A distinct co-expressed sulfurtransferase extends the physiological role of mercaptopropionate dioxygenase in Pseudomonas aeruginosa PAO1.

Oxidation and assimilation of persulfides in bacteria is often catalyzed by a persulfide dioxygenase and sulfurtransferase in consecutive reactions. Enzymes responsible for the oxidation of persulfides have not been clearly defined in Pseudomonas aeruginosa PAO1. The characterized mercaptopropionate dioxygenase (MDO) in P.