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. 2019 Mar 11;10:454. doi: 10.3389/fmicb.2019.00454

FIGURE 1.

FIGURE 1

The effect of DNA extraction kits on α-diversity of both bacterial and eukaryotic plankton. (A) Rarefaction curves of each single community and the combined communities for bacteria and eukaryotes, respectively. (B) Comparison of community diversity parameters. The OTUs were defined at 97% sequence similarity level. All data are means ± standard error (n = 3). Significant difference (P < 0.05) is indicated by different letters of the alphabet, and the significance is calculated by non-parametric Kruskal-Wallis test.