DSMZ 909 . TREPONEMA DENTICOLA MEDIUM

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Equipment needed: Anaerobic workbench Autoclave Filter Gassing station Hungate tubes

Final gas composition: 55 % N2 30 % H2 15 % CO2 read more

Final pH: n.d.

Select a strain (optional):

ml
Compound Amount Unit
Solution A 1000 ml
Solution B 45 ml
1 Add 0.45 ml Sol. B to 10 ml Sol. A. Inoculate and pressurize the tubes with H2 to 0.5 bar.

Solution A #

1000
Compound Amount Unit
Brain heart infusion broth 12.50 g
Trypticase
(BBL 11921)
10.00 g
Yeast extract 2.50 g
Na-thioglycolate 0.50 g
L-Cysteine HCl 1.00 g
L-Asparagine 0.25 g
Glucose 2.00 g
Agar 3.00 g
Distilled water 1000.00 ml
1 Boil for 5 min, cool to 50°C while gassing with 80% N2 + 20% CO2. Distribute to anaerobic tubes under the same atmosphere and autoclave.

Solution B #

45
Compound Amount Unit
Thiamine pyrophosphate 6 mg
NaHCO3 2 g
Distilled water 25 ml
Volatile fatty acid solution 20 ml
Rabbit serum 20 ml
1 Sterilize by filtration, add 20 ml rabbit serum, gas with 80% N2 + 20% CO2.

Volatile fatty acid solution #

102
Compound Amount Unit
KOH
(0.1 N)
100.0 ml
Isobutyric acid 0.5 ml
DL-2-Methylbutyric acid 0.5 ml
Isovaleric acid 0.5 ml
Valeric acid 0.5 ml