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La glande nidamentaire accessoire de Sepia officinalis L.: analyses biochimiques des pigments des bactéries symbiotiques
Van den Branden, C.; Richard, A.; Lemaire, J.; Decleir, W. (1979). La glande nidamentaire accessoire de Sepia officinalis L.: analyses biochimiques des pigments des bactéries symbiotiques. Ann. Soc. R. Zool. Bel. 108(3-4): 123-139
In: Annales de la Société Royale Zoologique de Belgique = Annalen van de Koninklijke Belgische Vereniging voor Dierkunde. Société Royale Zoologique de Belgique: Bruxelles. ISSN 0771-5528, more
Peer reviewed article  

Also published as
  • Van den Branden, C.; Richard, A.; Lemaire, J.; Decleir, W. (1980). La glande nidamentaire accessoire de Sepia officinalis L.: analyses biochimiques des pigments des bactéries symbiotiques, in: IZWO Coll. Rep. 10(1980). IZWO Collected Reprints, 10: pp. chapter 2, more

Available in Authors 
    VLIZ: Open Repository 126222 [ OMA ]

Keywords
    Bacteria; Glands; Pigments; Symbionts; Sepia officinalis Linnaeus, 1758 [WoRMS]; Marine

Authors  Top 
  • Van den Branden, C.
  • Richard, A.
  • Lemaire, J.
  • Decleir, W., more

Abstract
    An electron microscopic study of the accessory nidamental glands from Sepia officinalis L. shows a secretory cycle in the epithelial cells and the presence of bacteria in the tubules of the gland. A correlation between sexual maturity, the color of the gland and the total number of symbiotic bacteria can be demonstrated. A biochemical study shows that the correlation of the gland is due to several carotenoid pigments. The most important of these is an orange-red xanthophyll that has been called Sepiaxanthine. It is probably formed in the bacteria as a result of the secretory activity of the epithelial glandular cells. This whole mechanism and the role of the bacteria and pigments need further research.

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