CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Aureobasidium sp. mould. Coloured scanning electron micrograph (SEM) of fruiting bodies of Aureobasidium sp. (or Pullularia sp.) mould. The fruiting bodies are the brown spheres borne on long fibres. The mycelium of the mould (lower left) is made up of tangled hyphae. Aureobasidium mould is commonly called a black yeast but is actually unrelated to the yeasts. It is known to grow on surfaces painted with oil-based paints, such as wooden window and door frames. This particular mould was found on a window sill. Fungicides may be included in paint to discourage this type of spoilage. Magnification unknown.
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