Hemicellulase production in Chrysosporium lucknowense C1

S.W.A. Hinz, L.A.M. Pouvreau, R. Joosten, J. Bartels, M.C. Jonathan, J. Wery, H.A. Schols

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45 Citations (Scopus)

Abstract

Filamentous fungi are widely used for enzyme production for the biofuel industry. The ascomycetous fungus Chrysosporium lucknowense C1 was isolated as a natural producer of neutral cellulases. It is at present an attractive alternative to well known fungi like Aspergillus sp. and Trichoderma reesei for protein production on a commercial scale. Besides many cellulases, a large number of hemicellulases (particularly xylanases and arabinofuranosidases) and esterases (acetyl xylan esterases and ferulic acid esterases) encoding genes have also been identified in the C1 genome. Many of these extracellular enzymes have been selectively expressed in C1 and then purified and characterized. Four arabinofuranosidases, two acetyl xylan esterases, two ferulic acid esterases, an a-glucuronidase and four xylanases have been purified and characterized. All these enzymes were found to be active towards arabinoxylans, demonstrating the high potential of C1 as a producer of hemicellulolytic enzymes.
Original languageEnglish
Pages (from-to)318-323
JournalJournal of Cereal Science
Volume50
DOIs
Publication statusPublished - 2009

Keywords

  • recombinant saccharomyces-cerevisiae
  • fungus trichoderma-reesei
  • alpha-glucuronidase
  • aspergillus-niger
  • wheat arabinoxylan
  • ferulic acid
  • feruloylated oligosaccharides
  • degrading enzymes
  • maize bran
  • xylose

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