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Hyphal tip ultrastructure ofAspergillus nidulans andAspergillus giganteus and possible implications of woronin bodies close to the hyphal apex of the latter species

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Summary

The hyphal tip ultrastructure ofAspergillus nidulans andAspergillus giganteus indicates that their apical organization is very similar to that found in other filamentous fungi. Both species have an area immediately behind the hyphal apex free of all large organelles and containing a high concentration of vesicles. InA. giganteus only one size class of vesicle is clearly evident, with a mean diameter of 72 nm. InA. nidulans two size classes of vesicle were found, with mean diameters of 75 nm and 31 nm. A Spitzenkörper is evident inA. nidulans as an area very close to the tip containing only the smaller vesicles. InA. giganteus one or more apparently mature Woronin bodies were found within the first 1 μm of some hyphal apices. The possible significance of their presence is discussed.

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Authors and Affiliations

  1. Department of Microbiology, Queen Elizabeth College, Atkins Building, Campden Hill Road, W8 7AH, London, UK

    Annette J. Collinge & P. Markham

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  1. Annette J. Collinge
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  2. P. Markham
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Collinge, A.J., Markham, P. Hyphal tip ultrastructure ofAspergillus nidulans andAspergillus giganteus and possible implications of woronin bodies close to the hyphal apex of the latter species. Protoplasma 113, 209–213 (1982). https://doi.org/10.1007/BF01280909

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  • DOI: https://doi.org/10.1007/BF01280909

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