The putative role of zinc homeostasis in grain formation by Madurella mycetomatis during mycetoma infection |
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Institution: | Department of Medical Microbiology and Infectious Diseases, Erasmus MC, Rotterdam, the Netherlands |
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Abstract: | Madurella mycetomatis is the main cause of mycetoma, a chronic, granulomatous skin infection of the subcutaneous tissue. One of the main virulence factors is the formation of grains, which are difficult to treat with the currently available antifungal drugs. Studies have indicated that zinc homeostasis could be an important factor for grain formation. Therefore, in this review the mechanisms behind zinc homeostasis in other fungal species were summarized and an in silico analysis was performed to identify the components of zinc homeostasis in M. mycetomatis. Orthologues for many of the zinc homeostasis components found in other fungal species could also be identified in M. mycetomatis, including those components that have been identified to play a role in biofilm formation, a process which has some parallels with grain formation. Zinc homeostasis may well play an important role in the process of grain formation and, therefore, more knowledge on this subject in M. mycetomatis is required as it may lead to novel therapies to combat this debilitating disease. |
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Keywords: | Grain formation Virulence factor Zinc homeostasis |
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