Cat Cravings

A mutated feline receptor for sweet tastes explains why cats don’t love sugar but do dig mushrooms.

Written byJef Akst
| 3 min read

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ANDRZEJ KRAUZE

Several years ago, mycologist Ellen Jacobson was preparing a meal in her Colorado kitchen when her cat Cashew appeared, whining and brushing against her legs. She attempted to interpret her feline companion’s cries and guessed that he was begging for a taste of the porcini mushroom she was chopping. A sucker for a good meow, Jacobson obliged, tossing Cashew a few pieces, which he gobbled up, immediately meowing for more.

Jacobson soon discovered that Cashew’s gourmet tastes weren’t limited to boletes, but also included other expensive fungi, such as oyster mushrooms and morels. Her other cat, Lewis, also seemed to have a taste for mushrooms, as did many of the cats belonging to her friends and relatives. But what was it about these mushrooms that ...

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Meet the Author

  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

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