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Engineering and Two-Stage Evolution of a Lignocellulosic Hydrolysate-Tolerant Saccharomyces cerevisiae Strain for Anaerobic Fermentation of Xylose from AFEX Pretreated Corn Stover

Journal Article · · PLoS ONE
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  1. Univ. of Wisconsin, Madison, WI (United States). DOE Great Lakes Bioenergy Research Center; DOE/OSTI
  2. Univ. of Wisconsin, Madison, WI (United States). DOE Great Lakes Bioenergy Research Center
  3. Univ. of Wisconsin, Madison, WI (United States). DOE Great Lakes Bioenergy Research Center; Univ. of Wisconsin, Madison, WI (United States). Dept. of Chemistry
  4. Univ. of Wisconsin, Madison, WI (United States). Dept. of Bacteriology
  5. Univ. of Wisconsin, Madison, WI (United States). Dept. of Chemistry
  6. Michigan State Univ., East Lansing, MI (United States). MSU-DOE Great Bioenergy Research Center; Michigan State Univ., East Lansing, MI (United States). Dept. of Chemical Engineering and Materials Science. Biomass Conversion Research Lab.
  7. Michigan State Univ., East Lansing, MI (United States). MSU-DOE Great Bioenergy Research Center; Qilu Univ. of Technology, Jinan (China). School of Food and Bioengineering
  8. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Biofuels Process Demonstration Unit
  9. Joint BioEnergy Institute (JBEI), Emeryville, CA (United States)
  10. Michigan State Univ., East Lansing, MI (United States). MSU-DOE Great Bioenergy Research Center; Michigan State Univ., East Lansing, MI (United States). Dept. of Chemical Engineering and Materials Science; Michigan State Univ., East Lansing, MI (United States). Dept. of Biosystems and Agricultural Engineering; Lulea Univ. of Technology (Sweden). Division of Sustainable Process Engineering
  11. Michigan State Univ., East Lansing, MI (United States). MSU-DOE Great Bioenergy Research Center; Michigan State Univ., East Lansing, MI (United States). Dept. of Chemical Engineering and Materials Science. Biomass Conversion Research Lab.
  12. Univ. of Wisconsin, Madison, WI (United States). DOE Great Lakes Bioenergy Research Center; Univ. of Wisconsin, Madison, WI (United States). Dept. of Bacteriology; Univ. of Wisconsin, Madison, WI (United States). Dept. of Biochemistry
  13. Univ. of Wisconsin, Madison, WI (United States). DOE Great Lakes Bioenergy Research Center; Univ. of Wisconsin, Madison, WI (United States). Lab. of Genetics
The inability of the yeast Saccharomyces cerevisiae to ferment xylose effectively under anaerobic conditions is a major barrier to economical production of lignocellulosic biofuels. Although genetic approaches have enabled engineering of S. cerevisiae to convert xylose efficiently into ethanol in defined lab medium, few strains are able to ferment xylose from lignocellulosic hydrolysates in the absence of oxygen. This limited xylose conversion is believed to result from small molecules generated during biomass pretreatment and hydrolysis, which induce cellular stress and impair metabolism. Here, we describe the development of a xylose-fermenting S. cerevisiae strain with tolerance to a range of pretreated and hydrolyzed lignocellulose, including Ammonia Fiber Expansion (AFEX)-pretreated corn stover hydrolysate (ACSH). We genetically engineered a hydrolysate-resistant yeast strain with bacterial xylose isomerase and then applied two separate stages of aerobic and anaerobic directed evolution. The emergent S. cerevisiae strain rapidly converted xylose from lab medium and ACSH to ethanol under strict anaerobic conditions. Metabolomic, genetic and biochemical analyses suggested that a missense mutation in GRE3, which was acquired during the anaerobic evolution, contributed toward improved xylose conversion by reducing intracellular production of xylitol, an inhibitor of xylose isomerase. These results validate our combinatorial approach, which utilized phenotypic strain selection, rational engineering and directed evolution for the generation of a robust S. cerevisiae strain with the ability to ferment xylose anaerobically from ACSH.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division
Grant/Contract Number:
AC02-05CH11231; FC02-07ER64494
OSTI ID:
1627733
Journal Information:
PLoS ONE, Journal Name: PLoS ONE Journal Issue: 9 Vol. 9; ISSN 1932-6203
Publisher:
Public Library of ScienceCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (35)

