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Properties of bacterial cellulose developed from genetically stable FM833 bacterial strain for 30 generations via Kombucha tea

文献类型： 外文期刊

作者： Zheng, Meixia 1 ; Chen, Meichun 1 ; Chen, Jianfu 2 ; Tan, Kok Bing 3 ; Xiao, Rongfeng 1 ; Chen, Yanping 1 ; Zhu, Yujing 1 ;

作者机构： 1.Fujian Acad Agr Sci, Agr Bioresources Res Inst, Fuzhou 350003, Fujian, Peoples R China

2.Zhangzhou Inst Technol, Coll Food Engn, Zhangzhou 363000, Peoples R China

3.Huaqiao Univ, Coll Chem Engn, Integrated Nanocatalysts Inst INCI, Xiamen 361021, Peoples R China

关键词： Bacterial cellulose; Komagataeibacter xylinus; Morphology; Characterization; Genetic stability; Quality control

期刊名称：CELLULOSE （ 影响因子：6.123； 五年影响因子：6.004 ）

ISSN： 0969-0239

年卷期： 2022 年 29 卷 16 期

页码：

收录情况： SCI

摘要： The quality control of the bacterial cellulose (BC) production has been facing challenges due to the genetic stability of bacterial strains, which is often overlooked or underestimated. Thus, its commercialized application is limited. Therefore, a bacterial strain FM883 with a 16S rRNA sequence 97% identical to Komagataeibacter xylinus NBRC15237(T) was isolated from kombucha tea. Cultivation of FM883 was conducted in series to observe the morphology and BC yield among different generations from 1st generation to 30th generation. The results show that FM883 can efficiently produce BC in modified Hestrin-Schramn media at the 30th generation (163.5 +/- 0.3 g/L), which was even higher than the 1st generation (157.6 +/- 0.3 g/L). This indicated that FM883 has strong genetic stability. Furthermore, several characterizations of the BC indicated that the quality of the BC biosynthesized by FM883 was good with excellent thermostability. With such strong genetic stability, and properties, as well as sufficiently high consistency and high yield, BC biosynthesized by FM883 had demonstrated excellent production quality control, which is desired for commercial manufacturing.

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