Research Article

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

Figure 10

Nitrate reduction. Phylogenetic trees for nitrate reductase (a) catalytic alpha subunit (NarG) and (b) electron transfer beta subunit (NarH).
843539.fig.0010a
(a) Nitrate reductase, NarG
843539.fig.0010b
(b) Nitrate reductase, NarH