Rapid detection of Vibrio species using liquid microsphere arrays and real-time PCR targeting the ftsZ locus
Bibliographic record
Abstract
The development of rapid and sensitive molecular techniques for the detection of Vibrio species would be useful for the surveillance of sporadic infections and management of major outbreaks. Comparative sequence analysis of the ftsZ gene in the predominant Vibrio species that cause human disease revealed distinct alleles for each examined species, including Vibrio cholerae, Vibrio parahaemolyticus and Vibrio vulnificus. Light Upon eXtension (LUX) real-time PCR assays were developed to target these species-specific polymorphisms, and were successful in rapidly differentiating the major pathogenic Vibrio species. Luminex liquid microsphere array technology was used to develop a comprehensive assay capable of simultaneously detecting V. cholerae, V. parahaemolyticus and V. vulnificus. These assays permitted the identification of a presumptive V. parahaemolyticus isolate as Vibrio alginolyticus, which was verified using additional molecular characterization.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| 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".