TABLE 2.
Intracellular levels of guanine nucleotides during growth of S. mutans in SMM–1% glucose at 37°C
S. mutans strain and growth phase | pmol/A600 unita
|
|||
---|---|---|---|---|
GDP | GTP | ppGpp | pppGpp | |
GS5(gtfB)::pSIV2 | ||||
Mid-log | 0 | 250 ± 22 | 131 ± 9 | 0 |
Early stationary | 0 | 749 ± 21 | 7 ± 0.43 | 0 |
GS5(gtfB)::pSIV2-SGPAN | ||||
Mid-log | 505 ± 26 | 246 ± 10 | 90.5 ± 4 | 39.5 ± 2 |
Early stationary | 1,509 ± 82 | 865 ± 35 | 40 ± 1.0 | 0 |
Means and standard deviations from duplicate experiments.