Journal
TRENDS IN ECOLOGY & EVOLUTION
Volume 23, Issue 2, Pages 56-59Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tree.2007.11.002
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The transition from foraging to farming allowed humans to produce several foods in abundance that were previously scarce. However, early farmers had to adapt to benefit fully from this energy-rich but initially detrimental food supply. Perry et al. recently showed that natural selection has increased the copy number of a gene encoding a starch-digesting enzyme in farming populations. This study illustrates that genetic adaptation to new diets has occurred in humans since the agricultural revolution.
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