Synaptic development is controlled in the periactive zones of drosophila synapses

M. Sone, E. Suzuki, M. Hoshino, D. Hou, H. Kuromi, M. Fukata, S. Kuroda, K. Kaibuchi, Y. I. Nabeshima, C. Hama

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104 Citations (Scopus)


A cell-adhesion molecule fasciclin 2 (FAS2), which is required for synaptic growth and still life (SIF), an activator of RAC, were found to localize in the surrounding region of the active zone, defining the periactive zone in Drosophila neuromuscular synapses. βPS integrin and discs large (DLG), both involved in synaptic development, also decorated the zone. However, shibire (SHI), the Drosophila dynamin that regulates endocytosis, was found in the distinct region. Mutant analyses showed that sif genetically interacted with Fas2 in synaptic growth and that the proper localization of SIF required FAS2, suggesting that they are components in related signaling pathways that locally function in the periactive zones. We propose that neurotransmission and synaptic growth are primarily regulated in segregated subcellular spaces, active zones and periactive zones, respectively.

Original languageEnglish
Pages (from-to)4157-4168
Number of pages12
Issue number19
Publication statusPublished - 2000
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Developmental Biology


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