Analyze the ecological role of fungi in ecosystems, such as their contributions to nutrient cycling and plant communication through mycorrhizal networks. Additionally, explore their potential applications in medicine, including the development of antibiotics and biodegradable materials.

Specifically, delve into:

* **Nutrient Cycling:** Explain how fungi decompose organic matter and contribute to the cycling of nutrients like carbon, nitrogen, and phosphorus in ecosystems.
* **Mycorrhizal Networks:** Discuss the symbiotic relationship between fungi and plants through mycorrhizal networks, and how these networks facilitate communication and resource sharing between plants.
* **Fungi in Medicine:** Explore the use of fungi in medicine, including the production of antibiotics like penicillin, and the development of new drugs with antifungal or antiviral properties.
* **Biodegradable Materials:** Discuss the potential of fungi to produce biodegradable materials, such as packaging materials, building materials, and textiles, as sustainable alternatives to synthetic materials.
* **Future Applications:**  Explore potential future applications of fungi in biotechnology, bioremediation, and agriculture. 
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