TABLE 2

Corrinoid-producing capacity of PfR7 grown in isolation with and without DMB and in the Dhc195/DvH/PfR7(+DMB) triculture

CultureCorrinoid production (nmol/100 ml of culture)PfR7 cell density (108 cells/100 ml of culture)Corrinoid-producing capacity (nmol/108 cells)
Cobalamin[p-Cre]Cba[Phe]CbaCbiTotal
CellaSupbCellSupCellSupCellSupCellSup
PfR7000.210.0250.1003.0 × 10−30.0100.310.0350.400.86
PfR7(+DMB)0.0400.0140.200.0240.02300.0100.0160.270.0540.620.52
Dhc195/DvH/PfR7(+DMB)0.0883.5 × 10−30.250000.01200.353.5 × 10−30.271.3
  • a Biomass-associated amount.

  • b Supernatant-associated amount.