[biological_process] CUT catabolic process <sep> exonucleolytic trimming to generate mature 3'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) <sep> nuclear polyadenylation-dependent rRNA catabolic process <sep> nuclear-transcribed mRNA catabolic process <sep> nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay <sep> poly(A)-dependent snoRNA 3'-end processing <sep> TRAMP-dependent tRNA surveillance pathway <sep> U4 snRNA 3'-end processing