Selective Elicitation of the Phytoalexin Rutalexin in Rutabaga and Turnip Roots by a Biotrophic Plant Pathogen
Bibliographic record
Abstract
Stress responses of roots of rutabaga ( Brassica napus ssp. napobrassica) and turnip ( B. rapa ssp. rapa) were analyzed. Phytoalexin production due to biotic elicitation by the biotroph Albugo candida and abiotic elicitation using UV irradiation was quantified by HPLC. The phytoalexin rutalexin was produced in substantially higher amounts in rutabaga and turnip roots inoculated with A. candida than in UV irradiated roots. By contrast, production of the phytoalexins brassinin in rutabaga and cyclobrassinin in turnip was higher in UV irradiated roots than in roots inoculated with A. candida. Overall, the results suggest that A. candida is able to redirect the phytoalexin biosynthetic pathway towards rutalexin, a phytoalexin substantially less inhibitory than either brassinin or cyclobrassinin.
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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 | 0.000 | 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 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".