The newly sequenced genome of the coffee plant reveals secrets about the evolution of mans best chemical friend: caffeine. <\/p>\n
The scientists who completed the project say the sequences and positions of genes in the coffee plant show that they evolved independently from genes with similar functions in tea and chocolate, which also make caffeine. <\/p>\n
In other words, coffee did not inherit caffeine-linked genes from a common ancestor, but instead developed the genes on its own. <\/p>\n
The findings will appear on Sept. 5 in the journal Science. <\/p>\n
Why coffee? <\/p>\n
With more than 2.25 billion cups consumed daily worldwide, coffee is the principal agricultural product of many tropical countries. According to estimates by the International Coffee Organization, more than 8.7 million tons of coffee were produced in 2013, revenue from exports amounted to $15.4 billion in 2009-2010, and the sector employed nearly 26 million people in 52 countries during 2010. <\/p>\n
Coffee is as important to everyday early risers as it is to the global economy. Accordingly, a genome sequence could be a significant step toward improving coffee, says Philippe Lashermes, a researcher at the French Institute of Research for Development (IRD). By looking at the coffee genome and genes specific to coffee, we were able to draw some conclusions about what makes coffee special. <\/p>\n
Lashermes, along with Patrick Wincker and France Denoeud, genome scientists at the French National Sequencing Center (CEA-Genoscope), and Victor Albert, UB professor of biological sciences, are the principal authors of the study. <\/p>\n
Scientists from other organizations, particularly the Agricultural Research Center for International Development in France, also contributed, along with researchers from public and private organizations in the U.S., France, Italy, Canada, Germany, China, Spain, Indonesia, Brazil, Australia and India. <\/p>\n
The team created a high-quality draft of the genome of Coffea canephora, which accounts for about 30 percent of the worlds coffee production, according to the Manhattan-based National Coffee Association. <\/p>\n
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