@article{mbs:/content/journal/micro/10.1099/00221287-20-3-576, author = "Morris, J. G. and Woods, D. D.", title = "Inter-relationships of Serine, Glycine and Vitamin B6 in the Growth of Mutants of Escherichia coli", journal= "Microbiology", year = "1959", volume = "20", number = "3", pages = "576-596", doi = "https://doi.org/10.1099/00221287-20-3-576", url = "https://www.microbiologyresearch.org/content/journal/micro/10.1099/00221287-20-3-576", publisher = "Microbiology Society", issn = "1465-2080", type = "Journal Article", abstract = "SUMMARY: Five mutants of Escherichia coli which grow to a greater or less extent when the minimal medium is supplemented with vitamin B6 have been studied. They fall into two groups according to the further effect of serine + glycine on growth. (1) Two strains showed full and rapid growth with pyridoxine alone and serine + glycine neither replaced this vitamin nor enhanced growth in its presence. (2) Three strains showed delayed and suboptimal growth with pyridoxine alone. With these serine + glycine had two effects: (a) it decreased the lag and enhanced the final extent of growth when added with pyridoxine; (b) it permitted suboptimal growth in the absence of pyridoxine. The second effect was dependent on (two strains), or greatly increased by (one strain), the concurrent addition of glyeolaldehyde.", }