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. Author manuscript; available in PMC: 2012 Jun 16.
Published in final edited form as: Science. 2011 Dec 16;334(6062):1518–1524. doi: 10.1126/science.1205438

Figure 6. Associations Between Bacterial Species in the Gut Microbiota of ‘Humanized’ Mice.

Figure 6

(A) A non-coexistence relationship explained by diet: under the LF/PP diet a Bacteroidaceae species-level OTU dominates while under a Western diet an Erysipelotrichaceae species dominates. (B) A non-coexistence relationship occurring only in males. (C) A non-linear relationship partially explained by donor. (D) A non-coexistence relationship not explained by diet. (E) A spring graph (see SOM, Section 4.9) in which nodes correspond to OTUs and edges correspond to the top 300 non-linear relationships. Node size is proportional to the number of these relationships involving the OTU, black edges represent relationships explained by diet, and node glow color is proportional to the fraction of adjacent edges that are black (100% is red, 0% is blue).