Expression and Purification of Heterologous Proteins in Plant Tissue Using a Geminivirus Vector System
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
In the past, plant molecular biologists have relied on Escherichia coli, baculovirus and other expression systems to produce plant proteins to quantities sufficient for biochemical analysis. However, such expression systems often result in the production of proteins which possess improper posttranslational modifications. Here, we present a plant virus-based expression system superior to those currently available. We demonstrate that bean yellow dwarf geminivirus (BeYDV) replicates and expresses foreign proteins at high levels in tobacco, Arabidopsis, and other dicotyledonous plants, making it more universal than plant RNA viruses with restricted host ranges which are currently used as expression systems. The DNA-based nature of the BeYDV genome renders it stable for the incorporation of large plant open reading frames, and gives it an advantage over other plant virus-based expression systems which possess insert size restrictions. Using this expression system, the rapid accumulation of a novel Arabidopsis-derived mitogen-activated protein kinase to levels sufficient for standard biochemical analysis is demonstrated.
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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