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cAMP AND cAMP‐STIMULATED PROTEIN PHOSPHORYLATION IN ZOOSPORES OF BROWN ALGAE 1
Author(s) -
Ohmori Masayuki,
Muto Shoshi,
Miyachi Shigetoh
Publication year - 1991
Publication title -
journal of phycology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.85
H-Index - 127
eISSN - 1529-8817
pISSN - 0022-3646
DOI - 10.1111/j.0022-3646.1991.00540.x
Subject(s) - guanosine , biology , brown algae , cyclic guanosine monophosphate , nucleotide , phosphorylation , algae , zoospore , adenosine , biochemistry , cyclic adenosine monophosphate , cyclic nucleotide , botany , gene , endocrinology , receptor , spore , nitric oxide
Adenosine 3′,5′‐cyclic monophosphate (cAMP) and guanosine 3′,5′‐cyclic monophosphate (cGMP) were detected at concentrations of 8–11 and 10–20 pmol · mg −1 protein, respectively, in zoospores of a brown alga, Undaria pinnatifida (Harvey) Suringer. Cellular levels of these cyclic nucleotides did not substantially change during dark to light transition. cAMP‐stimulated protein phosphorylation was found in soluble cell‐free extracts of zoospores of Undaria pinnatifida and Laminaria angustata Kjellman.