Articles tagged with Photosynthesis
Researchers have directly observed quantum effects on energy transfer in photosynthesis, discovering coherence is responsible for maintaining transport efficiency and adaptability. This discovery raises questions about the evolution of quantum effects and potential applications in developing more efficient solar cells.
Researchers have developed a fully integrated microfluidic test-bed to evaluate and optimize solar-driven electrochemical energy conversion systems. The system has been used to study schemes for photovoltaic electrolysis of water and can be adapted to study artificial photosynthesis and fuel cell technologies.
Scientists have developed an artificial forest of semiconductor light absorbers, interfacial layers, and co-catalysts to mimic natural photosynthesis. The system achieved a 0.12-percent solar-to-fuel conversion efficiency, but further improvements are needed for commercial use.
A new study by Brown University researchers found that fat leaves evolved a three-dimensional vein structure to store water and sustain efficient photosynthesis. This evolution allowed leaves to become thicker without compromising hydraulic performance, enabling plants like succulents to thrive in arid conditions.
Caltech chemists have explained one of the remaining mysteries of photosynthesis, the chemical process by which plants convert sunlight into usable energy and generate oxygen. The discovery provides a new way of approaching the design of catalysts that drive water-splitting reactions in artificial photosynthesis.
Researchers at SISSA have simulated a catalyst that mimics nature's process of producing 'green' fuel from sunlight. The study, published in Proceedings of the National Academy of Sciences, uses Ru4-POM to oxidize water and produce hydrogen, paving the way for cost-effective and efficient energy storage.
Researchers break evolutionary compartmentalization by relocating metabolic pathways to chloroplasts, enabling light-driven synthesis of natural chemicals. This advancement unlocks the production of bioactive chemicals and other valuable compounds.
Researchers used an X-ray laser to study the structure and chemical behavior of a natural catalyst involved in photosynthesis. The breakthrough, made possible by ultrafast and ultrabright X-ray pulses, provides insights into atomic-scale transformations in photosynthesis and other biological processes.
A new 'scarecrow' gene has been found that controls a unique leaf structure, leading to more efficient photosynthesis. This discovery could lead to new varieties of staple crops with significantly higher yields through genetic engineering.
A team of researchers at Ludwig-Maximilians-Universität München has identified an old acquaintance as the missing link in regulating electron transport during photosynthesis. The enzyme, PGRL1, plays a central role in the regulation of cyclic electron flow and may help improve photosynthetic performance.
The University of Illinois has received a five-year, $25-million grant to boost the efficiency of key food crops like rice and cassava through improved photosynthesis. This project aims to increase crop productivity while reducing water and nitrogen usage, addressing the challenge of global food security.
Scientists have discovered that microscopic protozoa stole genes from algae to produce energy, leading to the evolution of a new species. This process, called endosymbiosis, reveals a key moment in the history of life on Earth and may have implications for algae biofuel production.
Researchers have identified a gene that regulates chloroplast development through the ubiquitin-proteasome system, potentially unlocking control over fruit ripening in crops. The discovery may enable manipulation of chloroplast functions to improve crop yields and reduce food waste.
A multi-institutional research project aims to develop water-use efficient biofuel crops by altering the photosynthesis process of plants. The goal is to produce biomass that can be readily converted to biofuels while minimizing competition with food crops.
A new study found that grasses coated with latex paints show a notable reduction in photosynthesis. The researchers discovered that red paint is more damaging to total canopy photosynthesis (TCP) than white paint, while diluting each color with water reduces their negative effects.
Researchers at Boston College have successfully harnessed the power of sunlight to synthesize basic compounds of pain-killing drugs using silicon nanowires. The process offers high selectivity required to produce complex organic intermediaries, differing from earlier attempts to harness carbon dioxide with sunlight.
Researchers used ultrafast spectroscopy to study the initial stage of photosynthesis, observing a single photon exciting different chromophores simultaneously. This discovery hints at more efficient natural light-harvesting processes, potentially influencing efforts to create artificial materials and devices.
A team led by Rutgers University professor Debashish Bhattacharya has sequenced the genome of Cyanophora paradoxa, a one-celled alga that shed light on the evolution of photosynthesis. The study reveals that all plastids trace their origin to a single primary endosymbiosis, approximately 1.6 billion years ago.
Researchers are developing an artificial 'leaf' that can convert sunlight into liquid fuel, and optimizing natural photosynthesis through enzyme engineering. The goal is to improve crop yields and create a sustainable carbon-neutral economy.
