IMIS | Flanders Marine Institute
 

Flanders Marine Institute

Platform for marine research

IMIS

Publications | Institutes | Persons | Datasets | Projects | Maps
[ report an error in this record ]basket (0): add | show Printer-friendly version

The chloroplast-animal association in four Iberian Sacoglossan Opisthobranchs: Elysia timida, Elysia translucens, Thuridilla hopei and Bosellia mimetica
Marín, A.; Ros, J.D. (1989). The chloroplast-animal association in four Iberian Sacoglossan Opisthobranchs: Elysia timida, Elysia translucens, Thuridilla hopei and Bosellia mimetica, in: Ros, J.D. (Ed.) Topics in Marine Biology: Proceedings of the 22nd European Marine Biology Symposium, Barcelona, Spain, August 1987. Scientia Marina (Barcelona), 53(2-3): pp. 429-440
In: Ros, J.D. (Ed.) (1989). Topics in Marine Biology: Proceedings of the 22nd European Marine Biology Symposium, Barcelona, Spain, August 1987. Scientia Marina (Barcelona), 53(2-3). Instituto de Ciencias del Mar: Barcelona. 145-754 pp., more
In: Scientia Marina (Barcelona). Consejo Superior de Investigaciones Científicas. Institut de Ciènces del Mar: Barcelona. ISSN 0214-8358, more
Peer reviewed article  

Available in Authors 
    VLIZ: Proceedings [16945]
Document type: Conference paper

Keyword
    Marine

Authors  Top 
  • Marín, A.
  • Ros, J.D., more

Abstract
    The Opisthobranch molluscs Elysia timida, E. translucens, Thuridilla hopei and Bosellia mimetica feed suctorially on the algae Acetabularia acetabulum, Udotea petiolata, Cladophora vagabunda and Halimeda tuna, respectively. The animals retain functional chloroplasts from their food. Symbiotic retention of functional algal chloroplasts in these Sacoglossan species is proved by electron micrography of the digestive gland, and the activity of the organelles by means of incubations with NaH14CO3 in the light and in the dark for varying periods of time. In Elysia timida, fixation rates were measured at different light intensities and between 10-35°C. Carbon incorporation after a 40 days starvation period is registered. About 7-8% of the net 14-C photosynthetically fixed by functional chloroplasts was secreted in mucus by the molluscs. After 12 days, juveniles retained chloroplasts in the digestive gland. Chloroplasts associated with Thuridilla hopei lose their functional ability after 5 days. The results are discussed in the general frame of the meaning of this symbiosis between algae and molluscs.

All data in IMIS is subject to the VLIZ privacy policy Top | Authors