Genetic structure of the foliar pathogen Dothistroma septosporum in northwest British Columbia suggests recombination and high gene flow.
Bibliographic record
Abstract
Genetic structure and reproductive mode was studied in the pine pathogen Dothistroma septosporum using amplified fragment length polymorphism (AFLP) and mating type markers in 19 populations in northwest BC. Within population diversity was high as determined by AMOVA (85%, p = 0.000). Twelve of 19 populations were not significantly different from each other suggesting high gene flow. The remaining seven populations showed some level of divergence possibly due to historic separation. Genotypic diversity was high, and overall mating type segregation did not differ significantly from 1:1 suggesting the presence of sexual reproduction. However, statistical mating tests suggest that only a few populations are randomly mating. Growth rate and toxin production was highly variable between isolates, and overall toxin production was relatively low and did not differ significantly between two populations. Results indicate a high evolutionary potential and long distance dispersal in this pathogen, important to consider in future forest management.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 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 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".