Study of the Conditions for the Biosynthesis of Bacterial Cellulose by the Producer Medusomyces gisevii Sa-12

Study of the Conditions for the Biosynthesis of Bacterial Cellulose by the Producer Medusomyces... The effect of culture conditions on the bacterial cellulose (BC) yield synthesized by symbiotic culture Medusomyces gisevii Sa-12 grown in synthetic nutrient medium was studied for the first time. The conditions providing the maximum yield of bacterial cellulose were evaluated: the initial glucose concentration in the culture medium was 20–25 g/L, the temperature was 24–27°C, the ratio of the nutrient medium to the air volume was 1: 10, and the content of the black tea extracts comprised 1.6–4.8 g/L. A sample of chemically pure BC with the following characteristics was obtained under the selected culture conditions: moisture— 99.0%, degree of polymerization—4800, average width of microfibrillar ribbons—30.6 nm, degree of crystallinity— 86%, and the content of triclinic modification Iα—98%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Biochemistry and Microbiology Springer Journals

Study of the Conditions for the Biosynthesis of Bacterial Cellulose by the Producer Medusomyces gisevii Sa-12

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Publisher
Pleiades Publishing
Copyright
Copyright © 2018 by Pleiades Publishing, Inc.
Subject
Life Sciences; Biochemistry, general; Microbiology; Medical Microbiology
ISSN
0003-6838
eISSN
1608-3024
D.O.I.
10.1134/S0003683818020035
Publisher site
See Article on Publisher Site

Abstract

The effect of culture conditions on the bacterial cellulose (BC) yield synthesized by symbiotic culture Medusomyces gisevii Sa-12 grown in synthetic nutrient medium was studied for the first time. The conditions providing the maximum yield of bacterial cellulose were evaluated: the initial glucose concentration in the culture medium was 20–25 g/L, the temperature was 24–27°C, the ratio of the nutrient medium to the air volume was 1: 10, and the content of the black tea extracts comprised 1.6–4.8 g/L. A sample of chemically pure BC with the following characteristics was obtained under the selected culture conditions: moisture— 99.0%, degree of polymerization—4800, average width of microfibrillar ribbons—30.6 nm, degree of crystallinity— 86%, and the content of triclinic modification Iα—98%.

Journal

Applied Biochemistry and MicrobiologySpringer Journals

Published: Mar 13, 2018

References

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