Visualization of Staphylococcus aureus in the bovine mammary gland by fluorescence in situ hybridization
Bibliographic record
Abstract
Bovine mastitis poses significant challenges to the dairy industry. Staphylococcus aureus is particularly problematic because of its ability to cause long-lasting infections. The aim of this study was to visualize S. aureus in infected mammary gland tissues via a specific fluorescent oligonucleotide probe and confocal microscopy. Tissue samples were obtained from cows with confirmed positive S. aureus milk cultures. Fluorescent in situ hybridization revealed the existence of large bacterial aggregates, spanning 30–50 μm in size and specifically located within the mammary parenchyma. This is the first direct visualization of S. aureus aggregates within the udder of naturally infected cows. • Bovine mastitis pathogens are suspected to grow as biofilms within the udder. • We visualized S. aureus in naturally infected mammary gland. • We observed large bacterial aggregates, indicative of biofilm-like mode of growth.
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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 | 0.005 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.006 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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".