Basal salt (g L-1)
NaCl 1.17
MgCl2·6H2O 0.40
KCl 0.30
CaCl2·2H2O 0.15
NH4Cl 0.27
KH2PO4 0.20
Electron acceptor and carbon sources (mmol L-1)
Ferric citrate 20
Lactate 10
Acetate 10
pH buffer (mmol L-1)
Bicarbonate 25
Vitamin solution (g L-1)
Biotin 2.0 x 10-4
Folic acid 2.0 × 10-4
Pyridoxine-HCl 10-3
Thiamine-HCl‧2H2O 5.0 × 10-4
Riboflavin 5.0 × 10-4
Nicotinic acid 5.0 × 10-4
D-Ca-pantothenate 5.0 × 10-4
Vitamin B12 10-5
p-Aminobenzoic acid 5.0 × 10-4
Lipoic acid 5.0 × 10-4
Trace metals(g L-1)
Nitrilotriacetic acid 1.5 × 10-4
MnCl2‧4 H2O 5.2 × 10-3
CoSO4‧7 H2O 1.8 × 10-3
NiCl2‧6 H2O 2.0 × 10-4
CuSO4‧5 H2O 10-4
ZnSO4‧7 H2O 2.0 × 10-3
Na2MoO4‧2 H2O 3.0 × 10-4
Na2SeO4 3.0 × 10-4
AlK(SO4)2‧12 H2O 3.0 × 10-4
H3BO3 10-4
Redox indicator (1 mL : 1 L)
Resozurin 1
Table 3: Compositions of media used for RB enrichment.