Decorospora, a New Genus for the Marine Ascomycete Pleospora gaudefroyi
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Bibliographic record
Abstract
In this paper, we investigate the phylogenetic placement of Pleospora gaudefroyi using partial SSU as well as ITS ribosomal DNA sequences. Both SSU and ITS data sets agreed in the placement of P. gaudefroyi. Parsimony and neighbor-joining analyses of each data set placed P. gaudefroyi within the Pleosporaceae with 100% bootstrap support. Pleospora gaudefroyi was sister taxon in the Pleosporaceae represented by Alternaria alternata, Cochliobolus sativus, Pleospora herbarum, Pyrenophora tritici-repentis and Setosphaeria rostrata. Pleospora gaudefroyi was separated from other genera in the Pleosporaceae in 94% of the bootstrap replicates in parsimony and neighbor-joining analyses. When P. gaudefroyi was constrained to monophyly with P. herbarum, all resulting trees were significantly worse than the optimal tree in both Kishino-Hasegawa and Shimodaira-Hasegawa tests. Pleospora gaudefroyi was therefore excluded from Pleospora, and transferred to the new genus Decorospora placed in the Pleosporaceae. Decorospora (Dothideomycetes) has characteristic ascospores enclosed in a sheath with 4–5 apical extensions. The distribution and substrate types for D. gaudefroyi are summarized and updated based on additional collections.
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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