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. 2017 Feb 20;7:42625. doi: 10.1038/srep42625

Figure 9.

Figure 9

Principal Component Analysis (PCA) of (a) Asparagopsis taxiformis metabolomic fingerprints of macroalgae sampled in situ in contact interaction with the coral Astroides calycularis and references (no interaction with corals) (methanolic extracts analyzed in (+)–ESI and (−)–ESI). (b) Astroides calycularis metabolomic fingerprints of coral sampled in situ in contact interaction with the macroalgae Asparagopsis taxiformis and references (no interaction with macroalgae) (methanolic extracts analyzed in (+)–ESI) (scores plot). Bioactivities of macroalgal extracts are given as gamma. Ellipses are graphical representations of groups without any statistical support.