Fig. 6

Differentially expressed proteins of P. xenovorans LB400 after exposure to paraquat or H₂O₂. Heatmap showing upregulated (A) or downregulated (B) protein levels of P. xenovorans LB400 after exposure to paraquat (PQ) or H₂O₂ (1 mM) for 1 h compared to untreated cells. Changes in protein levels were established when changes of ≥ twofold were observed on treated cells versus control cells. Red represents higher expression, whereas blue represents lower expression. Three biological replicates were performed. AhpC, alkyl hydroperoxide reductase subunit C2; organic hydroperoxide resistance protein OhrB; Dps, ferritin DPS family DNA-binding protein DpsA. OxRd oxidoreductase, Tas Tas oxidoreductase, TR transcriptional regulator of LysR family, OEP outer membrane efflux protein related to copper resistance, TP transport protein, HDH homoserine dehydrogenase, GK glycerate kinase, SRd sulphite reductase (NADPH) beta-subunit, PBP penicillin binding-protein. Additional file 1: Tables S3 and S4 provide more details of the proteins