Aim To a research on the function and change in ultrastructure of M. fortuitum.
目的 探讨偶然分枝杆菌超微结构变化与功能关系。
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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.