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- Title
<em>LEPIDODINIUM VIRIDE</em> GEN. ET SP. NOV. (GYMNODINIALES, DINOPHYTA), A GREEN DINOFLAGELLATE WITH A CHLOROPHYLL <em>A</em>- AND <em>B</em>-CONTAINING ENDOSYMBIONT.
- Authors
Wanabe, Makoto M.; Suda, Shoichiro; Inouye, Isao; Sawaguchi, Tomohiro; Chihara, Mitsuo
- Abstract
A further description of the green dinoflagellate, strain Y-100, with a chlorophyll a-and b-containing endosymbiont is given with special emphasis on the morphology of the host cell. The host dinoflagellate cell is unarmored and has a gymnodinoid overall appearance. The theca or amphiesma basically consists of the outer membrane and flattened thecal vesicles in which no thecal plates are developed. Unusual hand basket-shaped scales cover the entire cell surface together with a layer of mucilaginous material. These findings suggest that the organism is a new member of the Gymnodiniaceae (Gymnodiniales). We propose the name Lepidodinium viride gen. et sp. nov. The ultrastructure of the host cell is typical of the dinoflagellates; however, the organism has 1) an unusual cytoplasmic projection that may be a homologue of the peduncle, 2) a single membrane-bounded body containing membranous sheets, closely situated next to the endosymbiant, and 3) an electron opaque network-forming appendage surrounding the transverse flagellum. None of these features have been found in other dinoflagellates.
- Subjects
GYMNODINIALES; DINOFLAGELLATES; PLANT classification; PHYTOFLAGELLATES
- Publication
Journal of Phycology, 1990, Vol 26, Issue 4, p741
- ISSN
0022-3646
- Publication type
Article
- DOI
10.1111/j.0022-3646.1990.00741.x