Physiological effects of crude oil exposure in the striped mullet, |
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Authors: | James D Yarbrough James R Heitz Janice E Chambers |
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Institution: | Zoology and Biochemistry Departments Mississippi State University, Mississippi State, MS 39762, USA |
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Abstract: | Juvenile mullet () were exposed to a surface slick of Empire Mix crude oil for a three week period in a simulated estuarine ecosystem. Liver weight to body weight ratios were increased in the mullet from the oil-treated ponds when compared to those from the control ponds. Activities of alkaline phosphatase, which were elevated in gill and muscle of oil-treated mullet, and β-glucuronidase, which was elevated in the muscle of oil-treated mullet, may be related to the degree of stress the animals were experiencing. Malic dehydrogenase, which was depressed in the livers and elevated in the muscle of oil-treated organisms, indicate changes in aerobic metabolism in response to the stress of crude oil exposure. Muscle acetylcholinesterase was not affected by oil exposure. |
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