An improved method for detection and quantification of chitinase activities
Bibliographic record
Abstract
Chitinases are enzymes that serve critical roles in fungal growth and development, in resistance of plants to fungal pathogens, and in parasitism of insects by entomopathogenic fungi. The term "chitinase" is used for 3 enzymatic activities: N-acetylglucosaminidases, which sequentially release N-acetylglucosamine residues from the chitin polymer; chitobiosidases, which release disaccharides; and endochitinases, which cleave within the polymer and release oligosaccharides. We describe a technique where chitinases are separated on non-denaturing polyacrylamide gels, activities are visualized and characterized with chitinase specific substrates, and specific activities are estimated by image analysis. This technique permits a rapid determination of all of the types of chitinases present within a sample as well as their activities.
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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".