Assertion: hummingbird | /r/CapableOf | adapt carbohydrate receptor
Facets:
value: from the t1r1-t1r3 receptor
type: OTHER
Source sentences:
text: Although the only known sweet sensory receptor, called T1R2, is absent in birds, receptor expression studies showed that hummingbirds adapted a carbohydrate receptor from the T1R1-T1R3 receptor, identical to the one perceived as umami in humans, essentially repurposing it to function as a nectar sweetness receptor.