Gene expression in tension wood and bast fibres
Bibliographic record
Abstract
Tension wood is produced in the xylem of some angiosperm trees, such as poplar ( Populus spp.), whereas bast fibers are phloem-derived cells best known from annual crops, such as flax ( Linum usitatissimum L.). Despite their different origins, secondary walls of both tension wood and bast fibers share distinctive properties, including an abundance of axially oriented, crystalline cellulose produced in a distinctive gelatinous-type layer. Because of these unique properties, tension wood and phloem fibers have separately been the subject of at least nine previously published gene or protein profiling studies. Here we review these experiments with a focus on those genes, whose expression distinguishes both tension wood and bast fibers from the more predominant types of xylem found elsewhere in the stem. Notable among these is an evolutionarily distinctive group of fasciclin-like arabinogalactan proteins (FLA) and a putative rhamnogalacturonan lyase.
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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".