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Podcast: BacterioFiles
Episode:

467: Prion Pivots Productive Pathways
Category: Science & Medicine
Duration: 00:13:53
Publish Date: 2021-12-27 06:00:00
Description:

This episode: Prions in yeast can allow better adaptation to changing conditions!

Download Episode (9.5 MB, 13.9 minutes) Show notes: Microbe of the episode: Hepatovirus F

  News item   Takeaways Prions can be deadly. They're misshapen proteins that cause a cascade of misfolding of similar proteins if they get into the nervous system, resulting in neurodegeneration in mammals. But in other organisms, they are not always so scary; some fungi use prions to regulate their behavior in varying conditions.   In this study, a prion allows yeast to switch between a fast-growing lifestyle with shorter reproductive lifespan that can be beneficial in conditions where nutrients are often plentiful, and a slower-growing but more enduring lifestyle that helps in more scarce conditions.   Journal Paper: Garcia DM, Campbell EA, Jakobson CM, Tsuchiya M, Shaw EA, DiNardo AL, Kaeberlein M, Jarosz DF. 2021. A prion accelerates proliferation at the expense of lifespan. eLife 10:e60917.

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