Istituto di Biofisica     
Checcucci G., Damato G., Ghetti F., Lenci F. Action spectra of the photophobic response of blu and red forms of Blepharisma japonicum. In: Photochemistry and Photobiology, vol. 57 (4) pp. 686 - 689. Wiley, 1993.
When exposed, in the presence of molecular oxygen, to light intensities of the order of3-30 W m-2, the ciliate Blepharisma japonicum changes its color from red to blue, because of the photooxidation of the photoreceptor pigment, blepharismin, to pxyblepharismin. Both red-and blue-pigmnentes cells show step-up photophobic responses. The action spectra f the light-dependent behaviour of the red and the blue form of Blepharisma have been determined; their structure is very similar to that the photosensing and phototransducing properties of blepharismin are maintained in its photooxidized form. oxyblepharismin.
DOI: 10.1111/j.1751-1097.1993.tb02938.x
Subject Blepharisma japonicum

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