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The coffee genome provides insight into the convergent evolution of caffeine biosynthesis.

TitoloThe coffee genome provides insight into the convergent evolution of caffeine biosynthesis.
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2014
AutoriDenoeud, France, Carretero-Paulet Lorenzo, Dereeper Alexis, Droc Gaëtan, Guyot Romain, Pietrella Marco, Zheng Chunfang, Alberti Adriana, Anthony François, Aprea Giuseppe, Aury Jean-Marc, Bento Pascal, Bernard Maria, Bocs Stéphanie, Campa Claudine, Cenci Alberto, Combes Marie-Christine, Crouzillat Dominique, Da Silva Corinne, Daddiego Loretta, De Bellis Fabien, Dussert Stéphane, Garsmeur Olivier, Gayraud Thomas, Guignon Valentin, Jahn Katharina, Jamilloux Véronique, Joët Thierry, Labadie Karine, Lan Tianying, Leclercq Julie, Lepelley Maud, Leroy Thierry, Li Lei-Ting, Librado Pablo, Lopez Loredana, Muñoz Adriana, Noel Benjamin, Pallavicini Alberto, Perrotta Gaetano, Poncet Valérie, Pot David, Pot David, Rigoreau Michel, Rouard Mathieu, Rozas Julio, Tranchant-Dubreuil Christine, VanBuren Robert, Zhang Qiong, Andrade Alan C., Argout Xavier, Bertrand Beno\^\it, de Kochko Alexandre, Graziosi Giorgio, Henry Robert J., Henry Robert J., Ming Ray, Nagai Chifumi, Rounsley Steve, Sankoff David, Giuliano Giovanni, Albert Victor A., Wincker Patrick, and Lashermes Philippe
RivistaScience (New York, N.Y.)
Data di pubblicazione2014 Sep 5
Parole chiaveCaffeine, Coffea, Evolution, Genome, Methyltransferases, Molecular, Phylogeny, Plant, Plant Proteins

Coffee is a valuable beverage crop due to its characteristic flavor, aroma, and the stimulating effects of caffeine. We generated a high-quality draft genome of the species Coffea canephora, which displays a conserved chromosomal gene order among asterid angiosperms. Although it shows no sign of the whole-genome triplication identified in Solanaceae species such as tomato, the genome includes several species-specific gene family expansions, among them N-methyltransferases (NMTs) involved in caffeine production, defense-related genes, and alkaloid and flavonoid enzymes involved in secondary compound synthesis. Comparative analyses of caffeine NMTs demonstrate that these genes expanded through sequential tandem duplications independently of genes from cacao and tea, suggesting that caffeine in eudicots is of polyphyletic origin.


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