Conversion of S-Lignin Compounds to Useful Intermediates

Christopher Johnson (Inventor), Allison Werner (Inventor), Gregg Beckham (Inventor), Sandra Notonier (Inventor)

Research output: Patent


The present disclosure relates to a genetically modified microbial cell that includes a first genetic modification resulting in the expression of an exogenous vanillate demethylase, such that the microbial cell is capable of metabolizing an S-lignin decomposition product and producing 2-pyrone-4,6-dicarboxylate (PDC).
Original languageAmerican English
Patent number11,807,873 B2
Filing date7/11/23
StatePublished - 2023

NREL Publication Number

  • NREL/PT-2800-88048


  • exogenous vanillate demethylase
  • modified microbial cell
  • S-lignin decomposition product


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