For one liter medium: brain heart infusion (Difco) 3,7 g tryptone 5 g yeast extract 5 g K2HPO4 0.3 g KH2PO4 0.3 g glycerol 1 % (pH comes out to about 6.8) For solid media add 1,7 % Agar Autoclave Add 2% Glucose, 2 mg thiamine and 0.05 mg biotin from sterile 50% stock, before use.