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Production of a polysaccharide, methylan, in Methylobacterium organophilum by controlling ammonium ion

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Summary

Cell growth increased proportionally to the initial concentration of ammonium ion, however, methylan production was significantly inhibited at the high concentration of ammonium ion. The control of ammonium ion within the desired level(usually 0.45 g/l) was needed to reduce the inhibition. Methylan production was increased to 12.5 g/l by maintaining ammonium ion below 0.15 g/l.

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Authors and Affiliations

  1. Department of Food Science & Technology, Woosuk University, 565-800, Cheonju, Korea

    Deok -Kun Oh

  2. Department of Biological Science, Korea Advanced Institute of Science & Technology, 305-701, Taejun, Korea

    Sang -Yong Kim & Jung -Hoe Kim

Authors
  1. Deok -Kun Oh
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  2. Sang -Yong Kim
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  3. Jung -Hoe Kim
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Oh, D.K., Kim, S.Y. & Kim, J.H. Production of a polysaccharide, methylan, in Methylobacterium organophilum by controlling ammonium ion. Biotechnol Lett 18, 1427–1430 (1996). https://doi.org/10.1007/BF00129348

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  • DOI: https://doi.org/10.1007/BF00129348

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