Low Rates of Lateral Gene Transfer among Metabolic Genes Define the Evolving Biogeochemical Niches of Archaea through Deep Time

<table>Nitrite reduction. Phylogenetic trees for (a) Cu-containing nitrite reductase beta subunit (NirK), (b) Heme-containing nitrite reductase (NirS), (c) nitric oxide reductase (NorB), and (d) nitrous oxide reductase (NosZ).</table>

Archaea

fig11

Figure 11

Figure 11: Low Rates of Lateral Gene Transfer among Metabolic Genes Define the Evolving Biogeochemical Niches of Archaea through Deep Time 