319 .
SPOROHALOBACTER LORTETII MEDIUM
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Selected strain: Sporohalobacter lortetii DSM 3070
This strain uses the standard medium without modifications.
Growth conditions: anaerobic
37 °C
Equipment needed:
Autoclave
Filter
Gassing station
Hungate tubes
Final gas composition:
100 % N2
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Final pH:
6.5
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ml
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
|
|
Casamino acids
(BD Bacto) |
2.00 | g | ||
|
|
Nutrient broth
(BD Difco) |
2.00 | g | ||
|
|
Yeast extract | 2.00 | g | ||
|
|
L-Glutamic acid | 4.00 | g | ||
|
|
NaCl | 105.00 | g | ||
|
|
KCl | 0.75 | g | ||
|
|
Modified Wolin's mineral solution | 10.00 | ml | ||
|
|
FeSO4 x 7 H2O
(0.1% w/v in 0.1 N H2SO4) |
2.00 | ml | ||
|
|
Sodium resazurin
(0.1% w/v) |
0.50 | ml | ||
|
|
L-Cysteine HCl x H2O | 0.50 | g | ||
|
|
MgCl2 x 6 H2O | 10.00 | g | ||
|
|
CaCl2 x 2 H2O | 3.70 | g | ||
|
|
Wolin's vitamin solution (10x) | 1.00 | ml | ||
|
|
Distilled water | 1000.00 | ml | ||
| 1 Dissolve ingredients (except cysteine, magnesium chloride, calcium chloride and vitamins), bring medium to the boil, then cool to room temperature under 100% N2 gas atmosphere. Thereafter, add and dissolve cysteine, adjust pH to 6.5 and dispense under same gas atmosphere into anoxic Hungate-type tubes or serum vials and autoclave. After sterilization add magnesium chloride and calcium chloride from sterile anoxic stock solutions autoclaved under 100% N2 gas and vitamins from a filter-sterilized stock solution prepared under N2 gas. | |||||
| 2 Note: For agar medium add 20.00 g/l agar, 5.00 g/l CaCO3, and 2.00 g/l soluble starch. | |||||
Modified Wolin's mineral solution #
1000
| Compound | Amount | Unit | |||
|---|---|---|---|---|---|
|
|
Nitrilotriacetic acid | 1.50 | g | ||
|
|
MgSO4 x 7 H2O | 3.00 | g | ||
|
|
MnSO4 x H2O | 0.50 | g | ||
|
|
NaCl | 1.00 | g | ||
|
|
FeSO4 x 7 H2O | 0.10 | g | ||
|
|
CoSO4 x 7 H2O | 0.18 | g | ||
|
|
CaCl2 x 2 H2O | 0.10 | g | ||
|
|
ZnSO4 x 7 H2O | 0.18 | g | ||
|
|
CuSO4 x 5 H2O | 0.01 | g | ||
|
|
AlK(SO4)2 x 12 H2O | 0.02 | g | ||
|
|
H3BO3 | 0.01 | g | ||
|
|
Na2MoO4 x 2 H2O | 0.01 | g | ||
|
|
NiCl2 x 6 H2O | 0.03 | g | ||
|
|
Na2SeO3 x 5 H2O | 0.30 | mg | ||
|
|
Na2WO4 x 2 H2O | 0.40 | mg | ||
|
|
Distilled water | 1000.00 | ml | ||
| 1 First dissolve nitrilotriacetic acid and adjust pH to 6.5 with KOH, then add minerals. Adjust final to pH 7.0 with KOH. | |||||
Wolin's vitamin solution (10x) #
1000
| Compound | Amount | Unit | |
|---|---|---|---|
|
|
Biotin | 20 | mg |
|
|
Folic acid | 20 | mg |
|
|
Pyridoxine hydrochloride | 100 | mg |
|
|
Thiamine HCl | 50 | mg |
|
|
Riboflavin | 50 | mg |
|
|
Nicotinic acid | 50 | mg |
|
|
Calcium D-(+)-pantothenate | 50 | mg |
|
|
Vitamin B12 | 1 | mg |
|
|
p-Aminobenzoic acid | 50 | mg |
|
|
(DL)-alpha-Lipoic acid | 50 | mg |
|
|
Distilled water | 1000 | ml |