Winter and summer leaves of <i>Cistus incanus</i>: differences in leaf morphofunctional traits, photosynthetic energy partitioning, and poly(ADP-ribose) polymerase (PARP) activity
Bibliographic record
Abstract
Leaf anatomy, photosynthetic performance, and the role of poly(ADP-ribosyl)ation in maintaining genomic stability in winter and summer leaves of Cistus incanus L. were investigated to evaluate the strategies allowing this species to grow in a Mediterranean climate. Measurements on summer leaves (SL) were conducted at midday and on the following morning to assess the reversibility of changes induced by high temperatures and irradiances reached at midday. Winter leaves (WL) were thicker with a lower leaf density and higher intercellular spaces compared with SL, which showed reduced net photosynthesis (P n ) and a decrease in Rubisco activity. Compared with WL, SL showed a higher thermal dissipation (Φ NPQ ) in compensating for the reduced P n . This allowed minimization of ROS production (low Φ NO ) and hence prevented photo-oxidative damage. In SL, poly(ADP-ribose) polymerase (PARP) activity was down-regulated, probably allowing leaves to become tolerant to high temperatures and irradiances. SL are also characterised by chloroplasts occupying larger cell volume and well exposed to intercellular spaces. This may well favour better liquid-phase CO 2 diffusion towards carboxylation sites, contributing to reducing the negative influence of high leaf density and the low percentage of intercellular spaces on photosynthesis.
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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".