Additional file 2.

Discriminative metabolites of PCA loadings and significant changes in the metabolite levels of WT, mto1, and tt4. All 59 metabolites that contributed to the separation of the mutant profiles group from WT are shown: mto1/WT in the roots (A) and aerial parts (B) and tt4/WT in the roots (C) and aerial parts (D). Differentially changed metabolites were identified with the rank product method (see Methods). Significantly changed metabolites manifested a false discovery rate (FDR) < 0.05.

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Fukushima et al. BMC Systems Biology 2011 5:1   doi:10.1186/1752-0509-5-1