F Javier Cabañes1, S Dall' Acqua Coutinho2, Laura Puig3, M Rosa Bragulat3, Gemma Castellá3. 1. Veterinary Mycology Group, Department of Animal Health and Anatomy, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain. Electronic address: javier.cabanes@uab.es. 2. Laboratory of Molecular and Cellular Biology, Veterinary Medicine, Paulista University, São Paulo, Brazil. 3. Veterinary Mycology Group, Department of Animal Health and Anatomy, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain.
Abstract
BACKGROUND: All the currently recognized Malassezia species have been isolated from mammals. However, only a few of them have been isolated from birds. In fact, birds have been less frequently studied as carriers of Malassezia yeasts than mammals. AIM: In this study we describe two new taxa, Malassezia brasiliensis sp. nov. and Malassezia psittaci sp. nov. METHODS: The isolates studied in this publication were isolated from pet parrots from Brazil. They were characterized using the current morphological and physiological identification scheme. DNA sequencing and analysis of the D1/D2 regions of the 26S rRNA gene, the ITS-5.8S rRNA gene sequences and the β-tubulin gene were also performed. RESULTS: The strains proposed as new species did not completely fit the phenotypic profiles of any the described species. The validation of these new species was supported by analysis of the genes studied. The multilocus sequence analysis of the three loci provides robust support to delineate these species. CONCLUSIONS: These studies confirm the separation of these two new species from the other species of the genus Malassezia, as well as the presence of lipid-dependent Malassezia yeasts on parrots.
BACKGROUND: All the currently recognized Malassezia species have been isolated from mammals. However, only a few of them have been isolated from birds. In fact, birds have been less frequently studied as carriers of Malassezia yeasts than mammals. AIM: In this study we describe two new taxa, Malassezia brasiliensis sp. nov. and Malassezia psittaci sp. nov. METHODS: The isolates studied in this publication were isolated from pet parrots from Brazil. They were characterized using the current morphological and physiological identification scheme. DNA sequencing and analysis of the D1/D2 regions of the 26S rRNA gene, the ITS-5.8S rRNA gene sequences and the β-tubulin gene were also performed. RESULTS: The strains proposed as new species did not completely fit the phenotypic profiles of any the described species. The validation of these new species was supported by analysis of the genes studied. The multilocus sequence analysis of the three loci provides robust support to delineate these species. CONCLUSIONS: These studies confirm the separation of these two new species from the other species of the genus Malassezia, as well as the presence of lipid-dependent Malassezia yeasts on parrots.
Authors: Renan C Soares; Pedro H Camargo-Penna; Vanessa C S de Moraes; Rodrigo De Vecchi; Cécile Clavaud; Lionel Breton; Antonio S K Braz; Luciana C Paulino Journal: Front Cell Infect Microbiol Date: 2016-11-17 Impact factor: 5.293
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