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Effets des facteurs physico-chimiques sur l'absorption de la glycine, du glucose et de la glucosamine par l'intestin de l'anguille (Anguilla anguilla)
Saïdane, D.; Frikha-Kétata, N.; Tritar, B. (1997). Effets des facteurs physico-chimiques sur l'absorption de la glycine, du glucose et de la glucosamine par l'intestin de l'anguille (Anguilla anguilla). Bull. Inst. Natl. Sci. Technol. Mer 24(1): 28-45
In: Bulletin de l'Institut National des Sciences et Technologies de la Mer. INSTM: Tunis. ISSN 0330-0080, meer
Peer reviewed article  
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  • Saïdane, D.
  • Frikha-Kétata, N.
  • Tritar, B.
Abstract
    The transport of three substances: glucose, glycine and glucosamine is studied in the teleost fish Anguilla anguilla. The results obtained with the perfused method in-vivo showed that the increase of temperature (15 and 30°C) stimulated the transport of these three substrats with a Q10 over 1.7. These results suggest the existence of active components in the transfer of these three substrats. On the other hand the results showed that the transports of glucose and glucosamine are sodium-dependent and inhibited by ouabaïn 10-4M, 45% and 30% respectively. The transport of glucose and glycine required the same quantity of activation energy (10.6 Kcal/mol) but the glucosamine demanded a more significant quantity (11.6 Kcal/mol).
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