Species identification in seven small millet species using polymerase chain reaction - restriction fragment length polymorphism of <i>trn</i>S-<i>psb</i>C gene region
Why this work is in the frame
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Bibliographic record
Abstract
The chloroplast trnS-psbC gene regions from total genomic DNA of 119 accessions from seven small millet species were amplified by polymerase chain reaction (PCR) and digested with eight restriction enzymes individually as well as in combinations of two enzymes to generate restriction fragment length polymorphism (PCR-RFLP). PCR-RFLP with individual enzymes revealed polymorphism between only some species. However, all the species could be distinguished by using a combination of two enzymes, specifically HaeIII and MspI. PCR-RFLP of 11 to 20 accessions with the same enzyme combination showed no intraspecific variation, which established that the differential banding patterns were species specific. In contrast, the same enzyme combination was not useful for differentiating different species of the genera Cajanus, Rhyncosia, Abies, Rhizophora, Ceriops, and Bruguiera, and it also revealed intraspecies variation in three species of Abies. The present study indicated that digestion of trnS-psbC with two four-base recognizing enzymes reveals more variation than with either enzyme alone and that it may be a method of choice for species identification in some genera.
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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