skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Engineered hosts with exogenous ligninase and uses thereof

Patent ·
OSTI ID:1925142

The present invention relates to methods and engineered microbial hosts useful for treating lignin or a derivative thereof. In some embodiments, the host has one or more exogenous nucleic acid sequences that encode a ligninase (e.g., a laccase and/or a peroxidase).

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
NA0003525
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Number(s):
11,453,895
Application Number:
16/838,340
OSTI ID:
1925142
Resource Relation:
Patent File Date: 04/02/2020
Country of Publication:
United States
Language:
English

References (53)

Lignin Valorization: Two Hybrid Biochemical Routes for the Conversion of Polymeric Lignin into Value-added Chemicals journal August 2017
Lignin peroxidase functionalities and prospective applications journal September 2016
Antioxidant activity applying an improved ABTS radical cation decolorization assay journal May 1999
Development of a Saccharomyces cerevisiae Strain with Enhanced Resistance to Phenolic Fermentation Inhibitors in Lignocellulose Hydrolysates by Heterologous Expression of Laccase journal March 2001
Recombinant Laccase: I. Enzyme cloning and characterization journal January 2013
Stable and Functionally Diverse Versatile Peroxidases Designed Directly from Sequences journal February 2022
Engineering the ligninolytic enzyme consortium journal March 2015
Comparison of Fungal Laccases and Redox Mediators in Oxidation of a Nonphenolic Lignin Model Compound journal June 1999
Factors Influencing the Antioxidant Activity Determined by the ABTS•+Radical Cation Assay journal January 1997
Impact and prospective of fungal pre-treatment of lignocellulosic biomass for enzymatic hydrolysis journal January 2012
Structural Determinants of Oxidative Stabilization in an Evolved Versatile Peroxidase journal October 2014
Can laccases catalyze bond cleavage in lignin? journal January 2015
Laccase engineering: From rational design to directed evolution journal January 2015
Systematic Screening of All Signal Peptides from Bacillus subtilis: A Powerful Strategy in Optimizing Heterologous Protein Secretion in Gram-positive Bacteria journal September 2006
Laccases and Their Applications: A Patent Review journal January 2008
Apparatus and method for measuring single cell and sub-cellular photosynthetic efficiency patent July 2013
Lignin-degrading enzymes journal February 2015
Characterization of a gene encoding Trametes versicolor laccase A and improved heterologous expression in Saccharomyces cerevisiae by decreased cultivation temperature journal September 1999
Effect of pH on the stability of Pleurotus eryngii versatile peroxidase during heterologous production in Emericella nidulans journal August 2004
Microbial Laccases and their Applications: A Review journal February 2011
Preparation of hydrophobic coatings patent February 2009
Lignin degradation: microorganisms, enzymes involved, genomes analysis and evolution journal October 2017
Complete Sequence of the First Chimera Genome Constructed by Cloning the Whole Genome of Synechocystis Strain PCC6803 into the Bacillus subtilis 168 Genome journal December 2012
Laccase Variants Having Increased Expression and/or Activity patent-application May 2014
Synthesis of novel ionic liquids from lignin-derived compounds patent September 2017
Laboratory Evolution of High-Redox Potential Laccases journal September 2010
Structural Characterization of Lignin and Its Degradation Products with Spectroscopic Methods journal January 2017
Development of Pgrac100-based expression vectors allowing high protein production levels in Bacillus subtilis and relatively low basal expression in Escherichia coli journal May 2015
Enzymatic lignocellulose hydrolysis: Improved cellulase productivity by insoluble solids recycling journal January 2013
Development of a strong intracellular expression system for Bacillus subtilis by optimizing promoter elements journal January 2012
Engineering Platforms for Directed Evolution of Laccase from Pycnoporus cinnabarinus journal December 2011
The making of versatile peroxidase by directed evolution journal August 2017
Development of chimeric laccases by directed evolution journal July 2012
Toward engineering E. coli with an autoregulatory system for lignin valorization journal March 2018
Improvement of hydrogen peroxide stability of Pleurotus eryngii versatile ligninolytic peroxidase by rational protein engineering journal January 2014
Assembly of evolved ligninolytic genes inSaccharomyces cerevisiae journal May 2014
Lignin biodegradation and industrial implications journal January 2014
Synthesis of novel ionic liquids from lignin-derived compounds patent December 2018
Laccase: a multi‐purpose biocatalyst at the forefront of biotechnology journal October 2016
Renewable aromatics from lignocellulosic lignin patent February 2019
Blood Tolerant Laccase by Directed Evolution journal February 2013
Decoding how a soil bacterium extracts building blocks and metabolic energy from ligninolysis provides road map for lignin valorization journal September 2016
Multiplexed screening of enzyme activities using nanostructure-initiator mass spectrometry patent March 2019
Plant cell wall lignification and monolignol metabolism journal January 2013
Protein tolerance to random amino acid change journal June 2004
Comparative antioxidant activities of carotenoids measured by ferric reducing antioxidant power (FRAP), ABTS bleaching assay (αTEAC), DPPH assay and peroxyl radical scavenging assay journal November 2011
Renewable aromatics from lignocellulosic lignin patent March 2019
Saccharomyces cerevisiae in directed evolution: An efficient tool to improve enzymes journal May 2012
Laccases as a Potential Tool for the Efficient Conversion of Lignocellulosic Biomass: A Review journal May 2017
Alkaline versatile peroxidase by directed evolution journal January 2016
HMF production from glucose in ionic liquid media patent October 2018
OPTIMIZER: a web server for optimizing the codon usage of DNA sequences journal May 2007
Engineering and Applications of fungal laccases for organic synthesis journal January 2008