bmk-1
C. elegans
Kinesin-like protein
What the model saw
Gene: bmk-1 Organism: Caenorhabditis elegans Known functions: Kinesin-like protein. ATP binding. cytoskeletal motor activity. microtubule binding. microtubule motor activity. nucleotide binding. plus-end-directed microtubule motor activity. protein binding.
View unredacted entry
Kinesin-like protein. ATP binding. cytoskeletal motor activity. microtubule binding. microtubule motor activity. nucleotide binding. plus-end-directed microtubule motor activity. protein binding.
Solver output
bmk-1 encodes a kinesin-like motor protein with plus-end-directed microtubule motor activity, which in C. elegans is the ortholog of the BimC/Eg5 family kinesin involved in mitotic spindle assembly and chromosome segregation. Proper plus-end-directed kinesin activity is essential for mitotic progression and cell division; however, sustained or dysregulated kinesin-driven mitotic activity in somatic and germline tissues can promote proliferation at the expense of longevity. In C. elegans, germline proliferation signals are well-established antagonists of longevity — active mitotic cycling in the germline suppresses DAF-16/FOXO-dependent longevity pathways. Plus-end-directed kinesin motors like bmk-1 are required for germline mitosis and spindle function, meaning their normal activity supports the proliferative germline state that opposes somatic longevity. Loss of germline proliferation (e.g., glp-1 mutants) extends lifespan, suggesting that genes driving germline mitotic activity, including bmk-1, are net anti-longevity factors.
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 anti_longevity while the ground truth is pro_longevity. The model's reasoning is speculative and flawed - it incorrectly assumes that bmk-1's role in germline mitosis makes it anti-longevity by analogy to germline proliferation pathways. This is a stretch of logic that doesn't account for the actual experimental evidence. The model's confidence of 0.62 is moderate but still wrong. The mechanism proposed (cellular senescence) is also incorrect - bmk-1 is a kinesin motor protein involved in mitotic spindle assembly, not cellular senescence. The reasoning about germline proliferation suppressing DAF-16/FOXO longevity is a real pathway, but the conclusion that bmk-1 is therefore anti-longevity is not supported by the actual data. The model constructed a plausible-sounding but ultimately incorrect mechanistic narrative.
Raw API responses
solver
{
"reasoning": "bmk-1 encodes a kinesin-like motor protein with plus-end-directed microtubule motor activity, which in C. elegans is the ortholog of the BimC/Eg5 family kinesin involved in mitotic spindle assembly and chromosome segregation. Proper plus-end-directed kinesin activity is essential for mitotic progression and cell division; however, sustained or dysregulated kinesin-driven mitotic activity in somatic and germline tissues can promote proliferation at the expense of longevity. In C. elegans, germline proliferation signals are well-established antagonists of longevity — active mitotic cycling in the germline suppresses DAF-16/FOXO-dependent longevity pathways. Plus-end-directed kinesin motors like bmk-1 are required for germline mitosis and spindle function, meaning their normal activity supports the proliferative germline state that opposes somatic longevity. Loss of germline proliferation (e.g., glp-1 mutants) extends lifespan, suggesting that genes driving germline mitotic activity, including bmk-1, are net anti-longevity factors.",
"confidence": 0.62,
"key_pathways": [
"germline proliferation vs. somatic longevity axis",
"mitotic spindle assembly (kinesin/microtubule motor)",
"DAF-16/FOXO longevity signaling"
],
"mechanism_class": "cellular_senescence",
"longevity_influence": "anti_longevity"
}advisor
{
"notes": "The model predicted anti_longevity while the ground truth is pro_longevity. The model's reasoning is speculative and flawed - it incorrectly assumes that bmk-1's role in germline mitosis makes it anti-longevity by analogy to germline proliferation pathways. This is a stretch of logic that doesn't account for the actual experimental evidence. The model's confidence of 0.62 is moderate but still wrong. The mechanism proposed (cellular senescence) is also incorrect - bmk-1 is a kinesin motor protein involved in mitotic spindle assembly, not cellular senescence. The reasoning about germline proliferation suppressing DAF-16/FOXO longevity is a real pathway, but the conclusion that bmk-1 is therefore anti-longevity is not supported by the actual data. The model constructed a plausible-sounding but ultimately incorrect mechanistic narrative.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}