Term Name:	transcription initiation at RNA polymerase I promoter
Synonyms:	transcription initiation from Pol I promoter, transcription initiation from RNA polymerase I promoter, transcription initiation from RNA polymerase I promoter for nuclear large rRNA transcript
Definition:	A transcription initiation process that takes place at a RNA polymerase I gene promoter. Ribosomal RNAs (rRNA) genes are transcribed by RNA polymerase I.
Ontology:	GO: Biological Process [GO:0006361]    QuickGO    AmiGO