Figure 5From: A putative RNA-interference-based immune system in prokaryotes: computational analysis of the predicted enzymatic machinery, functional analogies with eukaryotic RNAi, and hypothetical mechanisms of actionThe current hypothetical model for CASS functioning and CRISPR formation. (A) The basic model of CASS functioning (B) The variant of CASS functioning involving the CASS polymerase (C) Formation of new CRISPR with unique inserts.Back to article page