. "\"The enzymatic addition of a sequence of adenylyl residues at the 3' end of snoRNA molecule. In eukaryotes, this occurs in conjunction with termination of transcription of precursor snoRNA molecules and may occur post-transcriptionally on incorrectly processed molecules targeted for degradation.\" [GOC:dgf, GOC:krc, PMID:18951092]" . . "snoRNA polyadenylation" . .