Articles tagged with Photosynthesis
A team of researchers at Australian National University has successfully replicated a crucial step in photosynthesis, paving the way for biological systems powered by sunlight to manufacture hydrogen as a fuel. This breakthrough could lead to the creation of a zero-carbon replacement for petroleum products and transform the economy.
Researchers at Purdue University are using spinach to study photosynthesis and convert sunlight into a clean, efficient alternative fuel. The team has made significant breakthroughs in understanding the protein complex responsible for this process, which could lead to the creation of artificial photosynthesis.
Scientists observe electrons jumping between molecular fragments up to a distance of about 20 Ångström, marking the transition from molecular to atomic regimes. The study provides insights into charge transfer mechanisms that play a role in numerous chemical processes, including photosynthesis and solar cells.
Biophysics researchers at the University of Michigan have identified specific molecular vibrations that help enable charge separation in photosynthesis, a process that converts sunlight into chemical energy. The findings could lead to more efficient solar cells and energy storage systems.
Scientists successfully visualize crucial event in photosynthetic reaction, enabling study of protein complex that splits water. This breakthrough uses free-electron laser technique to collect data at room temperature.
Researchers captured the first molecular-level images of photosynthesis, revealing how water is split into oxygen and hydrogen. The breakthrough could lead to the development of artificial systems that mimic and surpass the efficiency of natural photosynthesis.
An international team recorded still frames of photosystem II as it splits water into hydrogen and oxygen, revealing large conformational changes and overall structure alterations. The study paves the way for optimizing catalytic reactions and creating molecular movies of biochemical processes.
A UNSW Australia-led team found a class of cryptophytes where quantum coherence is switched off due to genetic mutations, allowing them to thrive in low-light conditions. This discovery could lead to technological advances in organic solar cells and quantum-based electronic devices.
Researchers at University of Southampton have developed a new hybrid energy transfer system that mimics the processes responsible for photosynthesis. The system enables efficient energy transfer over long distances, with potential applications in optoelectronic devices and synthetic systems.
A team developed a sophisticated tool to characterize the functions of genes in Chlamydomonas reinhardtii, a key subject for photosynthesis research. This breakthrough enables large-scale genetic analysis of the organism's mutants, leading to better understanding of cellular processes and potential applications in biofuel development.
Researchers at Umea University found that bicarbonate has a regulatory function in the splitting of water in photosynthesis. This discovery opens up a new research field investigating the biological and ecological consequences of the dual role of carbon dioxide.
The new Research Unit will analyze the assembly of thylakoids using a systematic approach to understand the molecular details of the photosynthetic process. Thylakoids are specialized membrane systems found in some bacterial species and plant cells that capture sunlight and convert it into chemical energy.
Researchers have developed a new approach to measuring photosynthetic activity using satellite technology, providing direct observations of photosynthesis on a large scale for the first time. The study reveals that previous model-based estimates are too low and provides a tool to assess production in various regions.
A team of researchers used a computer model to simulate the effects of adding genes from cyanobacteria on photosynthetic efficiency in crops. They found that certain genes enhanced, while others hindered photosynthesis. The study suggests potential for a 60% increase in efficiency and a 40% boost in yields.
A unique South African plant, Lithops, has been found to adapt to extreme conditions by optimizing its photosynthesis and water loss. Researchers discovered local differences in surface adaptations and physiological mechanisms that allow the plant to thrive in dry environments.
Plants have a 24-hour circadian rhythm that allows them to measure time and adjust their biology accordingly. Researchers found that sugar production plays a key role in regulating this internal clock.
Researchers have uncovered tiny changes in plants' physiology that enable advanced photosynthesis, allowing for increased growth rate and water efficiency. This knowledge could be used to breed faster-growing, drought-resistant crops like rice.
Boston College chemists develop unique photoanodes and photocathodes using hematite and nickel iron oxide to achieve a 50% increase in photovoltage. This breakthrough brings researchers closer to harnessing artificial photosynthesis for efficient solar energy storage.
Researchers at Oxford University Press UK identified the tannosome organelle, responsible for producing complex chemicals used in plant defense and protection. This discovery sheds light on the synthesis of tannins, a key component in making tea and red wine taste their distinctive way.
A Dartmouth-led team has identified a group of stress-related proteins in plants that help them avoid sunburn in intense light. These findings could lead to the development of crops with increased protection from bright light and enhanced photosynthesis rates.
A team of scientists identified a protein that induces membrane curvature in thylakoids, enabling the formation of stacks. The CURT1 protein enhances photosynthesis efficiency by increasing the degree of stacking and potentially boosting crop yields.
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 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 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 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 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.
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.
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.
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.
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 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.