Research Article
Low Rates of Lateral Gene Transfer among Metabolic Genes Define the Evolving Biogeochemical Niches of Archaea through Deep Time
Table 4
Organic carbon degradation.
| Gene name | Gene | Linked to | Number of LGT events | Monophyletic clades |
| Chitinase and chitin degradation | ChiA | GlmA, GlmD, and Dak in Thermococcales | 2 | (1) Thermococcales (2) Halobacteriales |
| Phenol/toluene/xylene hydroxylases | | S. islandicus-S. solfataricus catechol dioxygenase, P. arsenaticum class III extradiol dioxygenases | | (1) S. islandicus, S. Solfataricus (2) P. arsenaticum |
| Hydroxyphenylacetate hydroxylases | HpaH | Sulfolobales HpaD | | (1) Sulfolobales (2) P. oguniense |
| Class II extradiol dioxygenases | HpaD | Sulfolobales HpaH, S. islandicus-S. solfataricus class III extradiol dioxygenases; S. islandicus-S. solfataricus phenol/toluene hydroxylases | 3 | (1) Sulfolobales (HpaH and catechol dioxygenase) (2) P. oguniense |
| Class III extradiol dioxygenases | | S. islandicus HpaD, P. arsenaticum phenol/toluene hydroxylases, and Sulfolobales hydroxyphenylacetate hydroxylases | 6 | (1) Sulfolobales (2) Tp. Acidophilum (3) P. arsenaticum, P. Aerophilum (4) Methanobacterium sp. AL-21, SWAN (5) Methanosphaera and Methanoregula (6) Methanosarcina acetivorans, M. barkeri |
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