Micromilli - 生物技术资讯

《食品卫生微生物学检验》标准用阳性对照菌

The aspergilli are a fascinating group of fungi exhibiting immense ecological and metabolic diversity. These include notorious pathogens such as Aspergillus flavus, which produces aflatoxin, one of the most potent, naturally occurring, compounds known to man. Conversely, also included are other fungi, such as A. oryzae, involved in the industrial production of soy sauce and sake or A. niger used for the production of citric acid and enzymes such as glucose oxidase and lysozyme.

美国科学家近日研究发现，当一个细菌想要停下来的时候，它会使用一个分子“离合器”来脱离推进力系统。这是首次弄清细菌怎样关闭用来运动的鞭毛（flagella）。相关论文发表在6月20日的《科学》（Science）杂志上。

因制菌效果而迅速走红的凝结芽孢杆菌已成为国际市场新一代的益生菌类保健产品，年销售达到了5亿~6亿美元。相比之下，我国对于该品的研发还处于缓慢阶段，对此，国家应给予相应的政策引导，使凝结芽孢杆菌保健产品的产业化步伐加快。