Improved procedures for in vitro regeneration and for phenotypic analysis in the model legume Lotus japonicus
Why this work is in the frame
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Bibliographic record
Abstract
As a prerequisite for the development of an efficient gene transfer methodology, the possibility of inducing direct somatic embryogenesis in Lotus japonicus (Regel) K. Larsen explants was investigated. Petiole bases, cotyledons, hypocotyls and stem segments were cultivated in the presence of different amounts of benzylaminopurine (BAP) and / or thidiazuron (TDZ). Regeneration was achieved differentially in the different explants and a higher efficiency of shoot formation was obtained with TDZ. By maintaining the same TDZ regime a second cycle of morphogenesis was achieved and the histological analysis of these structures indicated unambiguously their somatic embryogenic nature. Thidiazuron was also tested as an agent to improve the kinetics of shoot formation in a Lotus japonicus transformation-regeneration procedure based on indirect organogenesis. A very significant, highly reproducible, increase in the rate of the shoot formation was observed in independent transformation experiments. We also present an extensive analysis of the feasibility and reproducibility of an in vitro procedure, which can be very useful for the screening of symbiotic phenotypes in transgenic Lotus plants and for the analysis of the cascade of molecular and cytological events occurring soon after Mesorhizobium loti infection.
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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