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Revista argentina de microbiología

versión impresa ISSN 0325-7541versión On-line ISSN 1851-7617

Resumen

GIUSIANO, Gustavo E et al. Biodiversity of species of Aspergillus section Fumigati in semi-desert soils in Argentina. Rev. argent. microbiol. [online]. 2017, vol.49, n.3, pp.247-254. ISSN 0325-7541.  http://dx.doi.org/10.1016/j.ram.2017.02.002.

The distribution of Aspergillus species in soil has been widely studied all over the world. The aim of this study was the phenotypic and genotypic characterization of species belonging to section Fumigati present in soils from two Argentinian semi-desert areas having different geological conditions. Altogether, 23 isolates belonging to Aspergillus section Fumigati were recovered and identified using a polyphasic approach including phenotypic and molecular identifications. Aspergillus fumigatus sensu stricto and Aspergillus fumigatiaffinis had the highest frequency, of occurrence while isolates closely related to Aspergillus udagawae and Aspergillus felis were rarely observed. A. fumigatiaffinis and isolates closer to A. udagawae were isolated for the first time from Argentinian soils and this is the first report on the occurrence of species belonging to the A. felis clade in South America. Recent scientific interests in biodiversity, as well as the increasing importance of aspergilli as causative agents of human and animal diseases increase the need to understand the diversity and occurrence of these fungi in nature.

Palabras clave : Aspergillus felis; Aspergillus udagawae; Aspergillus fumigatiaffinis; Aspergillus fumigatus; Soil.

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