Fifty years of oomycetes—from consolidation to evolutionary and genomic exploration
Bibliographic record
Abstract
Transformative changes in biological sciences during the past 25 years have led to many significant advances in oomycete research. Before the last half century there were some hints that the oomycetes were related to some algae but it is now definitively demonstrated that they do not share an evolutionary path with kingdom Eumycota and are instead placed in a new kingdom Straminipila . Clarifying this once and for all has created many opportunities, but the rapid expansion of the research community has caused some fragmentation, probably much more so than in other groups of fungi because of a lack of a unifying forum for the members of the community working on issues such as taxonomy or phylogeny. Prior to the advent of molecular phylogenetics, mycologists working in zoosporic fungi were examining the ultrastructure of the zoospore, mainly focussing on the flagellar apparatus, and managed to generate phylogenies or define clades of zoospore producing fungi that remained for the most part valid after the advances in molecular biology. Comprehensive molecular phylogenies that have been published for some genera of the oomycetes have helped in recognising a large number of new species and in the development of a wide range of DNA-based diagnostic tools. The number of genomes available for this group is increasing rapidly, pushing further the discoveries of novel host-parasite interaction mechanisms in oomycetes. Some important plant diseases that were believed to be under control have re-emerged and many new diseases have appeared particularly in forestry and even in mammals. The research community has been able to respond rapidly and effectively to these new challenges. New ecological roles for the oomycetes were found in the suppression of plant diseases and reduction of plant invasineness in natural ecosystems. There are still many challenges ahead in the oomycete community, probably the most pressing one is to establish a robust tree of life foundation like the Assembling the Fungal Tree of Life initiative. The oomycete research community is dynamic and has put to very good use the many new technological advances.
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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 | 0.005 | 0.007 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.003 | 0.004 |
| Science and technology studies | 0.002 | 0.012 |
| Scholarly communication | 0.007 | 0.015 |
| Open science | 0.001 | 0.007 |
| Research integrity | 0.003 | 0.006 |
| Insufficient payload (model declined to judge) | 0.005 | 0.001 |
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".