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. Author manuscript; available in PMC: 2020 Apr 30.
Published in final edited form as: Nature. 2019 Oct 30;575(7781):224–228. doi: 10.1038/s41586-019-1708-z

Fig. 1 |. T6SS orphan immunity genes are found in human gut microbiomes.

Fig. 1 |

Abundance comparison of B. fragilis-specific T6SS immunity genes a or effector genes b with B. fragilis marker genes in adult microbiome samples derived from the HMP and MetaHIT studies (Supplementary Table 1). Abundance values denote the number of reads mapped to the gene, normalized by gene length and total number of reads in the sample. Abundances are calculated as the average abundance of all immunity, effector, or B. fragilis species-specific marker genes. Samples with undetectable B. fragilis (green) and samples in which immunity gene abundance exceeds that of Bacteroides by over 10-fold (blue) are highlighted.