Genome-wide identification and analyses of the AHL gene family in banana (Musa acuminata) and the functional analysis of MaAHL43 in fruit ripening
Bibliographic record
Abstract
• A total of 48 MaAHL genes were firstly identified based on Masu acuminata genome. • All 48 MaAHL members could be classified into three types based on AT-hook motif. • MaAHL genes responded to osmotic stress and Fusarium oxysporum infection. • Overexpression of MaAHL43 gene could promote banana fruit ripening. Banana ( Musa acuminata ) is one of the most important and popular fruit crops worldwide. The AT-hook motif nuclear localized (AHL) is a conserved transcription factor family involved in the regulation of plant growth and development and stress response. However, the information of MaAHL genes remain largely elusive. In this study, a total of 48 MaAHL genes were identified based on Masu acuminata genome, which were distributed unevenly across 11 chromosomes. Phylogenetic analysis showed that the MaAHL proteins could be divided into two clades of A and B and subdivided into three types. The cis -regulatory elements in the promoter regions of MaAHL genes were mainly involved in diverse functions including plant growth and development, phytohormones responses, and stress response process. Expression profile analysis showed that MaAHL genes responded to osmotic stress and Fusarium oxysporum infection. In addition, the expression of clade-A MaAHL genes were generally downregulated while clade-B MaAHL genes were up-regulated during fruit ripening in banana. RT-qPCR showed that the expression of MaAHL43 gene was significantly up-regulated in middle and late stages of fruit ripening. MaAHL43 is located in nuclear and has no transactivation activity in yeast. Overexpression of MaAHL43 gene could promote banana fruit ripening, indicating MaAHL43 might a regulator of fruit ripening in banana. Taken together, this study would provide valuable information for further studies on the functions of MaAHL genes, and providing a new target for further research on the regulation network of banana fruit ripening.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.004 |
| 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".