TABLE 2.
Product formation after 120-h fermentation of strains 824(pIMP1), 824(pMSpoD), and 824(pMSpo)a
| Strain | Product formation (mM) (mean ± SD)
|
||||
|---|---|---|---|---|---|
| Ethanol (mM) | Acetone (mM) | Acetate (mM) | Butanol (mM) | Butyrate (mM) | |
| 824(pIMP1) (n = 4) | 7.25 ± 0.48 | 24.50 ± 0.87 | 12.50 ± 1.32 | 69.75 ± 3.50 | 5.00 ± 0.41 |
| 824(pMSpoD) (n = 4) | 7.00 ± 0.71 | 25.50 ± 1.94 | 11.75 ± 0.48 | 72.75 ± 2.93 | 3.50 ± 0.29 |
| 824(pMSpo)+ (n = 4) | 7.25 ± 0.95 | 27.00 ± 2.12 | 10.50 ± 0.65 | 69.50 ± 4.01 | 3.25 ± 0.48 |
| 824(pMSpo)0 (n = 3) | 0.00 ± 0.00 | 0.00 ± 0.00 | 17.67 ± 0.88 | 0.00 ± 0.00 | 37.33 ± 2.03 |
a
Data for strain 824(pMSpo) is divided into those cultures which produced solvents, designated 824(pMSpo)+, and those which did not, designated 824(pMSpo)0.