TOPIC 1 Principles of Transcriptional Regulation [watch the animation TOPIC 2 Requlation of Transcription Initiation: Examples from Bacteria Lac operon, alternative o factors NtrC, MerR, Gal rep, araBAD operon) TOPIC 3 Examples of Gene Regulation after Transcription Initiation(Trp operon) TOPIC 4 The Case of Phage A Layers of Regulation11 TOPIC 1 Principles of Transcriptional Regulation [watch the animation] TOPIC 2 Regulation of Transcription Initiation: Examples from Bacteria (Lac operon, alternative s factors, NtrC,MerR, Gal rep, araBAD operon) TOPIC 3 Examples of Gene Regulation after Transcription Initiation (Trp operon) TOPIC 4 The Case of Phage λ: Layers of Regulation