Researchers discover genes passed from plant to plant between species with distant kinship, contributing to the evolution of C4 photosynthesis. This 'lateral gene transfer' allows plants to adapt to new environments by taking genes from others.
Researchers at Lawrence Berkeley National Laboratory presented advancements in artificial photosynthesis, CAT scans for biological cells, and diagnostic microscopy with a cell phone. These discoveries aim to improve our understanding of quantum mechanics, analyze cellular structures, and develop new diagnostic tools for cancer patients.
Researchers are tapping into photosynthesis to efficiently produce highly valuable products, including biofuels and pharmaceuticals. This innovative approach could lead to a more sustainable future by utilizing sunlight as a renewable energy source.
A team of researchers led by Michigan State University has discovered an overachieving plant enzyme that can work both day and night shifts. This enzyme, ATP synthase, was found to have a new function when one of its protein building blocks is changed, allowing it to transport energy in the roots at night.
A new grass family tree reveals that the C4 photosynthetic pathway has evolved in grasses over 20 times within the last 30 million years. The study suggests that once C4 evolution occurs, it's unlikely to reverse, making scientists interested in engineering this pathway into drought-tolerant crops.
Researchers found that trees can increase their carbon intake during cloudy conditions due to even light distribution among leaves. This process helps forests maintain high productivity despite reduced sunlight.
The conference, 'At the Interface of Natural and Artificial Photosynthesis,' brought together researchers from academia, government, and industry to discuss innovative solar technology based on nature's perfect green machines. The research focuses on replicating photosynthesis' power to create efficient and cost-effective bio-inspired ...
Researchers at Michigan State University have discovered a new gene, Clumped Chloroplasts (CLMP1), which plays a key role in chloroplast separation and division. The discovery could lead to improvements in crop yields and efficiency through breeding and genetic manipulation.
Researchers at the University of Illinois have successfully created a catalyst that converts carbon dioxide into fuel using artificial photosynthesis. The innovation uses an ionic liquid to reduce energy requirements, making it more efficient.
Researchers aim to overcome fundamental limitations of photosynthesis by improving light capture, sugar production, and molecular structure. Successful projects could lead to significant increases in crop yields for food and bioenergy crops.
Researchers have discovered a way to create molecular 'circuitry' that can capture, direct, regulate and amplify raw solar energy. By leveraging the collective quantum properties of natural light-harvesting systems, scientists can design efficient antennas that transfer energy quickly and regulatedly.
Researchers have identified key areas for improving artificial photosynthesis, including developing chromophores with large absorption strengths and studying the role of quantum coherence. The goal is to create an efficient and sustainable energy source that can be produced on a commercial scale within the next 20 years.
A new model predicts which cyanobacterial genes are central to capturing energy from sunlight and other critical processes. The model identifies key bottleneck genes that control the expression of essential proteins.
A study published in Science compares the energy conversion efficiency of photosynthesis and photovoltaics, finding that artificial systems can outperform natural ones. The researchers suggest reengineering photosynthesis to improve its ability to meet human energy needs through synthetic biology and technology.
Researchers assembled a team to investigate the efficiency of photosynthesis and solar cells. They found that plants are approximately 1% efficient in converting sunlight into energy, while photovoltaic arrays can achieve up to 10% efficiency.
Researchers at Arizona State University and the UK have created a platform using biological nanowires to funnel excess energy from photosynthesis directly into fuel production. This innovation aims to increase the efficiency of photosynthesis, enabling the production of sustainable bioenergy.
Scientists have developed the first practical artificial leaf that can mimic photosynthesis, converting sunlight and water into electricity. The device is made of inexpensive materials and works stably, with the potential to provide affordable power for homes in developing countries.
A Penn State materials chemist has developed an artificial system that mimics photosynthesis to produce solar-derived hydrogen fuel. However, the process remains inefficient and expensive due to recombination of electrons and limited lifetime of the system. The researcher aims to improve efficiency by modeling energy pathways and adjus...
Scientists at Boyce Thompson Institute have used RNAseq to track gene expression in maize leaves, revealing that entire suites of genes are turned on and off as the leaf develops. The study provides an unprecedented view of the genetic circuitry of the leaf and has significant implications for agriculture and bioenergy.
A newly discovered protein, PAM68, is essential for the assembly of Photosystem II in green plants and cyanobacteria. The protein's unique function highlights common features between plant and bacterial photosynthesis.
Researchers at Tel Aviv University found dew essential for plant growth in semi-arid zones like the Eastern Mediterranean. Dew provides moisture to plant leaves, enabling photosynthesis and growth during early morning hours.
