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用铜蒸气激光辐照棘孢小单孢菌(Micromonospora echinospora)后,分离得到庆大霉素发酵单位提高10%以上的辐照株.其单孢子的表面结构在扫描电镜下观察未见到有孔穴或异常变化.
After the Micromonospora echinospora was irradiated by a copper vapor laser, irradiated strains with gentamycin fermentation units increased by more than 10% were isolated. The surface structure of the single spores was not observed under the scanning electron microscope. Holes or abnormal changes.