elo-5
C. elegans
Long chain fatty acid elongase 5
What the model saw
Gene: elo-5 Organism: Caenorhabditis elegans Known functions: Long chain fatty acid elongase 5. fatty acid elongase activity.
View unredacted entry
Long chain fatty acid elongase 5. fatty acid elongase activity.
Solver output
ELO-5 is a fatty acid elongase responsible for extending long-chain fatty acids, particularly in the biosynthesis of polyunsaturated fatty acids (PUFAs) such as monomethyl branched-chain fatty acids (mmBCFAs) in C. elegans. mmBCFAs produced by ELO-5 are required for proper membrane composition and have been shown to influence the TORC1/nutrient-sensing pathway and intestinal development. Loss of elo-5 disrupts mmBCFA synthesis, impairing membrane integrity and signaling, which can reduce lifespan. Adequate PUFA/mmBCFA levels support membrane fluidity and lipid signaling that interface with nutrient-sensing pathways (TOR, insulin/IGF-1), placing ELO-5 in a pro-longevity role when functioning normally. The elongase activity of ELO-5 is thus integral to maintaining lipid homeostasis, a key determinant of healthspan and lifespan in C. elegans.
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 elo-5 in C. elegans. The mechanistic reasoning is solid and well-grounded: ELO-5 produces monomethyl branched-chain fatty acids (mmBCFAs), which are required for proper membrane composition and intestinal development, and loss of elo-5 reduces lifespan. The connection to TORC1/nutrient-sensing is reasonable, though the primary mechanism is more directly about mmBCFA synthesis and membrane integrity rather than deregulated nutrient sensing per se. The mechanism_class of "deregulated_nutrient_sensing" is a slight oversimplification — lipid homeostasis/membrane composition would be more precise — but the overall reasoning is accurate and well-supported. Confidence of 0.62 is appropriately moderate given the specificity of the gene.
Raw API responses
solver
{
"reasoning": "ELO-5 is a fatty acid elongase responsible for extending long-chain fatty acids, particularly in the biosynthesis of polyunsaturated fatty acids (PUFAs) such as monomethyl branched-chain fatty acids (mmBCFAs) in C. elegans. mmBCFAs produced by ELO-5 are required for proper membrane composition and have been shown to influence the TORC1/nutrient-sensing pathway and intestinal development. Loss of elo-5 disrupts mmBCFA synthesis, impairing membrane integrity and signaling, which can reduce lifespan. Adequate PUFA/mmBCFA levels support membrane fluidity and lipid signaling that interface with nutrient-sensing pathways (TOR, insulin/IGF-1), placing ELO-5 in a pro-longevity role when functioning normally. The elongase activity of ELO-5 is thus integral to maintaining lipid homeostasis, a key determinant of healthspan and lifespan in C. elegans.",
"confidence": 0.62,
"key_pathways": [
"fatty acid elongation / mmBCFA biosynthesis",
"TOR/nutrient-sensing signaling",
"membrane lipid homeostasis"
],
"mechanism_class": "deregulated_nutrient_sensing",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly predicted pro_longevity for elo-5 in C. elegans. The mechanistic reasoning is solid and well-grounded: ELO-5 produces monomethyl branched-chain fatty acids (mmBCFAs), which are required for proper membrane composition and intestinal development, and loss of elo-5 reduces lifespan. The connection to TORC1/nutrient-sensing is reasonable, though the primary mechanism is more directly about mmBCFA synthesis and membrane integrity rather than deregulated nutrient sensing per se. The mechanism_class of \"deregulated_nutrient_sensing\" is a slight oversimplification — lipid homeostasis/membrane composition would be more precise — but the overall reasoning is accurate and well-supported. Confidence of 0.62 is appropriately moderate given the specificity of the gene.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 4,
"ground_truth_questionable": false
}