Cloning and differential expression of a plum single repeat-MYB,<i>PdMYB3</i>, in compatible and incompatible interactions during fungal infection
Bibliographic record
Abstract
El-kereamy, A. and Jayasankar, S. 2013. Cloning and differential expression of a plum single repeat-MYB, PdMYB3, in compatible and incompatible interactions during fungal infection. Can. J. Plant Sci. 93: 599–605. Enhancing resistance to pathogen attack through conventional breeding is a major challenge, especially in perennial species. Monilinia fructicola fungal infection causes brown rot disease, resulting in economic damage of stone fruits at flowering, pre- and post-harvest stages. The molecular mechanism of resistance to this disease is still not known. In the present study, we cloned and analyzed the expression of a novel MYB transcription factor from European plums (PdMYB3) induced in response to M. fructicola fungal infection. The identified PdMYB3 is a single repeat-MYB protein that contains a conserved SHAQKYF motif. Monilinia fructicola infection induces the expression of PdMYB3 in fruits of four cultivars within 24 h; however, it is differentially expressed in the susceptible and resistant varieties. By comparing four different cultivars we found that PdMYB3 is induced in much higher levels in the susceptible cultivars than the resistant ones. In addition the PdMYB3 expression is higher in the early stages of fruit development prior to pit hardening, suggesting a potential role for PdMYB3 during this stage. Promoter analysis revealed the presence of some hormone cis-elements suggesting a possible role for PdMYB3 gene in transmitting a signal from the hormonal pathways to downstream components during host-pathogen interactions.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), 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".