Fig. 2

Growth of Pseudomonas sp. isolate 9.1 on a ferulate, b p-coumarate, c benzoate, d vanillin, e syringate and f guaiacol as the only source of carbon. Experiments were performed in duplicates and the standard deviations are displayed with an error bar. The OD and model compounds concentration (mM) are shown in black open diamond and red closed diamond respectively. The excreted intermediate compounds, if any, are also shown (Read from right axis). Pink open circle, 4-hydroxybenzoate; Violet closed circle, catechol; Grey open triangle, cis,cis-muconate; Blue closed square, vanillyl alcohol; green open square, vanillate