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An indirect assay for volatile compound production in yeast strains

Davide Ravasio, Andrea Walther, Kajetan Trost, Urska Vrhovsek, Jürgen Wendland*

*Corresponding author for this work
11 Citations (Scopus)

Abstract

Traditional flavor analysis relies on gas chromatography coupled to mass spectrometry (GC-MS) methods. Here we describe an indirect method coupling volatile compound formation to an ARO9-promoter-LacZ reporter gene. The resulting β-galactosidase activity correlated well with headspace solid phase micro extraction (HS/SPME) GC-MS data, particularly with respect to the formation of rose flavor. This tool enables large-scale screening of yeast strains and their progeny to identify the most flavor active strains.

Original languageEnglish
Article number3707
JournalScientific Reports
Volume4
ISSN2045-2322
DOIs
Publication statusPublished - 15 Jan 2014
Externally publishedYes

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