Abstract
Waterfowl-specific mycoplasmas cause significant economic losses worldwide. However, only limited resources are available for the specific detection of three such bacteria, Mycoplasma anatis, M. anseris and M. cloacale. We developed species-specific TaqMan assays and tested their reliability across 20 strains of the respective target species as well as 84 non-target avian bacterial strains. Furthermore, we analysed 32 clinical DNA samples and compared the results with those of previously published conventional PCRs. The TaqMan assays showed 100% specificity and very high sensitivity, enabling the detection of target DNA as low as either 10 or 100 copies/μl concentration, depending on the assay. Importantly, we found that while the here developed TaqMan assays are reliable for species-specific detection of M. anatis, the previously published conventional PCR assay may give false positive results. In conclusion, the new assays are reliable, sensitive and suitable for clinical diagnostics of the target species.
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