The DNA region of a group of adjacent genes whose transcription is coordinated on one or several mutually overlapping transcription units transcribed in the same direction and sharing at least one gene.
Comment:
This term is mapped to MGED. Do not obsolete without consulting MGED ontology. Definition updated with per Mejia-Almonte et.al Redefining fundamental concepts of transcription initiation in prokaryotes Aug 5 2020.