Results 51 to 60 of about 6,365 (214)

Characteristics of C-4 photosynthesis in stems and petioles of C-3 flowering plants [PDF]

open access: yes, 2002
Most plants are known as C-3 plants because the first product of photosynthetic CO2 fixation is a three-carbon compound. C-4 plants, which use an alternative pathway in which the first product is a four-carbon compound, have evolved independently many ...
A Ben Zioni   +29 more
core   +1 more source

Trait‐based restoration in African dryland restoration projects: overcoming systemic and scientific barriers for a viable future

open access: yesRestoration Ecology, EarlyView.
Abstract Introduction African dryland restoration continues to show low success rates despite major pledges, due to persistent water scarcity, ecological complexity, and limited use of trait‐based restoration (TBR). Functional trait‐based approaches, which match species selection to adaptive traits, could strengthen ecosystem recovery under arid ...
Paulina N. Naupu   +3 more
wiley   +1 more source

Adaptational Mechanisms of Epiphytic Orchids: A Review

open access: yesInternational Journal of Bio-Resource and Stress Management, 2022
Orchidaceae belongs to the 84 families of vascular plants that cover species following the epiphytic life pattern. Adaptations are specialized mechanisms that permit a plant or animal to live in a particular area or habitat.
L. C. De, S. S. Biswas
doaj  

Phosphoenolpyruvate Carboxykinase Assayed at Physiological Concentrations of Metal Ions Has a High Affinity for CO2 [PDF]

open access: yes, 2002
The effect of Mn2+/Mg2+ concentration on the activity of intact, homogeneous phosphoenolpyruvate carboxykinase (PEPCK) from leaves of the C4 grass, Guinea grass (Panicum maximum), have been investigated.
Acheson, R.M.   +3 more
core   +1 more source

Evidence of drought stress memory in the facultative CAM, Aptenia cordifolia: Possible role of phytohormones [PDF]

open access: yes, 2017
Although plant responses to drought stress have been studied in detail in several plant species, including CAM plants, the occurrence of stress memory and possible mechanisms for its regulation are still very poorly understood.
Fleta Soriano, Eva   +2 more
core   +1 more source

Crassulacean acid metabolism photosynthesis: ‘working the night shift’ [PDF]

open access: yesPhotosynthesis Research, 2003
Crassulacean acid metabolism (CAM) can be traced from Roman times through persons who noted a morning acid taste of some common house plants. From India in 1815, Benjamin-Heyne described a 'daily acid taste cycle' with some succulent garden plants. Recent work has shown that the nocturnally formed acid is decarboxylated during the day to become the CO ...
Clanton C, Black, C Barry, Osmond
openaire   +2 more sources

Powerful yet challenging: mechanistic niche models for predicting invasive species potential distribution under climate change

open access: yesEcography, Volume 2026, Issue 5, May 2026.
Risk assessments of invasive species present one of the most challenging applications of species distribution models (SDMs) due to the fundamental issues of distributional disequilibrium, niche changes, and truncation. Invasive species often occupy only a fraction of their potential environmental and geographic ranges, as their spatiotemporal dynamics ...
Erola Fenollosa   +4 more
wiley   +1 more source

Differential Expression, Tissue-Specific Distribution, and Posttranslational Controls of Phosphoenolpyruvate Carboxylase

open access: yesPlants, 2021
Phosphoenolpyruvate carboxylase (PEPC) is a ubiquitous cytosolic enzyme, which is crucial for plant carbon metabolism. PEPC participates in photosynthesis by catalyzing the initial fixation of atmospheric CO2 and is abundant in both C4 and crassulacean ...
Lorrenne Caburatan, Joonho Park
doaj   +1 more source

Next‐Generation Sustainable Food Production Through Integrative Biotechnology, AI, and Climate‐Resilient Innovations

open access: yesFood and Energy Security, Volume 15, Issue 3, May/June 2026.
ABSTRACT By 2050, the global population is projected to reach ~10 billion, leading to 50% increase in food demand. This growth will place immense pressure on agricultural systems that are already struggling with the impacts of climate change and resource depletion.
Chaquayla Katam   +3 more
wiley   +1 more source

CAM Models: Lessons and Implications for CAM Evolution

open access: yesFrontiers in Plant Science, 2022
The evolution of Crassulacean acid metabolism (CAM) by plants has been one of the most successful strategies in response to aridity. On the onset of climate change, expanding the use of water efficient crops and engineering higher water use efficiency ...
Asdrubal Burgos   +7 more
doaj   +1 more source

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