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Main sol. 333

Internal Solution-ID: S611

Equipment needed: Autoclave Filter
Compound Amount Unit Conc. [g/L] Conc. [mM]
NH4Cl 0.4 g 0.4 7.478
MgSO4 x 7 H2O 0.8 g 0.8 3.246
Trace element solution 10.0 ml - -
KH2PO4 4.0 g 4 29.393
K2HPO4 4.0 g 4 22.965
K2S4O6 3.0 g 3 -
Bromocresol purple
(saturated aq. solution)
2.0 ml - -
Agar , for solid medium
(BD Bacto)
10.0 g 10 29.733
Distilled water 1000.0 ml - -
1 Dissolve ingredients except phosphates and tetrathionate. The phosphates are sterilized separately in 1/10 of medium volume and mixed with the other salts when cool. Tetrathionate is sterilized by filtration and added to the autoclaved medium. Adjust pH of complete medium to 6.9. For agar medium autoclave the phosphates (in 100 ml), other salts (in 300 ml), and agar (in 600 ml) separately.
333 THERMITHIOBACILLUS MEDIUM