dcr-1
C. elegans
Death-promoting deoxyribonuclease
What the model saw
Gene: dcr-1 Organism: Caenorhabditis elegans Known functions: [REDACTED]-promoting deoxyribonuclease. ATP binding. DNA binding. RNA binding. RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism. deoxyribonuclease I activity. hydrolase activity. protein binding. ribonuclease III activity.
View unredacted entry
Death-promoting deoxyribonuclease. ATP binding. DNA binding. RNA binding. RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism. deoxyribonuclease I activity. hydrolase activity. protein binding. ribonuclease III activity.
Solver output
DCR-1 is the C. elegans ortholog of Dicer, a ribonuclease III enzyme that processes double-stranded RNA precursors into small RNAs (miRNAs and siRNAs). These small RNAs are essential for post-transcriptional gene silencing and epigenetic regulation of gene expression. In C. elegans, the miRNA pathway regulated by dcr-1 is known to modulate aging, notably through miRNAs such as lin-4 and let-7 that target pro-aging factors including DAF-2/insulin receptor signaling components. Loss of dcr-1 function impairs small RNA biogenesis, disrupts gene regulatory networks, and has been shown to shorten lifespan in C. elegans. The annotation also notes a "promoting deoxyribonuclease" activity, which may contribute to genome maintenance. Overall, the primary pro-longevity role is through small RNA-mediated epigenetic/post-transcriptional regulation of aging pathways.
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 identified dcr-1 as pro_longevity with high confidence (0.82). The mechanistic reasoning is excellent: correctly identifying DCR-1 as the C. elegans Dicer ortholog, explaining its role in miRNA/siRNA biogenesis, connecting it to aging regulation through miRNAs like lin-4 and let-7, and noting that loss of dcr-1 shortens lifespan. The mechanism class of "epigenetic_alterations" is reasonable, though "post-transcriptional regulation" might be more precise. The key pathways identified are all relevant and accurate. The model also correctly noted the deoxyribonuclease activity mentioned in the redacted entry.
Raw API responses
solver
{
"reasoning": "DCR-1 is the C. elegans ortholog of Dicer, a ribonuclease III enzyme that processes double-stranded RNA precursors into small RNAs (miRNAs and siRNAs). These small RNAs are essential for post-transcriptional gene silencing and epigenetic regulation of gene expression. In C. elegans, the miRNA pathway regulated by dcr-1 is known to modulate aging, notably through miRNAs such as lin-4 and let-7 that target pro-aging factors including DAF-2/insulin receptor signaling components. Loss of dcr-1 function impairs small RNA biogenesis, disrupts gene regulatory networks, and has been shown to shorten lifespan in C. elegans. The annotation also notes a \"promoting deoxyribonuclease\" activity, which may contribute to genome maintenance. Overall, the primary pro-longevity role is through small RNA-mediated epigenetic/post-transcriptional regulation of aging pathways.",
"confidence": 0.82,
"key_pathways": [
"miRNA/siRNA biogenesis (Dicer/RNAi pathway)",
"DAF-2/insulin-IGF-1 signaling regulation via miRNAs",
"post-transcriptional epigenetic gene silencing"
],
"mechanism_class": "epigenetic_alterations",
"longevity_influence": "pro_longevity"
}advisor
{
"notes": "The model correctly identified dcr-1 as pro_longevity with high confidence (0.82). The mechanistic reasoning is excellent: correctly identifying DCR-1 as the C. elegans Dicer ortholog, explaining its role in miRNA/siRNA biogenesis, connecting it to aging regulation through miRNAs like lin-4 and let-7, and noting that loss of dcr-1 shortens lifespan. The mechanism class of \"epigenetic_alterations\" is reasonable, though \"post-transcriptional regulation\" might be more precise. The key pathways identified are all relevant and accurate. The model also correctly noted the deoxyribonuclease activity mentioned in the redacted entry.",
"failure_mode": "correct",
"answer_correct": true,
"mechanism_correct": true,
"reasoning_quality": 5,
"ground_truth_questionable": false
}