Cyclosporine A is commercially produced by the action of

Options

A. Trichoderma - Fungus
B. Trichoderma - Bacteria
C. Monascus - Fungus
D. Monascus - Bacteria

Answer

**Step-by-Step Solution:**

1. **Understanding Cyclosporine A**:
- Cyclosporine A is a drug that functions primarily as an immunosuppressant. It is used to prevent organ rejection in transplant patients and has anti-inflammatory and antifungal properties.

2. **Identifying the Source**:
- The question asks about the commercial production of Cyclosporine A. It is important to know the organism from which it is derived.

3. **Analyzing the Options**:
- The options provided are:
- A) Trichoderma fungus
- B) Trichoderma bacteria
- C) Monascus fungus
- D) Monascus bacteria

4. **Evaluating Each Option**:
- **Trichoderma fungus**: This is known to be the source of Cyclosporine A, specifically the species Trichoderma polysperum.
- **Trichoderma bacteria**: This option is incorrect as Trichoderma is a genus of fungi, not bacteria.
- **Monascus fungus**: While Monascus is a fungus, it is known for producing statins, not Cyclosporine A.
- **Monascus bacteria**: This is also incorrect as Monascus refers to fungi, not bacteria.

5. **Conclusion**:
- The correct answer is A) Trichoderma fungus, as Cyclosporine A is commercially produced from Trichoderma polysperum.

**Final Answer**: Cyclosporine A is commercially produced by the action of **Trichoderma fungus**.

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