Copper translocation from preserved wood exposed to wood decay fungi
2002
Humar, M. | Pohleven, F. (Ljubljana Univ. (Slovenia). Biotechnical Fac., Wood Science and Technology Dept.) | Kalan, P. (Slovenian Forestry Inst., Ljubljana (Slovenia)) | Amartey, S. (Buckinghamshire Chilterns University College (United Kingdom). Forest Products Research Centre)
Copper tolerance by wood decay fungi is one of the most significant problems in the field of wood preservation. These fungi are a potential danger for preserved wood in use, wood with an expected lifespan of 30 years. However, the nature of the fungal tolerance is still not completely understood. The resistance of some species of wood decay fungi to copper has been connected to their production of copious amounts of oxalic acid. However, oxalic acid production is not the only factor responsible for this phenomenon. Laboratory experiments have shown that one other important mechanism is active copper transport of copper tolerant fungi and diffusion of copper by intolerant ones.
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