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. 2017 Dec 19;5:e4178. doi: 10.7717/peerj.4178

Figure 6. Principal component analysis (PCA) plots of OTUs among kits and researchers.

Figure 6

The black circles in bacteria (A) showed one cluster of each sample. A, B, C, D, E, and F; samples name, MN, NucleoSpin® Soil Kit; MO, PowerSoil® DNA Isolation Kit; R, Researcher R, T, Researcher T. (A) bacteria; (B) archaea; (C) fungi; (D) other eukaryotes.