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Journal Article

"Vision" in Single-Celled Algae.

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Nagel,  Georg
Department of Biophysical Chemistry, Max Planck Institute of Biophysics, Max Planck Society;

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Bamberg,  Ernst
Department of Biophysical Chemistry, Max Planck Institute of Biophysics, Max Planck Society;

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Citation

Kateriya, S., Nagel, G., Bamberg, E., & Hegemann, P. (2004). "Vision" in Single-Celled Algae. News in Physiological Sciences, 19, 133-137. doi:10.1152/nips.01517.2004.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-DA72-B
Abstract
Photosynthetic unicellular algae have a unique visual system. In Chlamydomonas reinhardtii, the pigmented eye comprises the optical system and at least five different rhodopsin photoreceptors. Two of them, the channelrhodopsins, are rhodopsin-ion channel hybrids switched between closed and open states by photoisomerization of the attached retinal chromophore. They promise to become a useful tool for noninvasive control of membrane potential and intracellular ion concentrations.