Athukoralage et al. (2018) identify a new class of nuclease that degrades cyclic oligoadenylate (cOA), a second messenger that activates non-specific RNA degradation by the type III CRISPR-Cas accessory RNase Csm6/Csx1.… Click to show full abstract
Athukoralage et al. (2018) identify a new class of nuclease that degrades cyclic oligoadenylate (cOA), a second messenger that activates non-specific RNA degradation by the type III CRISPR-Cas accessory RNase Csm6/Csx1. This discovery provides a mechanism for regulating the degradation of foreign transcripts during the type III CRISPR immune response.
               
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