Multidrug‐Resistant Variants of HIV Type 1 (HIV‐1) Can Exist in Cells as Defective Quasispecies and Be Rescued by Superinfection with Other Defective HIV‐1 Variants
Bibliographic record
Abstract
A tissue culture cell line infected with multidrug-resistant (MDR) human immunodeficiency virus type 1 (HIV-1) produced only noninfectious particles because of a lethal mutation in env. The defective MDR provirus was rescued by superinfection with either wild-type HIV-1 or a second replication-defective virus lethally mutated in capsid. Drug-resistance phenotyping revealed that the MDR viruses dominated if even single reverse-transcriptase inhibitors were present, reflecting linkage of the various drug resistance mutations on a single viral nucleic acid backbone. These results are most likely attributable to recombination during second rounds of infection and suggest that defective HIV-1 variants may nonetheless constitute part of the HIV-1 reservoir.
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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 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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".