This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
Koshiishi, C.; Kato, A.; Yama, S.; Crozier, A.; Ashihara, H.: A new caffeine biosynthetic pathway in tea leaves: utilisation of adenosine released from the S-adenosyl-l-methionine cycle. FEBS Lett., 499, 50–54 (2001)
McCarthy, A.A.; Biget, L.; Lin, C.; Petiard, V.; Tanksley, S.D.; McCarthy, J.G.: Cloning, expression, crystallization and preliminary X-ray analysis of the XMT and DXMT N-methyltransferases from Coffea canephora (robusta). Acta Crystallogr. Sect. F, F63, 304–307 (2007)
Moisyadi, S.; Neupane, K.R.; Stiles, J.I.: Cloning and characterization of a cDNA encoding xanthosine-N7-methyltransferase from coffee (Coffea arabica). Acta Hort., 461, 367–377 (1998)
Negishi, O.; Ozawa, T.; Imagawa, H.: The role of xanthosine in the biosynthesis of caffeine in coffee plants. Agric. Biol. Chem., 49, 2221–2222 (1985)
Mizuno, K.; Kato, M.; Irino, F.; Yoneyama, N.; Fujimura, T.; Ashihara, H.: The first committed step reaction of caffeine biosynthesis: 7-methylxanthosine synthase is closely homologous to caffeine synthases in coffee (Coffea arabica L.). FEBS Lett., 547, 56–60 (2003)
Ogawa, M.; Herai, Y.; Koizumi, N.; Kusano, T.; Sano, H.: 7-Methylxanthine methyltransferase of coffee plants. Gene isolation and enzymatic properties. J. Biol. Chem., 276, 8213–8218 (2001)
Waldhauser, S.S.M.; Gillies, F.M.; Crozier, A.; Baumann, T.W.: Separation of the N-7 methyltransferase, the key enzyme in caffeine biosynthesis. Phytochemistry, 45, 1407–1414 (1997)
Ogita, S.; Uefuji, H.; Morimoto, M.; Sano, H.: Application of RNAi to confirm theobromine as the major intermediate for caffeine biosynthesis in coffee plants with potential for construction of decaffeinated varieties. Plant Mol. Biol., 54, 931–941 (2004)
Uefuji, H.; Tatsumi, Y.; Morimoto, M.; Kaothien-Nakayama, P.; Ogita, S.; Sano, H.: Caffeine production in tobacco plants by simultaneous expression of three coffee N-methyltranferases and its potential as a pest repellant. Plant Mol. Biol., 59, 221–227 (2005)
Uefuji, H.; Ogita, S.; Yamaguchi, Y.; Koizumi, N.; Sano, H.: Molecular cloning and functional characterization of three distinct N-methyltransferases involved in the caffeine biosynthetic pathway in coffee plants. Plant Physiol., 132, 372–380 (2003)
McCarthy, A.A.; McCarthy, J.G.: The structure of two N-methyltransferases from the caffeine biosynthetic pathway. Plant Physiol., 144, 879–889 (2007)
Koshiro, Y.; Zheng, X.-Q.; Wang, M.-L.; Nagai, C.; Ashihara, H.: Changes in content and biosynthetic activity of caffeine and rigonelline during growth and ripening of Coffea arabica and Coffea canephora fruits. Plant Sci., 171, 242–250 (2006)
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2009 Springer-Verlag Berlin Heidelberg
About this chapter
Cite this chapter
(2009). 7-Methylxanthosine synthase. In: Schomburg, D., Schomburg, I., Chang, A. (eds) Class 2 Transferases. Springer Handbook of Enzymes, vol S2. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85697-9_6
Download citation
DOI: https://doi.org/10.1007/978-3-540-85697-9_6
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-85696-2
Online ISBN: 978-3-540-85697-9
eBook Packages: Biomedical and Life SciencesBiomedical and Life Sciences (R0)