Articles tagged with Photosynthesis
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A new study by Columbia University reveals that even as temperatures warm, light remains a major factor in limiting carbon uptake in northern high latitudes. This limitation means that these regions will not become more conducive to vegetation growth and instead release more carbon dioxide.
Researchers introduce fluorescence protein sensors into live plants to visualize dynamic changes in NADPH level and NADH/NAD+ ratio in different cell types. This allows for the study of photosynthesis and photorespiration, revealing the close connection between subcellular compartments for efficient metabolism.
A recent study published in Frontiers in Plant Science found that crops' lower leaves are less efficient due to altered light conditions, not age. This 'Achilles' heel' can cause a 10% loss of potential canopy photosynthesis gain, highlighting the importance of optimizing light environments for improved crop yields.
Researchers have identified 76 types of aquaporins in tobacco, a model plant species closely related to major crops like tomato and potato. This discovery sheds light on the functional roles of aquaporins in plants, which could lead to improved crop productivity and resilience.
Researchers have captured a molecular mechanism behind the water splitting reaction of photosynthesis using nanoscale imaging and chemical analysis. The study could help inform the design of artificial photosynthetic systems producing clean and renewable energy from sunlight and water.
Nathaniel Gabor's lab is developing a new microscopy technique to study bacterial growth in light and examine the physics of light harvesting. The project aims to gain precise control of optical excitation at the single cell level, potentially upending the current state of knowledge on light sensing in biosystems.
Scientists have developed a catalyst that directly converts carbon dioxide into formic acid using sunlight. The discovery marks a significant step towards creating an artificial photosynthesis system that efficiently converts CO2 into organic molecules.
A Max Planck research team led by Tobias Erb developed an artificial chloroplast platform capable of capturing and converting greenhouse gas carbon dioxide with light. The system, created using synthetic biology and microfluidics, outperforms previous synthetic-biological approaches in binding rates for carbon dioxide.
Researchers have successfully reengineered the Photosystem I complex to produce biohydrogen, a sustainable alternative to fossil fuels. The innovation could lead to the creation of low-cost, renewable energy platforms using sunlight and water.
Researchers from Lancaster University have successfully modified a molecular building block in wheat to activate Rubisco faster in hotter temperatures. This breakthrough could help protect crops from rising temperatures and improve global food security.
Researchers are developing innovative solutions to increase crop production under climate change conditions, including improving photosynthesis and making crops more resistant to drought. The goal is to double cereal production by 2050 to ensure global food security.
A new study from Columbia University reveals that the balance between soil water and energy availability determines whether plant growth is limited by precipitation or temperature. This finding highlights the crucial role of precipitation in supporting plant photosynthesis, particularly during the late growing season.
A study using satellite data and in-situ sensor observations found that the end date of plant photosynthesis is constrained by both temperature and water limits. As temperatures decrease, soil water demands increase to support continued vegetation growth, potentially leading to expansions of regions with limited photosynthesis.
A research team at Washington State University has identified the lipid controlling the switch in light-harvesting proteins to dissipate excess energy. This discovery could lead to optimizing photosynthesis in crops for specific environments, reducing waste and increasing food production.
Researchers discovered that when cyanobacteria cells become too crowded, they shut down photosynthesis as a defense mechanism. This phenomenon allows the cells to slow down growth and avoid rupture, providing insights into how organisms regulate this essential process.
A team of scientists has developed a nature-inspired design for artificial photosynthesis, capable of generating large sources of renewable energy using CO2. The system consists of nanoscale tubes that mimic the structure of living photosynthetic cells, allowing for efficient conversion of sunlight into fuel.
A team from the University of Illinois has developed a new method to quickly screen thousands of plants for key traits related to photosynthesis. This breakthrough technology uses hyperspectral cameras to analyze light reflected off plant surfaces and estimate trait values, allowing researchers to identify promising plants for further ...
Researchers have discovered a previously unknown signaling pathway that protects chloroplasts from damage caused by intense sunlight. This pathway, involving the protein SAFE1, suppresses light-induced programmed cell death and promotes stress tolerance in plants.
Researchers found a 117% difference in photosynthetic efficiency between rice varieties under fluctuating and constant light conditions. This suggests that natural diversity in rice could be harnessed to increase crop productivity.
A new mathematical computer model predicts that soybean crops lose up to 13% of their productivity due to minute-by-minute light fluctuations. The study aims to improve photosynthesis and equip farmers with higher-yielding crops to ensure global food security.
