ArticleFEMS yeast research2021
Transcriptomic response of Saccharomyces cerevisiae to octanoic acid production.
Article in FEMS yeast research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Changes in Short- and Medium-Chain Fatty Acids and Sugars During Kombucha Fermentation of Tea and Coffee Byproducts and Their Relation to Sourness.Foods (Basel, Switzerland) · 2026Article
- Characterization of Metabolomic Response ofMicroorganisms · 2025Article
- Optimizing hexanoic acid biosynthesis in Saccharomyces cerevisiae for the de novo production of olivetolic acid.Biotechnology for biofuels and bioproducts · 2024Article
- An optimized reverse β-oxidation pathway to produce selected medium-chain fatty acids in Saccharomyces cerevisiae.Biotechnology for biofuels and bioproducts · 2023Article
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Authors and funding
6 authors.
Funding
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Abstract
The medium-chain fatty acid octanoic acid is an important platform compound widely used in industry. The microbial production from sugars in Saccharomyces cerevisiae is a promising alternative to current non-sustainable production methods, however, titers need to be further increased. To achieve this, it is essential to have in-depth knowledge about the cell physiology during octanoic acid production. To this end, we collected the first RNA-Seq data of an octanoic acid producer strain at three time points during fermentation. The strain produced higher levels of octanoic acid and increased levels of fatty acids of other chain lengths (C6-C18) but showed decreased growth compared to the reference. Furthermore, we show that the here analyzed transcriptomic response to internally produced octanoic acid is notably distinct from a wild type's response to externally supplied octanoic acid as reported in previous publications. By comparing the transcriptomic response of different sampling times, we identified several genes that we subsequently overexpressed and knocked out, respectively. Hereby we identified RPL40B, to date unknown to play a role in fatty acid biosynthesis or medium-chain fatty acid tolerance. Overexpression of RPL40B led to an increase in octanoic acid titers by 40%.
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