Vitamin B12 producing E.coli strains and process for the preparation of vitamin B12 by culture of those strains
作者： Alain Rambach
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摘要: The invention relates to vitamin B12-producing E.coli strains transformed with a heterologous DNA containing all or part of the cobI region and permitting expression latter in E.coli. In particular, is Salmonella typhimurium.
lens.org 参考文章(2)
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R M Jeter, J R Roth, Cobalamin (vitamin B12) biosynthetic genes of Salmonella typhimurium. Journal of Bacteriology. ,vol. 169, pp. 3189- 3198 ,(1987) , 10.1128/JB.169.7.3189-3198.1987