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Production of poly-β-hydroxybutyrate on molasses by recombinant Escherichia coli

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Abstract

Beet molasses successfully replaced glucose as sole carbon source to produce poly-β-hydroxybutyrate by a recombinant Escherichia coli strain (HMS174/pTZ18u-PHB). The fermentation with molasses was cheaper than with glucose. The final dry cell weight, PHB content and PHB productivity were 39.5 g/L, 80% (w/w) and 1 g/Lh, respectively, in a 5 L stirred tank fermenter after 31.5 h fed-batch fermentation with constant pH and dissolved O2 content. © Rapid Science Ltd. 1998

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Authors and Affiliations

  1. Department of Chemical Engineering, Ohio University Athens, USA

    Fang Liu, Wenqing Li, Darin Ridgway & Tingyue Gu

  2. Department of Chemical Engineering, Tsinghua University, Beijing, China

    Zhongyao Shen

Authors
  1. Fang Liu
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  2. Wenqing Li
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  3. Darin Ridgway
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  4. Tingyue Gu
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  5. Zhongyao Shen
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Liu, F., Li, W., Ridgway, D. et al. Production of poly-β-hydroxybutyrate on molasses by recombinant Escherichia coli. Biotechnology Letters 20, 345–348 (1998). https://doi.org/10.1023/A:1005367011378

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  • DOI: https://doi.org/10.1023/A:1005367011378

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