Multilocus sequence typing of the goose pathogen Mycoplasma anserisalpingitidis

•A five locus-based MLST assay was developed for genotyping M. anserisalpingitidis.•MLST assay of 89 different samples yielded 76 unique sequence types.•MLST could identify related samples from different geographical locations.•The MSLT scheme provides novel phylogenetic tool for M. anserisalpingiti...

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Published in:Veterinary microbiology 2021-03, Vol.254, p.108972-108972, Article 108972
Main Authors: Grózner, Dénes, Kovács, Áron Botond, Wehmann, Enikő, Kreizinger, Zsuzsa, Bekő, Katinka, Mitter, Alexa, Sawicka, Anna, Jánosi, Szilárd, Tomczyk, Grzegorz, Morrow, Christopher John, Bányai, Krisztián, Gyuranecz, Miklós
Format: Article
Language:English
Subjects:
Differentiation
Geese
MLST
Mycoplasma anserisalpingitidis
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Summary:•A five locus-based MLST assay was developed for genotyping M. anserisalpingitidis.•MLST assay of 89 different samples yielded 76 unique sequence types.•MLST could identify related samples from different geographical locations.•The MSLT scheme provides novel phylogenetic tool for M. anserisalpingitidis. Mycoplasma anserisalpingitidis infection is associated with the inflammation of the genital tract and cloaca, embryo lethality, and decreased egg production in geese, leading to serious economic losses. M. anserisalpingitidis has been detected mainly in Central and Eastern Europe, especially in Hungary, but the pathogen was identified recently in China, predicting it’s worldwide occurrence. In this study, a novel multilocus sequence typing (MLST) scheme was developed to analyse phylogenetic relationships between M. anserisalpingitidis field isolates and clinical specimens originating from different geographical locations. Five loci (atpG, fusA, pgiB, plsY, and uvrA) were selected for the final MLST study. The examined 89 M. anserisalpingitidis samples yielded 76 unique sequence types with a 0.994 Simpson’s index of diversity. The samples were originated from Hungary, Poland, Ukraine, China, and Vietnam. Phylogenetic analysis revealed the existence of three distinct clades (A–C) and six subclades within clade C. Generally, samples originating from the same geographical locations or livestock integration clustered together. Isolates in clade A showed the closest relationships to the M. anatis outgroup due to sequence similarity of the plsY locus. The highest genetic distance was observed in 5C among the subclades of clade C, containing the Asian and some Hungarian field isolates. The developed MLST assay revealed high diversity of the investigated M. anserisalpingitidis samples. The method proved to be a valuable and cost-effective tool for sequence typing of this waterfowl Mycoplasma species, enabling the better understanding of its phylogeny and providing a robust assay for future molecular epidemiological investigations.
ISSN:0378-1135
1873-2542
DOI:10.1016/j.vetmic.2020.108972