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Mushroom bodies (MB) are insect brain centers involved in learning and other complex behaviors and they are particularly large in ants. We describe the larval and pupal development of the MB in the carpenter ant, Camponotus japonicus. Based on morphological cues, we characterized the stages of preimaginal development of worker ants. We then describe(More)
The generation of dorso-ventral polarity in Drosophila relies on the formation of a nuclear gradient of the rel/nuclear factor kappa B transcription factor dorsal in the pre-cellular syncitial embryo by a process of differential nuclear localization. It is thought that the gradient is formed by activation at ventral positions of the membrane receptor Toll(More)
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