... 一匙量 spoonful 偶发突变 sporadic mutation 孢囊梗，孢囊柄 sporangiophore ...
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偶发突变
Accidental mutation
以上为机器翻译结果，长、整句建议使用 人工翻译 。
从雄甾二酮的转化产生菌偶发分枝杆菌MF2出发，经紫外诱变结合平板筛选，获得一株主要转化生产睾酮的突变株T S-N-1 21。
A mutant, TS-N-121 was obtained by mutation and plate screening from a parent strain Mycobacterium fortuitum MF2 , which could transform sterol into androstanedione as the main product.
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