We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEvolution and classification of the CRISPR-Cas systems.AuthorsMakarova KS; Haft DH; Barrangou R; Brouns SJ; Charpentier E; Horvath P; Moineau S; Mojica FJ; Wolf YI; Yakunin AF; van der Oost J; Koonin EVPublicationNature reviews. Microbiology, 2011, Vol 9, Issue 6, p467ISSN1740-1534Publication typearticleDOI10.1038/nrmicro2577