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There are few greater joys than watching a cat surrender to the spell of catnip, transforming a reserved companion into a joyous, unrestrained ball of fur.

At the heart of this feline frenzy is nepetalactone, a terpene that triggers a cascade of behaviors—sniffing, licking, rubbing, and hyperactivity—lasting typically five to ten minutes of pure, unadulterated entertainment.

Researchers at the UK’s John Innes Centre, published in Nature Chemical Biology, have uncovered a rare two‑step biosynthetic pathway that produces this compound. Unlike most plants that use a single enzyme to form terpenes, catnip requires an initial enzyme to activate a precursor, followed by a second enzyme that finalizes the creation of nepetalactone—a discovery that could shed light on other complex natural products.

Intriguingly, the same dual‑enzyme logic is employed in the synthesis of vincristine and vinblastine, potent chemotherapeutics used in treating various cancers. Understanding how catnip orchestrates its own terpene production may therefore provide fresh insights into manufacturing these life‑saving drugs.

“We have made significant progress in unraveling how catnip generates nepetalactone,” says Dr. Benjamin Lichman, lead author of the study. “By decoding this unusual chemical choreography, we hope to harness similar mechanisms for developing novel therapeutic agents, including those targeting cancer. We are also exploring how catnip evolved to produce these cat‑attracting compounds.”

While the everyday pleasure of a rolling catnip bowl remains a beloved pastime for pet owners, the science behind it promises unexpected avenues for medical innovation.