Construction of a genetically modified wine yeast strain expressing the Aspergillus aculeatus rhaA gene, encoding an -L-Rhamnosidase of enological interest

P. Manzanares, M. Orejas, J. Vicente Gil, L.H. de Graaff, J. Visser, D. Ramon

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Abstract

The Aspergillus aculeatus rhaA gene encoding an alpha-L-rhamnosidase has been expressed in both laboratory and industrial wine yeast strains. Wines produced in microvinifications, conducted using a combination of the genetically modified industrial strain expressing rhaA and another strain expressing a beta-glucosidase, show. increased content mainly of the aromatic compound linalool.
Original languageEnglish
Pages (from-to)7558-7562
JournalApplied and Environmental Microbiology
Volume69
Issue number12
DOIs
Publication statusPublished - 2003

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Keywords

  • beta-d-glucopyranosidase
  • l-arabinofuranosidase
  • microvinification processes
  • saccharomyces-cerevisiae
  • purifying glycosidases
  • l-rhamnopyranosidase
  • grape juice
  • niger
  • purification
  • aroma

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