Table 1.
Properties of genome-sequenced representatives of completely oxidizing SRB
| Members of Desulfobacteraceae | ||||||
|---|---|---|---|---|---|---|
| Property | Desulfococcus multivorans 1be1 | Desulfococcus biacutus KMRActS | Desulfococcus oleovorans Hxd3 | Desulfatibacillum alkenivorans AK-01 | Desulfobacula toluolica Tol2 | Desulfobacterium autotrophicum HRM2 |
| Physiological characteristics | ||||||
| Organic substrates | ||||||
| Aliphatic hydrocarbons | - | - | C12 - C20 | C13 - C18 | - | - |
| Aromatic hydrocarbons | - | - | - | - | 1 | - |
| Fatty acids | < C14 a, b | < C7 a | C4 - C18 | < C16 | < C4 | < C16 a |
| Other aliphatic compounds | 6 | 8 | - | 3 c | 8 | 8 |
| Polar aromatic compounds | 7 | - | - | - | 7 | - |
| Electron acceptors | ||||||
| Sulfate | + | + | + | + | + | + |
| Sulfite | + | + | + | + | + | - |
| Thiosulfate | + | + | + | + | + | + |
| Autotrophy | - | - | - | + | - | + |
| Syntrophy | - | n.d. | n.d. | + | n.d. | n.d. |
| Genome features | ||||||
| Size (bp) | 4 455 399 | 5 242 029 | 3 944 167 | 6 517 073 | 5 197 905 | 5 589 073 |
| Sequencing status | complete | completed | complete | complete | complete | complete |
| G + C content (mol%) | 57 | 58 | 57 | 56 | 42 | 49 |
| rRNA operons | 3 | 1 | 1 | 2 | 4 | 6 |
| tRNAs | 54 | 51 | 47 | 56 | 48 | 50 |
| Coding sequences (CDS) | 3942 | 4708 | 3267 | 5296 | 4375 | 4943 |
| Coding (%) | 87 | 89 | 88 | 87 | 87 | 88 |
| Average size (bp) | 985 | 987 | 1066 | 1080 | 1039 | 1017 |
| Assigned function | 2648 | 3520 | 2602 | 4053 | 3188 | 3477 |
| Conserved unknown | 689 | 1162e | 665e | 1243e | 681 | 1466e |
| Unknown | 605 | 512 | ||||
| Plasmids | - | - | - | - | - | 1 |
| Phage | - | n.d. | - | - | 1 | 1 |
| CRISPR | 6 | 8 | 2 | 1 | 3 | 1 |
| Accession number | CP015381 | 125602g | CP000859 | CP001322 | FO203503 | CP001087 |
| References | ([31]; this study) | ([75, 76]; IMGf) | ([77]; IMGf) | [16, 78] | [15, 79] | [14, 80] |
n.d., no data available
aalso branched-chain fatty acids
balso cyclohexane carboxylate
cpoorly utilized
ddraft sequence
ewithout predicted function (https://img.jgi.doe.gov/)
f IMG, https://img.jgi.doe.gov/
gNCBI taxon ID