The Secret History of Amylase: Our Ancient Connection to Starchy Foods

Imagine your favorite starchy snack, like a chewy bagel or crispy fries. You might think these are modern treats, but the story behind our ability to enjoy them goes way back in time. Scientists recently discovered that our ancient ancestors, including Neanderthals and Denisovans, carried multiple copies of the amylase gene as early as 800,000 years ago. Amylase is the superhero enzyme in our saliva and gut that breaks down starch into sugar, making starchy foods taste sweet and helping us absorb energy. Even before our ancestors started farming, they were equipped to handle starches.

But why? Maybe it was part of their varied diet, or maybe it was just there, waiting for the right time. Today, scientists are still figuring out if having lots of these genes is good or bad for us. Some think it might lead to more cavities since the enzyme turns starch into sugar. Either way, it’s a fascinating part of our evolutionary journey. This newfound knowledge came from a high-tech tool called long-read sequencing, which lets scientists examine ancient genetic material in incredible detail. It’s like reading an ancient recipe book, revealing secrets from our past.

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