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Revista argentina de microbiología

Print version ISSN 0325-7541On-line version ISSN 1851-7617


VIEILLE OYARZO, Peggy; CRUZ CHOAPPA, Rodrigo  and  PIONTELLI LAFORET, Eduardo. Isolation of Aspergillus tritici from internal environment (Chile): Ecological and clinical scope. Rev. argent. microbiol. [online]. 2019, vol.51, n.1, pp.66-70. ISSN 0325-7541.

Indoor environments provide important protective habitats for humans, who live or work in them most of the time. Many of these environments lack ventilation, which affects the composition of microbial communities, especially that of the fungal community. The aim of this study is to report the isolation of Aspergillus section Candidi from indoor environments of the School of Medicine at Universidad de Valparaiso, Chile, and identification through morpho-physiological and molecular approaches. Their ecological and clinical features were highlighted. An environmental non-volumetric sampling was performed on PDA medium; 2 petri dishes were exposed in 10 different places to select the Aspergillus samples. Subcultures were performed on agar Czapek with yeast extract (CYA), malt extract agar (MEA) and creatin sacarose agar (CREA) media only for the morpho-physiological and later the molecular identification of white spore species. Of the 20 samples analyzed, one Aspergillus belonging to Candidi section was isolated. Based on its morphology and molecular features, it was classified as Aspergillus tritici Mehrotra & Basu. Its ecology and medical relevance are reviewed and discussed.

Keywords : Aspergillus tritici; Section Candidi.

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