title: CRISPR-Cas: outstanding questions remain: comment on "Diversity, evolution, and therapeutic applications of small RNAs in prokaryotic and eukaryotic immune systems" by Edwin L. Cooper and Nicola Overstreet.
authors.affiliation: Skolkovo Institute of Science and Technology, Moscow, Russia; St. Petersburg State Polytechnical University, St. Petersburg, Russia. Electronic address: Severinov@skolkovotech.ru.
authors.forename: Konstantin
authors.initials: K
authors.lastname: Severinov
mesh_terms: D000818:Animals; D001105:Archaea / Q000276:immunology*; D001419:Bacteria / Q000276:immunology*; D056890:Eukaryota / Q000276:immunology*; D019143:Evolution, Molecular; D014644:Genetic Variation; D006801:Humans; D058727:RNA, Small Untranslated / Q000235:genetics*
chemical_list: D058727:RNA, Small Untranslated