Bee genome unravelled

Scientists have unravelled the genetic code of the honey bee, uncovering clues about its complex social behaviour, heightened sense of smell and African origins.

The results, published in the journal Nature, makes the bee the third insect to have its genome mapped and joins the fruit fly and mosquito in the exclusive club. ¹

The scientists who analysed the genetic code have discovered the honey bee originated in Africa and spread to Europe in two ancient migrations.

"The African bees' spread throughout the New World is a spectacular example of biological invasion," the scientists write.

The number of genes in honey bees related to smell outnumber those linked to taste. The insects also have fewer genes than the fruit fly or mosquito for immunity.

Honey bees use pheromones, substances secreted by glands, to distinguish the gender, caste and age of other bees, according to the scientists.

Ref 1 : ABC Science News - 26 oct 2006