ASP-H Medium, modified
(G.I. McFadden & M. Melkonian 1986, Phycologia 25: 551-557)
# |
Component |
Stock solution (g . L-1 dH2O) |
Addition per 1 Litre culture medium |
1 |
NaCl |
18 g |
|
2 |
MgSO4 . 7 H2O |
5 g |
|
3 |
KCl |
60.00 g |
10 ml |
4 |
HEPES |
238.31 g |
3 ml |
5 |
CaCl2 . 2 H2O |
370.00 g |
1 ml |
6 |
NaNO3 + K2HPO4 . 3 H2O + Na2CO3 |
50.00 g 5.00 g 30.00 g |
1 ml |
7 |
NTA (Titriplex I)* NTA dissolves after addition of NaOH pellets and heating |
10.00 g |
1 ml |
8 |
Fe-EDTA solution |
1ml |
|
9 |
Trace Metals |
1 ml |
|
10 |
H3BO3 |
2.97 g |
10 ml |
11 |
Vitamins solution |
1 ml |
Preparation of Fe-EDTA Solution
# |
Component |
Stock solution concentration Addition per 1 Litre stock solution |
1 |
EDTA (Titriplex II)* |
5.22 g |
2 |
FeSO4 . 7 H2O |
4.98 g |
3 |
1 N KOH |
54.00 ml |
EDTA (Titriplex II) and FeSO4 x 7 H2O is heated for 30 min (100oC); KOH is added to the cooled mixture
Preparation of Trace Metal Solution
# |
Component |
Stock solution concentration Addition per 1 Litre stock solution |
1 |
ZnCl2 |
0.33 g |
2 |
MnCl2 . 4 H2O |
4.30 g |
3 |
CoCl2. 6 H2O |
0.12 g |
4 |
Na/EDTA (Titriplex III)* |
25.80g |
pH of Trace Metal Solution is adjusted to 7.5 with 10 N NaOH
Preparation of Vitamins Solution
# |
Component |
Stock solution concentration Addition per 1 Litre stock solution |
1 |
Vitamin B12 |
0.20 mg |
2 |
Biotin |
1.00 mg |
3 |
Thiamine-HCl |
100.00 mg |
4 |
Niacinamide |
0.10 mg |
pH of this solution should be around pH 7.0
Preparation of Culture Solution
Add chemicals and stock solutions as indicated above to 1000 ml of bidistilled water. Adjust pH to 7.7 with NaOH and autoclave.
* Titriplex I - Nitrilotriacetic acid - C6H9NO6
* Titriplex II - Ethylenediaminetetraacetic acid - C10H16N2O8
*Titriplex III - Ethylenediaminetetraacetic acid disodium salt dihydrate - C10H14N2Na2O8 x 2 H2O
Cepas
60.00€
Medios
55.00€
Cepas
150.00€
Medios
55.00€
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