Rice Cinnamoyl CoA Reductase-like Gene OsCCR14 Involved in Heat Stress via Regulation Lignin and Flavonoid Accumulation
Bibliographic record
Abstract
Cinnamoyl-CoA reductases (CCRs) and their homologs, CCR-like proteins, play key roles in plant secondary metabolism and defense against environmental stresses; however, their functions in heat stress responses remain unclear. In this study, phylogenetic and sequence alignment analyses revealed that OsCCR14 encodes a CCR-like protein. qRT-PCR assays showed that OsCCR14 is predominantly expressed in roots and is induced by heat stress. Notably, overexpression of OsCCR14 increased lignin content, and transgenic plants with enhanced OsCCR14 expression exhibited higher flavonoid accumulation in roots. Conversely, knockout of OsCCR14 reduced flavonoid content and impaired seedling heat tolerance. Furthermore, OsCCR14 overexpression improved heat tolerance, accompanied by increased root lignification and flavonoid accumulation. These results indicate that OsCCR14 acts as a critical regulator of lignin and flavonoid metabolism, thereby providing a potential target for enhancing crop heat tolerance.
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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 | 0.000 | 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) | 0.001 | 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".