Multi-Locus sequence analysis reveals profound enetic diversity among isolates of the human athogen bartonella bacilliformis

Picardeau, M, Chaloner, GL, Palmira Ventosilla, and Birtles, RJ ORCID: 2011, 'Multi-Locus sequence analysis reveals profound enetic diversity among isolates of the human athogen bartonella bacilliformis' , PLoS Neglected Tropical Diseases, 5 (7) , e1248.

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Bartonella bacilliformis is the aetiological agent of human bartonellosis, a potentially life threatening infection of significant public health concern in the Andean region of South America. Human bartonellosis has long been recognised in the region but a recent upsurge in the number of cases of the disease and an apparent expansion of its geographical distribution have re-emphasized its contemporary medical importance. Here, we describe the development of a multi-locus sequence typing (MLST) scheme for B. bacilliformis and its application to an archive of 43 isolates collected from patients across Peru. MLST identified eight sequence types among these isolates and the delineation of these was generally congruent with those of the previously described typing scheme. Phylogenetic analysis based on concatenated sequence data derived from MLST loci revealed that seven of the eight sequence types were closely related to one another; however, one sequence type, ST8, exhibited profound evolutionary divergence from the others. The extent of this divergence was akin to that observed between other members of the Bartonella genus, suggesting that ST8 strains may be better considered as members of a novel Bartonella genospecies.

Item Type: Article
Schools: Schools > School of Environment and Life Sciences > Ecosystems and Environment Research Centre
Journal or Publication Title: PLoS Neglected Tropical Diseases
Publisher: Public Library of Science
Refereed: Yes
ISSN: 1935-2735
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Funders: Biotechnology and Biosciences Sciences Research Council (BBSRC)
Depositing User: Institutional Repository
Date Deposited: 06 Nov 2014 00:14
Last Modified: 15 Feb 2022 18:37

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