Locally confined clonal complexes of mycobacterium ulcerans in two buruli ulcer endemic regions of cameroon
Author Summary Buruli ulcer (BU) is a progressively necrotizing disease of the skin, caused by infection with Mycobacterium ulcerans. BU occurs very focally with highest incidence in West Africa. The mode of transmission and the nature and role of potential environmental reservoirs are currently not...
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| Main Authors: | , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
5 June 2015
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| In: |
PLoS neglected tropical diseases
Year: 2015, Volume: 9, Issue: 6 |
| ISSN: | 1935-2735 |
| DOI: | 10.1371/journal.pntd.0003802 |
| Online Access: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1371/journal.pntd.0003802 Verlag, kostenfrei, Volltext: http://journals.plos.org/plosntds/article?id=10.1371/journal.pntd.0003802 
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| Author Notes: | Miriam Bolz, Martin W. Bratschi, Sarah Kerber, Jacques C. Minyem, Alphonse Um Boock, Moritz Vogel, Pierre Franklin Bayi, Thomas Junghanss, Daniela Brites, Simon R. Harris, Julian Parkhill, Gerd Pluschke, Araceli Lamelas Cabello |
| Summary: | Author Summary Buruli ulcer (BU) is a progressively necrotizing disease of the skin, caused by infection with Mycobacterium ulcerans. BU occurs very focally with highest incidence in West Africa. The mode of transmission and the nature and role of potential environmental reservoirs are currently not entirely understood. In this study we sequenced whole genomes of sets of M. ulcerans case isolates from two BU endemic regions in Cameroon. We identified two distinct phylogenetic lineages, which directly correlated with the two endemic regions. Furthermore, we showed that the genetic diversity of M. ulcerans is higher in the older endemic region of Cameroon (Nyong river basin) compared to the more recently emerged infection focus in the same country (Mapé river basin). Together, our results demonstrate that M. ulcerans is developing local clonal complexes by the accumulation of single nucleotide polymorphisms (SNPs) and that these complexes often remain confined to individual endemic foci. The gene encoding for rpoB, which is known to harbour drug resistance mutations against rifampicin in M. tuberculosis, was not affected by SNPs in any of the analysed M. ulcerans strains. |
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| Item Description: | Gesehen am 27.04.2017 |
| Physical Description: | Online Resource |
| ISSN: | 1935-2735 |
| DOI: | 10.1371/journal.pntd.0003802 |