60 percent of coffee varieties face 'extinction risk'

Three in five species of wild coffee are at risk of extinction as a deadly mix of climate change, disease and deforestation puts the future of the world's favourite beverage in jeopardy, new research warned Wednesday.

Arabica coffee genome sequenced

The first public genome sequence for Coffea arabica, the species responsible for more than 70 percent of global coffee production, was released today by researchers at the University of California, Davis.

Coffee tree genome sequenced

In the study published in Science, the researchers were interested in Robusta coffee because of its average sized genome (710 million pairs of DNA bases) and its diploid nature (contrary to Coffea arabica, which is tetraploid). ...