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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Future Microbiol. 2013 Jun;8(6):10.2217/fmb.13.43. doi: 10.2217/fmb.13.43

Figure 1. The iron sources available in the stomach and the ferric uptake regulator-mediated responses aimed at maintaining the intracellular iron balance in Helicobacter pylori.

Figure 1

Yellow color indicates that expression is inactivated by iron-bound ferric uptake regulator (Fur). Green color indicates that expression is inactivated by apo-Fur. Red color indicates that expression is activated by iron-bound Fur. The subcellular location of GGT, PutA, HydABC and ferric reductase is only for illustration and has not been experimentally determined.

†Iron–sulfur proteins.

CagA: Cytotoxin-associated protein; GGT: γ-glutamyltranspeptidase; Pfr: Bacterial ferritin.