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| Wolf, G.; Vanpachtebeke, M.; Hens, F.; Decleir, W.; Moens, L.; Van Hauwaert, M.-L.. |
| The physiological properties of total haemoglobin samples from <i>Artemia</i> populations of different geographical origin (Tientsin, Great Salt Lake, Chaplin Lake, Macau, Galera Zamba) have been studied <i>in vitro</i>. Measurements carried out with the diffusion chamber technique at different pH-values and temperatures, revealed significant differences in oxygen affinity (p50 values between 1.25 and 16.33 mm Hg), cooperativity (Hill coefficients between 1.07 and 2.18) and free oxygen-binding energy (between -34.7 and 56.2 Kj/mol). All the strains showed a decrease of oxygen affinity with increasing temperature, and a positive Bohr effect. Tientsin containing a considerable amount of Hbl (36.6%), shows the lowest oxygen... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Artemia. |
| Ano: 1987 |
URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3231 |
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| Van den Branden, C.; D'Hondt, J.; Moens, L.; Decleir, W.. |
| 1. In hypoxic conditions <i><i>Artemia</i> salina</i> L. forms 3 hemoglobins, which until now had only been characterized by their electrophoretic mobility. 2. We have analysed the oxygen-binding properties of these 3 hemoglobins. 3. HbI shows the lowest oxygen affinity, has an almost negligible Bohr effect and it has no physiological adaptation to temperature changes. 4. HbII shows an intermediate oxygen affinity and a pronounced positive Bohr effect. 5. HbIII has a very high affinity for oxygen, an almost negligible Bohr effect and a good physiological adaptation to temperature changes. 6. By combining the 3 hemoglobins in different proportions <i><i>Artemia</i> salina</i> L. must be able to withstand... |
| Tipo: Info:eu-repo/semantics/article |
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| Ano: 1978 |
URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3580 |
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| Nelis, H.J.C.F.; Lavens, P.; Moens, L.; Sorgeloos, P.; Jonckheere, J.A.; Criel, G.R.J.; De Leenheer, A.P.. |
| 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 <i>Artemia</i> . 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-<i>cis</i>-canthaxanthins on the basis of their... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Animal reproductive organs; Brine shrimp eggs; Carotenoids; Artemia. |
| Ano: 1984 |
URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3269 |
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