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Scanning Electron Microscopy of the Contact Site of Conidia and Trichogynes in Cladonia Furcata


Honegger, Rosmarie (1984). Scanning Electron Microscopy of the Contact Site of Conidia and Trichogynes in Cladonia Furcata. The Lichenologist, 16(01):11-19.

Abstract

The contact sites of pycnidia and the terminal cells of trichogynes in <jats:italic>Cladonia furcata</jats:italic> were investigated using either freshly fixed material, or ascomatal primordia and pycnidia from which the gelatinous material either on the primordial surface, or in the pycnidial cavity, had been removed. The sickle-shaped conidia fused, tip first, with the cell wall of trichogynes. Circular holes of about the diameter of the conidia found in the cell walls of trichogynes arise from enzymatic degradation of the wall material by fusing conidia. As the conidia appear to stick on any gelatinous surface material of the thallus the adhesion process is presumed to be unspecific.

Abstract

The contact sites of pycnidia and the terminal cells of trichogynes in <jats:italic>Cladonia furcata</jats:italic> were investigated using either freshly fixed material, or ascomatal primordia and pycnidia from which the gelatinous material either on the primordial surface, or in the pycnidial cavity, had been removed. The sickle-shaped conidia fused, tip first, with the cell wall of trichogynes. Circular holes of about the diameter of the conidia found in the cell walls of trichogynes arise from enzymatic degradation of the wall material by fusing conidia. As the conidia appear to stick on any gelatinous surface material of the thallus the adhesion process is presumed to be unspecific.

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Item Type:Journal Article, refereed, original work
Communities & Collections:National licences > 142-005
Dewey Decimal Classification:Unspecified
Scopus Subject Areas:Life Sciences > Ecology, Evolution, Behavior and Systematics
Language:English
Date:1 February 1984
Deposited On:18 Oct 2018 12:26
Last Modified:15 Apr 2021 14:51
Publisher:Cambridge University Press
ISSN:0024-2829
OA Status:Green
Publisher DOI:https://doi.org/10.1017/s0024282984000049

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