The Sugar-Metabolic Enzymes Aldolase and Triose-Phosphate Isomerase are Targets of Glutathionylation in Arabidopsis thaliana: Detection using Biotinylated Glutathione
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Bibliographic record
Abstract
GSH has multiple actions in physiological responses of plants, but the molecular mechanisms are not fully understood. GSH plays an important role in functional alteration of proteins by reversible covalent incorporation (glutathionylation) in vertebrate cells. To investigate the function of glutathionylation in plant cells, we examined glutathionylated proteins in the suspension-cultured cells of Arabidopsis using biotinylated GSH. Biotinylated GSH was incorporated into about 20 proteins. Two of these proteins were identified as the key enzymes for sugar metabolism, triose-phosphate isomerase (TPI) and putative plastidic aldolase. Recombinant TPI was inactivated by GSSG, and it was reactivated by GSH. The physiological roles of glutathionylation of TPI and aldolase in sugar metabolism are discussed.
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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 it