Table 3. Acetic acid production (mM) of standard acetogen Eubacterium limosum and four isolated acetogens in RM02 medium

Culture condition	Strains					SEM	p-value
Culture condition	E. limosum ATCC8486	DA02¹⁾	GA01²⁾	GA02³⁾	GA03⁴⁾	SEM	p-value
Con⁵⁾	6.12^d	6.57^c	8.74^a	5.22^e	7.45^b	0.016	<.0001
H₂-CO₂⁶⁾	6.13^d	6.92^c	9.93^a	5.53^e	9.88^b	0.011	<.0001
Glucose⁷⁾	5.18^c	5.94^b	3.3^d	5.01^c	11.31^a	0.044	<.0001

SEM, Standard error of the means.
DA02, Proteiniphilum acetatigenes DA02 (MK414692).
GA01, Proteiniphilum acetatigenes GA01 (MK414691).
GA02, Alkaliphilus crotonatoxidans GA02 (MK414768).
GA03, Proteiniphilum acetatigenes GA03 (MK414775).
The cultures were cultivated without (Con) or with addition of mix gas (80% H₂ and 20% CO₂) and 5 mM glucose.