Fig. 3
From: ShiF acts as an auxiliary factor of aerobactin secretion in meningitis Escherichia coli strain S88
Relative production of aerobactin, enterobactin, salmochelin S2 and yersiniabactin measured by LC-MS/MS. Production of aerobactin, enterobactin, salmochelin S2 and yersiniabactin by the two deleted strains S88∆shiF1 and S88∆shiF2 were compared to that of the wild type strain S88 in MM9 medium with 100 μM of 2,2′-dipyridyl. Results are expressed in relation to the production of the wild type strain which represent 100%. Data presented are means of 8 independent experiments and were compared using Mann-Whitney’s test. Error bars represent the standard derivations. * p < 0.001