Visualizing Auxin Transport Routes in Arabidopsis Leaf Primordia
Bibliographic record
Abstract
The phytohormone auxin plays a pivotal role in plant development, regulating a myriad of processes including embryo patterning, root patterning, organ initiation, and vein patterning. Auxin is unique among the plant hormones as it is actively transported from cell to cell in a polar fashion. It has recently been discovered that polar auxin transport generates dynamic, local auxin gradients within plant tissues that appear to provide positional information in patterning processes. Visualization of apparent auxin transport patterns has largely been facilitated by the recent creation of translational fusions of GFP to members of the Arabidopsis (At)PIN family of auxin efflux associated proteins. Confocal visualization of these fusion products (PIN:GFPs) enables the tracking of apparent auxin transport patterns in a huge number of samples. This visualization method can be combined with experimental interference, such as local auxin application and inhibition of auxin transport, to deduce possible self-organizing auxin-dependent patterning mechanisms and to make them amenable to mathematical modeling.
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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 | 0.001 | 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".