DSMZ 1524 . PLANCTOMYCETES MEDIUM NH11

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Equipment needed:

Final pH: 7.5

Select a strain (optional):

ml
Compound Amount Unit
Mineral salt solution 20.00 ml
Peptone
(Bacto)
0.50 g
Glucose 0.25 g
HEPES
(10mM)
2.38 g
Artifical sea water 500.00 ml
Agar
(Bacto)
15.00 g
Distilled water 475.00 ml
1 Sterilize 20 min/121°C. After cooling to 60°C add to the medium:
Vitamin solution (double conc.) 5.00 ml
2 Adjust pH to 7.5 (the medium is only weakly buffered; one needs approx. 10 drops/l medium of 6 N KOH).

Mineral salt solution #

950
Compound Amount Unit
Nitrilotriacetic acid
(NTA)
10.00 g
MgSO4 x 7 H2O 29.70 g
CaCl2 x 2 H2O 3.34 g
Na2MoO4 x 2 H2O 12.67 mg
FeSO4 x 7 H2O 99.00 mg
Metall salt sol. 44
(see medium 590)
50.00 ml
Distilled water 900.00 ml
1 Dissolve NTA first by neutralizing with KOH, then add other salts. Adjust pH to 7.2 with KOH or H2SO4. Adjust volume to 1000.0 ml with distilled water.

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).

Artifical sea water #

1000
Compound Amount Unit
NaCl 23.47 g
Na2SO4 3.92 g
MgCl2 x 6 H2O 4.98 g
CaCl2 1.10 g
NaHCO3 192.00 mg
KCl 664.00 mg
KBr 96.00 mg
H3BO3 26.00 mg
SrCl2 24.00 mg
NaF 3.00 mg
Distilled water 1000.00 ml