Gene organization in proximity of act orthologues in V. paradoxus strain TBEA6 and other bacteria. lysR, transcription factor; act, acyl-CoA-transferase; acd, acyl-CoA dehydrogenase; ech, enoyl-CoA hydratase/isomerase; mdo, 3-mercaptopropionate dioxygenase; ahpd, alkylhydroperoxidase; bug, Bordetella uptake gene.