New insights into RNA packaging in porcine reproductive and respiratory syndrome virus
Bibliographic record
Abstract
While identifying whether the smallest packaged heteroclite subgenomic RNA (S9) of porcine reproductive and respiratory syndrome virus (PRRSV) contains a packaging signal, we found that S9 was capable of binding to the basic amino acid-rich domain (synthetic peptide of aa 34-53) of the packaging protein (N). In addition, by using truncations at the 5' and 3' ends of S9, a minimal binding region of 35 nt was found to be essential for binding to both the synthetic peptide and to the full-length N protein. Furthermore, by using cell-culture experiments, we found that S9 was capable of packaging non-viral RNA sequence into PRRSV particles and that the 35 nt region was essential for this activity. Taken together, our data suggest that this 35 nt region might be an important element for packaging PRRSV genomic RNA into virus particles.
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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 | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| 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 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".