Additional file 6.

PCA-DA plots to determine tissue specificity ofO. unilateralis s.l.onC. castaneustissues. (A) PCA-DA plot showing the clustering of O. unilateralis s.l. secretion in Schneider’s medium, medium with ant brains and medium with mandibular muscles. (B-C) PCA-DA plots showing the clustering of O. unilateralis s.l. in the presence of (B) ant brains or (C) ant mandibular muscles versus their respective tissue controls, the medium control and fungal growth in the medium without ant tissues. (D) PCA-DA plot showing the clustering of all sample types related to O. unilateralis s.l. secretion in the presence of C. castaneus tissues that were generated across the two metabolomics data sets discussed in this study.

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de Bekker et al. BMC Evolutionary Biology 2014 14:166   doi:10.1186/s12862-014-0166-3