Mycoplasma bovis in nordic european countries: Emergence and dominance of a new clone

Florence Tardy*, Anna Aspan, Tiina Autio, Anne Ridley, Agnès Tricot, Adélie Colin, Tarja Pohjanvirta, B. Smid, Frank Harders, Mikkel Lindegaard, Klara Tølbøll Lauritsen, Ulrike Lyhs, Henk J. Wisselink, Mikael Lenz Strube*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Mycoplasma (M.) bovis is an important pathogen of cattle implicated in a broad range of clinical manifestations that adversely impacts livestock production worldwide. In the absence of a safe, effective commercial vaccine in Europe, the reported reduced susceptibility to antimicrobials for this organism has contributed to difficulties in controlling infection. Despite global presence, some countries have only recently experienced outbreaks of this pathogen. In the present study, M. bovis isolates collected in Denmark between 1981 and 2016 were characterized to determine (i) genetic diversity and phylogenetic relationships using whole genome sequencing and various sequence-based typing methods and (ii) patterns of antimicrobial resistance compared to other European isolates. The M. bovis population in Denmark was found to be highly homogeneous genomically and with respect to the antimicrobial resistance profile. Previously dominated by an old genotype shared by many other countries (ST17 in the PubMLST legacy scheme), a new predominant type represented by ST94-adh1 has emerged. The same clone is also found in Sweden and Finland, where M. bovis introduction is more recent. Although retrieved from the Netherlands, it appears absent from France, two countries with a long history of M. bovis infection where the M. bovis population is more diverse.

Original languageEnglish
Article number875
Number of pages15
JournalPathogens
Volume9
Issue number11
DOIs
Publication statusPublished - Nov 2020

Keywords

  • Antimicrobial resistance
  • Cattle
  • Genomic epidemiology
  • Mycoplasma bovis
  • Phylogenetics

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