Sixty yeast strains, which belong to 32 species of the genera Debaryomyces, Kluyveromyces and Pichia, and which were isolated from plant-, soil- or insect-associated habitats, were screened for their ability to biotransform the acyclic monoterpenes geraniol and nerol. The aptitude to convert both compounds (from 2.6 to 30.6 and from 2.7 to 29.1 %/g cell DW, = dry weight), resp.) was apparently a broad distributed character in such yeasts. Depending upon the substrate used, the production of linalool, alfa-terpineol, β-myrcene, D-limonene, (E)-β-ocimene, (Z)-β-ocimene or carene was observed. Linalool was the main product obtained from geraniol, whereas linalool and alfa-terpineol were the main products obtained through the conversion of nerol. Yet, differently from nerol, the aptitude to exhibit high bioconversion yields of geraniol to linalool was an apparently genus-related character, whereas the ability to produce other monoterpenes was a both genus- and habitat-related character. The possible pathways of bioconversion of geraniol or nerol to their derivative were proposed/discussed.
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|Anno di pubblicazione:||2008|
|Titolo:||Biotransformation of Acyclic Monoterpenoids by Debaryomyces sp., Kluyveromyces sp. and Pichia sp. Strains of Environmental Origin|
|Autori:||C. Ponzoni; C. Gasparetti; M. Goretti; B. Turchetti; U.M. Pagnoni; M.R. Cramarossa; L. Forti; P. Buzzini|
|Digital Object Identifier (DOI):||10.1002/cbdv.200890046|
|Appare nelle tipologie:||Articolo su rivista|
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