DSMZ 768 . M17 MEDIUM FOR FILOMICROBIUM FUSIFORME

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Equipment needed: Filter

Final pH: 7.2

Select a strain (optional):

ml
Compound Amount Unit
Na-acetate 1 g
KNO3 1 g
Hutner's salts 20 ml
Vitamin solution (double conc.) 5 ml
Artificial sea water 500 ml
Distilled water 475 ml
1 Final pH 7.2.

Artificial sea water #

1000
Compound Amount Unit
NaCl 23.48 g
Na2SO4 3.92 g
NaHCO3 0.19 g
KCl 0.66 g
KBr 0.10 g
MgCl2 x 6 H2O 5.00 g
CaCl2 x 2 H2O 1.10 g
H3BO3 0.03 g
SrCl2 0.02 g
NaF 3.00 mg
Distilled water 1000.00 ml
1 Add NaHCO3 from a filter-sterilized stock solution when the medium has cooled.

Hutner's salts #

1000
Compound Amount Unit
Nitrilotriacetic acid
(NTA)
10.000 g
MgSO4 x 7 H2O 29.700 g
CaCl2 x 2 H2O 3.335 g
(NH4)6Mo7O24 x 4 H2O 9.250 mg
FeSO4 x 7 H2O 99.000 mg
"Metals 44" 50.000 ml
Distilled water 950.000 ml
1 Dissolve the nitrilotriacetic acid.
2 Adjust pH to 7.0 with KOH (~7.3 g).
3 Dissolve other salts separately and combine.
4 Adjust pH to 6.8 with NaOH or H2SO4.

"Metals 44" #

1000
Compound Amount Unit
Na-EDTA 250.0 mg
ZnSO4 x 7 H2O 1095.0 mg
FeSO4 x 7 H2O 500.0 mg
MnSO4 x H2O 154.0 mg
CuSO4 x 5 H2O 39.2 mg
Co(NO3)2 x 6 H2O 24.8 mg
Na2B4O7 x 10 H2O 17.7 mg
Distilled water 1000.0 ml
1 Dissolve the EDTA and add a few drops of concentrated H2SO4 to retard precipitation of the heavy metal ions.

Vitamin solution (double conc.) #

1000
Compound Amount Unit
Biotin 4.0 mg
Folic acid 4.0 mg
Pyridoxine hydrochloride 20.0 mg
Riboflavine 10.0 mg
Thiamine-HCl x 2 H2O 10.0 mg
Nicotinamide 10.0 mg
D-Calcium pantothenate 10.0 mg
Vitamin B12 0.2 mg
p-Aminobenzoic acid 10.0 mg
Distilled water 1000.0 ml
1 Store in the dark and cold (5°C).