Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.18/3409
Título: Characterization through multilocus sequence analysis of Borrelia turdi isolates from Portugal
Autor: Norte, Ana Cláudia
Araújo, Pedro Miguel
Pascoal da Silva, Luís
Tenreiro, Paulo Quadros
Ramos, Jaime A
Núncio, Maria Sofia
Zé-Zé, Líbia
Lopes de Carvalho, Isabel
Palavras-chave: Infecções Sistémicas e Zoonoses
Borrelia turdi
Multilocus Sequence Typing
Isolate
Portugal
Ixodes Frontalis
Phylogenetic Analysis
Data: 27-Ago-2015
Editora: Springer Science, Business Media New York
Citação: Microb Ecol. 2016 Nov;72(4):831-839. Epub 2015 Aug 27
Resumo: Borrelia turdi is a spirochete from the Borrelia burgdorferi complex, first reported in Japan, that has been increasingly detected in Europe. This genospecies is mostly associated with avian hosts and their ornithophilic ticks such as Ixodes frontalis. In this study, we isolated B. turdi from five I. frontalis feeding on Turdus merula, Turdus philomelos, Parus major and Troglodytes troglodytes, and one Ixodes ricinus feeding on a T. merula in Portugal. These isolates were genetically characterised according to their 5S-23S rRNA intergenic spacer, 16S rRNA and through typing of seven housekeeping genes (multilocus sequence typing). Multilocus sequence analyses revealed that the strains isolated in our study, although belonging to B. turdi genospecies, are not identical to the B. turdi reference strain Ya501. Instead, our strains are separated into a clear defined group, suggesting that the European samples diverged genetically from the strain originally detected in Japan. Population analysis of 5S-23S rRNA sequences can further resolve subpopulations within B. turdi, but more samples from a large geographical scale and host range would be needed to assess potential phylogeographical patterns within this genospecies.
Peer review: yes
URI: http://hdl.handle.net/10400.18/3409
DOI: 10.1007/s00248-015-0660-1
ISSN: 0095-3628
Versão do Editor: http://link.springer.com/article/10.1007%2Fs00248-015-0660-1
Aparece nas colecções:DDI - Artigos em revistas internacionais

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