Mouse Taste Bud (image) Howard Hughes Medical Institute Share Print E-Mail Caption In cells in the mouse taste bud, the protein Semaphorin 3A (green) helps bitter-sensing taste receptor cells attract the correct neural target. The protein Semaphorin 7A (red) marks sweet-sensing cells. Credit Lee et al./Nature 2017 Usage Restrictions Must use credit with image. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.