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. 2016 Feb 18;7:186. doi: 10.3389/fmicb.2016.00186

FIGURE 6.

FIGURE 6

Copy numbers (A) and average copy numbers (B) of 16S rRNA, alkB and srfA genes detected in the water samples stimulated by nutrients or in combination with Bacillus subtilis M15-10-1. A: microcosm containing nutrients; B: microcosm containing nutrients and crude oil; C: microcosm containing nutrients, crude oil, and Bacillus subtilis M15-10-1; G: glucose; g: glycerol; m: molasses; and c: corn steep powder. ∗∗∗The abundance of the gene was significantly different among water samples stimulated by nutrients or in combination with Bacillus subtilis M15-10-1 (P < 0.0001).