Cited by 422Genetic Neurodegenerative DiseasesParkinson's Disease Mechanisms and TreatmentsAlzheimer's disease research and treatments

Yeast Genes That Enhance the Toxicity of a Mutant Huntingtin Fragment or α-Synuclein

Willingham, Stephen, Outeiro, Tiago Fleming, DeVit, Michael J., Lindquist, Susan L., Muchowski, Paul J.·2003·Science

Abstract

Genome-wide screens were performed in yeast to identify genes that enhance the toxicity of a mutant huntingtin fragment or of α-synuclein. Of 4850 haploid mutants containing deletions of nonessential genes, 52 were identified that were sensitive to a mutant huntingtin fragment, 86 that were sensitive to α-synuclein, and only one mutant that was sensitive to both. Genes that enhanced toxicity of the mutant huntingtin fragment clustered in the functionally related cellular processes of response to stress, protein folding, and ubiquitin-dependent protein catabolism, whereas genes that modified α-synuclein toxicity clustered in the processes of lipid metabolism and vesicle-mediated transport. Genes with human orthologs were overrepresented in our screens, suggesting that we may have discovered conserved and nonoverlapping sets of cell-autonomous genes and pathways that are relevant to Huntington's disease and Parkinson's disease.

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Crossref · 10.1126/science.1090389

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  • Previous studies suggested that YPL067C is involved in preventing amyloid toxicity.

    “In addition, YPL067C was chosen for its biological interest, as previous studies suggested that YPL067C is involved in preventing amyloid toxicity10.”
  • HTC1 null mutants increase the toxicity of amyloid overproduction.

    “As mentioned above, HTC1 null mutants increase the toxicity of amyloid overproduction10.”

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Authors
Willingham, S., Outeiro, T. F., DeVit, M. J., Lindquist, S. L., & Muchowski, P. J.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Muchowski, Paul J.
Venue
Science
Published
2003-12-05
Volume
302
Issue
5651
Pages
1769-1772
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2013754033
Cited by
422
References
31
Citations by year
2026: 5 · 2025: 4 · 2024: 6 · 2023: 10 · 2022: 5 · 2021: 12 · 2020: 19 · 2019: 14 · 2018: 20 · 2017: 15 · 2016: 9 · 2015: 12 · 2014: 18 · 2013: 18 · 2012: 26
FWCI
9.12
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
huntingtin, alpha-synuclein, Huntington's disease, Parkinson's disease, yeast genetic screen, stress response, protein folding, ubiquitin-dependent protein degradation, lipid metabolism, vesicle trafficking, human orthologs, neurodegeneration
MeSH terms
Huntingtin Protein, Biological Transport, Genes, Fungal, Humans, Mutation, Nerve Tissue Proteins, Nuclear Proteins, Osmotic Pressure, Proteins, Saccharomyces cerevisiae, Transformation, Genetic, Nitrosation, Gene Deletion, Protein Folding, Oxidative Stress, Ubiquitin, Lipid Metabolism, Synucleins, alpha-Synuclein

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