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. 2018 Oct 8;9:1256. doi: 10.3389/fpls.2018.01256

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Copyright © 2018 Battenberg, Potter, Tabuloc, Chiu and Berry.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Pearson correlation of gene expression fold change between two species. Gene expression fold change (nodule over root) is plotted as a comparison between each pair of species. The Pearson correlation coefficient calculated from all representative MergedOrthoGroup (in gray) is displayed in the second quadrant along with the corresponding p-value. The Pearson correlation coefficient of root co-enhanced MergedOrthoGroups (in blue) and nodule co-enhanced MergedOrthoGroups (in red) are displayed in the third and the first quadrant, respectively. Blue and the red lines each show the regression lines of root and nodule co-enhanced MergedOrthoGroups, respectively.