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- Title
ULTRASTRUCTURE OF THE RED TIDE DINOFLAGELLATE GYMNODINIUM BREVE. I. GENERAL DESCRIPTION.
- Authors
Steidinger, Karen A.; Truby, Earnest W.; Dawes, Clinton J.
- Abstract
Gymnodimium breve <em>Davis, an unarmored marine dinoflagellate has a cell covering (theca) composed of four membranes. The inner two membranes represent a vesicular layer and in tangential section, the theca appears composed of polygonal areas, unusual thecal ridges are located in the cingular region between the eip-and hypocone. This osmotically sensitive species is extremely vesiculate with dispersed areas of cytoplasm containing typical eukaryotic organelles as well as other organelles found only in dinoflagellates. The non-vesiculated cytoplasm in continuous in serial sections. The chloroplasts can contain either quasiradial or parallel lamellae typically consisting of three thylakoids each. The pyrenoid is multiple-stalked and lacks a starch cap. The dinophycean pusule is simple and similar to those found in several unarmored marine species. The nucleus is typically dinophycean but the chromosomes appear to lack nonfibrillar material</em>.
- Subjects
DINOFLAGELLATES; ULTRASTRUCTURE of biological membranes; MICROSTRUCTURE; ULTRASTRUCTURE (Biology); CYTOLOGY; MICROALGAE
- Publication
Journal of Phycology, 1978, Vol 14, Issue 1, p72
- ISSN
0022-3646
- Publication type
Article
- DOI
10.1111/j.1529-8817.1978.tb00634.x