%0 Journal Article %T Evolution and classification of the CRISPR–Cas systems %A Makarova, Kira S. %A Haft, Daniel H. %A Barrangou, Rodolphe %A Brouns, Stan J. J. %A Charpentier, Emmanuelle %A Horvath, Philippe %A Moineau, Sylvain %A Mojica, Francisco J. M. %A Wolf, Yuri I. %A Yakunin, Alexander F. %A van der Oost, John %A Koonin, Eugene V. %J Nature Reviews Microbiology %V 9 %N 6 %P 467-477 %@ 1740-1526 %D 2011-05-09 %I Nature Publishing Group UK %~ DeepDyve