Table 1.

General features of the Sulfurovum sp. NBC37-1 and Nitratiruptor sp. SB155-2

CharacteristicsSulfurovum sp. NBC37-1Nitratiruptor sp. SB155-2
Energy sourceH2, S2−, S0, S2O3 2− H2, S2−, S0, S2O3 2−
Electron acceptorO2, NO3 O2, NO3
Temperature range for growth, °C (optimal)10–37 (33)37–65 (55)
Chromosome
    Size, bp2,562,2771,877,931
    G+C content, mol %43.839.7
Coding sequence (CDS)
    Total no.2,4661,857
    CDSs with putative function, %49.460.2
    Percent of coding region90.195.1
No. of rrn operons33
No. of tRNA genes4445