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| Martin, Jean-louis; Van Wormhoudt, A.; Ceccaldi, H.j.. |
| 1. A quantitative and electrophoretic study of copper and zinc in hemolymph of the crustacea decapoda, Carcinus maenas, has been carried out. 2. Most of the copper was linked with hemocyanin.3. All copper-binding proteins are hemocyanin.4. Zinc belongs to three different compartments: more than 68% is linked with hemocyanin; about 10% is shown in the fraction containing blood cells, lipids and carotenoids; 15% is present in the hemolymph under a soluble and dialysable form. 5. Specific zinc-binding protein has not been found out in the serum of Carcinus maenas.6. Zinc linked with hemocyanin is found on high molecular weight protein fractions only. [NOT CONTROLLED OCR] |
| Tipo: Text |
Palavras-chave: Histoire Ifremer. |
| Ano: 1977 |
URL: http://archimer.ifremer.fr/doc/1977/publication-5192.pdf |
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| Richard, P; Ceccaldi, H.j.. |
| Wet and dry weights variations related to mother shrimps length, as well as free amino acids, proteins and lipoproteins concentrations of the eggs, have been measured during embryonic development. Eggs wet weight strongly increases whereas dry weight remains nearly constant. Both are closely correlated to mother shrimp length. Total free amino acids concentration is fourfold higher at hatching than at laying, due to the increase of some amino acids such as proline, glycine, alanine and glutamic acid, whereas the so-called essential ones decrease in percentage, chiefly the tryptophane ratio. The slight fall of the total protein concentration throughout the development is the result of embryonic proteins synthesis from lipoproteins. Aminoaaid composition of... |
| Tipo: Text |
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| Ano: 1977 |
URL: http://archimer.ifremer.fr/doc/00305/41608/40817.pdf |
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