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Regulation of cAMP‐mediated Photosignaling by a Phytochrome in the Cyanobacterium Anabaena cylindrica ¶
Author(s) -
Ohmori Masayuki,
Terauchi Kazuki,
Okamoto Shinobu,
Watanabe Masakatu
Publication year - 2002
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1562/0031-8655(2002)0750675rocmpb2.0.co2
Subject(s) - phytochrome , monochromatic color , red light , cyclic adenosine monophosphate , far red , biophysics , anabaena , biology , biochemistry , chemistry , cyanobacteria , microbiology and biotechnology , botany , bacteria , genetics , receptor
Changes in cellular adenosine 3′,5′‐cyclic monophosphate (cAMP) content induced by monochromatic light of various wavelengths were determined in the cyanobacterium Anabaena cylindrica . Irradiation with monochromatic red light caused a rapid decrease in cAMP content. In contrast, far‐red light caused a rapid increase in its content. The effects of red and far‐red light were reversible, suggesting the involvement of a prototype phytochrome as the photoreceptor for cAMP‐mediated light‐responsive signal transduction.