Term Name:	gene silencing by piRNA-directed DNA methylation
Synonyms:
Definition:	A small RNA-based gene silencing process in which Piwi-associated RNAs (piRNAs) guide de novo DNA methylation. This results in a heterochromatin assembly, a chromatin conformation that is refractory to transcription.
Ontology:	GO: Biological Process [GO:0141176]    QuickGO    AmiGO