Table 2.
Distribution of leaderless genes in sequenced prokaryotic genomes
| Group | Number1 | Avg. Percentage2 (%) |
|---|---|---|
| Archaea | ||
| Crenarchaeota | 21 (/24) | 49.5 (6.1, 66.7) |
| Euryarchaeota | 36 (/46) | 31.7 (3.8, 63.3) |
| Nanoarchaeota | 1 (/1) | 71.8 (71.8, 71.8) |
| Other Archaea | 1 (/1) | 41.2 (41.2,41.2) |
| Bacteria | ||
| Acidobacteria | 3 (/3) | 13.3 (9.7, 19.4) |
| Actinobacteria | 86 (/89) | 19.2 (2.3, 29.8) |
| Aquificae | 2 (/5) | 26.5 (20.7, 32.4) |
| Bacteroidetes/Chlorobi | 1 (/37) | 2.4 (2.4, 2.4) |
| Chloroflexi | 4 (/12) | 4.7 (4.0, 5.7) |
| Deinococcus-Thermus | 5 (/5) | 39.4 (35.9, 46.1) |
| Firmicutes | 56 (/209) | 4.2 (2.4, 16.6) |
| α-Proteobacteria | 2 (/117) | 6.3 (4.7, 7.8) |
| β-Proteobacteria | 9 (/71) | 6.8 (2.8, 10.6) |
| γ-Proteobacteria | 15 (/239) | 4.5 (3.0, 5.7) |
| δ-Proteobacteria | 8 (/33) | 15.8 (5.7, 20.6) |
| ε-Proteobacteria | 2 (/26) | 2.9 (2.7, 3.2) |
| Spirochaetes | 6 (/18) | 3.9 (1.8, 6.9) |
| Other Bacteria | 8 (/20) | 7.8 (1.4, 16.1) |
1 The number of genomes having leaderless genes. The numbers in parentheses show how many genomes have been sequenced in these groups.
2 The average percentages of leaderless genes. The numbers in brackets are the minimum and maximum percentages of leaderless genes in these genomes.