<i>Petrotoga</i>
Bibliographic record
Abstract
Abstract Pe.tro.to.ga. Gr. fem. n. petra, rock, stone; L. fem. n. toga, Roman outer garment; N.L. fem. n. Petrotoga , the stone outer garment. The genus Petrotoga comprises sheathed, anaerobic, fermentative, and hydrogen‐producing bacteria. Petrotoga are thermophilic and slightly halophilic. Growth is supported by a broad range of carbohydrates in the presence of yeast extract. Elemental sulfur is reduced by all strains. Petrotoga spp. are members of the phylum Thermotogota , class Thermotogae, order Petrotogales , and family Petrotogaceae . The genus Petrotoga includes six species with validly published names: P. halophila , P. mexicana , P. miotherma , P. mobilis , P. olearia , and P. sibirica . The seventh species, “ P. japonica ,” has not been validly published yet. Genome sizes of the validly published species range from 2.03 to 2.82 Mb, and their GC content varies between 33.8 and 34.1%. Motility has been observed for P. mobilis, P. olearia, P. sibirica, P. mexicana, and “P. japonica,” but not for P. miotherma and P. halophila . Known habitats are oil reservoirs and wastewater environments. DNA G + C content (mol%) : 33.8–34.1 (genome analysis for the 6 species with validly published names); 32.4 (HPLC for “ P. japonica ”). Type species : Petrotoga miotherma Davey et al. 1993, VL47. Taxonomic and Nomenclature Notes According to the List of Prokaryotic names with Standing in Nomenclature (LPSN), the taxonomic status of the genus Petrotoga is: correct name (last update, February 2025) * . LPSN classification: Bacteria / Thermotogati / Thermotogota / Thermotogae / Petrotogales / Petrotogaceae / Petrotoga The genus Petrotoga can also be recovered in the Genome Taxonomy Database (GTDB) as g__Petrotoga (version v220) ** . GTDB classification: d__Bacteria / p__Thermotogota / c__Thermotogae / o__Petrotogales / f__Petrotogaceae / g__Petrotoga * Meier‐Kolthoff et al. ( 2022 ). Nucleic Acids Res , 50 , D801 – D807 ; DOI: 10.1093/nar/gkab902 ** Parks et al. ( 2022 ) Nucleic Acids Res , 50 , D785 –
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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) | 0.001 | 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 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".