ECB-ART-41400
Bull Environ Contam Toxicol
2010 Jan 01;841:71-5. doi: 10.1007/s00128-009-9909-z.
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Parental dietary effect on embryological development response to toxicants with the sea urchin Arbacia punctulata.
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The role of echinoid parental nutrition in early-life stage toxicity is not well understood. Arbacia punctulata were fed either a fresh diet consisting of organic lettuce and carrots or a dry feed. Embryos from parents fed the dry feed exhibited lower sensitivity to copper, whereas the opposite occurred with 1,3,5-trinitrobenzene and sodium dodecyl sulfate (SDS). EC(50) values for the dry and fresh feed treatments, respectively, were 41.0 and 29.9 microg/L for copper, 0.5 and 1.8 mg/L for 1,3,5-trinitrobenzene, and 3.5 and 5.6 mg/L for SDS. The data suggests that nutritional standardization for sea urchins in ecotoxicological laboratories needs to be addressed and further investigated.
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Genes referenced: LOC100887844 LOC594261