Acetic Acid Fermentation of Acetobacter pasteurianus: Relationship between Acetic Acid Resistance and Pellicle Polysaccharide Formation
Acetic Acid Fermentation of Acetobacter pasteurianus: Relationship between Acetic Acid Resistance and Pellicle Polysaccharide Formation
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DOI：
10.1271/bbb.100183
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发表时间：
2010-08-01
影响因子：
1.6
通讯作者：
Matsushita, Kazunobu
中科院分区：
文献类型：
--
作者：
Kanchanarach, Watchara;Theeragool, Gunjana;Matsushita, Kazunobu
在乙酸发酵条件下培养巴氏醋杆菌菌株IFO 3283、SKU 1108和MSU 10，并检查它们的生长行为以及它们的乙酸抗性和膜形成能力。在发酵过程中，细胞在对数后期和稳定期聚集并被无定形物质覆盖，但在第二生长期再次分散（由于过度氧化）。细胞的形态变化伴随着糖含量的变化，这可能与膜多糖的形成有关。为了确定膜形成与乙酸抗性之间的关系，分离了一株形成膜的R菌株和一株不形成膜的S菌株，并比较了它们的发酵能力和乙酸扩散活性。结果表明，表膜的形成与醋酸抗性有直接关系，因此对醋酸发酵有重要意义。巴氏杆菌菌株
Acetobacter pasteurianus strains IFO3283, SKU1108, and MSU10 were grown under acetic acid fermentation conditions, and their growth behavior was examined together with their capacity for acetic acid resistance and pellicle formation. In the fermentation process, the cells became aggregated and covered by amorphous materials in the late-log and stationary phases, but dispersed again in the second growth phase (due to overoxidation). The morphological change in the cells was accompanied by changes in sugar contents, which might be related to pellicle polysaccharide formation. To determine the relationship between pellicle formation and acetic acid resistance, a pellicle-forming R strain and a non-forming S strain were isolated, and their fermentation ability and acetic acid diffusion activity were compared. The results suggest that pellicle formation is directly related to acetic acid resistance ability, and thus is important to acetic acid fermentation in these A. pasteurianus strains.