Impact of Metal - Reactive Oxygen Species (ROS) Interactions on Growth and Toxicity of Ichthyotoxic Algae in Australian Coastal Waters
Impact of Metal - Reactive Oxygen Species (ROS) Interactions on Growth and Toxicity of Ichthyotoxic Algae in Australian Coastal Waters
批准号:
DP0880298
负责人:
Prof David Waite
金额:
$20.65万
依托单位国家:
澳大利亚
项目类别:
Discovery Projects
财政年份:
2008
资助国家:
澳大利亚
项目状态:
已结题
起止时间:
2008-01-01 至 2011-12-31
中文摘要
河口和沿海沃茨中的有毒藻华可能具有破坏性的经济和生态影响,但对控制生物生长或毒素严重性的因素知之甚少。最近的研究表明,营养微量金属铁和铜的输送与生物体吸收这些金属的方法之间的相互作用对所产生的毒素的产生和侵袭性至关重要。本研究将对这些过程进行调查,并将建立概念和数学模型,以协助评估河口和沿海环境的管理办法。
英文摘要
Toxic algal blooms in estuarine and coastal waters can have devastating economic and ecological impacts but remarkably little is known about the factors that control either organism growth or toxin severity. Recent studies suggest that the interplay between delivery of the nutrient trace metals iron and copper and the method via which the organism acts to assimilate these metals is critical to the generation and aggressiveness of the toxins produced. These processes will be investigated in this study and conceptual and mathematical models will be developed which will assist in assessing management options for estuarine and coastal environments.
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