Abstract:
:Mycoplasma bovis is a major bovine pathogen associated with bovine respiratory disease complex and is responsible for substantial economic losses worldwide. M. bovis is also associated with other clinical presentations in cattle, including mastitis, otitis, arthritis, and reproductive disorders. To gain a better understanding of the genetic diversity of this pathogen, a multilocus sequence typing (MLST) scheme was developed and applied to the characterization of 137 M. bovis isolates from diverse geographical origins, obtained from healthy or clinically infected cattle. After in silico analysis, a final set of 7 housekeeping genes was selected (dnaA, metS, recA, tufA, atpA, rpoD, and tkt). MLST analysis demonstrated the presence of 35 different sequence types (STs) distributed in two main clonal complexes (CCs), defined at the double-locus variant level, namely, CC1, which included most of the British and German isolates, and CC2, which was a more heterogeneous and geographically distant group of isolates, including European, Asian, and Australian samples. Index of association analysis confirmed the clonal nature of the investigated M. bovis population, based on MLST data. This scheme has demonstrated high discriminatory power, with the analysis showing the presence of genetically distant and divergent clusters of isolates predominantly associated with geographical origins.
journal_name
J Clin Microbioljournal_title
Journal of clinical microbiologyauthors
Rosales RS,Churchward CP,Schnee C,Sachse K,Lysnyansky I,Catania S,Iob L,Ayling RD,Nicholas RAdoi
10.1128/JCM.01910-14subject
Has Abstractpub_date
2015-03-01 00:00:00pages
789-94issue
3eissn
0095-1137issn
1098-660Xpii
JCM.01910-14journal_volume
53pub_type
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