Abstract:
:Despite safety protocols, crude oil extraction and transportation in the Amazon basin has a potential for inadvertent oil spills, which can impact aquatic organisms in local rivers. The objective of this study was to assess the effects of crude oil on juvenile Amazonian fish tambaqui, Colossoma macropomum, at various biological levels. Furthermore, the effect of crude oil on response to alarm substance, an important communication system in fish, was reported for the first time. Fish exposed to crude oil showed a 90 % decrease in their response to alarm substance and a 60 % decrease in swimming activity relative to control fish. Basic hematology was not affected, although an increase of 200 % of DNA damage and an increase of GST activity were observed in animals exposed to crude oil. Inverse correlations were found between genotoxicity end points and behavioral parameters, suggesting that genotoxic end points can also reflect behavioral changes.
journal_name
Arch Environ Contam Toxicoljournal_title
Archives of environmental contamination and toxicologyauthors
Kochhann D,de Azevedo Brust SM,Domingos FX,Val ALdoi
10.1007/s00244-013-9894-4subject
Has Abstractpub_date
2013-08-01 00:00:00pages
266-75issue
2eissn
0090-4341issn
1432-0703journal_volume
65pub_type
杂志文章abstract::English sole (Parophrys vetulus) are susceptible to the development of hepatic disease, including neoplasia, as a result of environmental exposure to polycyclic aromatic hydrocarbons (PAHs). The metabolism of PAHs, believed to be an essential factor in the development of neoplasia, has received considerable study in E...
journal_title:Archives of environmental contamination and toxicology
pub_type: 杂志文章
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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doi:10.1007/s00244-016-0307-3
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00244-001-0020-7
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
pub_type: 杂志文章
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00244-016-0353-x
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journal_title:Archives of environmental contamination and toxicology
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journal_title:Archives of environmental contamination and toxicology
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