ArticleJournal of experimental botany2011
Drought-stress-induced up-regulation of CAM in seedlings of a tropical cactus, Opuntia elatior, operating predominantly in the C3 mode.
Article in Journal of experimental botany, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Yes, we CAM! First evidence of CAM photosynthesis in a carnivorous plant.Plant biology (Stuttgart, Germany) · 2026Article
- Surviving a Double-Edged Sword: Response of Horticultural Crops to Multiple Abiotic Stressors.International journal of molecular sciences · 2024Review
- Developmental dynamics of crassulacean acid metabolism (CAM) in Opuntia ficus-indica.Annals of botany · 2023Article
- Identification of the Regulators of Epidermis Development under Drought- and Salt-Stressed Conditions by Single-Cell RNA-Seq.International journal of molecular sciences · 2022Article
- CAM photosynthesis: the acid test.The New phytologist · 2022Article
- The Development of Crassulacean Acid Metabolism (CAM) Photosynthesis in Cotyledons of the CPlants (Basel, Switzerland) · 2020Article
- Insights Into Chloroplast Genome Evolution Across Opuntioideae (Cactaceae) Reveals Robust Yet Sometimes Conflicting Phylogenetic Topologies.Frontiers in plant science · 2020Article
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- Gas exchange and leaf anatomy of a C3-CAM hybrid, Yucca gloriosa (Asparagaceae).Journal of experimental botany · 2016Article
- The effect of drought on photosynthetic plasticity in Marrubium vulgare plants growing at low and high altitudes.Journal of plant research · 2015Article
- Evidence of Drought Stress Memory in the Facultative CAM, Aptenia cordifolia: Possible Role of Phytohormones.PloS one · 2015Article
- Nocturnal versus diurnal CO2 uptake: how flexible is Agave angustifolia?Journal of experimental botany · 2014Article
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Authors and funding
3 authors.
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Abstract
Immediately after unfolding, cotyledons of the tropical platyopuntoid cactus, Opuntia elatior Mill., exhibited a C(3)-type diel CO(2) exchange pattern characterized by net CO(2) uptake in the light. Significant nocturnal increases in titratable acidity typical of crassulacean acid metabolism (CAM) were not detected at this early developmental stage. As cotyledons matured and the first cladode (flattened stem) developed, features of CAM were observed and the magnitude of CAM increased. Nonetheless, in well-watered seedlings up to 10 cm tall, C(3) photosynthetic CO(2) fixation in the light remained the major pathway of carbon fixation. Reduced soil water availability led to an up-regulation of net dark CO(2) fixation and greater nocturnal increases in tissue acidity, consistent with facultative CAM. These observations demonstrate that C(3) photosynthesis, drought-stress-related facultative CAM, and developmentally controlled constitutive CAM can all contribute to the early growth of O. elatior. The strong C(3) component and facultative CAM features expressed in young O. elatior contrast with mature plants in which obligate CAM is the major pathway of carbon acquisition.
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