FIG 1.

Main catabolic pathways of aromatic compounds reported for Proteobacteria. A selection of aromatic compounds that are used as carbon and energy sources by the betaproteobacterium Cupriavidus pinatubonensis JMP134 (26) is shown in squares, as well as the corresponding aromatic intermediates that are further metabolized by the respective ring cleavage pathways reported for Proteobacteria (3, 26, 29). Encircled structures correspond to aromatic compounds used in this study. TCA cycle, tricarboxylic acid cycle.