Multilocus sequence typing of Treponema pallidum subsp. pallidum in Barcelona

Candela Fernández-Naval, Maider Arando, Mateu Espasa, Andrés Antón, Miguel Fernández-Huerta, Aroa Silgado, Cristina Pinatar, Francesc Zarzuela, Juan José González-López, Judit Serra-Pladevall, Elena Sulleiro, Tomàs Pumarola, Martí Vall-Mayans, Juliana Esperalba*

*Autor corresponent d’aquest treball

Producció científica: Contribució a revistaArticleRecercaAvaluat per experts

6 Cites (Scopus)

Resum

Aim: To implement the multilocus sequence typing (MLST) methodology in syphilis samples previously characterized by enhanced CDC typing (ECDCT) and macrolide resistance. Materials & methods: MLST was performed on genital ulcer and blood samples by analyzing a region of the tp0136, tp0548 and tp0705 loci using Sanger sequencing. Results: Up to 59/85 (69.4%) of genital ulcer and 4/39 (10.3%) of whole blood samples were fully typed. The most frequent profiles were 1.3.1 (56%) and 1.1.1 (11%). All the 1.3.1 samples typed carried the A2058G mutation, responsible for macrolide resistance. MLST and ECDCT showed similar overall typing yields. Conclusion: Several allelic profiles of T. pallidum subsp. pallidum were identified and classified into two major genetic clades in Barcelona. Our results were similar to that described in Europe.

Idioma originalAnglès
Pàgines (de-a)967-976
Nombre de pàgines10
RevistaFuture Microbiology
Volum16
Número13
DOIs
Estat de la publicacióPublicada - de set. 2021

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