Electron microscopic study of Conidium ontogeny in Coniothyrium cupressacearum (Coelomycetes)
Persoonia - Molecular Phylogeny and Evolution of Fungi , Volume 9 - Issue 2 p. 257- 264
Coniothyrium cupressacearum (Morelet) Morelet, exhibiting annellated conidiogenous cells in light microscopy, was examined by transmission electron microscopy. Since the conidial wall is formed de novo, i.e. not continuous with a pre-existent layer of the conidiogenous cell wall, the conidiogenesis is clearly phialidic. After production of a number of conidia, a percurrent proliferation of the phialide collar occurs; this explains the annellated appearance. The annellide is not considered to be a special kind of conidiogenous cell but a variation of either the phialide or the aleuriophore.
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Reisinger, Otto, Morelet, Michel, & Kiffer, Etienne. (1977). Electron microscopic study of Conidium ontogeny in Coniothyrium cupressacearum (Coelomycetes). Persoonia - Molecular Phylogeny and Evolution of Fungi, 9(2), 257–264.