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Title: Industrial brewing yeast engineered for the production of primary flavor determinants in hopped beer

Journal Article · · Nature Communications
 [1];  [2];  [3];  [4];  [1];  [5];  [6];  [7]; ORCiD logo [6];  [5];  [8]; ORCiD logo [4]; ORCiD logo [9]
  1. Univ. of California, Berkeley, CA (United States). California Inst. of Quantitative Biosciences (QB3); Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States)
  2. Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States); Univ. of California, Berkeley, CA (United States). Dept. of Plant and Microbial Biology; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Univ. of California, Berkeley, CA (United States). Dept. of Bioengineering
  4. Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Biological Systems and Engineering Division; DOE Agile BioFoundry, Emeryville, CA (United States)
  5. Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Biological Systems and Engineering Division
  6. Univ. of California, Davis, CA (United States). Dept. of Food Science and Technology
  7. Lagunitas Brewing Company, Petaluma, CA (United States)
  8. Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States); Univ. of California, Berkeley, CA (United States). Dept. of Plant and Microbial Biology; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Environmental Genomics and Systems Biology Division
  9. Univ. of California, Berkeley, CA (United States). California Inst. of Quantitative Biosciences (QB3); Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Biological Systems and Engineering Division; Univ. of California, Berkeley, CA (United States). Dept. of Bioengineering; Univ. of California, Berkeley, CA (United States). Dept. of Chemical and Biomolecular Engineering; Technical Univ. of Denmark, Hellerup (Denmark). Novo Nordisk Foundation Center for Sustainability

Flowers of the hop plant provide both bitterness and "hoppy" flavor to beer. Hops are, however, both a water and energy intensive crop and vary considerably in essential oil content, making it challenging to achieve a consistent hoppy taste in beer. Here, we report that brewer's yeast can be engineered to biosynthesize aromatic monoterpene molecules that impart hoppy flavor to beer by incorporating recombinant DNA derived from yeast, mint, and basil. Whereas metabolic engineering of biosynthetic pathways is commonly enlisted to maximize product titers, tuning expression of pathway enzymes to affect target production levels of multiple commercially important metabolites without major collateral metabolic changes represents a unique challenge. By applying state-of-the-art engineering techniques and a framework to guide iterative improvement, strains are generated with target performance characteristics. Finally, beers produced using these strains are perceived as hoppier than traditionally hopped beers by a sensory panel in a double-blind tasting.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
AC02-05CH11231; 1722376
OSTI ID:
1457017
Journal Information:
Nature Communications, Vol. 9, Issue 1; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 122 works
Citation information provided by
Web of Science

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The Horace Brown Medal. Forever in focus: researches in malting and brewing sciences: The Horace Brown Medal. Forever in focus: researches in malting and brewing sciences journal January 2020
CRISPR/Cas9‐RNA interference system for combinatorial metabolic engineering of Saccharomyces cerevisiae journal May 2019
The renaissance of yeasts as microbial factories in the modern age of biomanufacturing journal September 2019
Yeast bioprospecting versus synthetic biology—which is better for innovative beverage fermentation? journal January 2020
Progress in the development of methods used for the abatement of microbial contaminants in ethanol fermentations: a review journal August 2019
Synthetic biology strategies for microbial biosynthesis of plant natural products journal May 2019
Orthogonal monoterpenoid biosynthesis in yeast constructed on an isomeric substrate journal August 2019
Rerouting of NADPH synthetic pathways for increased protopanaxadiol production in Saccharomyces cerevisiae journal October 2018
Advanced strategy for metabolite exploration in filamentous fungi journal January 2020
Genome editing to generate nonfoam-forming sake yeast strains journal December 2018
The molecular biology of fruity and floral aromas in beer and other alcoholic beverages journal November 2018
Lager-brewing yeasts in the era of modern genetics journal September 2019
Start-Stop Assembly: a functionally scarless DNA assembly system optimized for metabolic engineering journal November 2018
High-throughput mapping of CoA metabolites by SAMDI-MS to optimize the cell-free biosynthesis of HMG-CoA journal June 2019
Towards semi-synthetic microbial communities: enhancing soy sauce fermentation properties in B. subtilis co-cultures journal June 2019
Attempted use of PACE for riboswitch discovery generates three new translational theophylline riboswitch side products journal December 2018
Reducing phenolic off-flavors through CRISPR-based gene editing of the FDC1 gene in Saccharomyces cerevisiae x Saccharomyces eubayanus hybrid lager beer yeasts journal January 2019
Microbial Platform for Terpenoid Production: Escherichia coli and Yeast journal October 2018
Beverage and Food Fragrance Biotechnology, Novel Applications, Sensory and Sensor Techniques: An Overview journal December 2019
Terpenoid Metabolic Engineering in Photosynthetic Microorganisms journal October 2018
The rise of bottom-up synthetic biology and cell-free biology journal May 2019
Evaluation of multi-starter S. cerevisiae/ D. bruxellensis cultures for mimicking and accelerating transformations occurring during barrel ageing of beer journal September 2020
A machine learning Automated Recommendation Tool for synthetic biology journal September 2020
Applications of Yeast Synthetic Biology Geared towards the Production of Biopharmaceuticals journal July 2018

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