Assessment of risk of GM contamination in flaxseed accessions imported from Canada: a case study to restrict the unauthorized GM events from entering India
Bibliographic record
Abstract
Abstract In India, the restriction of genetically modified (GM) crops and derived products not approved in the country necessitates surveillance for transgene(s) in plant material/products imported into the country. CDC Triffid expressing acetolactate synthase (ALS) conferring tolerance to sulphonylurea herbicide is the only GM flax event that has got approval in Canada in 1990s and subsequently deregistered in 2001. In spite of deregistration, the unexpected and unauthorized detection of traces of GM flax in the consignments imported from Canada to Europe has further necessitated the stringent monitoring of flax shipments from Canada for suspected GM incidents. This study reports on the detection of transgenic elements being present in GM flax employing polymerase chain reaction assays, in a set of 123 flaxseed accessions imported from Canada for research purpose. Based on the tests conducted, none of the transgenic elements, namely, nos promoter (P-nos), nos terminator (T-nos), nptII marker gene, ALS transgene, as present in the GM flax CDC Triffid were detected in any of the tested accessions. The well-known herbicide tolerance gene cp4-epsps, being employed in Roundup® Ready events of other crops, was also not detected in these samples. This case study has demonstrated the importance of monitoring the presence of transgene(s) in flaxseed imports, and such studies need to be carried out for the imported seeds from the country where GM events of respective crop are being approved whereas they have not been approved in the country of import as a part of precautionary approach.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.004 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| 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".