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Effect of wood modification on gene expression during incipient Postia placenta decay
RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Material och produkter (TRm).ORCID-id: 0000-0002-6208-8314
RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Hållbar Samhällsbyggnad.ORCID-id: 0000-0003-2902-2257
Technische Univerität München, Germany.
2014 (engelsk)Inngår i: International Biodeterioration & Biodegradation, ISSN 0964-8305, E-ISSN 1879-0208, Vol. 86, nr B, s. 86-91Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The mode of action of nontoxic wood modifications and the fungal response to modified wood are not fully elucidated. The aim of this study was to investigate the reaction of Postia placenta in terms of gene expression of selected genes upon the encounter of acetylated, DMDHEU-treated and thermally modified wood. Quantitative PCR (qPCR) showed that the investigated P.placentagenes involved in oxidative degradation were expressed at higher levels in modified wood than in untreated wood, while expression levels in modified wood for the investigated genes involved in enzymatic degradation were slightly lower than those in untreated wood. The results indicate that the response of P.placenta upon the encounter of modified wood is to up-regulate the expressionof the oxidative degradation machinery. In addition, our results support the theory that the decay resistance of the herein studied modified woods is due to inhibition of fungal molecules, needed for oxidative degradation of wood polymers, to penetrate the wood cell wall.

sted, utgiver, år, opplag, sider
2014. Vol. 86, nr B, s. 86-91
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URN: urn:nbn:se:ri:diva-6605DOI: 10.1016/j.ibiod.2013.09.002Scopus ID: 2-s2.0-84888063324Lokal ID: 15250OAI: oai:DiVA.org:ri-6605DiVA, id: diva2:964444
Tilgjengelig fra: 2016-09-08 Laget: 2016-09-08 Sist oppdatert: 2020-12-01bibliografisk kontrollert

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