Abstract
In the present study, three Arcanobacterium pluranimalium strains isolated from bovine milk samples of three cows of three farms (two cows with subclinical mastitis) could successfully be identified by phenotypical investigations, by matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) analysis and genotypically by sequencing the molecular targets 16S rDNA, 16S-23S rDNA intergenic spacer region (ISR), the β subunit of bacterial RNA polymerase encoding gene rpoB, the glyceraldehyde 3-phosphate dehydrogenase encoding gene gap, the elongation factor tu encoding gene tuf, and the pluranimaliumlysin encoding gene pla. The latter could also be identified by a loop-mediated isothermal amplification (LAMP) assay. The presented phenotypic and genotypic approaches might support the identification of A. pluranimalium in future and might help to understand the role this species plays in bovine mastitis.
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