Researchers at Boyce Thompson Institute developed a new type of corn that recovers much more quickly after a cold snap, allowing for earlier harvests and potentially higher crop yields. This breakthrough could enable farmers to command better prices for their crops in temperate climates.
New research suggests that cleaning up ozone precursors in energy, industrial, and transportation sectors can mitigate climate change by increasing the land's ability to remove carbon dioxide through photosynthesis. This could result in a 15% increase in the size of the current land sink for carbon.
Researchers at the Institute for Basic Science have developed a new strategy to convert CO2 into oxygen and pure carbon monoxide using nanoparticles. The hybrid catalyst, made of blue titania, tungsten trioxide, and silver, shows 200 times higher performance than previous versions.
A team of researchers has uncovered the location and functions of Chl f, a newly discovered chlorophyll molecule that could improve solar cell efficiency. The study found that far-red light causes structural changes in photosystem I, leading to Chl f synthesis and enhancing up-hill energy transfer.
A new study published in Nature Plants reveals that there is no simple or universal solution to the problem of engineering plants to cope with the challenges posed by climate change. Higher levels of photoprotection may actually interfere with other mechanisms important for plant growth, and targeted adaptation is a complex task.
Researchers from Washington University in St. Louis and Argonne National Laboratory have successfully reversed the flow of electrons in a purple photosynthetic bacteria, achieving a 90% yield on the B-branch side. This breakthrough discovery sheds light on the earliest light-driven events of photosynthesis and could aid in designing bi...
Researchers characterized the light-harvesting system of Chlamydomonas reinhardtii, a common unicellular green alga. The study reveals the assembly mechanisms and energy transfer pathways of the C2S2M2L2 supercomplex, shedding light on efficient light harvesting in green algae.
Freshwater plants in lakes with high bicarbonate concentrations have higher photosynthesis yields, altering species richness and composition. This shift is expected to change underwater meadow structure and predator protection for small animals and juvenile fish.
A global study reveals that bicarbonate use among aquatic plants is linked to local geology and concentration levels. Many freshwater plants have evolved to use bicarbonate for photosynthesis due to low dissolved CO2 in water.
Researchers have solved the structure of cytochrome b6f, a protein complex that powers plant growth via photosynthesis. The discovery reveals new insights into how the complex regulates photosynthetic efficiency in response to environmental conditions.
Recent research on turbocharged crops reveals that their productivity lies in sugar sensing mechanisms regulating photosynthesis. Unlike C3 plants, C4 crops are not sensitive to high levels of sugars, suggesting a more complex feedback mechanism.
Researchers used ultrashort X-ray pulses to study Photosystem I, a large biomolecular system converting sunlight into chemical energy. This breakthrough paves the way for time-resolved studies on electron transfer in photosynthesis, with potential applications in medicine and next-generation solar energy storage.
A University of Oklahoma-led study found a significant increase in photosynthesis in the Amazon rainforest during the dry season, as measured by satellite-based solar-induced chlorophyll fluorescence. The study provides new insights into the dynamics of Amazonian photosynthesis and its impact on global atmospheric carbon concentrations.
Researchers conducted a 'Photosynthesis Olympics' study to identify the most efficient wheat varieties, finding that top performers were up to 90% better than worst ones due to genetic differences. The results have significant implications for breeders and farmers, offering potential for improved yields with reduced inputs.
A recent study published in New Phytologist identified opportunities to boost cassava yields by optimizing photosynthesis. Researchers found that cassava's stomata limit photosynthesis during light transitions, and increasing the speed of these pores could increase yield potential by up to 6%.
Researchers found that two Sphagnum species in the Le Forbonnet peatland can survive extreme temperatures and droughts. This suggests that preserving peatlands is crucial for mitigating climate change.
A team of researchers directly observed charge transfer and intermolecular interactions in artificial photosynthesis on a picosecond scale. They used time-resolved attenuated total reflection spectroscopy in the terahertz region to reveal the process, which involves rhenium complexes and Triethanolamine solvent.
Researchers have found a way to accelerate the photosynthetic process by producing more of a protein that controls electron flow, potentially leading to increased crop production. The discovery is significant because C4 crops, such as maize and sorghum, play a crucial role in world agriculture.
Researchers from Louisiana State University have made a groundbreaking discovery in the process of photosynthesis, shedding light on a long-standing puzzle. The study reveals three transport proteins that facilitate the movement of bicarbonate into the compartment where Rubisco resides, a crucial step in carbon dioxide fixation. This b...
Forest water-use efficiency has been increasing globally, with trees conserving water through elevated CO2 levels. Photosynthesis is the primary driver of this increase, while stomatal conductance reduction is limited to drier forests.
