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. 2020 Apr 8;11:559. doi: 10.3389/fmicb.2020.00559

FIGURE 4.

FIGURE 4

Specificity of biological-active volatile secondary metabolites. Volatile secondary metabolites emitted by 26 B. subtilis isolates were summarized from 20 original scientific publication (see Table 1). Biological-active compounds were related to the total number of volatiles and the number of emitting B. subtilis isolates.