Table 2.

Key metabolites detected in the growth medium of H. influenzae 2019.

Metabolite		Initial conc. (mM)	Aerobic (mM)	Microaerophilic (mM)	Anaerobic (mM)
Substrates	Glucose	10	1.98	2.26	3.864
	Pyruvate	0.87	0.018	0.015	0.041
	Inosine	6.5	2.60	3.043	3.347
Products	Formate	n.d.+	2.09	13.16	23.04
	Acetate	n.d.+	11.17	8.06	4.74
	Hypoxanthine	n.d.+	1.63	1.53	1.242
	Glycerol	n.d.+	0.046	0.04	0.032
	Succinate	n.d.+	0.007	0.401	1.009
	Lactate	n.d.+	0.069	0.098	0.456

Samples were taken in late exponential phase. A list of minor metabolites detected is available in Table S6. ⁺not detected.