A viral origin for RNA-guided immunity Bravo, Jack Peter Kelly ; https://orcid.org/0000-0003-0456-0753 Ancient viral warfare could be at the root of modern class 1 CRISPR bacterial defense systems AAAS 2026 info:eu-repo/semantics/article doc-type:Article Article http://purl.org/coar/resource_type/D97F-VB57 https://research-explorer.ista.ac.at/record/23000 Bravo JPK. A viral origin for RNA-guided immunity. <i>Science</i>. 2026;393(6817):1187-1188. doi:<a href="https://doi.org/10.1126/science.ael0758">10.1126/science.ael0758</a> eng info:eu-repo/semantics/altIdentifier/doi/10.1126/science.ael0758 info:eu-repo/semantics/altIdentifier/issn/0036-8075 info:eu-repo/semantics/altIdentifier/e-issn/1095-9203 info:eu-repo/semantics/altIdentifier/pmid/42752153 info:eu-repo/semantics/closedAccess