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. 2015 Mar 11;17(3):392–403. doi: 10.1016/j.chom.2015.01.011

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© 2015 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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OTU Enrichment at the Barley Root/Soil Interface

Ternary plots of all OTUs detected in the data set with RA > 0.5% in at least one sample in (A) Hordeum vulgare ssp. spontaneum, (B) H. vulgare ssp. vulgare Landrace, and (C) H. vulgare ssp. vulgare Modern. Each circle represents one OTU. The size of each circle represents its relative abundance (weighted average). The position of each circle is determined by the contribution of the indicated compartments to the total relative abundance. Dark blue circles mark OTUs significantly enriched in the root microhabitat (Root_OTUs, FDR, p < 0.05), magenta circles mark OTUs significantly enriched in the rhizosphere microhabitat (Rhizo_OTUs, FDR, p < 0.05), and cyan circles mark OTUs significantly enriched in both microhabitats (RR OTUs, FDR, p < 0.05).