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Environmental Sciences Europe
Fig. 1 | Environmental Sciences Europe

Fig. 1

From: The impact of the anti-diabetic drug metformin on the intestinal microbiome of larval brown trout (Salmo trutta f. fario)

Fig. 1

Composition of the phylum Firmicutes (a). Different orders of the phylum Firmicutes, i.e. Lactobacillales (b), Bacillales (c), and Clostridiales (d). Percentages are in comparison to the overall intestinal mucoid microbiome composition. Changes in the intestinal microbiome within these taxonomic units, after exposure to metformin concentrations ranging from 0 µg/L (control) to 1000 µg/L, were analysed with 16S rRNA gene amplicon sequencing after 108 days of exposure

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