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Response of Zymomonas mobilis levansucrase activity to sodium chloride

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Abstract

An activation of levansucrase-catalysed levan formation by NaCl, KCl and Na2 SO4 (0.03–0.7 M) was observed using cell-free extract of Zymomonas mobilis. A sigmoidal response of the rate of levansucrase-catalysed reaction to the sucrose concentration was significantly reduced in the presence of salts the Hill coefficient 2.10 and 1.0–1.2 respectively), possibly, due to the heterotropic activation of levansucrase as an allosteric enzyme. © Rapid Science Ltd. 1998

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Authors and Affiliations

  1. Institute of Microbiology and Biotechnology, University of Latvia, Kronvalda boulevard, Riga, Latvia

    Armands Vigants, Ramona Kruce, Martins Bekers & Peteris Zikmanis

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  1. Armands Vigants
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  2. Ramona Kruce
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  3. Martins Bekers
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  4. Peteris Zikmanis
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Vigants, A., Kruce, R., Bekers, M. et al. Response of Zymomonas mobilis levansucrase activity to sodium chloride. Biotechnology Letters 20, 1017–1019 (1998). https://doi.org/10.1023/A:1005454921301

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