Posttranscriptional regulation in <i>Drosophila</i> oocytes and early embryos
Why this work is in the frame
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Bibliographic record
Abstract
Abstract Molecular asymmetries underlying embryonic axis patterning and germ cell specification are established in Drosophila largely by position‐dependent translational regulation of maternally expressed messenger RNAs. Here, I review several mechanisms of posttranscriptional regulation in the Drosophila oocyte and syncytial embryo, and how they relate to embryonic patterning, with a strong emphasis on the most recent advances in the area. The review is not exhaustive, but focuses on examples that illustrate the interplay between specific regulatory events and the general metabolic machinery that governs translation and mRNA stability. Biophysical investigations into how the Bicoid gradient is formed are discussed, as are the elaborate mechanisms controlling how the Oskar and Nanos proteins become restricted to the posterior pole of the embryo. Work on Vasa, a translational activator of some germ line mRNAs and on 4EHP, a negative regulator that unproductively binds the 5′ cap structure of target mRNAs, is also briefly reviewed. Finally, the emerging understanding of the role of microRNAs in regulating translation of germ line mRNAs is also discussed. WIREs RNA 2011 2 408–416 DOI: 10.1002/wrna.70 This article is categorized under: Translation > Translation Regulation RNA Export and Localization > RNA Localization RNA in Disease and Development > RNA in Development
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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