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. Author manuscript; available in PMC: 2016 Mar 11.
Published in final edited form as: Cell Host Microbe. 2015 Feb 26;17(3):385–391. doi: 10.1016/j.chom.2015.01.015

Figure 2. Stool microbial composition mirrors that of the colonic lumen.

Figure 2

Each dot corresponds to the average relative abundance of an OTU across 15 animals for each of 4 intestinal regions (SI mucosa and lumen, LI mucosa and lumen). To measure correlation, Spearman’s r was calculated between stool and mean region OTU abundance. Marks on the x-axis (vertical lines) or y-axis (horizontal lines) margins represent OTUs with zero measured abundance at one site but non-zero abundance at the other. See also Fig. S2.