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Optimizing the Conditions of Dextran Synthesis by the Bacterium Leuconostoc mesenteroides Grown in a Molasses-Containing Medium

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Abstract

Maximal dextran production (54–55 g/l) by the bacterium Leuconostoc mesenteroides strain V-2317D was observed in molasses-containing media in the presence of 17.5% glucose at pHinit 6.75. The beginning of dextran production depended on the amount of inoculate; maximum yield was observed at a shaker rate of 200 rpm. The dextran produced by L. mesenteroides grown in the molasses-containing medium was representative of three fractions differing in molecular weight and composition: the high-(∼54.5%), medium- (∼ 27.9%), and low-molecular-weight (∼2.85%) fractions.

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Authors and Affiliations

  1. Mordovian State University, ul. Bol’shevistkaya 68, Saransk, 430019, Russia

    T. A. Vedyashkina & V. V. Revin

  2. Institute of Fundamental Problems in Biology, Russian Academy of Sciences, ul. Institutskaya 3, Pushchino, Moscow oblast, 142290, Russia

    I. N. Gogotov

Authors
  1. T. A. Vedyashkina
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  2. V. V. Revin
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  3. I. N. Gogotov
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Translated from Prikladnaya Biokhimiya i Mikrobiologiya, Vol. 41, No. 4, 2005, pp. 409–413.

Original Russian Text Copyright © 2005 by Vedyashkina, Revin, Gogotov.

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Vedyashkina, T.A., Revin, V.V. & Gogotov, I.N. Optimizing the Conditions of Dextran Synthesis by the Bacterium Leuconostoc mesenteroides Grown in a Molasses-Containing Medium. Appl Biochem Microbiol 41, 361–364 (2005). https://doi.org/10.1007/s10438-005-0061-1

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  • DOI: https://doi.org/10.1007/s10438-005-0061-1

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