Cyclosporin is obtained from

Options

A. Bacillus subtilies
B. Trichoderma polysporum
C. Tolypocladium inflatum
D. Both (2) and (3)

Answer

**Step-by-Step Solution:**

1. **Understanding Cyclosporine**:
- Cyclosporine is an immunosuppressant drug used to prevent organ rejection during transplantation procedures.

2. **Historical Context**:
- The drug was first used in 1980, specifically during liver transplants to help avoid organ rejection.

3. **Source of Cyclosporine**:
- Cyclosporine is derived from fungi.

4. **Identifying the Fungi**:
- The specific fungi from which cyclosporine is obtained is known as Trichoderma polysporum.
- In contemporary terms, it is referred to as Cholepocladium inflatum.

5. **Conclusion**:
- Therefore, the correct answer to the question "Cyclosporin is obtained from?" is that it is obtained from fungi, specifically Trichoderma polysporum (now Cholepocladium inflatum).

**Final Answer**: Cyclosporin is obtained from fungi, specifically Trichoderma polysporum (Cholepocladium inflatum).

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