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1.
Sci Rep ; 7(1): 11286, 2017 09 07.
Article in English | MEDLINE | ID: mdl-28883629

ABSTRACT

In a comment on our Article "Sublethal Dosage of Imidacloprid Reduces the Microglomerular Density of Honey Bee Mushroom Bodies", Rössler et al. assert that our reported counts are overall lower than previously reported due to the use of automated quantification. We address these issues in this reply.


Subject(s)
Mushroom Bodies , Animals , Bees , Microscopy, Confocal
2.
Sci Rep ; 6: 19298, 2016 Jan 13.
Article in English | MEDLINE | ID: mdl-26757950

ABSTRACT

The dramatic loss of honey bees is a major concern worldwide. Previous studies have indicated that neonicotinoid insecticides cause behavioural abnormalities and have proven that exposure to sublethal doses of imidacloprid during the larval stage decreases the olfactory learning ability of adults. The present study shows the effect of sublethal doses of imidacloprid on the neural development of the honey bee brain by immunolabelling synaptic units in the calyces of mushroom bodies. We found that the density of the synaptic units in the region of the calyces, which are responsible for olfactory and visual functions, decreased after being exposed to a sublethal dose of imidacloprid. This not only links a decrease in olfactory learning ability to abnormal neural connectivity but also provides evidence that imidacloprid damages the development of the nervous system in regions responsible for both olfaction and vision during the larval stage of the honey bee.


Subject(s)
Bees/drug effects , Imidazoles/toxicity , Insecticides/toxicity , Mushroom Bodies/drug effects , Nitro Compounds/toxicity , Animals , Brain/drug effects , Brain/pathology , Imidazoles/administration & dosage , Insecticides/administration & dosage , Mushroom Bodies/pathology , Neonicotinoids , Nitro Compounds/administration & dosage , Synapses/drug effects
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