daf-19
C. elegans
RFX-like transcription factor daf-19
What the model saw
Gene: daf-19 Organism: Caenorhabditis elegans Known functions: RFX-like transcription factor daf-19. DNA binding. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding.
View unredacted entry
RFX-like transcription factor daf-19. DNA binding. DNA-binding transcription factor activity. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding.
Solver output
DAF-19 is an RFX-type transcription factor in C. elegans that binds X-box promoter elements and is best characterized as the master regulator of ciliogenesis, driving expression of genes required for sensory neuron cilia formation. While cilia are critical for sensory signaling — including chemosensory inputs that modulate DAF-2/insulin-IGF-1 pathway activity and thus lifespan — the relationship is indirect and bidirectional: loss of cilia can extend lifespan by reducing pro-aging sensory signals, but cilia also support other homeostatic functions. DAF-19 also has broader transcriptional targets beyond ciliogenesis. Because its longevity effect depends heavily on which downstream targets and sensory circuits are considered, and the net outcome is not clearly pro- or anti-longevity from molecular function annotations alone, the prediction remains unclear.
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 "unclear" while the ground truth is "anti_longevity." The model's reasoning about DAF-19 as a master regulator of ciliogenesis is correct, and it correctly identifies that loss of cilia can extend lifespan by reducing pro-aging sensory signals. However, it failed to commit to the anti-longevity classification. The reasoning is actually quite good - it correctly identifies the key mechanism (cilia regulate sensory inputs to DAF-2/insulin-IGF-1 pathway), and notes that loss of cilia can extend lifespan, which implies DAF-19 (promoting cilia formation) would be anti-longevity. The model was appropriately uncertain given the complexity, but the ground truth indicates DAF-19 is anti-longevity, consistent with the model's own reasoning that cilia support pro-aging sensory signals. The model had the right mechanistic pieces but failed to synthesize them into the correct directional prediction.
Raw API responses
solver
{
"reasoning": "DAF-19 is an RFX-type transcription factor in C. elegans that binds X-box promoter elements and is best characterized as the master regulator of ciliogenesis, driving expression of genes required for sensory neuron cilia formation. While cilia are critical for sensory signaling — including chemosensory inputs that modulate DAF-2/insulin-IGF-1 pathway activity and thus lifespan — the relationship is indirect and bidirectional: loss of cilia can extend lifespan by reducing pro-aging sensory signals, but cilia also support other homeostatic functions. DAF-19 also has broader transcriptional targets beyond ciliogenesis. Because its longevity effect depends heavily on which downstream targets and sensory circuits are considered, and the net outcome is not clearly pro- or anti-longevity from molecular function annotations alone, the prediction remains unclear.",
"confidence": 0.38,
"key_pathways": [
"RFX transcription factor / X-box ciliogenesis regulation",
"DAF-2/insulin-IGF-1 sensory modulation",
"RNA polymerase II-dependent transcriptional regulation"
],
"mechanism_class": "unclear",
"longevity_influence": "unclear"
}advisor
{
"notes": "The model predicted \"unclear\" while the ground truth is \"anti_longevity.\" The model's reasoning about DAF-19 as a master regulator of ciliogenesis is correct, and it correctly identifies that loss of cilia can extend lifespan by reducing pro-aging sensory signals. However, it failed to commit to the anti-longevity classification. The reasoning is actually quite good - it correctly identifies the key mechanism (cilia regulate sensory inputs to DAF-2/insulin-IGF-1 pathway), and notes that loss of cilia can extend lifespan, which implies DAF-19 (promoting cilia formation) would be anti-longevity. The model was appropriately uncertain given the complexity, but the ground truth indicates DAF-19 is anti-longevity, consistent with the model's own reasoning that cilia support pro-aging sensory signals. The model had the right mechanistic pieces but failed to synthesize them into the correct directional prediction.",
"failure_mode": "appropriately_uncertain",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 3,
"ground_truth_questionable": false
}