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Nickel induced changes on some aspects of protein metabolism in the tissues of Pila globosa.
J Environ Biol ; 2003 Jan; 24(1): 69-75
Article Dans Anglais | IMSEAR | ID: sea-113796
ABSTRACT
Some aspects of protein metabolism were studied in foot, hepatopancreas and mantle tissues of snail, Pila globosa on exposure to lethal concentration for 2 days (336.7 mg/L) and sublethal concentration (67.34 mg/L) of nickel for 1, 5 and 10 days. Total, structural and soluble proteins decreased significantly and to continence, this the levels of amino acids and protease activity increased in all the tissues of snail at all time points examined. Activities of AAT (Aspartate aminotransferase) and AlAT (Alanine aminotransferase) showed contrasting trends of inhibition and elevation during lethal and sublethal concentrations of nickel treatment. GDH (Glutamate dehydrogenase) activity was increased in all the tissues with increase in exposure time. Level of ammonia decreased in snails at sublethal concentration, but increment was observed in lethal concentration along with increased urea content. Under lethal and sublethal exposures, the changes in all the parameters were more pronounced in hepatopancreas followed by foot and mantle. At most instances, snails in the lethal medium were affected more compared to sublethal concentration.
Sujets)
Texte intégral: Disponible Indice: IMSEAR (Asie du Sud-Est) Sujet Principal: Escargots / Facteurs temps / Polluants de l'eau / Distribution tissulaire / Protéines / Relation dose-effet des médicaments / Animaux / Nickel langue: Anglais Texte intégral: J Environ Biol Année: 2003 Type: Article

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Texte intégral: Disponible Indice: IMSEAR (Asie du Sud-Est) Sujet Principal: Escargots / Facteurs temps / Polluants de l'eau / Distribution tissulaire / Protéines / Relation dose-effet des médicaments / Animaux / Nickel langue: Anglais Texte intégral: J Environ Biol Année: 2003 Type: Article