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The dynamics of cytosolic calcium in photoreceptor cells
Author(s) -
Williams David S.
Publication year - 1995
Publication title -
bioessays
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.175
H-Index - 184
eISSN - 1521-1878
pISSN - 0265-9247
DOI - 10.1002/bies.950170403
Subject(s) - cytosol , biophysics , microbiology and biotechnology , calcium , fluorescence , biology , gecko , dynamics (music) , chemistry , optics , biochemistry , physics , acoustics , organic chemistry , enzyme , ecology
Abstract Analysis of the light‐induced changes of cytosolic Ca 2+ ([Ca 2+ ] i ) in photoreceptor cells has been taken a step further with two recently published studies (1,2) . In one, changes in [Ca 2+ ] i were measured in single detached rod outer segments from Gecko in response to various light intensities. The advances of the other (2) are embodied in its employment of transgenic Drosophila, whose photoreceptors express a visual pigment that is insensitive to the wavelength of light used in the fluorescence imaging of [Ca 2+ ] i . These studies provide a better basis for understanding the regulation of Ca 2+ ‐mediated events in photoreceptor cells.