The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.
Engineering Yeast Transcription Machinery for Improved Ethanol Tolerance and Production
Abstract
Global transcription machinery engineering (gTME) is an approach for reprogramming gene transcription to elicit cellular phenotypes important for technological applications. Here we show the application of gTME to Saccharomyces cerevisiae for improved glucose/ethanol tolerance, a key trait for many biofuels programs. Mutagenesis of the transcription factor Spt15p and selection led to dominant mutations that conferred increased tolerance and more efficient glucose conversion to ethanol. The desired phenotype results from the combined effect of three separate mutations in the SPT15 gene [serine substituted for phenylalanine (Phe 177 Ser) and, similarly, Tyr 195 His, and Lys 218 Arg]. Thus, gTME can provide a route to complex phenotypes that are not readily accessible by traditional methods.
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“For example, laboratory selection can lead to large-scale rewiring of gene regulatory networks, but an approach, that the authors called gTME, global transcription machinery engineering, can also yield similar results [2].”
From Adaptive laboratory evolution—Principles and applications for biotechnology (2013) · cites this paper as [2]
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“Traditional global transcriptional machinery engineering (gTME) has usually been performed by mutating plasmidic sigma factors in strains retaining the unaltered chromosomal copy [9, 10].”
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“Spt15 and Taf25 are two proteins that confer stress tolerance up to 100 g/L glucose and 6% (v/v) ethanol (Alper et al. 2006 and the design of intrinsic regulatory mechanisms is even more complex.”
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Metadata
- Authors
- Alper, H., Moxley, J., Nevoigt, E., Fink, G. R., & Stephanopoulos, G.
- Affiliations
- Whitehead Institute for Biomedical Research (US)
- Corresponding author
- Stephanopoulos, Gregory
- Venue
- Science
- Published
- 2006-12-08
- Volume
- 314
- Issue
- 5805
- Pages
- 1565-1568
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2080537888
- Cited by
- 823
- References
- 26
- Citations by year
- 2026: 10 · 2025: 23 · 2024: 31 · 2023: 18 · 2022: 28 · 2021: 39 · 2020: 43 · 2019: 37 · 2018: 39 · 2017: 44 · 2016: 49 · 2015: 61 · 2014: 55 · 2013: 57 · 2012: 68
- FWCI
- 14.67
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institute of General Medical Sciences (GM035010)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
- Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
- Keywords
- Saccharomyces cerevisiae, ethanol tolerance, glucose fermentation, transcription factor mutations, dominant mutations, biofuel production, yeast strain engineering
- MeSH terms
- Ethanol, Fermentation, Genetic Engineering, Glucose, Phenotype, Saccharomyces cerevisiae, Transcription Factors, Transcription, Genetic, Transformation, Genetic, Up-Regulation, Gene Expression Regulation, Fungal, Mutagenesis, Cell Cycle Proteins, Amino Acid Substitution, Gene Expression Profiling, Saccharomyces cerevisiae Proteins, TATA-Box Binding Protein, Transcription Factor TFIID, TATA-Binding Protein Associated Factors
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