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Comparison of the genetic organization and regulation of known ADSs. The ADSs of S. pyogenes (15), S. gordonii (19, 20), L. sakei (55), B. licheniformis (35), P. aeruginosa (22), H. salinarum (43), R. etli (18), and S. suis are depicted. Gray gene symbols represent genes with confirmed operon structures.
