A pathogenic Escherichia coli strain causes urinary tract infections. It secretes small molecules that chelate iron with high specificity and then uses dedicated receptors to import the iron–molecule complex. Which iron acquisition strategy is being used?

Question

A pathogenic  Escherichia coli  strain causes urinary tract infections. It secretes small molecules that chelate iron with high specificity and then uses dedicated receptors to import the iron–molecule complex. Which iron acquisition strategy is being used?

Answer

Receptor-mediated uptake of host transferrin

Answer

Haemolysin-mediated lysis of host cells

Answer

Direct absorption of free iron from the environment

Answer

Siderophore production and uptake

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A pathogenic Escherichia coli strain causes urinary tract infections. It secre...

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