nol-58
C. elegans
Nop domain-containing protein
What the model saw
Gene: nol-58 Organism: Caenorhabditis elegans Known functions: Nop domain-containing protein. snoRNA binding.
View unredacted entry
Nop domain-containing protein. snoRNA binding.
Solver output
nol-58 encodes a Nop domain-containing protein with snoRNA binding activity, placing it in the box C/D or H/ACA snoRNP machinery responsible for ribosomal RNA 2'-O-methylation and pseudouridylation. These rRNA modifications are essential for ribosome biogenesis and translational fidelity. In C. elegans, reduced ribosome biogenesis and translation rates are well-established pro-longevity interventions (e.g., loss of ribosomal proteins or translation initiation factors extends lifespan). However, the normal function of nol-58—facilitating proper rRNA modification and ribosome assembly—supports proteostasis by ensuring accurate translation. Loss of this function would impair ribosome quality and proteostasis, suggesting the gene's normal activity is required to maintain cellular homeostasis. Nonetheless, given the strong precedent in C. elegans that dampening ribosome biogenesis extends lifespan, the wild-type pro-biogenesis role of nol-58 could be considered anti-longevity; however, complete loss of rRNA modification machinery typically causes proteotoxic stress rather than lifespan extension, supporting a net pro-longevity classification for the gene's normal function in maintaining translational fidelity and proteostasis.
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 pro_longevity but the ground truth is anti_longevity. The model's reasoning is internally contradictory and ultimately reaches the wrong conclusion. It correctly identifies that reduced ribosome biogenesis extends lifespan in C. elegans, which would make nol-58 (a pro-biogenesis gene) anti_longevity — but then reverses course and argues that complete loss of rRNA modification causes proteotoxic stress, leading to a pro_longevity classification. The model essentially talked itself out of the correct answer. The mechanistic reasoning about snoRNP/rRNA modification is plausible but the final classification is wrong. The confidence of 0.62 is moderate but still wrong.
Raw API responses
solver
{
"reasoning": "nol-58 encodes a Nop domain-containing protein with snoRNA binding activity, placing it in the box C/D or H/ACA snoRNP machinery responsible for ribosomal RNA 2'-O-methylation and pseudouridylation. These rRNA modifications are essential for ribosome biogenesis and translational fidelity. In C. elegans, reduced ribosome biogenesis and translation rates are well-established pro-longevity interventions (e.g., loss of ribosomal proteins or translation initiation factors extends lifespan). However, the normal function of nol-58—facilitating proper rRNA modification and ribosome assembly—supports proteostasis by ensuring accurate translation. Loss of this function would impair ribosome quality and proteostasis, suggesting the gene's normal activity is required to maintain cellular homeostasis. Nonetheless, given the strong precedent in C. elegans that dampening ribosome biogenesis extends lifespan, the wild-type pro-biogenesis role of nol-58 could be considered anti-longevity; however, complete loss of rRNA modification machinery typically causes proteotoxic stress rather than lifespan extension, supporting a net pro-longevity classification for the gene's normal function in maintaining translational fidelity and proteostasis.",
"confidence": 0.62,
"key_pathways": [
"rRNA modification and ribosome biogenesis",
"snoRNP-mediated translational fidelity",
"proteostasis maintenance"
],
"mechanism_class": "loss_of_proteostasis",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity but the ground truth is anti_longevity. The model's reasoning is internally contradictory and ultimately reaches the wrong conclusion. It correctly identifies that reduced ribosome biogenesis extends lifespan in C. elegans, which would make nol-58 (a pro-biogenesis gene) anti_longevity — but then reverses course and argues that complete loss of rRNA modification causes proteotoxic stress, leading to a pro_longevity classification. The model essentially talked itself out of the correct answer. The mechanistic reasoning about snoRNP/rRNA modification is plausible but the final classification is wrong. The confidence of 0.62 is moderate but still wrong.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}