Genome compaction underlies the molecular adaptation of bay cedar (Suriana maritima) to the extreme habitat on the tropical coral islands
Why this work is in the frame
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Bibliographic record
Abstract
• Tropical coral islands represent one of the extremely stressful ecosystems whereas how plant species adapt to this special habitat at molecular level remains poorly understood. • The assembled genome of Bay cedar was very compact (292.8 Mb), which was likely caused by remarkable long terminal repeats retrotransposons’ reductions, and by massive losses of genes. • Comparative genomic analysis revealed that expanded genes, positively selected genes and/or preferentially retained genes after WGD may have contributed to the adaptation of Bay cedar to tropical coral island habitat. • Evidence from comparative transcriptomics uncovered numerous candidate genes associated with resistance to salt and drought stress, especially those involved in abscisic acid pathway (e.g., PP2Cs) and maintenance of cellular homeostasis. • Our findings suggested that the Bay cedar was adapted to the extreme environment on the tropical coral islands through genome compaction instead of expansion, which in turn restricted the distribution of the species in the unique habitat.
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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 | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| 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