Yersinia pestis pFra shows biovar-specific differences and recent common ancestry with a Salmonella enterica serovar typhi plasmid


Prentice, MB; James, KD; Parkhill, J; Baker, SG; Stevens, K; Simmonds, MN; Mungall, KL; Churcher, C; Oyston, PCF; Titball, RW; Wren, BW; Wain, J; Pickard, D; Hien, TT; Farrar, JJ; Dougan, G; (2001) Yersinia pestis pFra shows biovar-specific differences and recent common ancestry with a Salmonella enterica serovar typhi plasmid. Journal of bacteriology, 183 (8). pp. 2586-2594. ISSN 0021-9193 DOI: https://doi.org/10.1128/JB.183.8.2586-2594.2001

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Abstract

Population genetic studies suggest that Yersinia pestis, the cause of plague, is a clonal pathogen that has recently emerged from Yersinia pseudotuberculosis. Plasmid acquisition is likely to have been a key element in this evolutionary leap from an enteric to a flea-transmitted systemic pathogen. However, the origin of Y. pestis-specific plasmids remains obscure. We demonstrate specific plasmid rearrangements in different Y. pestis strains which distinguish Y. pestis bv. Orientalis strains from other biovars. We also present evidence for plasmid-associated DNA exchange between Y. pestis and the exclusively human pathogen Salmonella enterica serovar Typhi.

Item Type: Article
Keywords: Complete dna-sequence, transfer-rna genes, escherichia-coli, murine toxin, intervening sequences, infectious-disease, virulence plasmid, bacterial genomes, capsular antigen, plague, Animal, DNA Transposable Elements, genetics, DNA, Bacterial, genetics, Evolution, Molecular, Gene Transfer, Horizontal, genetics, Human, Molecular Sequence Data, Plasmids, genetics, Polymerase Chain Reaction, Salmonella typhi, genetics, Sequence Analysis, DNA, Support, Non-U.S. Gov't, Yersinia pestis, classification, genetics
Faculty and Department: Faculty of Infectious and Tropical Diseases > Dept of Pathogen Molecular Biology
PubMed ID: 11274119
Web of Science ID: 167794600024
URI: http://researchonline.lshtm.ac.uk/id/eprint/17391

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