37. CM-3 MEDIUM

  • (NH4)2SO4 1.30 g
  • KH2PO4 1.50 g
  • K2HPO4 x 3 H2O 2.90 g
  • FeSO4 x 7 H2O (0.1% w/v in 0.1 N H2SO4) 1.25 ml
  • Yeast extract 2.00 g
  • Resazurin (0.1% w/v) 1 ml
  • MgCl2.6H2O 0.20 g
  • CaCl2 0.15 g
  • Cellobiose 6.00 g
  • Sodium citrate 1.5 g
  • L-Cysteine-HCl 0.5 g*
  • Agar powder (only for solid media) 10.00 g
  • Distilled water 1 L

Adjust pH to 7.2.

*Prior to inoculation add 100 μl L-cysteine-HCl /10 ml medium, from a 5 % (w/v) solution of L-cysteine-HCl sterilized by filtration.

Another cellulose substrates that can be used are Avicel (microcrystalline cellulose), cellulose powder Whatman CF-11 (both in concentration of 5 g/l) and strips of filter paper Whatman n°1 (6 x 1 cm). This last substrate was used for liquid media.



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