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EVALUATION OF T3B FINGERPRINTING FOR IDENTIFICATION OF CLINICAL AND ENVIRONMENTAL SPOROTHRIX SPECIES
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Fundação Oswaldo Cruz. Instituto de Pesquisa Clínica Evandro Chagas. Laboratório de Micologia. Rio de Janeiro, RJ, Brasil.
Universidade do Minho. Molecular and Environmental Biology Centre. Braga, Portugal.
University of Messina. Department of Environmental and Biological Sciences. Messina, Italy.
Universidade do Minho. Molecular and Environmental Biology Centre. Braga, Portugal.
University of Messina. Department of Environmental and Biological Sciences. Messina, Italy.
Universidade do Minho. Molecular and Environmental Biology Centre. Braga, Portugal.
Fundação Oswaldo Cruz. Instituto de Pesquisa Clínica Evandro Chagas. Laboratório de Micologia. Rio de Janeiro, RJ, Brasil.
Universidade do Minho. Molecular and Environmental Biology Centre. Braga, Portugal.
University of Messina. Department of Environmental and Biological Sciences. Messina, Italy.
Universidade do Minho. Molecular and Environmental Biology Centre. Braga, Portugal.
University of Messina. Department of Environmental and Biological Sciences. Messina, Italy.
Universidade do Minho. Molecular and Environmental Biology Centre. Braga, Portugal.
Fundação Oswaldo Cruz. Instituto de Pesquisa Clínica Evandro Chagas. Laboratório de Micologia. Rio de Janeiro, RJ, Brasil.
Abstract
In this study, PCR fingerprinting using the universal primer T3B was applied to distinguish among clinical and environmental species of the Sporothrix complex, Sporothrix brasiliensis, S. globosa, S. mexicana, S. pallida, S. luriei and S. schenckii sensu stricto. The T3B fingerprinting generated clearly distinct banding patterns, allowing the correct identification of all 43 clinical and environmental isolates at the species level, what was confirmed by partial calmodulin gene sequence analyses. This technique is reproducible and provides the identification of all species of the Sporothrix complex with sufficient accuracy to be applied in clinical mycology laboratories as well as in epidemiological studies in order to obtain a better understanding of the epidemiology of sporotrichosis.
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