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. 2006 Jun;74(6):3427–3436. doi: 10.1128/IAI.00107-06

FIG. 3.

FIG. 3.

Growth of E. coli K-12 catecholate siderophore receptor-negative ΔtonB H5058 strain QT1272 (A) or QT1272 complemented with tonB (pIJ159) (B) containing a cloned copy of iha (pIJ84, ▴), fepA (pIJ68, ▵), or the control vector (pACYC184, ⋄) in minimal medium (M63 glucose) supplemented with 50 μM 2,2′-dipyridyl and 50 μM of enterobactin and its DHBS products.