PT361 – Mycology and Evolutionary Genomics

In this episode, Joe interviews Jason Slot, Ph.D.: Associate Professor of Mycology and Evolutionary Genomics at Ohio State University, and founding member and scientific advisor to the Entheome Foundation, which has the goal of publishing 200+ fungal genomes by 2023 – starting with all the psilocybin-producing species.
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Slot talks about evolutionary genomics and his process: how he looks for interesting gene clusters in the genomes of different fungi to hypothesize what these clusters could be responsible for, how different species interact, and how these genes and species have evolved over time. He discusses the state of mycology in 2022 and the booming interest in functional mushrooms; the regulations around psilocybin and how they all relate to the dispensing of mushrooms; the weirdest things he’s seen in the complicated process of mushroom reproduction; substrate supplementation (with different enzymes, tryptophans, or even DMT); and just how much there still is to discover in the world of mushrooms and other possible plant medicines.
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He also discusses illumina high throughput sequencing; tetrapolar mating systems; Paul Stamets’ P-Value scale and the hayflick limit; mushroom parasexuality; horizontal gene transfer; and a lot of other scientific aspects of the unique studies of a mycologist. If you’re interested in psilocybin-producing mushrooms and want to explore mycology more deeply, this episode serves as a great introduction.
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Notable Quotes
“It’s a small field, but I think that it’s growing. I think we have a lot more interest coming in because the growth of gourmet and medicinal mushrooms is just ridiculous. It’s a huge industry in the making.”
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“I do crazy evolutionary analyses with all the fungal genomes I can get my hands on, and then find something interesting in the evolutionary history, and then I find an organism that’s got that particular gene or gene cluster that I’m interested in. It gives rise to interesting hypotheses.”

“They’re organisms with their own existences. We tend to think of a mushroom as a tool for therapy, or we think of a mushroom as a product or something like that. But these are organisms with their own rights to exist and thrive as they would.”

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