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Unc13 proteins are required for vesicle docking and priming during exocytosis. In this issue of Neuron, Lai et al. (2017) demonstrate that Unc13 ensures that the SNAREs assemble into functional subcomplexes. In a second manuscript, Michelassi et al. (2017) identify a previously unknown autoinhibited state for Unc13 mediated by the tandem C1 and C2 domains.
Mating induces pronounced changes in female reproductive behavior, typically including a dramatic reduction in sexual receptivity. In Drosophila, postmating behavioral changes are triggered by sex peptide (SP), a male seminal fluid peptide that acts via a receptor (SPR) expressed in sensory neurons (SPSNs) of the female reproductive tract. Here, we identify second-order neurons that mediate the behavioral...
The molecular and cellular targets that mediate alcohol intoxication are poorly understood. In this issue, Corl et al. (2009) now implicate a new Ste20 family kinase (Happyhour) and the EGFR/ERK signaling pathway it antagonizes in alcohol intoxication in flies.
Nuclear receptors (NRs) are a large class of ligand-regulated transcriptional modulators that have been shown to play roles in many developmental processes. The Caenorhabditis elegans genome is predicted to encode a large and divergent family of NR proteins. The functions of most of these genes are unknown. As a first step toward defining their roles, we have initiated an expression and functional...
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