Endoeytosis of 1,3-ß-glueans by broad bean cells at the penetration site of the cowpea rust fungus (haploid stage)

Xu, Haixin; Mendgen, Kurt

Endoeytosis of 1,3-ß-glueans by broad bean cells at the penetration site of the cowpea rust fungus (haploid stage)

Dateien

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Datum

1994

Autor:innen

Xu, Haixin

Mendgen, Kurt

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Planta. 1994, 195(2), pp. 282-290. ISSN 0032-0935. eISSN 1432-2048. Available under: doi: 10.1007/BF00199688

Zusammenfassung

The penetration hypha of basidiospore-derived infection structures of the cowpea rust fungus (Uromyces vignae Barclay) in epidermal cells of the nonhost, broad bean (Viciafaba L.), was studied with the electron microscope after high-pressure freezing and freeze substitution. After fungal invasion of the epidermis, a plug in the penetration hypha separated the infection structures on the cuticle from the intraepidermal vesicle of the fungus. The plug and the fungal cell wall reacted with a polyclonal 1,3-ß-glucan antibody. The plug in the haploid stage seems to have a task similar to the septum formed in the diploid stage of the fungus. Around the penetration hypha, the plant wall stained darkly and a papilla was deposited by the plant. In the papilla, 1,3-ß-glucans were labelled by a monoclonal and a polyclonal antibody. In the infected epidermal cell, clathrin-coated pits, coated vesicles, partially coated reticula and multivesicular bodies were found. The contents of the coated pits, coated vesicles, partially coated reticula and multivesicular bodies bound to monoclonal and polyclonal 1,3-ß-glucan antibodies. Accumulation and uptake of this paramural material into the plant cell by endocytosis is concentrated at the fungal penetration site. It may influence the host-parasite interaction.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

Basidiospore (infection structure), Endocytosis, 1,3-ß-Glucan, Uromyces (host penetration), Vicia (rust infection)

Zitieren

ISO 690

XU, Haixin, Kurt MENDGEN, 1994. Endoeytosis of 1,3-ß-glueans by broad bean cells at the penetration site of the cowpea rust fungus (haploid stage). In: Planta. 1994, 195(2), pp. 282-290. ISSN 0032-0935. eISSN 1432-2048. Available under: doi: 10.1007/BF00199688

BibTex

@article{Xu1994Endoe-8730,
  year={1994},
  doi={10.1007/BF00199688},
  title={Endoeytosis of 1,3-ß-glueans by broad bean cells at the penetration site of the cowpea rust fungus (haploid stage)},
  number={2},
  volume={195},
  issn={0032-0935},
  journal={Planta},
  pages={282--290},
  author={Xu, Haixin and Mendgen, Kurt}
}

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