defense response(GO:0006952) response to biotic stimulus(GO:0009607) response to virus(GO:0009615) response to external biotic stimulus(GO:0043207) response to other organism(GO:0051707) RNA phosphodiester bond hydrolysis(GO:0090501)
acetyl-CoA C-acyltransferase activity(GO:0003988) transferase activity, transferring acyl groups, acyl groups converted into alkyl on transfer(GO:0046912)