Characterization of Alistipes montrealensis sp. nov., Isolated from Human Feces of a Patient with Metastatic Melanoma Treated with Immune Checkpoint Inhibitors
Bibliographic record
Abstract
Fecal microbiome culturomics of a cancer patient treated with immune checkpoint inhibitors led to the identification of a Gram-negative, rod-shaped, obligate anaerobic, non-motile, non-spore-forming bacterium, designated strain kh20T, which was phylogenetically assigned to the genus Alistipes. Strain kh20T demonstrated a 98.61% 16S rRNA sequence similarity with A.shahii WAL 8301T. The bacteria cells generated catalase but no oxidase. Iso-C15:0 (26.6%), anteiso-C15:0 (19.9%), and iso-C17:0 (17.2%) were the major cellular fatty acids identified in its composition. The G+C content of its genome was 57.2%. Strain kh20T showed significantly low values for DNA-DNA Hybridation (DDH ≤ 33.70%) and Average Nucleotide Identity (ANI ≤ 86.35%) compared with other Alistipes species. Based on these findings, we concluded that strain kh20T represented a novel bacterium, and we proposed the name Alistipes montrealensis sp. nov. (CECT 30384 and CSUR Q6005).
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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 | 0.000 | 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 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".