Biotransformation of vanillin into vanillyl alcohol by a novel strain of Cystobasidium laryngis isolated from decaying wood

AMB Express
Jonas RönnanderSandra Ann Ingela Wright

Abstract

Vanillin is an aromatic aldehyde found as a component of lignocellulosic material, and in the cured pods of orchidaceae plants. Like other phenolic substances, vanillin has antimicrobial activity and can be extracted from lignin either by a thermo-chemical process or through microbial degradation. Vanillin, can serve as a model monomer in biodegradation studies of lignin. In the present study, a yeast isolated from decaying wood on the Faroe Islands, was identified as Cystobasidium laryngis strain FMYD002, based on internal transcribed spacer sequence analysis. It demonstrated the ability to convert vanillin to vanillyl alcohol, as detected by ultra-high performance liquid chromatography-quadrupole-time-of-flight. Structural analysis of vanillyl alcohol was carried out by using gas chromatography-mass spectrometry and 1H NMR spectroscopy, and further verified by synthesis. The reduction of vanillin to vanillyl alcohol has been documented for only a few species of fungi. However, to our knowledge, this biotransformation has not yet been reported for basidiomycetous yeast species, nor for any representative of the subphylum Pucciniomycotina. The biotransformation capability of the present strain might prove useful in the industri...Continue Reading

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Citations

Apr 15, 2021·Antonie van Leeuwenhoek·Jonas Rönnander, Sandra Ann Ingela Wright

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Datasets Mentioned

BETA
MG674823

Methods Mentioned

BETA
chips
chip
PCR
NMR

Software Mentioned

Lasergene
Agilent
Basic Local Alignment Search Tool
SeqMan Pro NGen
Masshunter Qualitative
DNAStar

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