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Effect of sediment nearness on the metabolic enzyme activity and energy state of the oyster Crassostrea gigas
Provedor de dados: 5
Autores: Le Moullac, Gilles; Fleury, Pierre-gildas; Le Coz, Jean-rene; Moal, Jeanne; Samain, Jean-francois.
This study was designed to assess in situ the effects of sediment nearness on Crassostrea gigas metabolism. One year-old oysters were reared for 5 months (April-August) in plastic bags on metallic frames at 10 and 60 cm off the sediment at the beginning of April. The management of the energetic resources (storage, consumption) was estimated with respect to biochemical changes of proteins, lipids and carbohydrates. In order to evaluate the  effect of the sediment nearness at cellular level, the metabolic rate was evaluated by assessing pyruvate kinase (PK) and phosphoenolpyruvate carboxykinase (PEPCK) enzyme activities and electron transport system (ETS) activity. The metabolic pathways were assessed by measuring ATP and intermediary metabolites such as...
Tipo: Text
Palavras-chave: Aspartate; Succinate; Alanine; ETS; PEPCK; PK; Carbohydrate; Lipids; Proteins; Sediment; Oyster; Aspartate; Succinate; Alanine; ETS; PEPCK; PK; Glucides; Lipides; Proteines; Sédiment; Huître.
Ano: 2007
URL: http://archimer.ifremer.fr/doc/2007/publication-2803.pdf