... 1.13.11.x);2,3-dihydroxybenzoate 3 ,4- dioxygenase (EC 1.13.11. 14) .(Received 2 May 20 04, revised 13 June 20 04, accepted 18 June 20 04) Eur. J. Biochem. 271, 3 248 –32 54 (20 04) Ó FEBS 20 04 doi:10.1111/j. 143 2-1033.20 04. 042 58.x6-semialdehyde ... pathway of 2-aminophenol in Pseudo-monas sp. strain AP-3. (A) Proposed pathway of 4- amino-3-hydroxybenzoic acid in Borde-tella sp. strain 10d (10). I, 4- amino-3-hydroxybenzoic acid; II, 2-amino-5-carboxymuconic ... incubating catechol with restingcells of a mutant, strain Y-2, of the aniline-assimilatingPseudomonas sp. strain AW-2 [20].ResultsSpectral changes during metabolism of 4- amino-3-hydroxybenzoic...