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  • 1
    Electronic Resource
    Electronic Resource
    The microtubular cytoskeleton of three dinoflagellates: an immunofluorescence study (1988)
    Springer
    Protoplasma 144 (1988), S. 68-71 
    Details
    ISSN: 1615-6102
    Keywords: Amphidinium ; Dinoflagellates ; Cytoskeleton ; Gymnodinium ; Immunofluorescence ; Microtubules
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The sub-thecal microtubular cytoskeleton of the dinoflagellatesAmphidinium rhynchocephalum, Gymnodinium sanguineum, andGymnodinium. sp has been investigated by indirect immunofluorescence microscopy. In these cells, the majority of cytoskeletal microtubules lie in the anterior-posterior plane. These longitudinal microtubules clearly originate from one of two radially arranged microtubular bands that correspond in location with the anterior and posterior edge of the cingolar depression. Despite the morphological variability of these gymnodinioid dinoflagellates, our data indicate that the microtubular cytoskeleton perfectly reflects the spatial patterning of the epicone and hypocone in each cell.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01320283
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Organelle loss in the endosymbiont ofGymnodinium acidotum (Dinophyceae) (1990)
    Springer
    Protoplasma 153 (1990), S. 178-185 
    Details
    ISSN: 1615-6102
    Keywords: Cryptophyceae ; Dinoflagellate ; Dinophyceae ; Endosymbiosis ; Gymnodinium ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The freshwater dinoflagellateGymnodinium acidotum is known to harbor a cryptomonad endosymbiont whose chloroplasts give the organism its blue-green coloration. Every cell examined from a wild population possessed chloroplasts, mitochondria, and other organelles which are of endosymbiotic origin. Transmission electron microscopy and fluorescence microscopy revealed that only 33% of these cells possessed the nucleus of the endosymbiont. The lack of a cryptomonad nucleus in some cells did not appear to affect the cells' ability to photosynthesize or move in response to varying levels of illumination. This represents the first report of a host/endosymbiont relationship in which a significant number of individuals from a given population lack a major endosymbiont organelle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01354002
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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