Knocking out P2X receptors reduces transmitter secretion in taste buds.
Huang YA, Stone LM, Pereira E, Yang R, Kinnamon JC, Dvoryanchikov G, Chaudhari N, Finger TE, Kinnamon SC, Roper SD. Knocking out P2X receptors reduces transmitter secretion in taste buds. J Neurosci. 2011 Sep 21; 31(38):13654-61.