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Using the MitoB method to assess levels of reactive oxygen species in ecological studies of oxidative stress [Scientific Reports]

Keywords : ageing, animal physiology, biological techniques, ecology, evolution

par Frédéric Magné - publié le

In recent years evolutionary ecologists have become increasingly interested in the effects of reactive oxygen species (ROS) on the life-histories of animals. ROS levels have mostly been inferred indirectly due to the limitations of estimating ROS from in vitro methods. However, measuring ROS (hydrogen peroxide, H2O2) content in vivo is now possible using the MitoB probe. Here, we extend and refine the MitoB method to make it suitable for ecological studies of oxidative stress using the brown trout Salmo trutta as model. The MitoB method allows an evaluation of H2O2 levels in living organisms over a timescale from hours to days.(...)

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