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Figure 3: High-resolution capillary gel electrophoresis (CGE) spectra of strain K72 (type IA2). The analysis was done in duplicate for each of anaerobic and aerobic culture samples. K72AN: anaerobic culture, K72O2: aerobic culture. Peaks designated A, B, and C were differentially expressed between aerobic and anaerobic metabolism. Proteins designated A and C were visibly downregulated during aerobic growth whereas proteins labelled B were significantly upregulated.