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    Genetic Markers in Ecotoxicology

    The overall objective of the research in our laboratory is to understand how environmental pollutants interfere with and change biological processes in aquatic organisms from natural populations. We try to identify which genes are targeted and how exposure changes transcription patterns. Our research is also focused on genetic diversity and if specific allelic variants are associated with observed responses.

    The ultimate goal is to identify and understand the resulting toxic effects inside aquatic organisms after they have been exposed to various environmental contaminants and/or pharmaceutical residues. Also, we are interested in investigating if and how the effects change if multiple chemicals expose the organisms simultaneously.

    Our lab is currently focusing on the estrogen receptor genes, but also various biotransformation genes, in salmonid species (Salmo salar; Salmo trutta), roach (Rutilus rutilus) and freshwater snails. Our exposure experiments are setup in collaboration with the Aquatic Ecology group. We also participate in the network 'Pharmaceuticals in the Environment' (PIE).

    Research in our lab concerns how aquatic organisms are affected by exposure to environmental pollutants and pharmaceutical drugs. By identifying which genes are activated/deactivated by contaminants we hope to make better predictions about how toxic chemicals interact with biological processes and lead to disturbances inside organisms after exposure. We are both interested in investigating populations that have been exposed 'naturally' in the wild as well as organisms that we expose to specific chemicals under controlled conditions.

    Contact information

    Maria Hansson
    Senior Lecturer
    Centre for Environmental and Climate Research (CEC)

    Telephone: +46 46-222 46 28
    E-mail: Maria [dot] Hansson [at] cec [dot] lu [dot] se