Comparison and Improvement of Total RNA Extraction Methods from Different Tissues of <i>Polygonatum cyrtonema</i> Hua
Why this work is in the frame
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Bibliographic record
Abstract
Extraction and isolation of high-quality RNA from Polygonatum cyrtonema Hua. is the basis of research on gene expression, regulation and genetic engineering.For screening the best method of total RNA extraction from different tissues of P. cyrtonema, total RNA was extracted from rhizomes, stems, leaves and flowers of P. cyrtonema by six methods that were Trizol method, CTAB-isopropanol method, RNA pure plant kit CTAB-LiCl method, hot phenol method and improved hot phenol method respectively.The concentration and quality of RNA were analyzed using Subordinate function method.The results showed that the improved hot phenol method was the most ideal for RNA extraction among the six methods.The RNA bands of different tissues of P. cyrtonema were complete and clear, the OD260/OD280 and OD260/OD230 values were between 1.8 and 2.1, the extraction concentration values were between 77.16 and 185.72 µg/g.This study provide a reference for extracting high-quality total RNA from P. cyrtonema.
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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 | 0.001 | 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 | 0.000 |
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