPR–Cas systems including rare variants - Nature Microbiology

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By Kira S. Makarova, Yuri I. Wolf, Pascal Mutz, Emmanuelle Charpentier, Philippe Horvath, Sylvain Moineau, Patrick Pausch, Rafael Pinilla-Redondo, Shiraz A. Shah, Virginijus Siksnys, Michael P. Terns, Česlovas Venclovas, Malcolm White, Alexander F. Yakunin, Feng Zhang, Roger Garrett, Rolf Backofen, Rodolphe Barrangou
| Nature Verified
Abstract The known diversity of CRISPR–Cas systems continues to expand. To encompass new discoveries, here we present an updated evolutionary classification of CRISPR–Cas systems. The updated CRISPR–Cas classification includes 2 classes, 7 types and 46 subtypes, compared with the 6 types and 33 subtypes in our previous survey 5 years ago. In addition, a classification of the cyclic oligoadenylate-dependent signalling pathway in type III systems is presented.
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Phage-based delivery of CRISPR-associated transposases for targeted bacterial editing

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By Joakim Bygdell, Rodolphe Barrangou, Qian Ma, Sijia Liu
| PNAS Verified
Significance Diverse microbial communities inhabit and impact most ecosystems on planet earth. While CRISPR-based technologies have enabled flexible bacterial and phage genome editing in vitro over the past decade, there is a need for novel delivery technologies to manipulate bacteria in situ. Here, we engineer phage λ with CRISPR-associated transposases to enable flexible bacterial genome manipulation, including in a mixed microbial community context.
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