Article Publish Status: FREE
Abstract Title:

Field populations of native Indian honey bees from pesticide intensive agricultural landscape show signs of impaired olfaction.

Abstract Source:

Sci Rep. 2015 Jul 27 ;5:12504. Epub 2015 Jul 27. PMID: 26212690

Abstract Author(s):

Priyadarshini Chakrabarti, Santanu Rana, Sreejata Bandopadhyay, Dattatraya G Naik, Sagartirtha Sarkar, Parthiba Basu

Article Affiliation:

Priyadarshini Chakrabarti


Little information is available regarding the adverse effects of pesticides on natural honey bee populations. This study highlights the detrimental effects of pesticides on honey bee olfaction through behavioural studies, scanning electron microscopic imaging of antennal sensillae and confocal microscopic studies of honey bee brains for calcium ions on Apis cerana, a native Indian honey bee species. There was a significant decrease in proboscis extension response and biologically active free calcium ions and adverse changes in antennal sensillae in pesticide exposed field honey bee populations compared to morphometrically similar honey bees sampled from low/no pesticide sites. Controlled laboratory experiments corroborated these findings. This study reports for the first time the changes in antennal sensillae, expression of Calpain 1(an important calcium binding protein) and resting state free calcium in brains of honey bees exposed to pesticide stress.

Study Type : Insect Study
Additional Links
Additional Keywords : Honeybee : CK(4) : AC(0)
Problem Substances : Pesticides : CK(2214) : AC(420)

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