Abstract
The importance of iron to the metabolism of the mycobacteria was gradually appreciated during the first half of the last century. Frank Winder working in Dublin in the 1950s and 1960s was the first to establish the absolute amounts of iron needed for growth and, from his work, it was then possible to investigate the consequences of iron deficiency and subsequently how iron was solubilized and transported into mycobacterial cells. Parallel with this work, was the discovery by Alan Snow, at ICI Ltd, UK, of the mycobactins. These are essential growth factors for Mycobacterium paratuberculosis and their role in iron binding was then pivotal to elucidating the main aspects of iron uptake. However, mycobactins, being wholly intracellular materials, were unable to act as external siderophores for the solubilization of iron; this role was then found to be carried out by the exochelins discovered by the author of this review. The exochelins were of two types: those from the non-pathogenic mycobacteria were water-soluble pentapeptides whereas those from pathogenic species were modifications of mycobactin and were then named as the carboxymycobactins. The interdependency of these materials and others is then unraveled in this review. The review focuses mainly on the research work carried out over the last century leaving the present work on iron uptake to be covered in other reviews in this monograph.
“Mycobacteria are nothing more than E. coli wrapped up in a fur coat”—Frank Winder.
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Ratledge, C. (2013). A History of Iron Metabolism in the Mycobacteria. In: Byers, B. (eds) Iron Acquisition by the Genus Mycobacterium. SpringerBriefs in Molecular Science(). Springer, Heidelberg. https://doi.org/10.1007/978-3-319-00303-0_2
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