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

Appl Environ Microbiol

Departamento de Biotecnología, Instituto de Agroquímica y Tecnología de Alimentos (CSIC), Burjassot, 46100 Valencia, Spain.

Published: December 2003

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.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC309916PMC
http://dx.doi.org/10.1128/AEM.69.12.7558-7562.2003DOI Listing

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