. "\"Any process that decreases the rate, frequency, or extent of the repression of transcription of ribosomal DNA by altering the structure of chromatin.\" [GOC:dph, PMID:10388812]" . . "negative regulation of chromatin silencing at rDNA" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .