While the microbial richness, structure, and composition differences were not statistically significant between the control individuals and the individuals prone to OM in the indigenous Filipino community segregating FUT2 p.Arg202∗ variant, the individuals from a Colorado cohort prone to OM and carrier for the FUT2 p.Trp154∗ variant had a relatively high abundance of Lactobacillales and Gamma-proteobacteria in their middle ears (Santos-Cortez et al., 2018). The gene discussed is FUT2; the disease is ocular melanoma.