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Journal of Cell Science, Vol 4, 751-762, Copyright © 1969 by Company of Biologists

Submitted on July 5, 1968

The Nutritional Relationship of Anemonia Sulcata (Pennant) and its Dinoflagellate Symbiont

D. L. TAYLOR 1

1 Department of Zoology, University College of Swansea and The Laboratory Citadel Hill, Plymouth, England; Haskins Laboratories, 305 East 43rd Street, New York, N.Y., 10017, U.S.A.

High resolution autoradiography in the optical and electron microscopes has been used to define the nature of the nutritional relationship between Anemonia sulcata and its algal symbiont. Grain counts from these autoradiographs have been examined quantitatively, and the results compared with those obtained from an in vitro analysis of the excreted products of the symbionts. These investigations clearly indicate that system of carbon translocation between the alga and the host does exist in situ, and that over 60% of the carbon fixed in photosynthesis in transferred to the host under the conditions of these experiments.

Submitted on July 5, 1968




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© The Company of Biologists Ltd 1969