JCM 1064 . GEOSPOROBACTER MEDIUM

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Equipment needed: Anaerobic workbench Autoclave Filter

Final pH: 7.8

Select a strain (optional):

ml
Compound Amount Unit
KCl 0.50 g
KH2PO4 0.20 g
NaCl 1.00 g
NH4Cl 0.05 g
CaCl2 x 2 H2O 0.10 g
MgCl2 x 6 H2O 0.40 g
Yeast extract 1.00 g
Glucose 0.36 g
Trace vitamins 1.00 ml
Trace element solution 1.00 ml
NaHCO3 0.84 g
Na2S x 9 H2O 0.50 g
Resazurin 1.00 mg
Distilled water 1000.00 ml
1 Mix ingredients except NaHCO3, Trace vitamins and Na2S x 9H2O, and autoclave under a N2-CO2 (90:10) atmosphere. Filter-sterilize NaHCO3 as an 8.4% solution and Trace vitamins while gassing with N2. Separately autoclave Na2S x 9H2O as 5% solution under a N2 atmosphere. Aseptically and anaerobically add NaHCO3 and Trace vitamins to the medium under a N2-CO2 (90:10) atmosphere. Prior to inoculation, add the sterile Na2S x 9H2O solution, and adjust pH to 7.5 - 8.0.

Trace element solution #

Compound Amount Unit
Na2-EDTA 0.640 g
MgSO4 x 7 H2O 6.200 g
MnSO4 x n H2O 0.550 g
NaCl 1.000 g
FeSO4 x 7 H2O 0.100 g
CoCl2 x 6 H2O 0.170 g
CaCl2 x 2 H2O 0.130 g
ZnSO4 x 7 H2O 0.180 g
CuSO4 x 5 H2O 0.050 g
AlK(SO4)2 x 12 H2O 0.018 g
H3BO3 0.010 g
Na2MoO4 x 2 H2O 0.011 g
NiCl2 x 6 H2O 0.025 g
1 Dissolve EDTA x 2Na first in 500 ml of distilled water. Then add the remaining salts and adjust volume to 1000 ml.