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.

Biotransformation of Acyclic Monoterpenoids by Debaryomyces sp., Kluyveromyces sp. and Pichia sp. Strains of Environmental Origin / Ponzoni, Chiara; C., Gasparetti; M., Goretti; B., Turchetti; Pagnoni, Ugo Maria; Cramarossa, Maria Rita; Forti, Luca; P., Buzzini. - In: CHEMISTRY & BIODIVERSITY. - ISSN 1612-1872. - STAMPA. - 5:(2008), pp. 471-483. [10.1002/cbdv.200890046]

Biotransformation of Acyclic Monoterpenoids by Debaryomyces sp., Kluyveromyces sp. and Pichia sp. Strains of Environmental Origin

PONZONI, Chiara;PAGNONI, Ugo Maria;CRAMAROSSA, Maria Rita;FORTI, Luca;
2008

Abstract

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.
5
471
483
Biotransformation of Acyclic Monoterpenoids by Debaryomyces sp., Kluyveromyces sp. and Pichia sp. Strains of Environmental Origin / Ponzoni, Chiara; C., Gasparetti; M., Goretti; B., Turchetti; Pagnoni, Ugo Maria; Cramarossa, Maria Rita; Forti, Luca; P., Buzzini. - In: CHEMISTRY & BIODIVERSITY. - ISSN 1612-1872. - STAMPA. - 5:(2008), pp. 471-483. [10.1002/cbdv.200890046]
Ponzoni, Chiara; C., Gasparetti; M., Goretti; B., Turchetti; Pagnoni, Ugo Maria; Cramarossa, Maria Rita; Forti, Luca; P., Buzzini
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/623038
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