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Título: | The Indoor Mycobiomes of Daycare Centers Are Affected by Occupancy and Climate |
Autor: | Estensmo, Eva L.; Smebye Botnen, Synnøve; Maurice, Sundy; Martín Sánchez, Pedro Mª CSIC ORCID; Morgado, Luis; Bjorvand Engh, Ingeborg; Høiland, Klaus; Skrede, Inger; Kauserud, Håvard | Palabras clave: | Built environment Daycare center Dust Fungi Indoor air Mycobiome |
Fecha de publicación: | 22-mar-2022 | Editor: | American Society for Microbiology | Citación: | Applied and Environmental Microbiology 88(6): e02113-21 (2022) | Resumen: | Many children spend considerable time in daycare centers and may be influenced by the indoor microorganisms there, including fungi. In this study, we investigate the indoor mycobiomes of 125 daycare centers distributed along strong environmental gradients throughout Norway. Dust samples were collected from doorframes outside and inside buildings using a community science sampling approach. Fungal communities in the dust samples were analyzed using DNA metabarcoding of the internal transcribed spacer 2 (ITS2) region. We observed a marked difference between the outdoor and indoor mycobiomes. The indoor mycobiomes included considerably more yeasts and molds than the outdoor samples, with Saccharomyces, Mucor, Malassezia, and Penicillium being among the most dominant fungal genera. Changes in the indoor fungal richness and composition correlated with numerous variables related to both outdoor and indoor conditions; there was a clear geographic structure in the indoor mycobiome composition that mirrored the outdoor climate, ranging from humid areas in western Norway to drier and colder areas in eastern Norway. Moreover, the number of children in the daycare centers, as well as various building features, influenced the indoor mycobiome composition. We conclude that the indoor mycobiomes in Norwegian daycare centers are structured by multiple factors and are dominated by yeasts and molds. This study exemplifies how community science sampling enables DNA-based analyses of a high number of samples covering wide geographic areas. | Descripción: | 13 páginas. 4 figuras.- 4 tablas.- 53 referencias.-Supplemental material is available online only | Versión del editor: | http://dx.doi.org/10.1128/aem.02113-21 | URI: | http://hdl.handle.net/10261/291089 | DOI: | 10.1128/aem.02113-21 | ISSN: | 0099-2240 | E-ISSN: | 1098-5336 |
Aparece en las colecciones: | (IRNAS) Artículos |
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