Ott J L, Godzeski C W, Pavey D, Farran J D, Horton D R
Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana.
Appl Microbiol. 1962 Nov;10(6):515-23. doi: 10.1128/am.10.6.515-523.1962.
A series of complex and synthetic media have been developed that are suitable for the production of cephalosporin C and cephalosporin N by a mutant strain of Cephalosporium (C.M.I. 49,137). dl-Methionine increased the yield of both antibiotics, with more effect on cephalosporin N. l-Cystine had a greater enhancing effect on formation of cephalosporin C than on formation of cephalosporin N in synthetic media; serine increased yields of cephalosporin C under certain conditions. Disaccharides or polysaccharides appeared to be the best source for carbohydrates. No evidence was found for precursor action such as is found in penicillin fermentations. The ability of resting cells to produce antibiotic was demonstrated.
已经开发出一系列复杂的合成培养基,适用于头孢霉突变菌株(C.M.I. 49,137)生产头孢菌素C和头孢菌素N。dl-蛋氨酸提高了两种抗生素的产量,对头孢菌素N的影响更大。在合成培养基中,l-胱氨酸对头孢菌素C形成的促进作用比对头孢菌素N形成的促进作用更大;在某些条件下,丝氨酸提高了头孢菌素C的产量。二糖或多糖似乎是碳水化合物的最佳来源。未发现有青霉素发酵中存在的前体作用的证据。证实了静息细胞产生抗生素的能力。