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Biotransformation of vanillin into vanillyl alcohol by a novel strain of Cystobasidium laryngis isolated from decaying wood
Department of Chemical Engineering, Mid Sweden University, Sundsvall, Sweden.ORCID iD: 0000-0002-9468-0099
Department of Chemical Engineering, Mid Sweden University, Sundsvall, Sweden.ORCID iD: 0000-0002-5543-2041
University of Gävle, Faculty of Health and Occupational Studies, Department of Occupational and Public Health Sciences, Biology. University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building, Energy and Environmental Engineering, Environmental engineering.ORCID iD: 0000-0002-8895-5631
2018 (English)In: AMB Express, ISSN 2191-0855, E-ISSN 2191-0855, Vol. 8, no 1, article id 137Article in journal (Refereed) Published
Abstract [en]

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 industrial utilisation of lignocellulosic residues.

Place, publisher, year, edition, pages
2018. Vol. 8, no 1, article id 137
Keywords [en]
Vanillin, Cystobasidium, Bioconversion, Biodegradation, Cystobasidiomycetes, Rhodotorula
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:hig:diva-27861DOI: 10.1186/s13568-018-0666-4ISI: 000442555800002PubMedID: 30143905Scopus ID: 2-s2.0-85052069822OAI: oai:DiVA.org:hig-27861DiVA, id: diva2:1245872
Note

Operational Programme European Regional Development Fund (OP ERDF) Grant no: CCI: 2014SE16RFOP007  20201022

Available from: 2018-09-06 Created: 2018-09-06 Last updated: 2018-11-27Bibliographically approved

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Rönnander, JonasWright, Sandra Ann Ingela

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