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  • Title: Embryotoxicity and biotransformation responses in zebrafish exposed to water-soluble fraction of crude oil.
    Author: Pauka LM, Maceno M, Rossi SC, Silva de Assis HC.
    Journal: Bull Environ Contam Toxicol; 2011 Apr; 86(4):389-93. PubMed ID: 21404046.
    Abstract:
    The toxic effects of water-soluble fraction (WSF) of crude oil (API27, Petrobras Campos Basin, Brazil) were evaluated during the early life stages of zebrafish, as well as its biotransformation in juvenile fish. Embryonic development was studied during 96 h. Reduced heartbeat rate, weak pigmentation, tail defects, and embryo mortality were observed for all of the tested concentrations of the WSF. Activities of the biotransformation enzymes were induced at the highest concentrations, showing that these enzymes played a role in its elimination. As shown in this study the crude oil WSF altered the normal embryonic development of fish.
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