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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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A study of N- and P-dependence of nikkomycin production in continuous culture with immobilized cells.

The influence of nitrogen and phosphate on the biosynthesis of nikkomycin was studied in chemically defined medium. Cells of Streptomyces tendae were immobilized on porous glass particles in a fluidized-bed reactor for continuous production of nikkomycin. Phosphate had no significant influence on the biosynthesis of nikkomycin. However, even a very low concentration of phosphate in the production medium (0.0125 mmol/l) resulted in microbial growth on the particles. The concentration of nitrogen was highly effective in the regulation of the biosynthesis of nikkomycin. A high level of antibiotic production (maximum 3.05 mg/g dry cell weight per hour) was maintained for a period of about 200 h in a medium that contained nitrogen at a concentration of 0.2 g NH4NO3/l.[1]

References

  1. A study of N- and P-dependence of nikkomycin production in continuous culture with immobilized cells. Trück, H.U., Chmiel, H., Hammes, W.P., Trösch, W. Appl. Microbiol. Biotechnol. (1990) [Pubmed]
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