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Production of poly-β-hydroxybutyrate by thermophilic cyanobacterium, Synechococcus sp. MA19, under phosphate-limited conditions

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Abstract

Synechococcus sp. MA19, grown autotrophically under phosphate-limited conditions at 50 °C, produced poly-β-hydroxybutyrate (PHB) when intracellular phosphate content was 0.043–0.076mmol per g of cellular components. In the culture for 260h using Ca3(PO4)2 as a phosphate source, strain MA19 accumulated PHB at 55% (w/w) of the dry cells and the amount of PHB produced was 2.4gl−1 which was almost twice that without Ca3(PO4)2 addition.

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Author notes

  1. Yasuo Asada

    Present address: Industrial Technology Center of Okayama Prefecture, 5301 Haga, Okayama, 701-1296, Japan

Authors and Affiliations

  1. Department of Chemical Science and Engineering, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan

    Motomu Nishioka, Katsuya Nakai & Masahito Taya

  2. National Institute of Bioscience and Human-Technology, Agency of Industrial Science and Technology, METI, Tsukuba, Ibaraki, 305-0046, Japan

    Masato Miyake & Yasuo Asada

Authors
  1. Motomu Nishioka
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  2. Katsuya Nakai
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  3. Masato Miyake
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  4. Yasuo Asada
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  5. Masahito Taya
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Corresponding author

Correspondence to Masahito Taya.

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Nishioka, M., Nakai, K., Miyake, M. et al. Production of poly-β-hydroxybutyrate by thermophilic cyanobacterium, Synechococcus sp. MA19, under phosphate-limited conditions. Biotechnology Letters 23, 1095–1099 (2001). https://doi.org/10.1023/A:1010551614648

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