亚斯伯吉illus oryzae菌株异质地产生与植物多糖分类降解相关的酶
Shimma Fujiwa1, Ryousuke Kataoka2, Kazuhiro Iwashita3
1Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki, Kagawa 761-0795, Japan.
Journal of bioscience and bioengineering
|November 11, 2025
概括
Aspergillus oryzae菌株的酶活性有所不同,影响植物多糖的降解. 菌株RIB915显示出更高的纤维分解和半纤维分解酶的产生,突出了造应用中的物种多样性.
科学领域:
- 微生物学 微生物学
- 生物化学 生物化学
- 食品科学 食品科学 食品科学
背景情况:
- Aspergillus oryzae是一种在食品发酵中广泛使用的真菌,特别是在造中.
- 不同的A. oryzae菌株表现出不同的特征,影响它们在造过程中的有效性.
研究的目的:
- 为了比较八种Aspergillus oryzae菌株的酶活性.
- 为了研究这些菌株的植物多糖分解相关酶的产生.
- 了解培养基成分如何影响酶生产.
主要方法:
- 有八种A. oryzae菌株 (RIB40,128,143,163,301,915,1108和1178) 进行了培养.
- 测量了对植物多糖的酶活性.
- 分析了酶的产生,以对培养基中不同单糖和多糖的反应进行分析.
主要成果:
- A. oryzae菌株表现出不同程度的细胞分解和半细胞分解酶的产生.
- 与RIB40,128和301菌株相比,RIB915菌株的细胞分解和半细胞分解酶产量更高.
- 菌株RIB128在对特定碳水化合物的反应中表现出独特的甘酸酶生产模式.
结论:
- 在A. oryzae菌株之间,植物多糖体降解酶的产生存在显著的多样性.
- 酶谱受培养基中可用的碳来源的影响.
- 这些发现对为优化造和其他工业应用选择特定的A. oryzae菌株有影响.
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