title: Repression of transcription initiation in bacteria.
mesh_terms: D001419:Bacteria / Q000235:genetics*; D012321:DNA-Directed RNA Polymerases / Q000037:antagonists & inhibitors / Q000378:metabolism; D015964:Gene Expression Regulation, Bacterial; D011401:Promoter Regions, Genetic / Q000235:genetics; D012097:Repressor Proteins / Q000378:metabolism*; D014158:Transcription, Genetic / Q000235:genetics*