ArticlePlant physiology2023
Physiological mechanisms underlying extreme longevity in mountain pine trees.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Dynamics of Functional Traits and Molecular Regulation in the Vascular Cambium Across Different Ages ofPlants (Basel, Switzerland) · 2026Article
- Integrating Intrinsic Mechanisms, Environmental Drivers and Anthropogenic Influences in Long-Lived Tree Longevity.Plants (Basel, Switzerland) · 2026Review
- The long tail of tree maximum lifespan enriches the forest.Nature ecology & evolution · 2025Article
- Differences and driving factors of leaf functional traits between old tree and mature tree of Pinus tabulaeformis in the Loess Plateau.BMC plant biology · 2025Article
- Growing old while staying young : The unique mechanisms that defy aging in plants.EMBO reports · 2024Article
- Ancient trees are essential elements for high-mountain forest conservation: Linking the longevity of trees to their ecological function.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
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Authors and funding
2 authors.
Funding
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Abstract
Ancient trees are life history longevity winners that mostly persist in remote and environmentally harsh mountainous areas. Here, we performed a multifeature analysis in a protected mature mountain pine (Pinus uncinata) forest to identify the morphological and physiological traits that make these trees unique. We compared the physiology of meristematic and somatic tissues (apical buds and needles, respectively) from juvenile, mature young, mature old, and mature ancient trees under cold stress and nonstress conditions. We successfully identified key morphological features of extreme longevity at the organism level, as well as various growth, vigor, stress, and dormancy markers underlying extreme longevity in old and ancient trees. Results indicated that evolution has exerted selective pressure on specific physiological traits that make trees become longevity winners (<0.1% of the tree population were ancient trees, with an average trunk diameter >100 cm and an estimated age of 700 years). Traits entailing longevity not only included apical dominance loss, epicormic growth, and modular senescence, but also an extreme plasticity in both meristematic and somatic tissues (buds and needles, respectively), as shown by various physiological markers. In conclusion, ancient trees are oddities that not only possess a unique ecological value but also show divergent physiological behaviors selected during their evolution to allow them to cope with adversities and attain long life.
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