Genomic Organization of the Human and Mouse <i>stau</i> Genes
Bibliographic record
Abstract
Mammalian Staufen is a double-stranded RNA-binding protein potentially involved in mRNA transport and localization. Recently, we reported that the human gene is located on chromosome 20, region q13.1. We now report the genomic organization of both the human and mouse stau genes. Amplification of genomic DNA and sequencing of the resulting PCR products indicated that the human and mouse genes are fragmented into 15 and 12 exons, distributed over at least 65 and 17 kb of genomic DNA, respectively. The three additional exons found in the human gene are subjected to differential splicing, generating four different transcripts. Corresponding exons have not been found in mouse transcripts. Apart from those three exons, the overall organization of the stau gene is similar in the two species, and the positions of the exon-intron junctions are perfectly conserved. Even an alternative choice between two splicing acceptor sites, which causes an insertion of 18 nucleotides in exon 5, is conserved in both humans and mice. An extremely G+C-rich region lacking canonical TATA and CAAT boxes was found upstream of the most 5' RACE sequence, suggesting that a housekeeping-like promoter drives the broad expression of Staufen in mammalian cells. This work represents the first step toward production of knockout mice and the elucidation of putative Staufen-linked hereditary diseases in humans.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| 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) | 0.002 | 0.001 |
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".