Table 1. Composition of the ocular surface microbiota by phylum and genus, determined according to relative abundance of classified 16S rRNA gene reads [14].
| Percentage of all sequencesa (%) | ||
| Phylum | Proteobacteria | 64% |
| Acetinobacteria | 19.6% | |
| Firmicutes | 3.9% | |
| Unclassifiedb | 12.5% | |
| Genus | Pseudomonas | 18% |
| Bradyrhizobium | 12% | |
| Propionibacterium | 11% | |
| Acinetobacter | 9% | |
| Corynebacterium | 8% | |
| Brevundimonas | 4% | |
| Staphylococcus | 2% | |
| Aquabacterium | 2% | |
| Sphyngomonas | 0.5% | |
| Streptococcus | 0.5% | |
| Other | 2% | |
| Unclassifiedb | 31% |
aDong et al. analyzed 115,003 sequences in total. bThe Ribosomal Database Project-II software was unable to classify 12.5% and 31% of sequences to the phyum and genus level, respectively. Unclassified bacteria are designated as novel phylotypes.