Studies on cell wall polysaccharides from Neurospora crassa. Part II. Change of the structure of cell wall .BETA.-1,3-D-glucan with the growth of Neurospora crassa cells.

Hiura, Nozomi; Honjyo, Isao; Nakajima, Tasuku; Matsuda, Kazuo

doi:10.1271/bbb1961.48.1041

Cited by 5 publications

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“…The latter recognizes linear oligosacharides of this polymer (Meikle et al 1991). Branched 1,3-[3-glucans are typical constituents of the walls of basidiomycetes (Sietsma and Wessels 1977;Mol and Wessels 1990;Freytag and Mendgen 1991) and of other fungi (Hiura et al 1984;Horisberger et al 1985;Latge et al 1986;Gollotte et al 1993).…”

Section: Discussionmentioning

confidence: 99%

Endocytosis of 1,3-?-glucans by broad bean cells at the penetration site of the cowpea rust fungus (haploid stage)

Mendgen

1994

Planta

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Abstract. 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 1,3-13-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-]3-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-f3-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.

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