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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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cis-Canthaxanthins: unusual carotenoids in the eggs and the reproductive system of female brine shrimp Artemia Nelis, H.J.C.F.; Lavens, P.; Moens, L.; Sorgeloos, P.; Jonckheere, J.A.; Criel, G.R.J.; De Leenheer, A.P. (1984). cis-Canthaxanthins: unusual carotenoids in the eggs and the reproductive system of female brine shrimp Artemia. J. Biol. Chem. 259(10): 6063-6066 In: Journal of Biological Chemistry. American Society for Biochemistry and Molecular Biology: Baltimore, etc.. ISSN 0021-9258; e-ISSN 1083-351X, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 129040 [ download pdf ]

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Trefwoorden

Anatomical structures > Body organs > Animal organs > Animal reproductive organs Cells > Sexual cells > Eggs > Brine shrimp eggs Organic compounds > Carbohydrates > Glycosides > Pigments > Chromatic pigments > Carotenoids Artemia Leach, 1819 [WoRMS] Marien/Kust

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Auteurs		Top
Nelis, H.J.C.F. Lavens, P., meer Moens, L., meer Sorgeloos, P., meer	Jonckheere, J.A. Criel, G.R.J., meer De Leenheer, A.P.

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Abstract

The significance of carotenoid accumulation in crustacean eggs remains obscure, particularly because neither eggs nor female animals have been found to display specific pigment patterns in relation to reproduction. We report here the first example of carotenoids found exclusively in the ovaries, the eggs, and the hemolymph, but not in the carcass of a female, reproductively active crustacean, i.e. the brine shrimp Artemia . These pigments are virtually absent in males and in immature animals and disappear very rapidly in growing nauplii following hatching of encysted embryos. Within the cysts, they are preferably localized in the yolk platelets. We have identified them as mono-cis-canthaxanthins on the basis of their mass and absorption spectra and by comparison with synthetic components. Carotenoids with the unusual cis-configuration have never been isolated from animals, nor are there reports on the occurrence of carotenoid pigments at specific sites. Our findings may thus provide a clue to a precise function for carotenoids in Artemia and, possibly, related Crustacea.

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