16S rRNA gene sequence analysis of halophilic and halotolerant bacteria isolated from a hypersaline pond in Sichuan, China
Bibliographic record
Abstract
One hundred and twenty bacterial isolates were obtained from a hypersaline pond (c. 22% salinity) in Sichuan, China. Bacteria were isolated from hypersaline water, sediment and soil samples using three culture media and an incubation temperature of 37°C. Of these isolates, 47 were selected and examined by phylogenetic analysis of 16S rRNA gene sequences and by tests of salt tolerance. The phylogenetic analysis placed the 47 bacterial isolates either in the phylum Firmicutes or in the class Gammaproteobacteria and showed that they were affiliated with the genera Salimicrobium, Halalkalibacillus, Virgibacillus, Alkalibacillus, Marinococcus, Halobacillus, Halomonas, Idiomarina, Chromohalobacter and Halovibrio. All tested isolates were either halophilic or halotolerant and several were capable of growth in the presence of 30% (w/v) NaCl.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 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 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".