Titlebook: Sensory Transduction; Antonio Borsellino,Luigi Cervetto,Vincent Torre Book 1990 Plenum Press, New York 1990 Calcium.Glutamat.biophysics.ce

MOTIF

Electrical Properties of the Basolateral Membrane of Hair Cells — A Reviewf them are situated in a modified epithelium separating two very different extracellular fluids: perilymph, surrounding the basolateral part of the cells and endolymph, in contact with the apical part of the cells from which the stereociliary bundle, the mechanoreceptive element of the hair cell, pr

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Microvillar Photoreceptor Cells of Invertebratestransduction mechanism of the microvillar photoreceptor cell of invertebrates is described. Less than for vertebrates is known about the biochemistry of the enzyme cascade which leads in the invertebrate photoreceptor from the light-activated rhodopsin molecule to the formation of the excitatory int

泰然自若

The Rhodopsin-Transducin-cGMP-Phosphodiesterase Cascade of Visual Transductionabre et al., 1984, L. Stryer and H.R. Bourne, 1986). Indeed rhodopsin can be considered as a particular hormone receptor where the retinal, the equivalent of an hormone, is already bound but will become fully active only after illumination. Apart from this original aspect, rhodopsin clearly appears

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CONE

Cation Selectivity of the cGMP-Gated Channel of Mammalian Rod Photoreceptorst channel in the plasma membrane of rod outer segments being responsible for the inward current in the dark which is directly and reversibly activated by cGMP. The light-induced rapid decrease in inward current and concomitant hyperpolarisation are caused by the closure of these channels due to hydr

FLACK

The Effect of pH on the Cyclic GMP-Activated Conductance in Retinal Rodsng rapid solution changes. The current has a plateau from pH 6.7 to 8.2, increases at pH 9.0 and decreases at acidic pH. The shape of the current-voltage relation is unaltered in the range of pH from 5.4 to 9.0 and voltage between ?70 and + 70 mV, showing that the effect of cytoplasmic pH is not vol