# 549: CM + YE MEDIUM ## Main sol. 549 7.5 g Casamino acids (vitamin free, Difco) 10 g Yeast extract 20 g MgSO4 x 7 H2O 3 g Na3-citrate 2 g KCl 200 g NaCl 1 ml **Fe solution** 15 g Agar 1000 ml Distilled water 1. pH 7.4 (NaOH) ## Fe solution 10 g FeSO4 x 7 H2O 1000 ml HCl (0.001 M) 1. Prepare 4.98% FeSO4 x 7 H2O (= 10 g Fe in 1l 0.001 M HCl)