While investigating the lychee genome, scientists found a genetic deletion that changes the timing of the fruit’s growing period.
Lychee is an iconic fruit: Today, the translucent sweet flesh under the red prickly skin is a refreshing and delectable treat in the summer, particularly in Southeast Asia. But for more than a millennia, people have grown and cultivated the tropical fruit in the southern regions of China. The juicy prized fruit even won over the palate of Emperor Xuanzong of the Tang Dynasty, who set up a horse relay system to quickly transport lychee from farms to the imperial courts.
The study was led by a team of researchers at the Southern China Agricultural University in Guangdong, the largest lychee-producing province in China. They estimated that the fruits grown today shared a common ancestor around 18,000 years ago before they were domesticated by humans.
By comparing the genetic sequencing of wild and cultivated lychees, Albert and the team found a key gene that is responsible for this difference in flowering times, which then affects when the tree will bear fruit.
France Dernières Nouvelles, France Actualités
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