Genetic analysis of growth cone migrations inCaenorhabditis elegans
Why this work is in the frame
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Bibliographic record
Abstract
Model organisms like Caenorhabditis elegans allow the study of growth cone motility and guidance in vivo. We are using circumferential axon guidance in C. elegans to study both the mechanisms of guidance and the interactions between different guidance systems in vivo. A genetic screen has identified suppressors of the specific axon guidance defects caused by ectopic expression of UNC-5, the repulsive receptor for the UNC-6/netrin guidance cue. These mutations identify eight genes whose products are required for the function of UNC-5 in these cells. In principle, the functions of some of these genes may involve unc-73, which encodes a multidomain, cytoplasmic protein that is an activator of the rac and rho GTPases. Loss of UNC-73 causes errors in axon guidance, and it is hypothesized that UNC-73 acts in multiple signaling pathways used by guidance receptors on the growth cone surface to regulate the underlying cytoskeleton. Here we summarize and discuss these recent developments that are advancing our understanding of growth cone signal transduction in vivo.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it