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egl-30

C. elegans

Guanine nucleotide-binding protein subunit alpha

What the model saw

Gene: egl-30
Organism: Caenorhabditis elegans
Known functions: Guanine nucleotide-binding protein subunit alpha. G protein-coupled receptor binding. G-protein beta/gamma-subunit complex binding. GTP binding. GTPase activity. guanyl nucleotide binding. metal ion binding.
View unredacted entry
Guanine nucleotide-binding protein subunit alpha. G protein-coupled receptor binding. G-protein beta/gamma-subunit complex binding. GTP binding. GTPase activity. guanyl nucleotide binding. metal ion binding.

Solver output

Predicted influence
Anti-longevity
Confidence
72%
Mechanism
Deregulated nutrient sensing
Reasoning

egl-30 encodes the C. elegans Gαq homolog, a heterotrimeric G protein alpha subunit that couples GPCRs to downstream effectors including phospholipase C-β (EGL-8) and the Trio/RhoGEF pathway. Activated Gαq signaling stimulates DAG/PKC and IP3 pathways, which broadly promote anabolic and growth-promoting signaling. In C. elegans, enhanced Gαq/egl-30 activity has been shown to antagonize the pro-longevity DAF-16/FOXO transcription factor pathway by promoting insulin-like signaling tone and reducing stress resistance. Conversely, reduction of egl-30 function extends lifespan, consistent with its role as a pro-growth, anti-longevity signal. This places egl-30 in the deregulated nutrient-sensing hallmark, as Gαq-PKC signaling intersects with insulin/IGF-1-like pathway regulation of DAF-16 and metabolic homeostasis.

Key pathways
Gαq-PLCβ-DAG/IP3 signalingInsulin/IGF-1-like signaling (DAF-2/DAF-16 axis)PKC-mediated anabolic signaling
Longevity influence
Anti-longevity
Lifespan effect
Increase

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

Answer
Correct
Mechanism
Correct
Reasoning quality
4/5
Failure mode
Correct
Notes

The model correctly predicted egl-30 as anti_longevity with good confidence (0.72). The mechanistic reasoning is largely accurate: egl-30 encodes the C. elegans Gαq homolog, and its reduction extends lifespan. The model correctly identifies the PLCβ/DAG/IP3 pathway and PKC signaling. The connection to DAF-16/FOXO and insulin-like signaling is plausible but somewhat speculative - the primary mechanism of egl-30's anti-longevity effect is more directly through Gαq-PLCβ signaling and its effects on neuronal activity/feeding behavior rather than strictly through deregulated nutrient sensing. The mechanism_class of "deregulated_nutrient_sensing" is a reasonable but not perfect categorization - Gαq signaling is more of a general GPCR/neuromodulatory pathway. Overall, the answer is correct and the reasoning is solid, though the nutrient sensing framing is a slight overreach.

Raw API responses

solver

{
  "reasoning": "egl-30 encodes the C. elegans Gαq homolog, a heterotrimeric G protein alpha subunit that couples GPCRs to downstream effectors including phospholipase C-β (EGL-8) and the Trio/RhoGEF pathway. Activated Gαq signaling stimulates DAG/PKC and IP3 pathways, which broadly promote anabolic and growth-promoting signaling. In C. elegans, enhanced Gαq/egl-30 activity has been shown to antagonize the pro-longevity DAF-16/FOXO transcription factor pathway by promoting insulin-like signaling tone and reducing stress resistance. Conversely, reduction of egl-30 function extends lifespan, consistent with its role as a pro-growth, anti-longevity signal. This places egl-30 in the deregulated nutrient-sensing hallmark, as Gαq-PKC signaling intersects with insulin/IGF-1-like pathway regulation of DAF-16 and metabolic homeostasis.",
  "confidence": 0.72,
  "key_pathways": [
    "Gαq-PLCβ-DAG/IP3 signaling",
    "Insulin/IGF-1-like signaling (DAF-2/DAF-16 axis)",
    "PKC-mediated anabolic signaling"
  ],
  "mechanism_class": "deregulated_nutrient_sensing",
  "longevity_influence": "anti_longevity"
}

advisor

{
  "notes": "The model correctly predicted egl-30 as anti_longevity with good confidence (0.72). The mechanistic reasoning is largely accurate: egl-30 encodes the C. elegans Gαq homolog, and its reduction extends lifespan. The model correctly identifies the PLCβ/DAG/IP3 pathway and PKC signaling. The connection to DAF-16/FOXO and insulin-like signaling is plausible but somewhat speculative - the primary mechanism of egl-30's anti-longevity effect is more directly through Gαq-PLCβ signaling and its effects on neuronal activity/feeding behavior rather than strictly through deregulated nutrient sensing. The mechanism_class of \"deregulated_nutrient_sensing\" is a reasonable but not perfect categorization - Gαq signaling is more of a general GPCR/neuromodulatory pathway. Overall, the answer is correct and the reasoning is solid, though the nutrient sensing framing is a slight overreach.",
  "failure_mode": "correct",
  "answer_correct": true,
  "mechanism_correct": true,
  "reasoning_quality": 4,
  "ground_truth_questionable": false
}