DSMZ 428 . HETEROTROPHIC MEDIUM H3P

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Selected strain: Ancylobacter vacuolatus DSM 1277

This strain uses the standard medium without modifications.


Growth conditions: 28 °C
Equipment needed: Autoclave Filter

Final pH: 6.8

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ml
Compound Amount Unit
Solution A 50 ml
Solution B 855 ml
Solution C 20 ml
Solution D 30 ml
Solution E 50 ml
Standard vitamin solution 5 ml
1 H3P is a heterotrophic medium for growth, purity checking and isolation of a broad spectrum of aerobic bacteria (Ref. 3367).
2 Solutions A, B, C and D are autoclaved separately for 15 min at 121°C, cooled down to 50°C and then mixed aseptically with filter-sterilized solution E (at 50°C) and 5.0 ml of standard vitamin solution. The final pH of this medium should be 6.8 without adjustment.

Solution A #

50
Compound Amount Unit
KH2PO4 2.3 g
Na2HPO4 x 2 H2O 2.9 g
Distilled water 50.0 ml

Solution B #

855
Compound Amount Unit
NH4Cl 1.00 g
MgSO4 x 7 H2O 0.50 g
CaCl2 x 2 H2O 0.01 g
MnCl2 x 4 H2O 5.00 mg
NaVO3 x H2O 5.00 mg
Trace element solution SL-6 5.00 ml
Distilled water 850.00 ml
Agar , if required 20.00 g

Solution C #

20
Compound Amount Unit
Ferric ammonium citrate 0.05 g
Distilled water 20.00 ml

Solution D #

30

Solution E #

50
Compound Amount Unit
Na-lactate 1 g
Na-pyruvate 1 g
D-Mannitol 1 g
D-Glucose 2 g
Distilled water 50 ml
1 pH 7.0
2 filter-sterilized

Standard vitamin solution #

100
Compound Amount Unit
Riboflavin 10.0 mg
Thiamine-HCl x 2 H2O 50.0 mg
Nicotinic acid 50.0 mg
Pyridoxine hydrochloride 50.0 mg
Calcium pantothenate 50.0 mg
Biotin 0.1 mg
Folic acid 0.2 mg
Vitamin B12 1.0 mg
Distilled water 100.0 ml
1 Filter sterilize (0.2 µm pore-size) and store at 4°C.

Trace element solution SL-6 #

1000