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Microbial diversity of indoor air based on deeply sequenced amplicons covering: (a) the bacterial V3V4 16S rDNA gene fragment and (b) the fungal ITS2 region. The bar chart shows by default the relative abundance of bacterial families with an abundance greater than 2% in at least one variant. Sequences that were not assigned at the family level were named in accordance with the lowest available taxonomy: o - order.
