The role of<i>Acidithiobacillus ferrooxidans</i>in alleviating the inhibitory effect of thiosulfate on the growth of acidophilic<i>Acidiphilium</i>species isolated from acid mine drainage samples from Garubathan, India
Bibliographic record
Abstract
Several acidophilic chemolithoautotrophic and heterotrophic strains were isolated from acid mine drainage samples from Garubathan, West Bengal, India. The strains, chemolithoautotrophic DK6.1 and heterotrophic DKAP1.1, used in this study were assigned to the species Acidithiobacillus ferrooxidans and Acidiphilium cryptum, respectively. Unamended filtered and subsequently autoclaved elemental sulfur spent medium of A. ferrooxidans was used as the medium to study heterotrophic growth of A. cryptum DKAP1.1. While characterizing the heterotrophic strain, an inhibitory effect of thiosulfate on A. cryptum DKAP1.1 was identified. The lethality of thiosulfate broth was directly related to the concentration of thiosulfate in the medium. Nonviability of A. cryptum DKAP1.1 in the presence of thiosulfate was alleviated by A. ferrooxidans DK6.1 in co-culture. Microbiological data on a positive growth effect for A. ferrooxidans DK6.1 caused by co-culturing in solid media in the presence of A. cryptum DKAP1.1 is also presented.
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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 | 0.001 |
| 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 | 0.001 | 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".