Apparent cross-infection with a single strain of Malassezia pachydermatis on a pig farm |
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Authors: | Pinter Ljiljana Anthony R M Glumac Nada Hajsig D Pogacnik M Drobnic-Kosorok Marinka |
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Institution: | Department of Microbiology and Infectious Diseases, Faculty of Veterinary Medicine, University of Zagreb, Zagreb 10000, P.O. Box 190, Croatia. pinter@vef.hr |
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Abstract: | Twenty-nine isolates of Malassezia pachydermatis were recovered from a single farm of 100 pigs in Croatia. In contrast, 290 farm pigs from other locations (northern parts of Croatia and Slovenia) yielded only two non-lipid dependent isolates of M. pachydermatis using the same swabbing procedure. Ten of the 29 isolates from a single farm had their identity confirmed by karyotyping, and were typed by restriction fragment length polymorphism (RFLP) analysis. All but one of these isolates sub-typed were indistinguishable, one isolate produced a slightly different RFLP profile. Control isolates recovered from dog skin gave RFLP profiles that were easily distinguished from those produced by the pig isolates. These results suggest that a single strain of M. pachydermatis had colonised this pig herd. |
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