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Ultrastructural study of the pit connections of Gelidiocolax Gardner (parasitic Rhodophyta)
Seoane Camba, Juan Antonio; Cortadellas i Raméntol, Núria
Universitat de Barcelona
A report on the ultrastructural observations of the pit connections in three species of Gelidiocolax (G. margarifoides (Martin and Pocock) Fan and Papenfus, G. christianae Feldmann and G. deformans Seoane-Carnba) has been carried out. As has been described in other species, electrondense elements and myelinic figures, possibly formed by the endoplasmic reticulum, were condensed in a mass. This mass became a diabolos-shaped structure before the cytoplasm had finished its division and the septum had reached its complete development. Myelinic figures were usually found in the core of well formed pit plugs, but such figures were apparently substituted by granular material during the ontogeny. Key words: Gelidiocolax ultrastructure, Pit connection, Pit connection ultrastructure, Pit connection Ontogeny.
2011-04-15
Ontogènesi
Ontogeny
(c) Seoane-Camba et al., 1998
Article
Departament de Biologia Vegetal, Universitat de Barcelona
         

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