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. 2016 Sep 13;7:1384. doi: 10.3389/fmicb.2016.01384

FIGURE 3.

FIGURE 3

Order, family- and genus-level identification of 16S rRNA clones representing the Alphaproteobacteria and Deltaproteobacteria in the sequence dataset shown in Figure 2 at phylum-level resolution. The y-axis shows the total number of sequences. The color key identifies the 16S rRNA gene contributions for every sediment sample. Yellow, orange, red and brown colors were chosen for oil-contaminated samples, and green and blue colors were chosen for control samples lacking visible oil impact.