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Distribution of Crystalline Cellulose-Binding Domain CBM104 in Wood Rotting Fungi
2025 - IRG/WP 25-11073
Wood rotting fungi play a crucial role in biodeterioration of wood. Many brown-rot fungi are known to rapidly degrade cellulose in wood despite lacking enzymes with cellulose-binding domains. This has led to the hypothesis that they rely on a non-enzymatic degradation system. We recently discovered a novel cellulose-binding domain, CBM104, in the brown-rot fungus Gloeophyllum trabeum. In this stud...
Y Kojima, N Sunagawa, M Aoki, S Tagawa, M Wada, K Igarashi, M Yoshida
Investigation of oxalic acid production in brown-rot fungi
2025 - IRG/WP 25-11074
Brown-rot fungi play a crucial role as wood decomposers in forests and are also known as the main cause of biodeterioration of wooden buildings in Japan. Therefore, understanding their decomposition mechanisms is important for the maintenance and preservation of wooden structures. While white-rot fungi generally use enzyme-system for degradation, many brown-rot fungi lack cellobiohydrolases which ...
S Matsumoto, R Tsukida, T Ito, M Iritani, M Yoshida
Effect of the Cellulose-Binding Domain Associated with Xylanase on the Degradation of Softwood and Hardwood Xylan
2025 - IRG/WP 25-11078
Brown rot fungi rapidly degrade hemicellulose, which is recognized as a key decomposition process during the early stages of wood decay. Brown rot fungi possess multiple genes encoding hemicellulose-degrading enzymes, suggesting that enzymatic hydrolysis plays an important role in this process. Hemicellulases produced by these fungi often contain an additional domain classified as carbohydrate-bin...
R Tsukida, Y Kojima, S Kaneko, M Yoshida
Synergistic effect of the association of Prosopis juliflora polyphenolic extractives with tebuconazole on the growth inhibition of brown and white rot fungi: a solution to increase the naturality and safety of wood preservation treatment
2025 - IRG/WP 25-20732
The antifungal effect of catechin and extractives from Prosopis juliflora was studied against one white rot fungus, Trametes versicolor (TV), and one brown rot fungus, Rhodonia placenta (PP). The extractives from Prosopis julilfora were crude mesquitol and pure mesquitol. Tebuconazole was used in this study as a known fungicide against the two named fungi. Wood protection using fungicides can be h...
J Owino, J Tuimising, F Mangin, P Gérardin, A Kiprop, C Gérardin-Charbonnier
Furfurylation of wood with white pocket rot caused by Porodaedalea chrysoloma
2025 - IRG/WP 25-30819
Japanese larch (Larix kaempferi [Lamb.] Carr) is one of the major softwood plantation species in Japan. This tree is an important source of building materials or civil engineering that require strength. However, aged larch trees often suffer damage caused by wood decay fungi under natural conditions. Porodaedalea chrysoloma (Fr.) Fiasson & Niemelä is a basidiomycete and a stem heart rot fungal sp...
Y Mori, Yamashita, Y Ota, M Kiguchi
Preservation conditions of wooden roofs of two historical churches in middle-Sweden
2025 - IRG/WP 25-41016
Assessment of biodegradation by the rot of shingles from the roofs of churches of Hammarby and Tångeråsa in mid-Sweden was done by studies with X-ray computer tomography. The study suggests that inner rot could be detected with CT, which was not always easily detected by visual inspection. In some cases, erosion from the weathered side was fairly large, but the inner wood part was found not to b...
O Karlsson, Y Huang, A Postovoitova, C-F Lin, O Myronycheva
Effect of photodegradation on fungal colonization on wood during initial stage of brown-rot decay
2025 - IRG/WP 25-41024
Photodegradation and decay may happen simultaneously on wood under many exposure conditions. The aim of this study was to explore the effect of photodegradation on fungal colonization during initial stage of brown-rot decay of wood. For this purpose, southern pine (Pinus spp.) wood was exposed to accelerated UV weathering for different durations, and then decayed by a brown rot fungus (Gloeophyllu...
Y Wang, Y Peng, J Cao