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Coinfection of a yaws patient with two closely related Treponema pallidum subsp. pertenue strains: A rare event with potential evolutionary implications
M. Medappa, P. Pospíšilová, LN. John, C. González-Beiras, O. Mitjà, D. Šmajs
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články, kazuistiky
- MeSH
- DNA bakterií genetika MeSH
- frambézie * mikrobiologie MeSH
- fylogeneze MeSH
- genotyp * MeSH
- koinfekce * mikrobiologie MeSH
- lidé MeSH
- předškolní dítě MeSH
- sekvenční analýza DNA MeSH
- Treponema pallidum * genetika izolace a purifikace klasifikace MeSH
- Treponema MeSH
- Check Tag
- lidé MeSH
- mužské pohlaví MeSH
- předškolní dítě MeSH
- Publikační typ
- časopisecké články MeSH
- kazuistiky MeSH
- Geografické názvy
- Papua Nová Guinea MeSH
The etiological agent of yaws is the spirochete Treponema pallidum (TP) subsp. pertenue (TPE) and infects the children of Papua New Guinea, causing ulcerative skin lesions that impairs normal growth and development. Closely related strains of Treponema pallidum subsp. pertenue, JE11, and TE13 were detected in an ulcer biospecimen derived from a 5-year-old yaws patient. Cloning experiments validated the presence of two distinct but similar genotypes, namely TE13 and JE11, co-occurring within a single host. While coinfection with highly related TPE strains has only limited epidemiological and clinical relevance, this is the first documented coinfection with genetically distinct TP strains in a single patient. Similar coinfections in the past were explained by the existence of over a dozen recombinant loci present in the TP genomes as a result of inter-strain or inter-subspecies recombination events following an anticipated scenario of TP coinfection, i.e., uptake of foreign DNA and DNA recombination.
Department of Biology Faculty of Medicine Masaryk University Brno Czech Republic
Faculty of Medicine University of Barcelona Barcelona Spain
National Department of Health Aopi Centre Port Moresby Papua New Guinea
Citace poskytuje Crossref.org
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- $a The etiological agent of yaws is the spirochete Treponema pallidum (TP) subsp. pertenue (TPE) and infects the children of Papua New Guinea, causing ulcerative skin lesions that impairs normal growth and development. Closely related strains of Treponema pallidum subsp. pertenue, JE11, and TE13 were detected in an ulcer biospecimen derived from a 5-year-old yaws patient. Cloning experiments validated the presence of two distinct but similar genotypes, namely TE13 and JE11, co-occurring within a single host. While coinfection with highly related TPE strains has only limited epidemiological and clinical relevance, this is the first documented coinfection with genetically distinct TP strains in a single patient. Similar coinfections in the past were explained by the existence of over a dozen recombinant loci present in the TP genomes as a result of inter-strain or inter-subspecies recombination events following an anticipated scenario of TP coinfection, i.e., uptake of foreign DNA and DNA recombination.
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