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. 1978 Dec 1;175(3):931-6.
doi: 10.1042/bj1750931.

Isolation, characterization and distribution of adenosine 3':5'-cyclic monophosphate from Pinus radiata

T Wilson, E Moustafa, A G Renwick

Isolation, characterization and distribution of adenosine 3':5'-cyclic monophosphate from Pinus radiata

T Wilson et al. Biochem J. .

Abstract

Cyclic AMP was extracted in 0.1 M-HCl from tissues of Pinus radiata and purified by gel filtration on Sephadex G-10, and chromatography on Dowex AG1 (X2) and polyethyleneimine-cellulose in two separate solvent systems. Presumptive cyclic AMP from 10kg batches of pine needles was characterized by countercurrent distribution in the presence of cyclic [8-3H]AMP. Statistical analysis of the curves for radioactivity and mass (determined by the Gilman competitive-binding assay) showed that the fit of the curves was highly significant for seven degrees of freedom. The distribution of cyclic AMP within P. radiata and various other plant tissues was determined by the Gilman procedure. The results suggest that there is no relationship between variations in cyclic AMP concentrations and the known function of the tissue in which it was measured.

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