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Title: High-yield hydrogen production from biomass by in vitro metabolic engineering: Mixed sugars coutilization and kinetic modeling

Journal Article · · Proceedings of the National Academy of Sciences of the United States of America
 [1];  [2];  [3];  [4];  [1];  [5];  [6];  [7];  [7];  [8];  [2];  [9]
  1. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States). Dept. of Biological Systems Engineering; Cell-Free Bioinnovations, Blacksburg, VA (United States)
  2. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States). Dept. of Biological Systems Engineering
  3. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States). Dept. of Biological Systems Engineering; Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States). Inst. for Critical Technology and Applied Science
  4. Cell-Free Bioinnovations, Blacksburg, VA (United States)
  5. Milwaukee School of Engineering, Milwaukee, WI (United States). Dept. of Physics and Chemistry
  6. Texas A&M Univ., Kingsville, TX (United States). Dept. of Chemical and Natural Gas Engineering
  7. Univ. of Georgia, Athens, GA (United States). Dept. of Biochemistry and Molecular Biology
  8. Univ. of Georgia, Athens, GA (United States). Dept. of Biochemistry and Molecular Biology; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). BioEnergy Science Center (BESC)
  9. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States). Dept. of Biological Systems Engineering; Cell-Free Bioinnovations, Blacksburg, VA (United States); Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States). Inst. for Critical Technology and Applied Science; Chinese Academy of Sciences (CAS), Tianjin(China). Tianjin Inst. of Industrial Biotechnology

The use of hydrogen (H2) as a fuel offers enhanced energy conversion efficiency and tremendous potential to decrease greenhouse gas emissions, but producing it in a distributed, carbon-neutral, low-cost manner requires new technologies. Herein we demonstrate the complete conversion of glucose and xylose from plant biomass to H2 and CO2 based on an in vitro synthetic enzymatic pathway. Glucose and xylose were simultaneously converted to H2 with a yield of two H2 per carbon, the maximum possible yield. Parameters of a nonlinear kinetic model were fitted with experimental data using a genetic algorithm, and a global sensitivity analysis was used to identify the enzymes that have the greatest impact on reaction rate and yield. After optimizing enzyme loadings using this model, volumetric H2 productivity was increased 3-fold to 32 mmol H2∙L₋1∙h₋1. The productivity was further enhanced to 54 mmol H2∙L₋1∙h₋1 by increasing reaction temperature, substrate, and enzyme concentrations—an increase of 67-fold compared with the initial studies using this method. The production of hydrogen from locally produced biomass is a promising means to achieve global green energy production.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG05-95ER20175; IIP-1321528; IIP-1353266
OSTI ID:
1293980
Journal Information:
Proceedings of the National Academy of Sciences of the United States of America, Vol. 112, Issue 16; ISSN 0027-8424
Publisher:
National Academy of Sciences, Washington, DC (United States)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 159 works
Citation information provided by
Web of Science

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A Recombinant 12‐His Tagged Pyrococcus furiosus Soluble [NiFe]‐Hydrogenase I Overexpressed in Thermococcus kodakarensis KOD1 Facilitates Hydrogen‐Powered in vitro NADH Regeneration journal October 2018
Permeabilized Escherichia coli Whole Cells Containing Co‐Expressed Two Thermophilic Enzymes Facilitate the Synthesis of scyllo ‐Inositol from myo ‐Inositol journal September 2019
Engineering a Seven Enzyme Biotransformation using Mathematical Modelling and Characterized Enzyme Parts journal June 2019
Methodologies for “Wiring” Redox Proteins/Enzymes to Electrode Surfaces journal June 2018
Evolutionary Prediction of Biohydrogen Production by Dark Fermentation journal November 2018
Building a Thermostable Metabolon for Facilitating Coenzyme Transport and In Vitro Hydrogen Production at Elevated Temperature journal August 2018
Catalytic Transfer Hydrogenation Using Biomass as Hydrogen Source journal August 2018
In vitro biosynthesis of optically pure d‐ (−)‐ acetoin from meso ‐2,3‐butanediol using 2,3‐butanediol dehydrogenase and NADH oxidase journal May 2019
Engineering a thermostable highly active glucose 6-phosphate dehydrogenase and its application to hydrogen production in vitro journal February 2018
Biomanufacturing: history and perspective journal November 2016
A kinetic model to optimize and direct the dose ratio of Dsz enzymes in the 4S desulfurization pathway in vitro and in vivo journal September 2019
In vitro multi-enzymatic cascades using recombinant lysates of E. coli: an emerging biocatalysis platform journal January 2020
Forward design of a complex enzyme cascade reaction journal September 2016
Synthetic and systems biology for microbial production of commodity chemicals journal April 2016
Streamlined hydrogen production from biomass journal April 2018
Bioaggregate of photo-fermentative bacteria for enhancing continuous hydrogen production in a sequencing batch photobioreactor journal November 2015
Biotechnological production of acetoin, a bio-based platform chemical, from a lignocellulosic resource by metabolically engineered Enterobacter cloacae journal January 2016
Ultra-rapid rates of water splitting for biohydrogen gas production through in vitro artificial enzymatic pathways journal January 2018
Electrical decoupling of microbial electrochemical reactions enables spontaneous H 2 evolution journal January 2020
Expanding the boundary of biocatalysis: design and optimization of in vitro tandem catalytic reactions for biochemical production journal February 2018
Coevolution of both Thermostability and Activity of Polyphosphate Glucokinase from Thermobifida fusca YX journal June 2018
Biosynthesis of Raffinose and Stachyose from Sucrose via an In Vitro Multienzyme System journal November 2018
Developing a single strain for in vitro salvage synthesis of NAD+ at high temperatures and its potential for bioconversion journal April 2019
Acceleration of cellodextrin phosphorolysis for bioelectricity generation from cellulosic biomass by integrating a synthetic two-enzyme complex into an in vitro synthetic enzymatic biosystem journal November 2019
Stoichiometric Regeneration of ATP by A NAD(P)/CoA-free and Phosphate-balanced In Vitro Synthetic Enzymatic Biosystem journal November 2018
Methanol-Water Aqueous-Phase Reforming with the Assistance of Dehydrogenases at Near-Room Temperature journal February 2018
Hierarchical Micro‐ and Mesoporous Zn‐Based Metal–Organic Frameworks Templated by Hydrogels: Their Use for Enzyme Immobilization and Catalysis of Knoevenagel Reaction journal October 2019
In vitro production of cysteine from glucose journal August 2019
Forward design of a complex enzyme cascade reaction text January 2016
Hierarchical Micro‐ and Mesoporous Zn‐Based Metal–Organic Frameworks Templated by Hydrogels: Their Use for Enzyme Immobilization and Catalysis of Knoevenagel Reaction journal September 2019
Protein engineering of oxidoreductases utilizing nicotinamide-based coenzymes, with applications in synthetic biology journal September 2017
Conversion of d-glucose to l-lactate via pyruvate by an optimized cell-free enzymatic biosystem containing minimized reactions journal September 2018
Metabolite-based mutualism enhances hydrogen production in a two-species microbial consortium journal February 2019
Production and Application of a Soluble Hydrogenase from Pyrococcus furiosus journal January 2015