TYA medium, which was also used as a fermentation medium to
culture the inoculum, consisted of the following components: 30 g/
L glucose, 6 g/L tryptone, 2 g/L yeast extract, 3 g/L ammonium acetate,
0.5 g/L KH2PO4, 0.3 g/L MgSO4$7H2O and 0.01 g/L FeSO4$
7H2O.