Researchers found similar structures in rare bacteria and modern cyanobacteria, suggesting the process is older than thought. This challenges the traditional view that oxygenic photosynthesis evolved from anoxygenic photosynthesis a billion years ago.
Multicellular cyanobacteria have developed cell junctions that allow for the exchange of nutrients and messengers across cell boundaries. The channels are composed of a protein tube sealed with a plug at both ends, and have a five-armed protein structure similar to a camera aperture.
A new computer model simulates stomatal movements in response to light, enabling scientists to predict crop yields and climate change effects. The model has the potential to create virtual plants for more accurate predictions, improving food productivity sustainably.
Research reveals sagebrush's response to 2017 solar eclipse showed significant reductions in photosynthesis and transpiration. The study also found that the circadian rhythm was interrupted by sudden changes in sunlight, triggering a response beyond what happens when clouds block sunlight.
Researchers have developed a large interactive stability map of ternary nitrides, predicting 244 new stable compounds. Artificial photosynthesis has also been improved by controlling cobalt oxide catalysts. Additionally, atomically thin semiconductors called TMDCs have shown a quantum yield of 100% when treated with an electrical voltage.
Researchers linked seasonal photosynthesis cycles to solar-induced fluorescence in evergreen forests, enabling large-scale monitoring of carbon dioxide uptake. The study found that fluctuations in photoprotective pigments affect both photosynthesis and fluorescence, providing a proxy for forest activity.
Researchers use satellite-based fluorescence measurements to track photosynthesis and monitor forest health. Chlorophyll fluorescence emission closely tracks photosynthetic activity in evergreen forests, providing insights into large-scale forest dynamics.
Researchers discovered how plant cells shield themselves from excessive reactive oxygen molecules that can cause cellular damage. By diverting these reactivity into other processes, plants minimize self-inflicted harm, which could help scientists engineer crops with improved yields.
Researchers at the University of Illinois have developed an artificial process that converts carbon dioxide into fuel using visible light and electron-rich gold nanoparticles. The new process produces complex, liquefiable hydrocarbons from excess CO2 and sunlight, paving the way for green energy technology.
Scientists have developed a new technology that can measure improvements in plant photosynthesis in just 10 seconds, allowing for more efficient analysis of genetically engineered crops. This breakthrough enables faster screening and pinpointing of traits that could greatly improve crop performance.
Researchers from the University of Helsinki developed a new method to measure chlorophyll fluorescence in trees, revealing information on plant performance and structure. The technique uses LED technology to light up the forest at night, allowing for easier interpretation of data.
Cyanobacteria utilize a new photosensor regulating yellow-green light-harvesting antenna protein for photosynthesis. The discovery was made by researchers at Toyohashi University of Technology and found that the photosensor emerged about 2.1 billion years ago through genetic exchange between cyanobacteria.
Scientists from Johannes Gutenberg University Mainz and Rice University have discovered that the chemical nature of surface molecules affects plasmon resonance in metal nanoparticles. This finding could lead to new methods for harnessing light-driven processes like photocatalysis.
A team of researchers at Arizona State University has made significant progress in optimizing artificial photosynthesis systems that mimic the first stage of photosynthesis. They have developed a way to use DNA to self-assemble structures that capture and transfer energy over long distances with high efficiency.
A team of scientists has developed a dynamic model that predicts which photosynthetic manipulations will boost wheat and sorghum crop yields. The study found that enhancing photosynthesis can increase or decrease crop yield depending on environmental conditions.
A new species of coral-dwelling parasite has been discovered, producing chlorophyll but not engaging in photosynthesis. The finding raises questions about the evolution and biology of this organism, which may hold clues to protecting coral reefs.
Researchers have developed a new method to speed up stomatal response in plants, improving photosynthetic efficiency and water use. The optogenetically enhanced plants produce more biomass than expected under fluctuating light conditions.
Researchers identify genomic regions affecting radiation use efficiency and biomass accumulation in spring wheat, providing a crucial resource for scientists and breeders. The study aims to increase wheat yield potential without sacrificing grain yield, addressing the challenge of sustainingably feeding a growing population.
A new library of Chlamydomonas mutants has enabled scientists to discover nearly 300 genes essential for photosynthesis, a process that produces oxygen and fuels life on Earth. This breakthrough highlights the vast knowledge gap in understanding the genetic mechanisms behind this fundamental process.
A team of researchers at Princeton University has constructed a public library to help understand the role of genes in photosynthesis. The library consists of thousands of mutant strains of single-celled algae, which were used to identify 303 genes associated with photosynthesis, including 21 newly discovered genes.