Gr63a
D. melanogaster
Gustatory receptor 63a
What the model saw
Gene: Gr63a Organism: Drosophila melanogaster Known functions: Gustatory receptor 63a. gustatory receptor 63a. ligand-gated monoatomic ion channel activity. taste receptor activity.
View unredacted entry
Gustatory receptor 63a. gustatory receptor 63a. ligand-gated monoatomic ion channel activity. taste receptor activity.
Solver output
Gr63a encodes a gustatory receptor in Drosophila that functions as a ligand-gated ion channel involved in taste/chemosensory perception. Gustatory receptors in flies are critical for detecting dietary components and aversive compounds (e.g., CO2, bitter substances), thereby modulating feeding behavior and nutrient intake. Proper chemosensory signaling through taste receptors influences dietary restriction-like responses and caloric intake regulation, which are tightly linked to nutrient-sensing pathways (e.g., insulin/IGF-1 signaling, TOR) that are central regulators of longevity in Drosophila. By mediating aversive taste responses, Gr63a may help limit overconsumption of harmful or calorie-dense foods, indirectly promoting longevity through dietary modulation. However, the direct mechanistic link to lifespan extension is indirect and the evidence is limited, warranting moderate confidence.
GenAge curators classify each gene's normal function as promoting (Pro-Longevity) or opposing (Anti-Longevity) longevity, based on synthesis across studies. Loss-of-function effects can vary from this depending on the manipulation.
Advisor judgment
The model predicted pro_longevity but the ground truth is anti_longevity. Gr63a is a CO2 receptor in Drosophila, and its loss-of-function or manipulation has been shown to extend lifespan, making it anti_longevity (i.e., its normal activity shortens life). The model's reasoning about aversive taste responses limiting overconsumption and indirectly promoting longevity is speculative and incorrect in direction. The model had moderate confidence (0.55) but still got both the answer and the mechanism wrong. The reasoning quality is poor because it relied on indirect, speculative logic rather than known biology of Gr63a.
Raw API responses
solver
{
"reasoning": "Gr63a encodes a gustatory receptor in Drosophila that functions as a ligand-gated ion channel involved in taste/chemosensory perception. Gustatory receptors in flies are critical for detecting dietary components and aversive compounds (e.g., CO2, bitter substances), thereby modulating feeding behavior and nutrient intake. Proper chemosensory signaling through taste receptors influences dietary restriction-like responses and caloric intake regulation, which are tightly linked to nutrient-sensing pathways (e.g., insulin/IGF-1 signaling, TOR) that are central regulators of longevity in Drosophila. By mediating aversive taste responses, Gr63a may help limit overconsumption of harmful or calorie-dense foods, indirectly promoting longevity through dietary modulation. However, the direct mechanistic link to lifespan extension is indirect and the evidence is limited, warranting moderate confidence.",
"confidence": 0.55,
"key_pathways": [
"gustatory/chemosensory signaling",
"nutrient sensing and dietary restriction",
"insulin/IGF-1 and TOR signaling"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity but the ground truth is anti_longevity. Gr63a is a CO2 receptor in Drosophila, and its loss-of-function or manipulation has been shown to extend lifespan, making it anti_longevity (i.e., its normal activity shortens life). The model's reasoning about aversive taste responses limiting overconsumption and indirectly promoting longevity is speculative and incorrect in direction. The model had moderate confidence (0.55) but still got both the answer and the mechanism wrong. The reasoning quality is poor because it relied on indirect, speculative logic rather than known biology of Gr63a.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}