Table 6 Experimental information for concentrations and changes under starvation

(p)ppGpp

50 μM

-

E.coli

[11]

10-30 μM

millimolar

B.subtilis

[22]

GTP

900 μM

-

E.coli

[16]

-

3-fold drop (arginine starved)

B.subtilis

[21]

1000-3000 μM

-

B.subtilis

[17]

-

3-fold drop (glucose starved)

marine Vibrio

[57]

GDP

100 μM

-

E.coli

[16]

-

14-fold drop (arginine starved)

B.subtilis

[21]

GMP

24 μM

-

E.coli

[58]

[pppGpp]:[GTP] ratio

≈0.1

≈0.3 (arginine starved)

B.subtilis

[38]

0.08

-

E.coli

[59]

[ppGpp]:[GTP] ratio

≈0.25

≈1.2 (arginine starved)

B.subtilis

[38]

0.16

-

E.coli

[59]

≈0.1

≈1.5 (arginine starved)

C.crescentus

[20]

≈2.5 (glucose starved)