Divergence and dispersal of the nematode‐trapping fungus <i>Arthrobotrys oligospora</i> from China
Why this work is in the frame
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Bibliographic record
Abstract
Nematode-trapping fungi are of significant agricultural, forestry and ecological importance. However, relatively little is known about the patterns of genetic variation for any nematode-trapping fungus through its broad geographic and ecological contexts. Here, we analysed DNA sequence variation among strains of the nematode-trapping fungus Arthrobotrys oligospora from China. Our analyses revealed that the Chinese A. oligospora is a species complex with at least three divergent lineages (cryptic species). In addition, there was significant geographic structuring with unambiguous evidence for localized recombination within two of the three lineages in nature. However, evidence for clonal reproduction was also found. We discuss the implications of our results to the conservation and biocontrol application of A. oligospora in agriculture and forestry.
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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) | 0.001 | 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