The Effects of Ca2+ on Membrane Potential with Altered Function of NALCN and K2P Channels
Cells exhibit a membrane potential due to the differential distribution of ions and the density of channels, pumps, and exchangers. It is known in larval Drosophila that the membrane potential gravitates towards the equilibrium potential of K+ due to the high density of K2P channels. Higher extracellular Ca2+ ([Ca2+]o)...