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Sulfatase activity in the oyster Crassostrea virginica: its potential interference with sulfotransferase determination
Janer, G.; Mesia-Vela, S.; Kauffman, F.C.; Porte, C. (2005). Sulfatase activity in the oyster Crassostrea virginica: its potential interference with sulfotransferase determination. Aquat. Toxicol. 74(1): 92-95. https://dx.doi.org/10.1016/j.aquatox.2005.05.004
In: Aquatic Toxicology. Elsevier Science: Tokyo; New York; London; Amsterdam. ISSN 0166-445X; e-ISSN 1879-1514, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Metabolism
    Mollusks
    Crassostrea virginica (Gmelin, 1791) [WoRMS]
    Marien/Kust; Brak water
Author keywords
    sulfatase; sulfotransferase; mollusk; metabolism
Auteurs  Top 
  • Janer, G.
  • Mesia-Vela, S.
  • Kauffman, F.C.
  • Porte, C.
Abstract
    Two sulfatase isoforms, a soluble one with an optimum pH of 5.0, and a microsomal one with an optimum pH of 7.6, were observed in digestive gland, gonads, mantle and gills of the oyster C. virginica. The highest sulfatase activity was recorded in the digestive gland cytosol and is likely to interfere with the in vitro determination of sulfotransferase activity. Indeed, the sulfatase inhibitor Na2SO3 led to an increase of measured sulfotransferase activity (31 ± 9%), suggesting that those sulfatases might be partially responsible for the low sulfotransferase activities found in C. virginica.
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