Next, the researchers exposed the mushroom cells to hygromycin. The antibiotic kills all the normal cells, separating out those that hae been genetically altered for resistance.

• 接着，研究人员用这些蘑菇细胞去接触潮霉素。这些抗生素可以杀死所有正常的细胞，分离出哪些能抵抗潮霉素的细胞。