Reviving Élie Metschnikoff's <i>Monospora</i>: the obligately parasitic yeast <i>Australozyma monospora</i> sp. nov
Bibliographic record
Abstract
A vast literature explores a model system that consists of a prey crustacean, the water flea Daphnia spp., and an obligately pathogenic yeast that has been referred to as Metschnikowia bicuspidata and thought to represent the material used by Metschnikoff in his study of innate immunity. Typification of species bearing that name and indeed the whole genus has been problematic as regards yeasts that only grow or form aciculate ascospores in hospite. The neotype of M. bicuspidata, unlike the Daphnia parasite, is easily cultured on a variety of laboratory media, although it too can cause serious infections in a variety of mostly aquatic animals. It has become evident that the Daphnia parasite studied by Metschnikoff or current workers is not closely related to M. bicuspidata as currently understood. Analysis of whole genome DNA extracted from the yeast repeatedly found in infected Daphnia specimens shows that it belongs to the recently circumscribed genus Australozyma. The yeast is described here as Australozyma monospora sp. nov. The species, although haplontic and heterothallic, forms single-spored asci without mating. It also appears that all species in the genus are restricted to asexual reproduction, which may explain their rare status. The holotype is MICH 346683. The name is registered in Mycobank under the number MB 859667.
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How this classification was reachedexpand
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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.002 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".