Fungal bioturbation paths in a compact disk
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We report here on bioturbation traces, with micro-dendrite textures, composed of a mixture of altered aluminum and polycarbonate, which have been developed in a common compact disk (CD), destroying information pits. Fungal hyphae proliferated in these deteriorated zones, and Geotrichum-type fungus was isolated from surface-sterilized CD fragments. The severe biodeterioration described is attributed to the slow growth of this arthroconidial fungus on the CD material in the tropical indoor environment of Belize, Central America (~30°C, ~90% humidity).
KeywordsPolycarbonate Compact Disk Trichosporon Airborne Fungal Spore Cell Wall Chemistry
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