Certain Mushrooms Have “Massively Expanded” Genomes

Certain Mycena strains living in the Arctic have some of the largest mushroom genomes ever described.

Dr. Shingo Miyauchi, a scientist at OIST‘s Evolutionary and Synthetic Biology Unit, showcases his data visualization skills by blending them with his passion for art. He integrates color palettes and aesthetics inspired by renowned artists, bridging the gap between science and artistic creativity.
A study of multiple Mycena mushroom species reported June 27, 2024 in Cell Genomics has found that they have unexpectedly large genomes. While the mushrooms had been thought to be purely saprotrophic – living by degrading dead organic material alone – the discovery suggests that they may instead have a collection of genes to enable them to adapt to different lifestyles as circumstances change. Interestingly, the researchers show that certain Mycena strains living in the Arctic have some of the largest mushroom genomes ever described. The open-access article is titled “Extreme Overall Mushroom Genome Expansion in Mycena s.s. Irrespective of Plant Hosts or Substrate Specializations."
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