Additional file 4.

Functional categories significantly enriched in the clusters selected by PC2 component score (both positive and negative values). Categories enriched in the positive cluster are depicted in green while those enriched in the negative one are in pink. Absolute values of the log10 transformed P-values were used for the bar diagram representing statistical signification, only categories with P-values < 0.05 were shown.

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Díaz-Riquelme et al. BMC Plant Biology 2012 12:181   doi:10.1186/1471-2229-12-181