Isabell Schwenkert

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Neurotransmitters are released at presynaptic active zones (AZs). In the fly Drosophila, monoclonal antibody (MAB) nc82 specifically labels AZs. We employ nc82 to identify Bruchpilot protein (BRP) as a previously unknown AZ component. BRP shows homology to human AZ protein ELKS/CAST/ERC, which binds RIM1 in a complex with Bassoon and Munc13-1. The C(More)
Synapsins are evolutionarily conserved, highly abundant vesicular phosphoproteins in presynaptic terminals. They are thought to regulate the recruitment of synaptic vesicles from the reserve pool to the readily-releasable pool, in particular when vesicle release is to be maintained at high spiking rates. As regulation of transmitter release is a(More)
The hangover gene defines a cellular stress pathway that is required for rapid ethanol tolerance in Drosophila melanogaster. To understand how cellular stress changes neuronal function, we analyzed Hangover function on a cellular and neuronal level. We provide evidence that Hangover acts as a nuclear RNA binding protein and we identified the(More)
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