Table 2.
Maximum phylogenetic distances used to infer trait values
| Trait | Max. distance |
|---|---|
| Aggregation score | 0.00 |
| B vitamins | 0.06 |
| 16S gene copies | 0.05 |
| GC content | 0.12 |
| Gene number | 0.08 |
| Genome size | 0.09 |
| Gram-positive | 0.10 |
| IgA binding affinity | 0.00 |
| Length | 0.12 |
| Motility | 0.08 |
| Oxygen tolerance | 0.11 |
| pH optimum | 0.00 |
| Salt optimum | 0.00 |
| Sporulation score | 0.06 |
| Temperature optimum | 0.14 |
| Width | 0.12 |
Percent sequence dissimilarities (i.e., phylogenetic distances) in the 16S rRNA V4 region at which statistical support for trait conservatism disappears for each trait (see Methods and Supplementary Figure 9)