DSMZ 518 . GUYPARKERIA MEDIUM

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Equipment needed: Autoclave Filter

Final pH: 7.3 - 7.5

Select a strain (optional):

ml
Compound Amount Unit
Na2HPO4 x 2 H2O 7.9 g
KH2PO4 1.5 g
NaCl 50.0 g
MgSO4 x 7 H2O 0.1 g
NH4Cl 0.4 g
Phenol red
(saturated aq. solution)
12.5 ml
Trace element solution 10.0 ml
Na2S2O3 x 5 H2O 5.0 g
Agar , for solid medium
optional
15.0 g
Distilled water 1000.0 ml
1 Dissolve ingredients except thiosulfate and adjust pH of medium to 7.3 - 7.5. Add thiosulfate to the medium after autoclaving from a sterile stock solution sterilized by filtration. For liquid medium also sterilize the phosphates separately in 1/10 of medium volume.

Trace element solution #

1000
Compound Amount Unit
Na2-EDTA 50.00 g
ZnSO4 x 7 H2O 11.00 g
CaCl2 x 2 H2O 7.34 g
MnCl2 x 4 H2O 2.50 g
CoCl2 x 6 H2O 0.50 g
(NH4)6Mo7O24 x 4 H2O 0.50 g
FeSO4 x 7 H2O 5.00 g
CuSO4 x 5 H2O 0.20 g
NaOH 11.00 g
Distilled water 1000.00 ml
1 Dissolve EDTA in distilled water and adjust pH to 7.0 using 2 N NaOH; then add other compounds. Adjust pH of final solution to 6.0 with NaOH.