RGT1
S. cerevisiae
Rgt1p
What the model saw
Gene: RGT1 Organism: Saccharomyces cerevisiae Known functions: Rgt1p. DNA binding. DNA-binding transcription activator activity, RNA polymerase II-specific. DNA-binding transcription factor activity, RNA polymerase II-specific. DNA-binding transcription repressor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. zinc ion binding.
View unredacted entry
Rgt1p. DNA binding. DNA-binding transcription activator activity, RNA polymerase II-specific. DNA-binding transcription factor activity, RNA polymerase II-specific. DNA-binding transcription repressor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding. zinc ion binding.
Solver output
RGT1 encodes a zinc finger transcription factor in S. cerevisiae that functions as both a repressor and activator of glucose-responsive genes, most notably repressing HXT hexose transporter genes under low-glucose conditions and activating them under high-glucose conditions. RGT1 is a downstream effector of the Snf3/Rgt2 glucose-sensing pathway, which is tightly coupled to nutrient sensing networks including the Ras/PKA and TOR pathways. High glucose signaling through RGT1 promotes active glucose uptake and fermentative metabolism, which is associated with shortened lifespan in yeast. Activation of glucose import and fermentation opposes the caloric restriction-like state that extends chronological and replicative lifespan. Because RGT1's primary role is to facilitate high-glucose transcriptional responses that antagonize longevity-promoting nutrient-limitation signals, its normal function is predicted to be anti-longevity.
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 correctly predicted anti_longevity for RGT1. The mechanistic reasoning is sound and well-grounded: RGT1 is indeed a transcription factor in the Snf3/Rgt2 glucose sensing pathway that regulates HXT hexose transporter genes, and its role in promoting glucose uptake and fermentative metabolism is correctly linked to shortened lifespan. The connection to caloric restriction-like states and TOR/Ras-PKA pathways is appropriate. The confidence level (0.62) is reasonable given the indirect nature of the evidence. The reasoning is slightly speculative in connecting RGT1 directly to TOR pathway, but the overall mechanistic framework is correct.
Raw API responses
solver
{
"reasoning": "RGT1 encodes a zinc finger transcription factor in S. cerevisiae that functions as both a repressor and activator of glucose-responsive genes, most notably repressing HXT hexose transporter genes under low-glucose conditions and activating them under high-glucose conditions. RGT1 is a downstream effector of the Snf3/Rgt2 glucose-sensing pathway, which is tightly coupled to nutrient sensing networks including the Ras/PKA and TOR pathways. High glucose signaling through RGT1 promotes active glucose uptake and fermentative metabolism, which is associated with shortened lifespan in yeast. Activation of glucose import and fermentation opposes the caloric restriction-like state that extends chronological and replicative lifespan. Because RGT1's primary role is to facilitate high-glucose transcriptional responses that antagonize longevity-promoting nutrient-limitation signals, its normal function is predicted to be anti-longevity.",
"confidence": 0.62,
"key_pathways": [
"Snf3/Rgt2 glucose sensing pathway",
"HXT hexose transporter transcriptional regulation",
"Ras/PKA nutrient signaling"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "anti_longevity"
}advisor
{
"notes": "The model correctly predicted anti_longevity for RGT1. The mechanistic reasoning is sound and well-grounded: RGT1 is indeed a transcription factor in the Snf3/Rgt2 glucose sensing pathway that regulates HXT hexose transporter genes, and its role in promoting glucose uptake and fermentative metabolism is correctly linked to shortened lifespan. The connection to caloric restriction-like states and TOR/Ras-PKA pathways is appropriate. The confidence level (0.62) is reasonable given the indirect nature of the evidence. The reasoning is slightly speculative in connecting RGT1 directly to TOR pathway, but the overall mechanistic framework is correct.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 4,
"ground_truth_questionable": false
}