An updated evolutionary classification of CRISPR-Cas systems.
Kira S Makarova, Yuri I Wolf, Omer S Alkhnbashi, Fabrizio Costa, Shiraz A Shah, Sita J Saunders, Rodolphe Barrangou, Stan J J Brouns, Emmanuelle Charpentier, Daniel H Haft, Philippe Horvath, Sylvain Moineau, Francisco J M Mojica, Rebecca M Terns, Michael P Terns, Malcolm F White, Alexander F Yakunin, Roger A Garrett, John van der Oost, Rolf Backofen, Eugene V Koonin
Nature reviews. Microbiology 2016;13(11):722-36