How big are fungi? - Rillig explains soil.

TL;DR

Fungi are complex organisms with varying sizes and structures, challenging our understanding of what constitutes an individual organism.

Transcript

so what size is a fox it's an interesting question and the first answer maybe that comes to your mind when thinking of the understaffing on your pizza it's like the thing on the pizza but that think I'm a pizza is not the fungus that's just the fruiting body and the real fungus in the soil is much much bigger and gives rise to many of these fruitin... Read More

Key Insights

• 🍄 The fruiting body of a fungus is not the entire organism but just the reproductive structure.
• ❓ Fungi can exist as modular organisms, challenging the traditional concept of individuality.
• 🏋️ The size of a fungal individual can vary from microscopic to large areas and substantial weight.
• 🪜 Heterocaryosis, the presence of multiple genetically different nuclei, adds to the complexity of fungal individuality.
• 💁 Fungi can exchange genetic information, including nuclei, organelles, and microviruses, within a single cytoplasm.
• 🍄 Despite their complex genetics, fungi are adept at functioning and adapting to their environments.
• 🇲🇻 Understanding the size and nature of fungal individuals requires a deep dive into fungal biology.

Questions & Answers

Q: What is the misconception regarding the size of fungi?

Many people believe that the fruiting body (mushroom) is the entirety of the fungal organism, when it is just a small part responsible for reproduction.

Q: How does the concept of an individual differ between unitary and modular organisms?

Unitary organisms, like humans, have a clear individual that follows predetermined instructions. Modular organisms, like fungi, can be seen as individual modules or the entire clone of genetically identical material.

Q: How does the size of fungal individuals vary depending on the perspective?

If considering individual modules, fungal individuals are microscopic in size. However, when considering the entire genetic individual, fungal individuals can span large areas, weighing tons.

Q: What is heterocaryosis, and how does it affect the concept of individuality in fungi?

Heterocaryosis refers to the state of having multiple genetically different nuclei in the same cytoplasm. In fungi, this further complicates the notion of individuality.

Summary & Key Takeaways

• Fungi are often misunderstood, with the fruiting body (mushroom) being mistaken as the entire organism, when in fact it is just the reproductive structure.

• Understanding the size of a fungal individual is complicated because fungi can exist as modular organisms with various genetically identical modules.

• Fungal individuals can be microscopic if considering individual modules, but can also span large areas and weigh tons when considering the entire genetic individual.