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Fipronil and imidacloprid reduce honeybee mitochondrial activity
Date:8/6/2014

of adenosine triphosphate (ATP), used as a source of chemical energy.

Honeybee flight muscles are strongly dependent on high levels of oxygen consumption and energy metabolism. Mitochondrial oxidative phosphorylation drives ATP synthesis, which is required to contract the muscles during flight. "If something goes wrong, the energy production is impaired," explains Nicodemo. "Similar to a plane, honeybees require clean fuel in order to fly." Both fipronil and imidacloprid negatively affected the mitochondrial bioenergetics of the head and thorax of the honeybees. While at sublethal levels, insecticide damage may not be evident, even such low level exposure clearly contributes to the inability of a honeybee to forage and return to the hive, which could result in declining bee populations.


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Contact: Jennifer Lynch
jen.lynch@setac.org
850-469-1500 x109
Society of Environmental Toxicology and Chemistry
Source:Eurekalert

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