Genome-wide identification and expression profiling of the <i>SPL</i> family genes in wheat
Bibliographic record
Abstract
The SQUAMOSA promoter-binding protein-like (SPL) proteins constitute a family of plant-specific transcription factors that play a vital role in plant development. Wheat (Triticum aestivum, AABBDD) is universally well-known as a cash crop; however, the SPLs of this important crop have not been systematically investigated as yet. In this study, we conducted a genome-wide survey in wheat and found 56 SPL genes belonging to 19 homologous groups. The SPL genes were divided into seven classes using phylogenetic tree analyses. We mapped these genes onto the wheat chromosomes and examined their structures and conserved motifs. Moreover, we performed a synteny analysis on wheat, and summarized the SPL family as well as the evolutionary relationships between SPLs. Thereafter, we compared the expression patterns of wheat SPLs under different conditions, confirming that SPLs play an important role in spike development. To conclude, the SPLs in triplets have analogous structures and similar expression patterns. The three-pair triplet response to jasmonic acid (JA) and abscisic acid (ABA) was determined by quantitative real-time polymerase chain reaction (qRT-PCR). This work provides a comprehensive understanding of the SPL gene family in wheat. Our investigation of the wheat SPL gene family provides a starting point for additional functional studies of these significant transcription factors in wheat.
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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".