RubisCO of a nucleoside pathway known from Archaea is found in diverse uncultivated phyla in bacteria.

Wrighton, K.C., Castelle, C.J., Varaljay, V.A., Satagopan, S., Brown, C.T., Wilkins, M.J., Thomas, B.C., Sharon, I., Williams, K.H., Tabita, F.R., Banfield, J.F.