英语语法分析

To mutate breeding with Penicillium chrysogenum in existing production in order to obtain stable high yield strain.

对现有生产中的产黄青霉进行育种突变，以获得稳定的高产菌株。

Saccharomyces cerevisiae was immobilized by Penicillium.

酿酒酵母被青霉菌固定。

This natural compound, produced by the Penicillium fungus, was found to be toxic to bacteria, but safe for use in humans.

这是一种由青霉真菌产生的天然化合物，对细菌具有毒性，但可以安全地用于人类。