Submitted by György Chityil ... on Fri, 01/19/2018 - 20:30 Hierarchy: NounDescription: {{genetics}} Any protein that binds to DNA and thus regulates the expression of genes by decreasing the rate of transcriptionNgram: repressorNgram Text: repressorSource: WiktionaryIssue: 0Wiktionary tag: geneticsNgram Count: 1