Identify the microorganism responsible for production of cyclosporin A:

Options

1. Clostridium butylicum
2. Aspergillus niger
3. Streptococcus cerevisiae
4. Trichoderma polysporum

Correct Answer

Trichoderma polysporum

Explanation

Cyclosporin A, an immunosuppressive drug used in organ transplantation, is produced by the fungus *Trichoderma polysporum*.

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