Composition en glucides conjugués de l'hémolymphe de Blaberus craniifer: Variations au moment de l'ecdysis imaginale |
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| Authors: | M Philippe B Fournet J Schrevel |
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| Institution: | 1. Laboratoire de Zoologie et Biologie Cellulaire, U.E.R. Sciences Fondamentales et Appliquées. 40. avenue du Recteur Pineau. 86022 Poitiers Cedex, France;2. Laboratoire de Chimie Biologique de l''Université des Sciences et Techniques de Lille I Villeneuve-d''Ascq, France;3. Laboratoire associé au CNRS no. 217: “Biologie Physicochimique et Moléculaire des Glucides libres et conjugués”. B.P. no. 36, 59650 Villeneuve-d''Ascq, France |
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| Abstract: | Analysis of macromolecular carbohydrates performed by gas liquid chromatography on Gregarina blaberae haemolymph showed the presence of hexoses (galactose, mannose, glucose), methyl-pentose (fucose), and hexosamines (N-acetylgalactosamine, N-acetylglucosamine). No trace of pentose or sialic acid or uronic acid was found. Mannose was the main neutral sugar. A change in the molar ratio of mannose consisting of an enrichment of female haemolymph occurred during larval-adult ecdysis. There was a parallel increase in glycoprotein staining with periodate-fuchsin after cellulose acetate electrophoresis of female haemolymph. |
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