Читать книгу Plant Nucleotide Metabolism - Hiroshi Ashihara - Страница 32

Occurrence of major purine, pyrimidine, and pyridine nucleotides in plants are summarized. For comparison, cytokinins and nucleotide alkaloids are also noted. In most plants, the concentration of nucleotides is higher than nucleosides and bases. Cytokinins occur in much lower amounts than purine nucleotides. A much higher concentration of caffeine is found in tea and coffee plants.