Iron Transport and Receptors in Bacteria
High-affinity Iron Chelation
Secretion and Uptake Mechanisms
Environmental Advantages
Heme Extraction from Host Proteins
Specialized Transport Machinery
Heme Degradation Pathways
Environmental Conditions Favoring Fe²⁺
Specific Fe²⁺ Transporters
Anaerobic and Microaerobic Niches
Surface Receptors for Transferrin
Lactoferrin-binding Proteins
Iron Extraction Mechanisms
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2. Iron Bioavailability Challenges
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4. Siderophore Structure and Function