A light and electron microscopic study of the quadriflagellate green alga Spermatozopsis exsultans

The green flagellate Spermatozopsis exsultans Korshikov has been studied in culture by light and electron microscopy. The organism is naked, bears four flagella and is conspicuously spirally twisted. The ultrastructure and location of cell organelles (except the flagellar apparatus) has been investi...

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Bibliographic Details
Published in:Plant systematics and evolution 1987-01, Vol.158 (1), p.47-61
Main Authors: Melkonian, Michael, McFadden, Geoffrey Ian, Reize, Ingo Botho, Preisig, Hans Rudolf
Format: Article
Language:English
Subjects:
Algae
Biological and medical sciences
Cell nucleus
Cell surface extensions
Chloroplasts
Flagella
Freshwater
Fundamental and applied biological sciences. Psychology
Microbodies
Microtubules
Mitochondria
Organelles
Plant cells
Plant cytology, morphology, systematics, chorology and evolution
Spermatozopsis exsultans
Thallophyta
Vacuoles
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Summary:The green flagellate Spermatozopsis exsultans Korshikov has been studied in culture by light and electron microscopy. The organism is naked, bears four flagella and is conspicuously spirally twisted. The ultrastructure and location of cell organelles (except the flagellar apparatus) has been investigated in detail using an absolute configuration analysis. With the exception of a doubling of the flagella and of the secondary cytoskeletal microtubule system, S. exsultans has the exact same complement of organelles occupying the same relative positions as has been described for S. similis. The two species are therefore correctly placed in the same genus. The usefulness of absolute orientations of cell organelles for green algal taxonomy and phylogeny is stressed.
ISSN:0378-2697
1615-6110
DOI:10.1007/BF00936144