CRISPR-Cas systems are found in the genomes of ... strains CFBP2957 and K60T were challenged with a virulent phage, and the CRISPR arrays of bacteriophage-insensitive mutants (BIMs) were analysed.

"It's a completely brand-new type of CRISPR chemistry," says co-first author Christian Baca, a TPCB graduate student in the ...