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. 2014 May 29;8(5):e2897. doi: 10.1371/journal.pntd.0002897

Figure 4. (a) Phylogenetic tree of Streptococcus indicating tentative species.

Figure 4

(b) Relative abundance of streptococcal species in each sample. (a) A phylogenetic tree was constructed for OTUs assigned to the genus Streptococcus using known reference 16S rRNA genes. The accession is noted in bracket for each reference species. The number in brackets following the OTU name indicates the read counts within the OTU. The tree was rooted with the outlier Lactococcus lactis. (b) Bar chart demonstrating the relative abundance of each OTU in the pig cohorts over time. The graph depicts that the OTUs are overall stable between the three cohorts within each week and over time, irrespective of the presence or absence of mites.