A molecular marker closely linked to the region of <i>Rht-D1c</i> and <i>Ms2</i> genes in common wheat (<i>Triticum aestivum</i>)
Bibliographic record
Abstract
A male sterile wheat mutant, Triticum aestivum L. 'Taigu', was found in a wheat field in China in 1972. The male sterility was controlled by a single dominant gene that was referred to as Ms2. Recently, this gene was found to be linked to a dwarfing gene through crossing Taigu with the short wheat T. aestivum 'Ai-Bian 1' carrying the dwarfing gene Rht-D1c. The objective of this study was to develop molecular markers linked to the male sterility Ms2 gene in common wheat. One hundred and twenty-two near-isogenic lines were developed through backcrossing and sib intercrossing and used as the mapping population for the development of molecular markers. Bulked segregant analysis was used to screen 48 pairs of SSR primers, and a marker, MS2-WMC617, was identified closely linked to the male sterile Ms2 gene that mapped at the distal position of chromosome arm 4DS. The use of the molecular marker MS2-WMC617 can facilitate recurrent selection in a wheat breeding program based on marker-assisted selection.
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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 | 0.001 |
| 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".