Molecular differentiation of<i>Bifidobacterium</i>species with amplified ribosomal DNA restriction analysis and alignment of short regions of the<i>ldh</i>gene
Why this work is in the frame
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Bibliographic record
Abstract
The differentiation of Bifidobacterium species was performed with specific primers using the PCR technique, the amplified ribosomal DNA restriction analysis (ARDRA) technique based on reports on the sequence of the 16S rRNA gene and speciation based on a short region of the ldh gene. Four specific primer sets were developed for each of the Bifidobacterium species, B. animalis, B. infantis and B. longum. The use of the ARDRA method made it possible to discriminate between B. infantis, B. longum and B. animalis with the combination of BamHI, TaqI and Sau3AI restriction enzymes. The ldh gene sequences of 309-312 bp were determined for 19 Bifidobacterium strains. Alignment of these short regions of the ldh gene confirmed that it is possible to distinguish between B. longum and B. infantis but not between B. lactis and B. animalis.
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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 it