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2010年47 No.4
Programmed cell death of developing optic lobes in the honey bee, Apis cerana cerana
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Key Words：Apis cerana cerana, optic lobes, postembryonic development, programmed cell death
Abstract：Programmed cell death (PCD) during the postembryonic development of the optic lobes of
Apis cerana cerana was investigated by comparative anatomical research and TdT-mediated dUTP nick end labeling (TUNEL). The results show that PCD begins within the brain after the end of the final larval instar after which the number of apoptotic nuclei increases. Apoptosis of cells in the optic lobes peaked in three developmental stages; 2 instar larvae, 5 instar larvae and day 2 of pupal development. There was more apoptosis in the medulla than in the lobula and lamina. Nerve projection pulses trigger cell proliferation and apoptosis during optic lobe development.