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pola-1

C. elegans

DNA polymerase

What the model saw

Gene: pola-1
Organism: Caenorhabditis elegans
Known functions: DNA polymerase. DNA binding. DNA polymerase activity. DNA replication origin binding. DNA-directed DNA polymerase activity. chromatin binding. nucleic acid binding. nucleotide binding. single-stranded DNA binding.
View unredacted entry
DNA polymerase. DNA binding. DNA polymerase activity. DNA replication origin binding. DNA-directed DNA polymerase activity. chromatin binding. nucleic acid binding. nucleotide binding. single-stranded DNA binding.

Solver output

Predicted influence
Pro-longevity
Confidence
72%
Mechanism
Genomic instability
Reasoning

pola-1 encodes the catalytic subunit of DNA Polymerase Alpha, the primase-polymerase complex responsible for initiating DNA replication at origins and synthesizing RNA-DNA primers on both leading and lagging strands. Faithful and efficient DNA replication is a prerequisite for genomic integrity; loss or reduction of Pol Alpha activity leads to replication stress, stalled forks, DNA strand breaks, and accumulation of mutations — all hallmarks of genomic instability that accelerate aging. In C. elegans, maintenance of replication fidelity through Pol Alpha activity suppresses the accumulation of somatic mutations and DNA damage that would otherwise drive cellular dysfunction and shortened lifespan. The single-stranded DNA binding and replication origin binding activities further underscore its role in coordinating the replisome at origins, where defects are particularly deleterious. Therefore, the normal function of pola-1 preserves genomic stability and is expected to be pro-longevity.

Key pathways
DNA replication initiation and primer synthesisDNA damage prevention / genomic integrity maintenanceReplication fork stabilization
Longevity influence
Pro-longevity
Lifespan effect
Decrease

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 pro_longevity for pola-1 in C. elegans. The mechanistic reasoning is sound and well-articulated: DNA Polymerase Alpha is essential for DNA replication fidelity, and loss of function leads to genomic instability, replication stress, and accelerated aging. The model appropriately connected the known molecular functions (DNA polymerase activity, replication origin binding, ssDNA binding) to the longevity phenotype. The confidence of 0.72 is reasonable. The reasoning is logically consistent, though it is somewhat generic (applicable to many DNA replication genes) rather than citing specific C. elegans experimental evidence for pola-1. Overall, a solid prediction with correct answer and plausible mechanism.

Raw API responses

solver

{
  "reasoning": "pola-1 encodes the catalytic subunit of DNA Polymerase Alpha, the primase-polymerase complex responsible for initiating DNA replication at origins and synthesizing RNA-DNA primers on both leading and lagging strands. Faithful and efficient DNA replication is a prerequisite for genomic integrity; loss or reduction of Pol Alpha activity leads to replication stress, stalled forks, DNA strand breaks, and accumulation of mutations — all hallmarks of genomic instability that accelerate aging. In C. elegans, maintenance of replication fidelity through Pol Alpha activity suppresses the accumulation of somatic mutations and DNA damage that would otherwise drive cellular dysfunction and shortened lifespan. The single-stranded DNA binding and replication origin binding activities further underscore its role in coordinating the replisome at origins, where defects are particularly deleterious. Therefore, the normal function of pola-1 preserves genomic stability and is expected to be pro-longevity.",
  "confidence": 0.72,
  "key_pathways": [
    "DNA replication initiation and primer synthesis",
    "DNA damage prevention / genomic integrity maintenance",
    "Replication fork stabilization"
  ],
  "mechanism_class": "genomic_instability",
  "longevity_influence": "pro_longevity"
}

advisor

{
  "notes": "The model correctly predicted pro_longevity for pola-1 in C. elegans. The mechanistic reasoning is sound and well-articulated: DNA Polymerase Alpha is essential for DNA replication fidelity, and loss of function leads to genomic instability, replication stress, and accelerated aging. The model appropriately connected the known molecular functions (DNA polymerase activity, replication origin binding, ssDNA binding) to the longevity phenotype. The confidence of 0.72 is reasonable. The reasoning is logically consistent, though it is somewhat generic (applicable to many DNA replication genes) rather than citing specific C. elegans experimental evidence for pola-1. Overall, a solid prediction with correct answer and plausible mechanism.",
  "failure_mode": "correct",
  "answer_correct": true,
  "mechanism_correct": true,
  "reasoning_quality": 4,
  "ground_truth_questionable": false
}