Table 2. Statistic analyses for the sequences around the initiation codon.
| Secondary structure randomization | Secondary structure SD versus non-SD | Interaction between 16S rRNA and mRNA | |||||
|---|---|---|---|---|---|---|---|
| Phylum | # of species | P < 0.05 | P < 0.01 | P < 0.05 | P < 0.01 | P < 0.05 | P < 0.01 |
| Actinobacteria | 22 | 0 | 0 | 0 (4) | 0 (4) | 7 | 6 |
| Aquificae | 1 | 0 | 0 | 1 | 1 | 0 | 0 |
| Bacteroidetes | 4 | 4 | 4 | 4 | 4 | 0 (1) | 0 |
| Chlamydiae | 7 | 3 | 1 | 7 | 7 | 0 | 0 |
| Chlorobi | 3 | 3 | 3 | 3 | 3 | 0 | 0 |
| Chloroflexi | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cyanobacteria | 9 | 8 | 7 | 9 | 9 | 0 (2) | 0 (1) |
| Deinococcus-Thermus | 3 | 3 | 3 | 3 | 3 | 0 | 0 |
| Firmicutes | 37 | 1 | 1 | 1 (8) | 1 (6) | 19 | 15 |
| Firmicutes excluding Mollicutes | 25 | 0 | 0 | 0 (8) | 0 (6) | 19 | 15 |
| Mollicutes | 12 | 1 | 1 | 1 | 1 | 0 | 0 |
| Fusobacteria | 1 | 0 (1) | 0 | 0 (1) | 0 (1) | 1 | 1 |
| Planctomycetes | 1 | 0 | 0 | 1 | 1 | 0 | 0 |
| Proteobacteria | 138 | 58 (3) | 50 (2) | 72 (8) | 70 (6) | 24 (1) | 21 (1) |
| α proteobacteria | 43 | 7 | 4 | 9 (7) | 8 (5) | 11 | 10 |
| β proteobacteria | 25 | 21 (2) | 20 (2) | 22 (1) | 22 (1) | 1 (1) | 1 (1) |
| γ proteobacteria | 53 | 29 (1) | 25 | 39 | 38 | 6 | 4 |
| δ proteobacteria | 11 | 1 | 1 | 2 | 2 | 3 | 3 |
| ε proteobacteria | 6 | 0 | 0 | 0 | 0 | 3 | 3 |
| Spirochaetes | 6 | 0 | 0 | 1 | 1 | 1 | 0 |
| Thermotogae | 1 | 0 | 0 | 0 | 0 | 1 | 1 |
| Crenarchaeota | 4 | 1 | 0 | 4 | 4 | 0 | 0 |
| Euryarchaeota | 20 | 1 | 1 | 15 | 14 | 6 | 5 |
| Nanoarchaeota | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
We applied a Bonferroni correction to each p-value. The number in a parenthesis indicates the number of species showing an opposite trend statistically.