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. 2013 Oct 2;1:25. doi: 10.1186/2049-2618-1-25

Figure 1.

Figure 1

Correspondence analysis showing reproducibility and 16S profile similarities within biofilm and saliva samples. Axis 1 explains 47% of the variation in the dataset; axis 2 explains 19% of the variation. Replicate biofilm samples representing batches 1 and 3 cluster closely together whereas batch-2 biofilms that derive from an SIP experiment cluster more distantly along the first ordination axis. Saliva-derived replicates (1 to 3) also show similar 16S diversity.