Effects of Environmental Conditions on Thiamine Levels and Health of Brook Trout
Bibliographic record
Abstract
Brook trout (Salvelinus fontinalis), a predatory freshwater species, often consume prey fish with elevated levels of thiaminase. Previous studies have shown that thiaminase degrades thiamine (Vitamin B1), an essential cofactor in metabolic pathways including the pentose-phosphate pathway, citric acid cycle, and glycolysis. The deficiency of thiamine can impair RNA and DNA synthesis due to reduced NADPH production. This study investigated the impact of environmental factors on the thiamine levels in the diets of these brook trouts. Six brook trout strains from New York State and Canada, living in temperatures of 4°C and 19°C, and some under hypoxic conditions, were examined. A transketolase activity assay was developed and applied to fish liver samples for thiamine analysis. The findings are significant, as the assay paves the way for further studies on cellular redox states, oxidative stress, and the potential adverse effects of regulated enzymes on fish health and development.
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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 | 0.000 | 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 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".