Phylogenetic Position of Durian and Comparative Genomics with Close Relatives in Malvaceae
Bibliographic record
Abstract
Durio zibethinus Murr . is a famous tropical fruit tree of the Mallow family. It is known as the "king of fruits" for its unique and strong odor and high economic value. This study reviews the phylogenetic location of durian in the Malvaceae family, and a comparative analysis of related species of durian and Malvaceae family based on the latest genomics research. Through comparative genomic analysis, it was found that the genomic collinearity of durian and Malvaceae remained conservative in genomic collinearity, but there were also chromosomal rearrangements and gene families. We also compared the evolution of key functional genes of durian and its relative species: the ethylene signal and secondary metabolic pathway genes related to durian fruit maturation showed unique expression and evolutionary patterns, and the disease-resistant and stress-responsive genes also had copy number variation and selection pressure differences among different species. Case analysis shows that the genomes of durian and cocoa (Theobroma cacao) are similar in overall structure but different in scale, and durian and kapok ( Bombax Ceiba ) are phylogenetically closer, sharing some conserved gene clusters. The end of this study looks forward to the application prospects of durian genome research in variety improvement. Based on the research progress in the past five years, we have deepened our understanding of the genome evolution of durian and its related species, which will provide a scientific basis for the genetic improvement of durian and the development and utilization of plant resources in the Malvaceae family.
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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 | 0.002 | 0.002 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| 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".