Table 2.

Amounts of adenosine and guanosine phosphates in crude extracts of wild-type E. coli and R. cellulolyticum

Bacterial species	ADP (nmol)	ATP (nmol)	GDP (nmol)	GTP (nmol)	ATP/GTP
E. coli MG1655a	7.07 ± 1.92	11.17 ± 2.13	6.11 ± 1.55	4.6 ± 0.89	2.43 ± 0.19
R. cellulolyticumb	3.95 ± 0.68	1.24 ± 0.57	1.23 ± 0.45	1.04 ± 0.35	1.22 ± 0.44

^aMeans of three biological replicates (10 mL of suspension containing 2.0 ± 0.1 × 10⁹ cells), and two technical replicates for each biological sample. E. coli was grown aerobically in M9 medium supplemented with 2 g/L of glucose.

^bMeans of three biological replicates (10 mL of suspension containing 2.0 ± 0.3 × 10⁹ cells) and three technical replicates for each biological sample. R. cellulolyticum was grown anaerobically in basal medium supplemented with 2 g/L of cellobiose.