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Fig. 7 | Microbiome

Fig. 7

From: Interactive effects of temperature, organic carbon, and pipe material on microbiota composition and Legionella pneumophila in hot water plumbing systems

Fig. 7

Impact of pipe material on hot water microbiota illustrated using PCoA plot of SWHs with copper (circles) or PEX (triangles) pipe sections supplemented with 0 (white), 20 (light gray), or 700 (dark gray) microgram per liter AOC and incubated at 32 °C. The most abundant OTUs significantly correlated with both axes are shown as the arrows and labeled with their best-known taxonomy identification. In bold are OTUs significantly enriched in one pipe material at all lower temperatures (32–41 °C). Embedded figures show the relative abundance of copper (lower) and PEX (upper) enriched OTUs in SWHs at 32 °C

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