TABLE 1.
Effects of SCFA on growth rates of fecal bacteria on YCFAGSC medium
| Species | Strain | Specific growth rate (h−1) ona:
|
||
|---|---|---|---|---|
| Complete medium with SCFA | Medium with all SCFA omitted | Medium with all SCFA except acetate omitted | ||
| Coprococcus sp. | L2-50 | 0.34 ± 0.06 | 0.15 ± 0.01 | 0.17 ± 0.01 |
| F. prausnitzii | A2-165 | 0.21 ± 0.03 | 0.09 ± 0.0 | 0.32 ± 0.04 |
| Roseburia sp. | A2-181 | 0.37 ± 0.02 | 0.22 ± 0.0 | 0.39 ± 0.02 |
| Roseburia sp. | A2-183 | 0.42 ± 0.04 | 0.31 ± 0.021 | 0.35 ± 0.01 |
| R. intestinalis | L1-82 | 0.35 ± 0.02 | 0.37 ± 0.02 | 0.43 ± 0.01 |
| R. intestinalis | L1-952 | 0.44 ± 0.05 | 0.46 ± 0.03 | 0.48 ± 0.02 |
| R. intestinalis | L1-8151 | 0.39 ± 0 | 0.40 ± 0.05 | 0.41 ± 0.02 |
a
SCFA concentrations were 33 mM acetate, 9 mM propionate, 1.2 mM iso-butyrate, 1.0 mM iso-valerate, and 1.0 mM valerate. Growth rate values (μ) are averages of results of three replicates ± standard deviations.