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Yeast prions [URE3] and [PSI + ] are diseases

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Nakayashiki, Toru, Kurtzman, Cletus P., Edskes, Herman K., Wickner, Reed B.·2005·Proceedings of the National Academy of Sciences

Abstract

Viruses, plasmids, and prions can spread in nature despite being a burden to their hosts. Because a prion arises de novo in more than one in 10 6 yeast cells and spreads to all offspring in meiosis, its absence in wild strains would imply that it has a net deleterious effect on its host. Among 70 wild Saccharomyces strains, we found the [ PIN + ] prion in 11 strains, but the [URE3] and [ PSI + ] prions were uniformly absent. In contrast, the “selfish” 2μ DNA was in 38 wild strains and the selfish RNA replicons L-BC, 20S, and 23S were found in 8, 14, and 1 strains, respectively. The absence of [URE3] and [ PSI + ] in wild strains indicates that each prion has a net deleterious effect on its host.

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Metadata

Authors
Nakayashiki, T., Kurtzman, C. P., Edskes, H. K., & Wickner, R. B.
Venue
Proceedings of the National Academy of Sciences
Published
2005-07-15
Volume
102
Issue
30
Pages
10575-10580
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2010499900
Cited by
245
References
0
FWCI
4.26
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Yeast prions [URE3] and [PSI + ] are diseases. https://app.cochat.ai/papers/10.1073/pnas.0504882102
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Nakayashiki, T., Kurtzman, C. P., Edskes, H. K., & Wickner, R. B. (2005). Yeast prions [URE3] and [PSI + ] are diseases. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0504882102

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