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首页> 外文期刊>Environmental toxicology and chemistry >CELLULAR PHYSIOLOGICAL EFFECTS OF THE MV KYOWA VIOLET FUEL-OIL SPILL ON THE HARD CORAL, PORITES LOBATA
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CELLULAR PHYSIOLOGICAL EFFECTS OF THE MV KYOWA VIOLET FUEL-OIL SPILL ON THE HARD CORAL, PORITES LOBATA

机译：MV KYOWA紫罗兰色燃油溢出对硬珊瑚的细胞生理影响

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摘要

The grounding of the Merchant Vessel (MV) Kyowa Violet on a coral reef near Yap, Federated States of Micronesia, in December 2002 resulted in the release of an estimated 55,000 to 80,000 gallons of intermediate fuel oil grade 180. The immediate impact was the widespread coating of mangroves and the intertidal zone along more than 8 km of coastline. Of greater concern, however, was the partitioning of the fuel oil in the water column, leading to chronic exposure of organisms in the ecosystem for a considerable period after the initial event. Herein, we report on our examination of one coral species, Porites lobata, nearly three months after the initial exposure. We investigated whether changes in cellular physiology were consistent with the pathological profile that results from the interaction of corals with polycyclic aromatic hydrocarbons, the principal constituent of fuel oil. Specifically, we document, to our knowledge for the first time, changes in the cellular physiological condition of an exposed coral population affected by a fuel-oil spill. We also provide evidence that the observed changes are consistent with a recent exposure to fuel oil, as evidenced by the presence of characteristic cellular lesions attributed to polycyclic aromatic hydrocarbons. Finally, our data support a model for a mechanistic relationship between the cellular pathological profile of the coral and a recent petroleum exposure, such as the MV Kyowa Violet fuel oil spill.
机译：商船（MV）Kyowa紫罗兰在2002年12月在密克罗尼西亚联邦耶普附近的珊瑚礁上搁浅，估计释放了55,000至80,000加仑180级中级燃料油。直接影响是广泛的超过8公里的海岸线覆盖着红树林和潮间带。然而，更令人关注的是燃料油在水柱中的分配，导致初始事件发生后相当长一段时间内，生态系统中的生物长期暴露。在此，我们报告了在初次接触后近三个月对一种珊瑚物种（Porites lobata）进行的检查。我们调查了细胞生理学的变化是否与珊瑚与多环芳烃（燃料油的主要成分）相互作用产生的病理学特征一致。具体而言，据我们所知，我们首次记录了受燃油泄漏影响的裸露珊瑚种群的细胞生理状况变化。我们还提供了证据，表明所观察到的变化与最近接触燃料油相一致，这是由于归因于多环芳烃的特征性细胞病变的存在所证明的。最后，我们的数据支持了珊瑚的细胞病理特征与最近的石油暴露（例如MV Kyowa紫罗兰色燃油泄漏）之间的机械关系模型。

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