“The data of the study indicate that the pholate-dependent neogenesis of -CH3 group and the methyl-B12-dependent resynthesis of L-methionine play an important functional role in biosynthesis of gentamicin.”
“violaces 1935 in the synthetic medium the level of gentamicin biosynthesis increased on the average by 2--2.5 times when cyancobalamine, methylcobalamine, L-methionine or L-serine were added to the medium.”