About the Authors

Xia Li, Weihua Li, Hong Wang, Jie Cao, Kenji Maehashi, Liquan Huang, Alexander A Bachmanov, Danielle R Reed, Gary K Beauchamp, Joseph G Brand
Monell Chemical Senses Center, Philadelphia, Pennsylvania, United States of America

Véronique Legrand-Defretin
The WALTHAM Centre for Pet Nutrition, Melton Mowbray, Leicestershire, United Kingdom

Gary K Beauchamp
Department of Psychology, School of Arts and Sciences and Department of Anatomy, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Joseph G Brand
Department of Biochemistry, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Joseph G Brand
Veterans Affairs Medical Center, Philadelphia, Pennsylvania, United States of America

Corresponding Author

brand@monell.org

Competing Interests

HW, JC, KM, and LH declare that they have no competing interests of a financial, professional, or personal nature. VLD is an employee of the Masterfoods division of Mars. GKB is on an advisory board to the WALTHAM Centre. Patents describing the uses of the feline receptors have been filed, and name as inventors: XL, WL, JGB, DRR, and AAB.

Author Contributions

XL, LH, DRR, VLD, GKB, and JGB conceived and designed the experiments. XL, WL, HW, JC, KM, and JGB performed the experiments. XL, WL, JC, AAB, and DRR analyzed the data. XL, HW, LH, AAB, and JGB contributed reagents/materials/analysis tools. XL, AAB, DRR, GKB, and JGB wrote the paper.