DSMZ 1464 . CHITINIVIBRIO MEDIUM

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Equipment needed: Autoclave

Final pH: 10.0

Select a strain (optional):

ml
Compound Amount Unit
NaHCO3 15.0 g/l
Na2CO3 95.0 g/l
NaCl 6.0 g/l
K2HPO4 1.0 g/l
Distilled water 1000.0 ml
1 Adjust pH to 10.0 with NaOH or HCl. Make anoxic under nitrogen stream and autoclave at 121°C.
2 After autoclaving add sterile, anoxic solutions of:
Chitin , adjust volume in range 1-2 if required
(amorphous or Sigma C7170, 5% solution)
1.5 g
MgSO4 1.0 mM
Yeast extract 20.0 mg
NH4Cl 4.0 mM
Na2S 1.0 mM
Vitamine mixture (Pfennig & Lippert, 1965) 1.0 ml
Acidic trace metals (Pfennig & Lippert, 1965) 1.0 ml

Vitamine mixture (Pfennig & Lippert, 1965) #

150
Compound Amount Unit
Basic solution (100 ml 0.1 N NaOH) 50 ml
Neutral solution (100 ml Aqua dem.) 50 ml
Acidic solution (HCl, pH 3; 100 ml) 50 ml
1 Sterilize by filtration and keep at 4°C. Before addition to the medium mix 1:1:1 (vol:vol:vol).

Basic solution (100 ml 0.1 N NaOH) #

100
Compound Amount Unit
Biotin 2 mg
PABA 5 mg
Nicotinic acid 5 mg
Pyridoxine 10 mg
Distilled water 100 ml

Neutral solution (100 ml Aqua dem.) #

100
Compound Amount Unit
Folic acid 2 mg
Riboflavin 5 mg
Distilled water 100 ml

Acidic trace metals (Pfennig & Lippert, 1965) #

1000
Compound Amount Unit
EDTA 5 g/l
FeSO4 x 7 H2O 2 g/l
ZnSO4 x 7 H2O 100 mg/l
MnCl2 30 mg/l
H3BO3 300 mg/l
CoCl2 x 6 H2O 200 mg/l
CuCl2 10 mg/l
NiCl2 x 2 H2O 20 mg/l
Na2MoO4 x 2 H2O 20 mg/l
Distilled water 1000 ml
1 adjust pH to 3-4 with HCl; autoclave in closed bottles, 120°C, 20 min.

Acidic solution (HCl, pH 3; 100 ml) #

100
Compound Amount Unit
Thiamin 5.0 mg
Calcium pantothenate 5.0 mg
B12 0.5 mg
Distilled water 100.0 ml