Table 1.
Occurrence and Co-Occurrence of the Genes Encoding the Last Two Steps of the Purine Biosynthetic Pathway in Bacteria and Archaea and the Genomic Context They are Found
| Occurrence Per OTU |
Co-Occurrence Per OTU |
In Context with Other Pur Genes |
Not in Context with Other Pur Genes |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Genes | Archaea | Bacteria | Total | Genes | Archaea | Bacteria | Genes | Archaea | Bacteria | Archaea | Bacteria |
| purH | 23 | 1,083 | 1,106 | purH/purV | — | 17 | purV | 25 | 26 | 3 | 55 |
| purV | 28 | 81 | 109 | purH/purJ | — | 4 | purJ | — | 16 | 4 | 34 |
| purJ | 4 | 50 | 54 | purH/purO | — | 3 | purO | 6 | 15 | 53 | 7 |
| purP I | 25 | — | — | purV/purJ | — | 44 | purP I | — | — | 25 | — |
| purP II | 62 | — | — | purV/purO | 25 | 19 | purP II | 25 | — | 37 | — |
| purP III | 61 | — | — | purH/purV/purO | — | 1 | purP III | 32 | — | 29 | — |
| purP IV | 6 | — | — | purP II/purP III | 37 | — | purP IV | 6 | — | — | — |
| purO | 59 | 22 | 81 | purP II/purP III/purJ | 4 | — | |||||
| purP I/purO | 24 | — | |||||||||
| purP I/purP II/purP III/purO | 1 | — | |||||||||
| purP II/purP III/purV/purO | 3 | — | |||||||||
| purP II/purP III/purH | 10 | — | |||||||||
| purP II/purP III/purP IV/purO | 6 | — | |||||||||
Note.—Genes in genomic context are together with other genes of the PBP.