| Abstract |
Anillin (Ani) is an evolutionarily conserved protein with a multi-domain structure that cross-links cytoskeletal proteins and plays an essential role in the formation of the contractile ring during cytokinesis. However, Ani is highly expressed in the human central nervous system (CNS), and it scaffolds myelin in the CNS of mice and modulates neuronal migration and growth in Caenorhabditis elegans. Although Ani is also highly expressed in the Drosophila CNS, its role remains unclear. In the present study, we showed that Ani is not only highly expressed in larval neuroblasts of the CNS, but also weakly expressed in the neuromuscular junction (NMJ) and axons. In addition, the ani knockdown in the nervous system led to pupal lethality, larval locomotor defects, and learning disability, along with abnormal morphology of the NMJ and distribution patterns of the mature neuropil in the CNS. These results show that Ani plays an important role also in the Drosophila nervous system.
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