Fig. 6From: The draft genome of the hyperthermophilic archaeon Pyrodictium delaneyi strain hulk, an iron and nitrate reducer, reveals the capacity for sulfate reductionNitrogen metabolism. a Genomic predictions for ammonium (NH4) assimilation and Nap pathway for the reduction of nitrate (NO3 −) to nitrite (NO2 −) in strain Hulk. (CM, cytoplasmic membrane). b Growth (cell numbers per ml) of strain Hulk with formate and nitrate at optimum conditions of temperature (90 °C), pH (7), and osmolarity (2% NaCl) in reference to controls without the electron donor (formate)Back to article page