Researchers discovered that Venus flytraps convert sugars into carbon dioxide and energy to power their traps, contradicting the idea of passive plants. The plants' digestive process provides a means to capture prey, allowing them to thrive in nutrient-poor environments.
A multidisciplinary team of scientists led by California Institute of Technology will receive funding to develop an integrated solar energy-to-chemical fuel conversion system. The goal is to produce fuels directly from sunlight, reducing dependence on oil and enhancing energy security.
Researchers link bacterial spacing to photosynthesis, providing new insights into ancient fossils and the evolution of life. By studying microbial mats, they discovered a consistent one-centimeter spacing that records the maximum distance bacteria can compete for nutrients.
Berkeley scientists have identified quantum entanglement as a natural feature of photosynthesis, enabling efficient energy harvesting and transfer. This discovery holds implications for the development of artificial photosynthesis systems and quantum-based technologies.
Scientists at the University of Gothenburg have successfully photographed the movement of atoms during photosynthesis, revealing a temporary storage of light energy before chemical bonds form. The breakthrough could lead to more efficient solar panels by mimicking photosynthesis' sophisticated energy conversion process.
BBSRC and NSF announce an intensive workshop, Ideas Lab, to foster new ideas and collaborations on novel biochemical mechanisms for enhanced photosynthesis. The collaboration aims to bring about significant increases in biomass, boosting crop yields and meeting global food and energy security challenges.
Researchers at Arizona State University and Max Planck Institute have discovered how light initiates electron transfer in the photosystem I reaction center. This breakthrough could lead to the development of more efficient artificial photosynthetic devices, providing a clean source of renewable fuel.
Researchers identified a phosphatase enzyme that removes phosphate from LHCII proteins, allowing for the balance of light energy between two photosystems. This discovery has practical implications for improving plant growth and potentially reducing energy bills.
Researchers are studying phototrophic extremophiles to understand the evolution of oxygen-evolving high-energy photosynthesis. The study aims to illuminate gaps in genetic data and explore astrobiology connections, potentially revealing clues about extraterrestrial life.
Researchers from UT Knoxville and Oak Ridge National Laboratory have discovered a way to harness algae's solar conversion abilities to create clean fuel. By using a thermophilic blue-green algae and a platinum catalyst, they can sustain the reaction at high temperatures, producing a steady supply of hydrogen.
A new study investigates the effects of light intensity on pecan leaves throughout the growing season. The research found that shade leaves are less effective in assimilating CO2 than sun leaves, but maintain late-season photosynthetic capacity. This discovery may help commercial growers develop new canopy and crop management practices.
Research found that light and photosynthesis aid in bacterial internalization within lettuce leaves. This makes the bacteria impervious to washing and food sanitizers. The study suggests that the increased internalization is due to open stomata allowing nutrient uptake during photosynthesis.
A new research programme, Towards Biosolar Cells, aims to increase photosynthetic efficiency and produce fuels from sunlight. The project will combine natural and technological components to create solar collectors that supply fuel.
A study published in Ecology Letters reveals that plants' circadian clocks can improve climate change scenarios by accurately predicting CO2 levels and photosynthesis. The internal clock enables plants to adapt to their environment, surviving and reproducing more efficiently.
Researchers found that zinc-coordinated reaction centers have similar physical and chemical properties to magnesium-containing reaction centers. This discovery enables a deeper understanding of photosynthesis structure, function, and evolution.
Microbes adapted to manipulate sulfur and iron compounds to survive in the absence of photosynthesis. The discovery provides insights into the origins of life on Earth and offers a unique laboratory for studying life in hostile environments.
Researchers have created a nano-sized cobalt oxide photocatalyst that can effectively split water molecules, a critical step towards producing liquid fuels from carbon dioxide and water. The clusters are sufficiently efficient and fast, making them suitable for artificial photosynthesis.
A new, higher-yielding rice plant is being developed through a global consortium of scientists, which aims to increase yields by 50% while reducing fertilizer and water usage. The project has received a $11 million grant from the Bill & Melinda Gates Foundation and has the potential to benefit billions of poor people worldwide.
Scientists at the University of California, Berkeley have developed a method to genetically modify microalgae to produce hydrogen and hydrocarbons instead of sugar molecules. This modification allows for more efficient use of sunlight in the photosynthesis process, making it a potential alternative to traditional biofuels.
Hybrid plants exhibit increased growth and biomass due to the increased expression of genes involved in photosynthesis and starch metabolism during the day. This connection between circadian clock regulators and growth vigor could lead to new methods for increasing biomass crops for biofuels and improving food yields.