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👅 Taste Transduction and Adaptation Lab

Explore how sweet, umami, bitter, salty, and sour tastes are detected through two genuinely different molecular pathways, and why a taste receptor cell's response fades with sustained exposure.

Medicine & Biophysics3DModerate60 FPS⚡ Plasma

The simulator demonstrates the two distinct molecular pathways of taste transduction, the GPCR-gustducin-TRPM5 cascade for sweet, umami, and bitter versus the direct ENaC and OTOP1 ion channel pathways for salty and sour, alongside real-time receptor cell adaptation and recovery dynamics during sustained or repeated stimulation.

🔬 What It Demonstrates

🎮 How to Use

Select a taste category to see its specific molecular pathway animate from stimulus binding through to taste cell depolarization. Apply a sustained stimulus and watch the firing rate trace rise then decay as the cell adapts, then remove the stimulus and observe the recovery period before firing sensitivity returns to baseline.

💡 Did You Know?

Amiloride, a drug that blocks ENaC channels, can specifically dull salty taste in experiments while leaving sweet, umami, bitter, and sour perception completely unaffected, direct evidence that salty taste relies on its own dedicated ion channel rather than sharing machinery with the other basic tastes.

⚙ Under the hood

Explore how sweet, umami, bitter, salty, and sour tastes are detected through two genuinely different molecular pathways, and why a taste receptor cell's response fades with sustained exposure.

tastesensory physiologygpcrion channelsneuroscienceadaptationgustducinchemoreception

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install