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Short-term low-salinity response in lead-exposed lobsters, Homarus americanus (Milne Edwards)
Gould, E.; Greig, R.A. (1983). Short-term low-salinity response in lead-exposed lobsters, Homarus americanus (Milne Edwards). J. Exp. Mar. Biol. Ecol. 69(3): 283-295. http://dx.doi.org/10.1016/0022-0981(83)90075-8
In: Journal of Experimental Marine Biology and Ecology. Elsevier: New York. ISSN 0022-0981; e-ISSN 1879-1697
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Chemical elements > Metals > Heavy metals
    Chemical elements > Metals > Heavy metals > Lead
    Environmental effects > Salinity effects
    Metabolism
    Pollution > Water pollution > Marine pollution
    Pollution effects
    Homarus americanus H. Milne Edwards, 1837 [WoRMS]
    Marien/Kust
Auteurs  Top 
  • Gould, E.
  • Greig, R.A.
Abstract
    The only effect attributable solely to lead exposure (50 mu g multiplied by l-1, 30 days) in lobsters, H. Americanus (Milne Edwards), was decreased pentose shunt activity (G6PDH) in the antennal gland, which contained the greatest concentration of lead taken up by the tissues analyzed. Similarly-exposed lobsters were subsequently held for 2 days in clean, aerated sea water at either ambient or low salinity (27 or 17 ppt., respectively), after which time the lead concentration in the antennal gland had dropped by one-third and G6PDH had returned to control values. Low-salinity effects far outnumbered lead-induced effects and were found primarily in the tail muscle, corroborating findings in an earlier study with cadmium. Lead exposure at low salinity abolished several normal hyposaline reactions seen in control animals.
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