The energy metabolism of in different trophic conditions.

The "knallgas" bacterium is attracting interest due to its extremely versatile metabolism. can use hydrogen or formic acid as an energy source, fixes CO the Calvin-Benson-Bassham (CBB) cycle, and grows on organic acids and sugars. Its tripartite genome is notable for its size and duplications of key genes (CBB cycle, hydrogenases, and nitrate reductases).