Multimeric hemicellulases facilitate biomass conversion

Appl Environ Microbiol. 2009 Mar;75(6):1754-7. doi: 10.1128/AEM.02181-08. Epub 2009 Jan 16.

Abstract

Two highly active trifunctional hemicellulases were constructed by linking the catalytic portion of a xylanase with an arabinofuranosidase and a xylosidase, using either flexible peptide linkers or linkers containing a cellulose-binding domain. The multifunctional enzymes retain the parental enzyme properties and exhibit synergistic effects in hydrolysis of natural xylans and corn stover.

Publication types

  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Amino Acid Sequence
  • Biomass*
  • Endo-1,4-beta Xylanases / genetics
  • Endo-1,4-beta Xylanases / metabolism
  • Glycoside Hydrolases / genetics
  • Glycoside Hydrolases / metabolism*
  • Molecular Sequence Data
  • Recombinant Fusion Proteins / genetics
  • Recombinant Fusion Proteins / metabolism
  • Xylans / metabolism*
  • Xylosidases / genetics
  • Xylosidases / metabolism
  • Zea mays / metabolism*

Substances

  • Recombinant Fusion Proteins
  • Xylans
  • Glycoside Hydrolases
  • Xylosidases
  • hemicellulase
  • alpha-N-arabinofuranosidase
  • Endo-1,4-beta Xylanases