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Formation and release of body scales in the dinoflagellate genus Heterocapsa

Published online by Cambridge University Press:  06 October 2009

Lenita C. Morrill  and
Alfred R. Loeblich III
Lenita C. Morrill
Affiliation:
University of Houston, Marine Science Program, 4700 Avenue U, Galveston, Texas 77550, U.S.A.
Alfred R. Loeblich III
Affiliation:
University of Houston, Marine Science Program, 4700 Avenue U, Galveston, Texas 77550, U.S.A.
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Abstract

Body scales in dinoflagellate species belonging to Heterocapsa developed in vesicles derived from the Golgi apparatus, but did not appear within the stacked Golgi cisternae. The membranes of the scale vesicles functioned as molds for the developing scales. Mature scales within expanded vesicles moved to the flagellar area, the site of release. Body scales were seen within the cytoplasm of Heterocapsa spp. fixed at various times in the light: dark cycle, suggesting that scales are formed and probably released continuously.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 63 , Issue 4 , November 1983 , pp. 905 - 913
Copyright
Copyright © Marine Biological Association of the United Kingdom 1983

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