Ancient gardeners saved the gourd | Science News

Support Science Journalism

Science News is a nonprofit.

Support us by subscribing now.


News in Brief

Ancient gardeners saved the gourd

By
4:00pm, November 16, 2015

If humans hadn't domesticated early relatives of pumpkins and gourds, these iconic fall plants might not be around today.

Humans may have saved pumpkins, squashes and gourds from an Ice Age extinction, researchers say online November 16 in the Proceedings of the National Academy of Sciences. Genetic analysis of 91 ancient and modern gourds (Cucurbita sp.) suggests that people began cultivating the plants nearly 10,000 years ago.

Wild gourds are very bitter, so the team tested genomes from 46 modern mammals for a gene related to tasting bitterness. Smaller mammals had more copies of this gene, suggesting that ancient small mammals probably rejected the fruit, while megafauna like mastodons helped spread early Cucurbita seeds.

When the

This article is only available to Science News subscribers. Already a subscriber? Log in now.
Or subscribe today for full access.

Get Science News headlines by e-mail.

More from Science News

From the Nature Index Paid Content