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  • Title: The existence of a dispensable fibrillar layer on the wall surface of mycelial but not yeast cells of Aureobasidium pullulans.
    Author: Takeo K, Mine H, Nishimura K, Miyaji M.
    Journal: FEMS Microbiol Lett; 1993 Aug 01; 111(2-3):153-8. PubMed ID: 8405925.
    Abstract:
    Wall surface ultrastructure of Aureobasidium pullulans was studied by freeze-etching. Yeast cells had a smooth wall surface as in typical yeast species. Mycelial cells and chlamydospores had an extra layer on the wall surface made mostly of fibrils. The fibrils were 20 nm in diameter, and thicker than typical major fungal wall skeletal fibrils of beta-glucan and chitin. This layer was apparently easily detached from the wall proper, presumably as a result of enzymic activity or by physical means, suggesting that it is a physiologically dispensable wall component.
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