Study of airborne fungus spores by viable and non-viable methods in Havana, Cuba
2013
Almaguer, Michel | Aira, María-Jesús | Rodríguez-Rajo, Francisco-Javier | Rojas, Teresa-Irene
The Havana aeromycobiota diversity was studied from November 2010 to October 2011 using two complementary volumetric methods. A total of 35 fungal genera were characterised, 26 of them were recognised only by non-viable methods, six with viable methodology and the other three with both sampling methods. Furthermore, 47 species were identified by cultivation and the spores collected with the non-viable methodology. These could not be included in a specific genus, and thus, were categorised into five fungal types. In general, the main, spread worldwide, mitosporic fungi also predominated the Havana atmosphere. The predominant species were Cladosporium cladosporioides , Aspergillus flavus and Penicillium citrinum . Moreover, several Zygomycetes (Syncephalastrum racemosum , Rhizopus stolonifer and Rhizopus oryzae), Ascomycetes (Chaetomium globosum) and Basidiomycetes such as Coprinus or Ganoderma were isolated. In the present paper, the review of the airborne fungi conducted in previous studies in Cuba was completed by the detection of two new genera and the first isolation of ten new records in the Cuban atmosphere. Most of the fungi detected showed a diurnal pattern with high spore peak at 11.00–12.00.
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