The resting membrane potential of Drosophila melanogaster larval muscle depends strongly on external calcium concentration.

@article{Krans2010TheRM,
  title={The resting membrane potential of Drosophila melanogaster larval muscle depends strongly on external calcium concentration.},
  author={Jacob L. Krans and Karen D. Parfitt and Kristin D Gawera and Patricia K. Rivlin and Ronald R. Hoy},
  journal={Journal of insect physiology},
  year={2010},
  volume={56 3},
  pages={304-13}
}
The resting membrane potential (RMP) of most cells is not greatly influenced by the transmembrane calcium gradient because at rest, the membrane has very low permeability to calcium. We have observed, however, that the resting membrane potential of muscle cells in the larval bodywall of Drosophila melanogaster varies widely as the external calcium concentration is modified. The RMP depolarized as much as 21.8 mV/mM calcium at low concentrations, and on average, about 10 mV/mM across a range… CONTINUE READING
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A biochemical analysis of the Drosophila rhabdomere and its extracellular environment

  • D. Larivee
  • Ph.D. Thesis, Purdue University,
  • 1979
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