Term Name:	regulatory ncRNA-mediated heterochromatin formation
Synonyms:	chromatin silencing by small RNA, heterochromatin assembly by small RNA, heterochromatin assembly involved in chromatin silencing by small RNA, heterochromatin formation involved in chromatin silencing by small RNA, ncRNA-mediated heterochromatin formation, pre-transcriptional gene silencing by RNA, pre-transcriptional gene silencing by small non-coding RNA, RNA interference-like chromatin silencing, RNA-dependent heterochromatin formation, RNA-mediated chromatin silencing, RNA-mediated heterochromatin formation, RNA-mediated TGS, RNA-mediated transcriptional silencing, RNAi-directed chromatin silencing, RNAi-like chromatin silencing, small ncRNA-mediated heterochromatin formation, small non-coding RNA-dependent heterochromatin formation, small RNA-mediated heterochromatic silencing, small RNA-mediated heterochromatin formation
Definition:	A heterochromatin formation-based gene silencing process mediated by a regulatory non-coding RNA molecule that occur before the beginning of trancription.
Ontology:	GO: Biological Process [GO:0031048]    QuickGO    AmiGO