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Pleiotropic molecular effects of the Mycobacterium ulcerans virulence factor mycolactone underlying the cell death and immunosuppression seen in Buruli ulcer.

Hall, B and Simmonds, R (2014) Pleiotropic molecular effects of the Mycobacterium ulcerans virulence factor mycolactone underlying the cell death and immunosuppression seen in Buruli ulcer. Biochem Soc Trans, 42 (1). pp. 177-183.

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Abstract

Mycolactone is a polyketide macrolide lipid-like secondary metabolite synthesized by Mycobacterium ulcerans, the causative agent of BU (Buruli ulcer), and is the only virulence factor for this pathogen identified to date. Prolonged exposure to high concentrations of mycolactone is cytotoxic to diverse mammalian cells (albeit with varying efficiency), whereas at lower doses it has a spectrum of immunosuppressive activities. Combined, these pleiotropic properties have a powerful influence on local and systemic cellular function that should explain the pathophysiology of BU disease. The last decade has seen significant advances in our understanding of the molecular mechanisms underlying these effects in a range of different cell types. The present review focuses on the current state of our knowledge of mycolactone function, and its molecular and cellular targets, and seeks to identify commonalities between the different functional and cellular systems. Since mycolactone influences fundamental cellular processes (cell division, cell death and inflammation), getting to the root of how mycolactone achieves this could have a profound impact on our understanding of eukaryotic cell biology.

Item Type: Article
Divisions : Faculty of Health and Medical Sciences
Authors :
AuthorsEmailORCID
Hall, BUNSPECIFIEDUNSPECIFIED
Simmonds, RUNSPECIFIEDUNSPECIFIED
Date : 1 February 2014
Identification Number : 10.1042/BST20130133
Related URLs :
Additional Information : The published version of this article is available at http://dx.doi.org/dx.doi.org/10.1042/BST20130133
Depositing User : Symplectic Elements
Date Deposited : 17 Nov 2015 12:48
Last Modified : 17 Nov 2015 12:50
URI: http://epubs.surrey.ac.uk/id/eprint/808581

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