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mes-1

C. elegans

Protein mes-1

What the model saw

Gene: mes-1
Organism: Caenorhabditis elegans
Known functions: Protein mes-1. ATP binding. protein kinase activity. protein serine/threonine kinase activity. protein tyrosine kinase activity.
View unredacted entry
Protein mes-1. ATP binding. protein kinase activity. protein serine/threonine kinase activity. protein tyrosine kinase activity.

Solver output

Predicted influence
Unclear
Confidence
35%
Mechanism
Stem cell exhaustion
Reasoning

MES-1 is a receptor tyrosine kinase-like protein in C. elegans that functions during asymmetric cell division of the germline stem cell lineage, specifically in the P2/EMS blastomere signaling that establishes germline versus somatic fate. Its dual serine/threonine and tyrosine kinase activity with ATP binding places it in a signaling role critical for germline stem cell maintenance and asymmetric division. While germline integrity is linked to longevity in C. elegans (germline removal extends lifespan), MES-1's specific role in early embryonic patterning rather than adult stem cell homeostasis makes its net longevity influence ambiguous. The kinase activity could influence downstream pathways relevant to aging, but the primary described function is developmental rather than directly pro- or anti-longevity in the adult organism.

Key pathways
germline asymmetric cell divisionreceptor tyrosine kinase signalingstem cell fate determination
Longevity influence
Anti-longevity
Lifespan effect
Increase

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
Incorrect
Mechanism
Incorrect
Reasoning quality
2/5
Failure mode
Appropriately uncertain
Notes

The model predicted "unclear" while the ground truth is "anti_longevity." The model's reasoning about MES-1's role in germline asymmetric cell division and early embryonic patterning is partially correct in terms of its developmental function, but the model failed to connect this to a clear longevity influence. The model was aware of the germline-longevity connection in C. elegans but hedged too much, concluding "unclear" rather than anti-longevity. The mechanism class of "stem_cell_exhaustion" is not well-supported by the described function of MES-1 (which is more about early embryonic signaling/patterning than adult stem cell exhaustion). The model's confidence of 0.35 reflects appropriate uncertainty, but the final call was wrong. The reasoning quality is modest - it shows some relevant biological knowledge but fails to arrive at the correct conclusion.

Raw API responses

solver

{
  "reasoning": "MES-1 is a receptor tyrosine kinase-like protein in C. elegans that functions during asymmetric cell division of the germline stem cell lineage, specifically in the P2/EMS blastomere signaling that establishes germline versus somatic fate. Its dual serine/threonine and tyrosine kinase activity with ATP binding places it in a signaling role critical for germline stem cell maintenance and asymmetric division. While germline integrity is linked to longevity in C. elegans (germline removal extends lifespan), MES-1's specific role in early embryonic patterning rather than adult stem cell homeostasis makes its net longevity influence ambiguous. The kinase activity could influence downstream pathways relevant to aging, but the primary described function is developmental rather than directly pro- or anti-longevity in the adult organism.",
  "confidence": 0.35,
  "key_pathways": [
    "germline asymmetric cell division",
    "receptor tyrosine kinase signaling",
    "stem cell fate determination"
  ],
  "mechanism_class": "stem_cell_exhaustion",
  "longevity_influence": "unclear"
}

advisor

{
  "notes": "The model predicted \"unclear\" while the ground truth is \"anti_longevity.\" The model's reasoning about MES-1's role in germline asymmetric cell division and early embryonic patterning is partially correct in terms of its developmental function, but the model failed to connect this to a clear longevity influence. The model was aware of the germline-longevity connection in C. elegans but hedged too much, concluding \"unclear\" rather than anti-longevity. The mechanism class of \"stem_cell_exhaustion\" is not well-supported by the described function of MES-1 (which is more about early embryonic signaling/patterning than adult stem cell exhaustion). The model's confidence of 0.35 reflects appropriate uncertainty, but the final call was wrong. The reasoning quality is modest - it shows some relevant biological knowledge but fails to arrive at the correct conclusion.",
  "failure_mode": "appropriately_uncertain",
  "answer_correct": false,
  "mechanism_correct": false,
  "reasoning_quality": 2,
  "ground_truth_questionable": false
}
mes-1 · Caenorhabditis elegans | Aging biology eval