Physiological response of the sea urchin Paracentrotus lividus fed with the seagrass Posidonia oceanica and the alien algae Caulerpa racemosa and Lophocladia lallemandii |
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| Institution: | 1. NeoEnBiz Co., Institute of Environmental Safety and Protection, DeawooTechnoPark A-1306, Bucheon, Kyeonggido 420-806, Republic of Korea;2. Department of Energy and Environmental System Engineering, University of Seoul, Seoul, Republic of Korea;3. Korea Institute of Ocean Science and Technology, 1270 Sa2dong, Ansan, Republic of Korea;4. Maritime and Ocean Engineering Institute, Daegeon, Republic of Korea;5. Shimoda Marine Research Center, University of Tsukuba, Shizuoka 415-0025, Japan;6. Hopkins Marine Station, Stanford University, Pacific Grove, CA 93950, USA;1. Institute of Biomaterials and Biomolecular Systems, Dept. Zoology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany;2. UMR CNRS 6282 Biogéosciences, Université de Bourgogne, 6 Boulevard Gabriel, 21000 Dijon, France;3. Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes, Paris, France Plate-forme Protéomique 3P5, Université Paris Descartes, Sorbonne Paris Cité, Paris, France 22, Rue Méchain, 75014 Paris, France;4. ICMUB, UMR CNRS 5260, Faculté des Sciences Mirande, Université de Bourgogne, 21000 Dijon, France;5. UPSP PROXISS, Département Agronomie Environnement AgroSupDijon, 26 Boulevard Petitjean, BP 87999, F-21079 Dijon Cedex, France |
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| Abstract: | The aim was to determine the effects of alien algae feeding on biomarkers of oxidative stress in the sea urchin Paracentrotus lividus. Sea urchins were fed during three months with the native seagrass Posidonia oceanica, and the alien macroalgae Caulerpa racemosa and Lophocladia lallemandii and biochemical analysis were performed in the gonads. A control group was immediately processed after sampling from the sea. Antioxidant enzyme and glutathione S-transferase activities and GSH concentration were significantly higher in sea urchins fed with alien algae when compared with the control group and the one fed with P. oceanica group. This response was more intense in the group fed with L. lallemandii respect to the C. racemosa group. The concentration of MDA, protein carbonyl derivates and 8-OHdG reported no significant differences between treatments. In conclusion, the invasive algae C. racemosa and L. lallemandii induced an antioxidant response in P. lividus without evident oxidative damage. |
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