A survey of the plant mitochondrial proteome in relation to development
Why this work is in the frame
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Bibliographic record
Abstract
To expand the functional analysis of plant mitochondria, we have undertaken the building of the proteome of pea mitochondria purified from leaves (green and etiolated), roots and seeds. In the first stage, we focused our proteomic exploration on the soluble protein complement of the green leaf mitochondria. We used traditional two-dimensional polyacrylamide gel electrophoresis, in combination with size exclusion chromatography as a third dimension, to identify the major proteins and further resolve their macromolecular complexity. The two-dimensional map of soluble proteins of green leaf mitochondria revealed 433 spots (with Coomassie blue staining) and around 73% of the proteins (in mass) were identified using three different approaches: Edman degradation, matrix-assisted laser desorption/ionization mass spectrometry and electrospray ionization tandem mass spectrometry. Quite a lot of the polypeptides were present in multiforms which indicated the presence of isoforms or the occurrence of post-translational modifications. Among these proteins, we uncovered an abundant family that was identified as aldehyde dehydrogenases, representing approximately 7.5% of the soluble proteins. The comparative analysis of soluble mitochondrial proteomes led to the identification of a number of proteins which were specifically present in root or in seed mitochondria, thus revealing the impact of tissue differentiation at the mitochondrial level.
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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