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. 2018 Jan 26;9:57. doi: 10.3389/fmicb.2018.00057

Figure 2.

Figure 2

Co-occurrence of the observed metabolites (A CYA and B YESA). A positive association means that in case one metabolite is observed it is very likely that also the other metabolite will be present. A negative association means that in case one metabolite is observed it is very unlikely that also the other metabolite will occur. A random association means that nothing can be said concerning the co-occurrence of both metabolites.