Monitoring viral DNA release with capillary electrophoresis
Bibliographic record
Abstract
Viral DNA injection into host cells is one of the primary mechanisms of viral propagation. Drug development that targets viral propagation requires fast and sensitive methods for monitoring the release of viral DNA in vitro. Here we demonstrate the use of capillary electrophoresis (CE) for monitoring DNA release from virus particles. As a model for this study, we used T5 bacteriophages that infect the bacterium Escherichia coli K-12 by binding to the outer membrane FhuA receptor and then injecting DNA. DNA release from the T5 phages in vitro was induced by either elevated temperature or by interaction with the purified FhuA receptor. After DNA release, the viral samples were stained with the high affinity fluorescent dye YOYO-1, injected into the capillary and subjected to electrophoresis. YOYO-1-stained DNA generated a well-defined peak, allowing reliable detection of viral DNA from as few as 10(5) viral particles. The staining to track T5 phage DNA release exemplifies the great versatility that CE offers in studying viral systems. This CE-based method can be used to study molecular mechanisms of viral infections and to evaluate anti-viral drug candidates.
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How this classification was reachedexpand
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 | 0.000 |
| 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) | 0.000 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".