Caffeine synthase and related methyltransferases in plants.

  title={Caffeine synthase and related methyltransferases in plants.},
  author={Kato Misako and Mizuno Kouichi},
  journal={Frontiers in bioscience : a journal and virtual library},
Caffeine (1,3,7-trimethylxanthine) is a purine alkaloid present in high concentrations in tea and coffee and it is also found in a number of beverages such as coca cola. It is necessary to elucidate the caffeine biosynthetic pathway and to clone the genes related to the production of caffeine not only to determine the metabolism of the purine alkaloid but also to control the content of caffeine in tea and coffee. The available data support the operation of a xanthosine-->7-methylxanthosine-->7… CONTINUE READING
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