ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2003
Experience-dependent strengthening of Drosophila neuromuscular junctions.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 103 papers.
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103 citing papers in PubMed, 199 citations in OpenAlex.
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- Antagonistic interactions between two Neuroligins coordinate pre- and postsynaptic assembly.Current biology : CB · 2021Article
- Structural and Functional Synaptic Plasticity Induced by Convergent Synapse Loss in theThe Journal of neuroscience : the official journal of the Society for Neuroscience · 2021Article
- Glypicans and Heparan Sulfate in Synaptic Development, Neural Plasticity, and Neurological Disorders.Frontiers in neural circuits · 2021Review
- A comparison of three different methods of eliciting rapid activity-dependent synaptic plasticity at the Drosophila NMJ.PloS one · 2021Article
- Temperature regulates synaptic subcellular specificity mediated by inhibitory glutamate signaling.PLoS genetics · 2021Article
- Postsynaptic cAMP signalling regulates the antagonistic balance ofDevelopment (Cambridge, England) · 2020Article
- Synaptic Plasticity Induced by Differential Manipulation of Tonic and Phasic Motoneurons inThe Journal of neuroscience : the official journal of the Society for Neuroscience · 2020Article
- Syncrip/hnRNP Q is required for activity-induced Msp300/Nesprin-1 expression and new synapse formation.The Journal of cell biology · 2020Article
43 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The genetic analysis of larval neuromuscular junctions (NMJs) of Drosophila has provided detailed insights into molecular mechanisms that control the morphological and physiological development of these glutamatergic synapses. However, because of the chronic defects caused by mutations, a time-resolved analysis of these mechanisms and their functional relationships has been difficult so far. In this study we provide a first temporal map of some of the molecular and cellular key processes, which are triggered in wild-type animals by natural larval locomotor activity and then mediate experience-dependent strengthening of larval NMJs. Larval locomotor activity was increased either by chronically rearing a larval culture at 29 degrees C instead of 18 or 25 degrees C or by acutely transferring larvae from a culture vial onto agar plates. Within 2 hr of enhanced locomotor activity, NMJs showed a significant potentiation of signal transmission that was rapidly reversed by an induced paralysis of the temperature-sensitive mutant parats1. Enhanced locomotor activity was also associated with a significant increase in the number of large subsynaptic translation aggregates. After 4 hr, postsynaptic DGluR-IIA glutamate receptor subunits started to transiently accumulate in ring-shaped areas around synapses, and they condensed later on, after chronic locomotor stimulation at 29 degrees C, into typical postsynaptic patches. These NMJs showed a reduced perisynaptic expression of the cell adhesion molecule Fasciclin II, an increased number of junctional boutons, and significantly more active zones. Such temporal mapping of experience-dependent adaptations at developing wild-type and mutant NMJs will provide detailed insights into the dynamic control of glutamatergic signal transmission.
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12878696PMC6740647W1594236859What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.