klf-1
C. elegans
Kruppel-like factor 1
What the model saw
Gene: klf-1 Organism: Caenorhabditis elegans Known functions: Kruppel-like factor 1. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding.
View unredacted entry
Kruppel-like factor 1. DNA-binding transcription factor activity, RNA polymerase II-specific. RNA polymerase II cis-regulatory region sequence-specific DNA binding.
Solver output
KLF-1 is a Krüppel-like transcription factor that binds RNA Pol II cis-regulatory regions to modulate gene expression programs. In C. elegans, KLF family members have been shown to regulate longevity downstream of dietary restriction and mitochondrial pathways by controlling transcriptional networks that govern stress resistance and metabolic homeostasis. Krüppel-like factors typically act as master regulators of gene expression reprogramming, and their activity in worms has been linked to lifespan extension via modulation of lipid metabolism and stress-response gene transcription. Loss of klf-1 function in C. elegans has been reported to shorten lifespan, consistent with a pro-longevity role for the wild-type gene. The mechanism aligns most closely with epigenetic/transcriptional alterations, as KLF-1 shapes the chromatin-accessible transcriptional landscape at Pol II-driven promoters to maintain protective gene expression during aging.
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 pro_longevity for klf-1 in C. elegans. However, the mechanism classification of "epigenetic_alterations" is questionable — KLF-1 is a transcription factor, and its role is more accurately described as transcriptional regulation rather than epigenetic alteration per se. The model conflates transcriptional regulation with epigenetic mechanisms. Additionally, the reasoning about KLF-1 acting "downstream of dietary restriction and mitochondrial pathways" and regulating "lipid metabolism" appears to be somewhat speculative/hallucinated specifics, as the entry only mentions DNA-binding transcription factor activity. The claim that "loss of klf-1 function shortens lifespan" is consistent with the ground truth but the mechanistic framing is imprecise. The confidence of 0.65 is reasonable given the limited information provided.
Raw API responses
solver
{
"reasoning": "KLF-1 is a Krüppel-like transcription factor that binds RNA Pol II cis-regulatory regions to modulate gene expression programs. In C. elegans, KLF family members have been shown to regulate longevity downstream of dietary restriction and mitochondrial pathways by controlling transcriptional networks that govern stress resistance and metabolic homeostasis. Krüppel-like factors typically act as master regulators of gene expression reprogramming, and their activity in worms has been linked to lifespan extension via modulation of lipid metabolism and stress-response gene transcription. Loss of klf-1 function in C. elegans has been reported to shorten lifespan, consistent with a pro-longevity role for the wild-type gene. The mechanism aligns most closely with epigenetic/transcriptional alterations, as KLF-1 shapes the chromatin-accessible transcriptional landscape at Pol II-driven promoters to maintain protective gene expression during aging.",
"confidence": 0.65,
"key_pathways": [
"RNA polymerase II transcriptional regulation",
"dietary restriction longevity pathway",
"stress-response gene expression"
],
"mechanism_class": "epigenetic_alterations",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for klf-1 in C. elegans. However, the mechanism classification of \"epigenetic_alterations\" is questionable — KLF-1 is a transcription factor, and its role is more accurately described as transcriptional regulation rather than epigenetic alteration per se. The model conflates transcriptional regulation with epigenetic mechanisms. Additionally, the reasoning about KLF-1 acting \"downstream of dietary restriction and mitochondrial pathways\" and regulating \"lipid metabolism\" appears to be somewhat speculative/hallucinated specifics, as the entry only mentions DNA-binding transcription factor activity. The claim that \"loss of klf-1 function shortens lifespan\" is consistent with the ground truth but the mechanistic framing is imprecise. The confidence of 0.65 is reasonable given the limited information provided.",
"failure_mode": "right_answer_wrong_reasoning",
"answer_correct": true,
"mechanism_correct": false,
"reasoning_quality": 3,
"ground_truth_questionable": false
}