ArticleInvertebrate neuroscience : IN1996
Longitudinal body wall muscles are electrically coupled across the segmental boundary in the third instar larva of Drosophila melanogaster.
Article in Invertebrate neuroscience : IN, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Effects of oxidative stress and aging on nerve, muscle, and synapse in a male-specific abdominal neuromuscular junction inbioRxiv : the preprint server for biology · 2026Article
- Article
- Presynaptic pH and vesicle fusion in Drosophila larvae neurones.Synapse (New York, N.Y.) · 2013Article
- Electrophysiological recording in the Drosophila embryo.Journal of visualized experiments : JoVE · 2009Article
- Harvesting and preparing Drosophila embryos for electrophysiological recording and other procedures.Journal of visualized experiments : JoVE · 2009Article
- Isoflurane depresses glutamate release by reducing neuronal excitability at the Drosophila neuromuscular junction.The Journal of physiology · 2004Article
- Glutamate receptor expression regulates quantal size and quantal content at the Drosophila neuromuscular junction.The Journal of neuroscience : the official journal of the Society for Neuroscience · 1999Article
- Selective effects of neuronal-synaptobrevin mutations on transmitter release evoked by sustained versus transient Ca2+ increases and by cAMP.The Journal of neuroscience : the official journal of the Society for Neuroscience · 1999Article
- Distinct requirements for evoked and spontaneous release of neurotransmitter are revealed by mutations in the Drosophila gene neuronal-synaptobrevin.The Journal of neuroscience : the official journal of the Society for Neuroscience · 1998Review
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Authors and funding
2 authors.
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Abstract
Longitudinal body wall muscles in the third instar larva of the fruitfly, Drosophila melanogaster, were systematically examined for electrical and dye coupling. These muscle cells were found to be electrically coupled but rarely dye-coupled across the segmental boundary. The inter-segmental coupling coefficients between muscle #6s and muscle #7s across the segmental boundary were 0.33 +/- 0.09 (mean +/- S.D., n = 12) and 0.43 +/- 0.09 (n = 5), respectively, which are much larger than values previously reported in Drosophila but similar to those reported in the blowfly and hawkmoth. By contrast, the intra-segmental coupling coefficient between muscles #6 and #7 was smaller, 0.16 +/- 0.08 (n = 28). Other muscle cells which had apparent physical contacts with these longitudinal muscles were examined but were not electrically coupled to them. Nerve-evoked as well as miniature excitatory junctional potentials were found also electrotonically spread across the segmental boundary. The inter-segmental coupling between muscle #6s was not blocked by the gap junction inhibitors halothane or 1-octanol. Functional significance of this electrical coupling is apparently in coordination of larval body movements.
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