erm-1
C. elegans
Moesin/ezrin/radixin homolog 1
What the model saw
Gene: erm-1 Organism: Caenorhabditis elegans Known functions: Moesin/ezrin/radixin homolog 1. actin binding. cell adhesion molecule binding. cytoskeletal anchor activity. cytoskeletal protein binding. protein binding.
View unredacted entry
Moesin/ezrin/radixin homolog 1. actin binding. cell adhesion molecule binding. cytoskeletal anchor activity. cytoskeletal protein binding. protein binding.
Solver output
ERM-1 is the C. elegans ortholog of the ERM (Ezrin/Radixin/Moesin) family of proteins, which function as cytoskeletal anchors linking the actin cytoskeleton to the plasma membrane and cell adhesion molecules. ERM proteins are critical for maintaining epithelial polarity, lumen formation, and tissue architecture—particularly in the intestine and excretory canal of C. elegans. Proper cytoskeletal anchoring and cell adhesion molecule binding support tissue integrity and intercellular communication, which decline with age. Loss of erm-1 in C. elegans causes severe defects in tubulogenesis and epithelial organization, suggesting its normal function is essential for maintaining tissue homeostasis. By preserving epithelial barrier integrity and organized cell-cell signaling, ERM-1 activity is expected to oppose age-related tissue deterioration and support longevity.
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 about ERM-1's role in cytoskeletal anchoring and epithelial polarity is generally accurate in terms of the protein's known functions, but the model incorrectly inferred that maintaining tissue integrity would make ERM-1 pro-longevity. In reality, erm-1 is anti-longevity, meaning its loss or reduction likely extends lifespan. The model failed to consider that some structural/cytoskeletal proteins can be anti-longevity (e.g., their reduction may activate stress responses or longevity pathways). The confidence of 0.55 is relatively low, but the prediction is still wrong. The reasoning quality is poor because it made a logical leap that tissue integrity maintenance = pro-longevity without considering the alternative possibility.
Raw API responses
solver
{
"reasoning": "ERM-1 is the C. elegans ortholog of the ERM (Ezrin/Radixin/Moesin) family of proteins, which function as cytoskeletal anchors linking the actin cytoskeleton to the plasma membrane and cell adhesion molecules. ERM proteins are critical for maintaining epithelial polarity, lumen formation, and tissue architecture—particularly in the intestine and excretory canal of C. elegans. Proper cytoskeletal anchoring and cell adhesion molecule binding support tissue integrity and intercellular communication, which decline with age. Loss of erm-1 in C. elegans causes severe defects in tubulogenesis and epithelial organization, suggesting its normal function is essential for maintaining tissue homeostasis. By preserving epithelial barrier integrity and organized cell-cell signaling, ERM-1 activity is expected to oppose age-related tissue deterioration and support longevity.",
"confidence": 0.55,
"key_pathways": [
"ERM cytoskeletal anchoring and epithelial polarity",
"actin-membrane linkage and lumen morphogenesis",
"cell adhesion molecule signaling"
],
"mechanism_class": "altered_intercellular_communication",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model predicted pro_longevity but the ground truth is anti_longevity. The model's reasoning about ERM-1's role in cytoskeletal anchoring and epithelial polarity is generally accurate in terms of the protein's known functions, but the model incorrectly inferred that maintaining tissue integrity would make ERM-1 pro-longevity. In reality, erm-1 is anti-longevity, meaning its loss or reduction likely extends lifespan. The model failed to consider that some structural/cytoskeletal proteins can be anti-longevity (e.g., their reduction may activate stress responses or longevity pathways). The confidence of 0.55 is relatively low, but the prediction is still wrong. The reasoning quality is poor because it made a logical leap that tissue integrity maintenance = pro-longevity without considering the alternative possibility.",
"failure_mode": "confident_wrong",
"answer_correct": false,
"mechanism_correct": false,
"reasoning_quality": 2,
"ground_truth_questionable": false
}