Activity of an Aspergillus terreus α-arabinofuranosidase on phenolic-substituted oligosaccharides

Elina Luonteri (Corresponding Author), Paul Kroon, Maija Tenkanen, Anita Teleman, Gary Williamson

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Abstract

The effect of phenolic substitutions on the activity of an α-arabinofuranosidase from Aspergillus terreus was investigated using feruloylated oligosaccharides isolated from plant cell walls, equivalent oligosaccharides obtained through treatment with specific ferulic acid esterases, and a synthetic lignin-carbohydrate complex (LCC). Feruloyl substituents limited the hydrolysis of arabinoxylan and arabinan oligosaccharides but only if the feruloyl group was esterified to the terminal non-reducing arabinose. Somewhat surprisingly, the LCC-model compound, in which the arabinose residue is substituted with a bulky dilignol group, was degraded by the enzyme. This indicated that the enzyme is able to approach this linkage from the xylose side.
Original languageEnglish
Pages (from-to)41-48
JournalJournal of Biotechnology
Volume67
Issue number1
DOIs
Publication statusPublished - 1999
MoE publication typeA1 Journal article-refereed

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