Filipin-Sterol Complexes in Bean Rust- and Oat Crown Rust-Fungal/Plant Interactions : Freeze-Etch Electron Microscopy

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1982
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Harder, D. E.
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Protoplasma. 1982, 112(1-2), pp. 46-54. ISSN 0033-183X. eISSN 1615-6102. Available under: doi: 10.1007/BF01280214
Zusammenfassung

Treatment with the polyene antibiotic filipin resulted in the formation of granular protuberances of the plasmamembranes of the mesophyll cells of bean (Phaseolus vulgaris) and oat (Arena sativa) plants, and of intercellular hyphal ceils of the rust fungi Uromyces appendiculatus var. appendiculatus and Puccinia eoronata var. avenae, as seen by freeze-etch electron microscopy. The granules were also occasionally seen in intracellular vesicles of U. appendiculatus. None were found in any intracellular organelles of plant or fungal tissue. The granules ranged in size from about 20-25 nm in the plant tissue and 21-27 nm in the fungal tissue. They were concluded to be filipin-sterol (FS) complexes. The extrahaustorial membranes of either bean or oat rustinfected tissue were generally devoid of FS complexes. The extrahaustorial membrane is continuous with the host plasmamembrane but appeared to have a lower sterol content as compared to the non-invaginated plasmamembrane. The results are discussed in relation to membrane associations at the host-parasite interface.

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Fachgebiet (DDC)
570 Biowissenschaften, Biologie
Schlagwörter
Filipin-stereol complexes, freeze-etch, Uromyces appendiculatus, Phaseolus vulgaris, Puccinia coronata, Avena sativa
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ISO 690HARDER, D. E., Kurt MENDGEN, 1982. Filipin-Sterol Complexes in Bean Rust- and Oat Crown Rust-Fungal/Plant Interactions : Freeze-Etch Electron Microscopy. In: Protoplasma. 1982, 112(1-2), pp. 46-54. ISSN 0033-183X. eISSN 1615-6102. Available under: doi: 10.1007/BF01280214
BibTex
@article{Harder1982Filip-8186,
  year={1982},
  doi={10.1007/BF01280214},
  title={Filipin-Sterol Complexes in Bean Rust- and Oat Crown Rust-Fungal/Plant Interactions : Freeze-Etch Electron Microscopy},
  number={1-2},
  volume={112},
  issn={0033-183X},
  journal={Protoplasma},
  pages={46--54},
  author={Harder, D. E. and Mendgen, Kurt}
}
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