JCM 499 . SULFATE-FREE SYNTROPHOMONUS MEDIUM

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Equipment needed: Autoclave Filter

Final pH: 7.2

Select a strain (optional):

ml
Compound Amount Unit
Solution A 916 ml
Solution B 70 ml
Solution C 10 ml
Solution D 10 ml
1 Mix ingredients of Solution A, adjust pH to 7.2, bring to a boil for a few minutes and cool down to room temperature under a stream of N2-CO2 (4:1, v/v) gas mixture. Distribute the solution into culture vessels under the same gas mixture, seal with butyl rubber stoppers and autoclave. Filter-sterilize Solution B and equilibrate by gassing with the same gas mixture for at least 15 min. Autoclave Solutions C and D under a N2 atmosphere. Add appropriate amounts of Solutions B, C and D to Solution A to complete the medium.

Solution A #

916
Compound Amount Unit
Mineral solution 50.0 ml
Trace element solution SL-10 1.0 ml
Rumen fluid , clarified
(see Medium No. 266)
50.0 ml
Trypticase peptone
(BD-BBL)
1.0 g
Vitamin solution 5.0 ml
Crotonic acid 1.7 g
Resazurin 1.0 mg
Distilled water 810.0 ml

Solution B #

70
Compound Amount Unit
NaHCO3 3.5 g
Distilled water 70.0 ml

Solution C #

10
Compound Amount Unit
L-Cysteine HCl x H2O 0.3 g
Distilled water 10.0 ml

Solution D #

10
Compound Amount Unit
Na2S x 9 H2O 0.3 g
Distilled water 10.0 ml

Mineral solution #

1000
Compound Amount Unit
KH2PO4 10.0 g
MgCl2 x 6 H2O 6.6 g
NaCl 8.0 g
NH4Cl 8.0 g
CaCl2 x 2 H2O 1.0 g
Distilled water 1000.0 ml

Vitamin solution #

1000

Trace element solution SL-10 #

1000
Compound Amount Unit
HCl
(25%, 7.7 M)
10.0 ml
FeCl2 x 4 H2O 1.5 g
ZnCl2 70.0 mg
MnCl2 x 4 H2O 100.0 mg
H3BO3 6.0 mg
CoCl2 x 6 H2O 190.0 mg
CuCl2 x 2 H2O 2.0 mg
NiCl2 x 6 H2O 24.0 mg
Na2MoO4 x 2 H2O 36.0 mg
Distilled water 990.0 ml
1 Dissolve FeCl2 x 4H2O first in HCl. Then dilute in distilled water and add the remaining salts.