Molecular evolution of the GapC gene family in Amsinckia spectabilis (Boraginaceae)
Bibliographic record
Abstract
This thesis investigates the molecular evolution of the cytosolic glyceraldehyde 3-phosphate dehydrogenase (GapC) gene family in two varieties of Amsinckia spectabilis (Boraginaceae) that differ in mating system. Examination of sequence variation suggests that the gene family consists of three or four members. Compared with GapC in Arabidopsis thaliana, the GapC locus in A. spectabilis has at least two fewer introns and one intron that is double in length. Strong purifying selection was detected at each putative locus since the divergence of the Amsinckia spectabilis lineage from species in the allied family Solanaceae. Mean nucleotide diversity across all observed loci is 0.0036 for the inbreeding variety spectabilis, and 0.0049 for the outbreeding variety microcarpa . Outbreeding populations were systematically more diverse than inbreeding populations at GapC-IV. These results are discussed in the context of theory for the fate of duplicate genes, and the background selection hypothesis.
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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".