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Chloroplasts as symbiotic organelles in the digestive gland of Elysia viridis [Gastropoda: opisthobranchia]

Published online by Cambridge University Press:  11 May 2009

D. L. Taylor
D. L. Taylor
Affiliation:
Zoology Department, University College of Swansea
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Extract

An investigation into the histochemistry and ultrastructure of the digestive gland of Elysia viridis has revealed the presence of two types of epithelial cells, one of which contains numerous, structurally intact algal chloroplasts. Chromatographic studies indicate that these chloroplasts are derived from the animal's specific food, the alga Codium tomentosum. Following ingestion by the animal these do not appear to be digested or excreted, but accumulate and are maintained in the digestive cells. Autoradiographic studies suggest that they may be of some benefit to the animal as symbiotic organelles. Such a phenomenon may prove to be widespread among related species of Opisthobranchia.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 48 , Issue 1 , February 1968 , pp. 1 - 15
Copyright
Copyright © Marine Biological Association of the United Kingdom 1968

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