EasyClone 2.0: expanded toolkit of integrative vectors for stable gene expression in industrial Saccharomyces cerevisiae strains journal November 2015
Construction of advanced producers of first- and second-generation ethanol in Saccharomyces cerevisiae and selected species of non-conventional yeasts (Scheffersomyces stipitis, Ogataea polymorpha) journal October 2019
Integrated approach for selecting efficient Saccharomyces cerevisiae for industrial lignocellulosic fermentations: Importance of yeast chassis linked to process conditions journal March 2017
Reassessment of requirements for anaerobic xylose fermentation by engineered, non-evolved Saccharomyces cerevisiae strains journal September 2018
Genome Assembly of a Highly Aldehyde-Resistant Saccharomyces cerevisiae SA1-Derived Industrial Strain
  • Nagamatsu, Sheila Tiemi; Teixeira, Gleidson Silva; de Mello, Fellipe da Silveira Bezerra
  • Microbiology Resource Announcements, Vol. 8, Issue 13 https://doi.org/10.1128/mra.00071-19
journal March 2019
Mechanism of imidazolium ionic liquids toxicity in Saccharomyces cerevisiae and rational engineering of a tolerant, xylose-fermenting strain journal January 2016
Controlling microbial contamination during hydrolysis of AFEX-pretreated corn stover and switchgrass: effects on hydrolysate composition, microbial response and fermentation journal November 2015
Metabolic engineering of Saccharomyces cerevisiae to produce a reduced viscosity oil from lignocellulose journal March 2017
Hybridization and adaptive evolution of diverse Saccharomyces species for cellulosic biofuel production journal March 2017
Increasing the economic value of lignocellulosic stillage through medium-chain fatty acid production journal July 2018
Systematic improvement of isobutanol production from d-xylose in engineered Saccharomyces cerevisiae journal October 2019
Evolution of a novel chimeric maltotriose transporter in Saccharomyces eubayanus from parent proteins unable to perform this function journal April 2019
Rewired cellular signaling coordinates sugar and hypoxic responses for anaerobic xylose fermentation in yeast journal March 2019
Screening and characterizing of xylanolytic and xylose-fermenting yeasts isolated from the wood-feeding termite, Reticulitermes chinensis journal July 2017
Genome Sequence and Analysis of a Stress-Tolerant, Wild-Derived Strain of Saccharomyces cerevisiae Used in Biofuels Research journal April 2016
Natural Variation in the Multidrug Efflux Pump SGE1 Underlies Ionic Liquid Tolerance in Yeast journal July 2018
Multiomic Fermentation Using Chemically Defined Synthetic Hydrolyzates Revealed Multiple Effects of Lignocellulose-Derived Inhibitors on Cell Physiology and Xylose Utilization in Zymomonas mobilis journal November 2019
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Optimization of low-temperature energy-efficient pretreatment for enhanced saccharification and fermentation of Conocarpus erectus leaves to produce ethanol using Saccharomyces cerevisiae journal November 2019
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Enhanced scale and scope of genome engineering and regulation using CRISPR/Cas in Saccharomyces cerevisiae journal October 2019
PKA and HOG signaling contribute separable roles to anaerobic xylose fermentation in yeast engineered for biofuel production posted_content February 2019
Diverse lignocellulosic feedstocks can achieve high field-scale ethanol yields while providing flexibility for the biorefinery and landscape-level environmental benefits journal July 2018
Chemical genomic guided engineering of gamma-valerolactone tolerant yeast journal January 2018
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Disruption of the transcription factors Thi2p and Nrm1p alleviates the post-glucose effect on xylose utilization in Saccharomyces cerevisiae journal April 2018
Improved simultaneous co-fermentation of glucose and xylose by Saccharomyces cerevisiae for efficient lignocellulosic biorefinery journal January 2020
Directed Evolution Reveals Unexpected Epistatic Interactions That Alter Metabolic Regulation and Enable Anaerobic Xylose Use by Saccharomyces cerevisiae journal October 2016
Water-soluble phenolic compounds produced from extractive ammonia pretreatment exerted binary inhibitory effects on yeast fermentation using synthetic hydrolysate journal March 2018
PKA and HOG signaling contribute separable roles to anaerobic xylose fermentation in yeast engineered for biofuel production journal May 2019

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