Two new studies found that ancient human ancestors carried a surprising diversity of genes for amylase, an enzyme that breaks down starch. By Carl Zimmer As soon as you put starch in your mouth — ...
A new study reveals how the duplication of the salivary amylase gene may not only have helped shape human adaptation to starchy foods, but may have occurred as far back as more than 800,000 years ago, ...
When humans domesticated grains some 12,000 years ago, natural selection began to favor genomes with extra genes encoding for the enzyme amylase, which converts starch to sugar. These extra genes ...
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