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Transmission, Development, and Plasticity of Synapses
Kathryn P Harris1, J Troy Littleton2
1Department of Biology and Department of Brain and Cognitive Sciences, The Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.
Genetics
|October 9, 2015
Summary
Drosophila
Area of Science:
- Neuroscience
- Cell Biology
- Genetics
Background:
- Chemical synapses facilitate neuron-to-cell communication via neurotransmitter release and reception.
- Synaptic plasticity involves activity-dependent modifications in synaptic structure and function.
- Drosophila melanogaster offers a powerful model for studying synaptic mechanisms due to conserved components and advanced research tools.
Purpose of the Study:
- To review techniques for studying synaptic assembly, function, and plasticity in Drosophila.
- To highlight the Drosophila larval neuromuscular junction (NMJ) as a model glutamatergic synapse.
- To discuss molecular mechanisms coordinating synaptic development and activity-dependent plasticity.
Main Methods:
- Genetic analysis
- High-resolution imaging techniques
- Electrophysiological recordings
- Focus on the Drosophila larval neuromuscular junction (NMJ) model system.
Main Results:
- Vesicle fusion and neurotransmitter release are well-characterized at the fly NMJ.
- Studies reveal pathways coordinating active zone and postsynaptic density assembly across the synaptic cleft.
- The fly NMJ exhibits various modes of synaptic growth and plasticity.
Conclusions:
- Drosophila provides essential insights into synaptic assembly, function, and plasticity.
- Pre- and postsynaptic communication is crucial for regulating activity-dependent synaptic plasticity.
- The fly NMJ is a valuable model for dissecting fundamental synaptic processes.
Keywords:
DrosophilaFlyBookactive zoneneurotransmitter releasesynapsesynaptic plasticitysynaptic vesicleMore Related Videos
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