<i>GmCOL1a</i>and<i>GmCOL1b</i>Function as Flowering Repressors in Soybean Under Long-Day Conditions
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Bibliographic record
Abstract
CONSTANS (CO) has a central role in the photoperiod response mechanism in Arabidopsis. However, the functions of legume CO genes in controlling flowering remain unknown. Here, we analyze the expression patterns of E1, E2 and GmCOL1a/1b using near-isogenic lines (NILs), and we further analyze flowering-related genes in gmcol1b mutants and GmCOL1a-overexpressing plants. Our data showed that both E3 and E4 up-regulate E1 expression, with the effect of E3 on E1 being greater than the effect of E4 on E1. E2 was up-regulated by E3 and E4 but down-regulated by E1. GmCOL1a/1b were up-regulated by E1, E2, E3 and E4. Although the spatial and temporal patterns of GmCOL1a/1b expression were more similar to those of AtCOL2 than to those of AtCO, gmcol1b mutants flowered earlier than wild-type plants under long-day (LD) conditions, and the overexpression of GmCOL1a caused late flowering under LD or natural conditions. In addition, GmFT2a/5a, E1 and E2 were down-regulated in GmCOL1a-overexpressing plants under LD conditions. Because E1/2 influences the expression of GmCOL1a, and vice versa, we conclude that these genes may function as part of a negative feedback loop, and GmCOL1a/b genes may serve as suppressors in photoperiodic flowering in soybean under LD conditions.
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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