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Brown rot gene expression and regulation in acetylated and furfurylated wood: A complex picture
RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.ORCID-id: 0000-0002-6208-8314
RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign. Technical University of Munich, Germany.ORCID-id: 0000-0003-2902-2257
Technical University of Munich, Germany.
2020 (Engelska)Ingår i: Holzforschung, ISSN 0018-3830, E-ISSN 1437-434X, Vol. 74, nr 4, s. 391-399Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The aim of this study was to investigate Rhodonia placenta expression patterns of genes involved in the depolymerisation during the non-enzymatic phase in acetylated (WAc) and furfurylated wood (WFA). During the 98-day-long exposure, WAc [22.6% weight per cent gain (WPG) on average] and WFA (69% WPG on average) lost no more than 3% mass while the untreated wood (WUn) reached 41% mass loss (ML) in 55 days. Expression of six genes putatively involved in the non-enzymatic degradation process were investigated. In conclusion, expression levels of alcohol oxidase Ppl118723 (AlOx1) and laccase Ppl111314 (Lac) were significantly higher in the modified wood materials (WMod) than in WUn, which is in accordance with previous results and may be explained by the absence of the degradation products that have been proposed to down-regulate the non-enzymatic degradation process. However, copper radical oxidase Ppl156703 (CRO1) and a putative quinate transporter Ppl44553 (PQT) were expressed at significantly lower levels in WMod than in WUn while quinone reductase Ppl124517 (QRD) and glucose oxidase Ppl108489 (GOx) were expressed at similar levels as in WUn. These results suggest that gene regulation in WMod is more complex than a general up-regulation of genes involved in the non-enzymatic degradation phase.

Ort, förlag, år, upplaga, sidor
De Gruyter , 2020. Vol. 74, nr 4, s. 391-399
Nyckelord [en]
acetylated wood, Basidiomycetes, brown rot fungi, chelator-mediated Fenton degradation, fungal degradation, furfurylated wood, Aluminum compounds, Binary alloys, Biodegradation, Degradation, Fungi, Gene expression, Glucose oxidase, Glucose sensors, Quinone, Degradation products, Expression levels, Expression patterns, Quinone reductase, Wood
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Naturvetenskap
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URN: urn:nbn:se:ri:diva-44259DOI: 10.1515/hf-2019-0031Scopus ID: 2-s2.0-85079659100OAI: oai:DiVA.org:ri-44259DiVA, id: diva2:1402785
Tillgänglig från: 2020-02-28 Skapad: 2020-02-28 Senast uppdaterad: 2020-12-01Bibliografiskt granskad

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Ringman, RebeckaPilgård, Annica

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