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International Journal of Drug Development and Research

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Proteomics reveals the molecular underpinnings of stronger learning and memory in eastern compared to western bees

8th Edition of International Conference on Mass Spectrometry
March 12-13, 2018 London, UK

Jianke Li, Lifeng Meng, Xinmei Huo, Mao Feng, Yu Fang, Bin Han, Han Hu and Fan Wu

Chinese Academy of Agricultural Sciences, China

Posters & Accepted Abstracts: Int J Drug Dev & Res

Abstract:

The eastern (Apis cerana cerana, (Acc) and western (Apis mellifera ligustica, (Aml) honeybees are two major honeybee species. Surprisingly, little is known about the fundamental molecular neurobiology of brain sub-organs of Acc and Aml. We characterized and compared the proteomes of mushroom bodies (MBs), antennal lobes (ALs) and optical lobes (OLs) in the brain of both species, and biologically validated the functions related to learning and memory. Acc and Aml have evolved similar proteome signatures in MBs and OLs to drive the domain-specific neural activities. In MBs of both species, commonly enriched and enhanced functional groups related to protein metabolism and Ca2+ transport relative to ALs and OLs, suggests that proteins and Ca2+ are vital for consolidating learning and memory via modulation of synaptic structure and signal transduction. Furthermore, in OLs of both species, the mainly enriched ribonucleoside metabolism suggests its vital role as second messenger in promoting phototransduction. Notably, in ALs of both species, distinct proteome settings have shaped to prime olfactory learning and memory. In ALs of Acc, this is supported by the enriched cytoskeleton organization to sustain olfactory signaling through modulation of plasticity in glomeruli and intracellular transport. In ALs of Aml, however, the enriched functional groups implicated in hydrogen ion transport are indicative of their importance in supporting olfactory processes by regulation of synaptic transmission. The biological confirmation of enhanced activities of protein metabolism and signal transduction in ALs and MBs of Acc relative to in Aml demonstrates that a stronger sense of olfactory learning and memory has evolved in Acc. The reported first in-depth proteome data of honeybee brain sub-organs provide a novel insight into the molecular basis of neurobiology, and is potentially useful for further neurological studies in honeybees and other insects. apislijk@126.com