Photosynthesis Current Events

Photosynthesis Current Events, Photosynthesis News Articles.
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Strange bacteria hint at ancient origin of photosynthesis
Structures inside rare bacteria are similar to those that power photosynthesis in plants today, suggesting the process is older than assumed. (2019-07-25)

Photosynthesis more ancient than thought, and most living things could do it
Most modern bacteria descended from ancestors who could convert the Sun's energy to fuel more than 3.5 billion years ago. (2016-03-15)

The late evolutionary event that gave rise to modern life
The emergence of oxygen-producing bacteria more than two billion years ago gave rise to life as we know it today, and now a new study reveals that this happening might have occurred multiple times. (2017-03-30)

Too much sugar doesn't put the brakes on turbocharged crops
Plants make sugars to form leaves to grow and produce grains and fruits through the process of photosynthesis, but sugar accumulation can also slow down photosynthesis. Researching how sugars in plants control photosynthesis is therefore an important part of finding new ways of improving crop production. Recent research into highly productive turbocharged crops such as maize and sorghum, show the secret to their productivity could lie in their sugar-sensing responses which regulate photosynthesis inside their leaves. (2019-11-11)

Future increase in plant photosynthesis revealed by seasonal carbon dioxide cycle
Doubling of the carbon dioxide concentration will cause global plant photosynthesis to increase by about one-third, according to a paper published in the journal Nature. (2016-10-03)

Research to help develop next-generation food crops
Research led by The Australian National University is helping to develop food crops with bigger yields and greater ability to cope with drought compared with today's plants. (2016-10-14)

Scientists discover first organism with chlorophyll genes that doesn't photosynthesize
For the first time scientists have found an organism that can produce chlorophyll but does not engage in photosynthesis. The peculiar organism is dubbed 'corallicolid' because it is found in 70 per cent of corals around the world and may provide clues as to how to protect coral reefs in the future. (2019-04-03)

Mechanism for photosynthesis already existed in primeval microbe
A Japanese research team has discovered an evolutionary model for the biological function that creates CO2 from glucose in photosynthesis. They found the mechanism in a primitive, non-photosynthesizing microbe. (2017-01-31)

How plants bind their green pigment chlorophyll
Water-soluble protein helps to understand the photosynthetic apparatus. (2018-10-18)

Oxygen could have been available to life as early as 3.5 billion years ago
Microbes could have performed oxygen-producing photosynthesis at least one billion years earlier in the history of the Earth than previously thought. (2018-11-27)

How do plants rest photosynthetic activity at night?
Scientists at Tokyo Institute of Technology have identified two proteins that allow plants to respond to changes in surrounding light conditions and thereby make photosynthesis more efficient. (2018-08-16)

Discovery of a bottleneck relief in photosynthesis may have a major impact on food crops
Scientists have found how to relieve a bottleneck in the process by which plants transform sunlight into food, which may lead to an increase in crop production. They discovered that producing more of a protein that controls the rate in which electrons flow during photosynthesis, accelerates the whole process. (2019-08-16)

Hydrogen peroxide protects plants against sun damage
Plants use hydrogen peroxide (H2O2) -- best known for use in bleach and hair treatments -- to control how their cells react to varying levels of light, new research shows. (2017-06-29)

New technique will accelerate genetic characterization of photosynthesis
Photosynthesis provides fixed carbon and energy for nearly all life on Earth, yet many aspects of this fascinating process remain mysterious. We do not know the full list of the parts of the molecular machines that perform photosynthesis in any organism. A team developed a highly sophisticated tool that will transform the work of plant geneticists on this subject. (2014-04-15)

Making hydrogen fuel from water and visible light highly efficient
Michigan Tech researchers have streamlined a method to improve the splitting water into hydrogen molecules using visible light. Their work paves the way for more sustainable hydrogen fuels. (2015-08-20)

Unique close-up of the dynamics of photosynthesis
Researchers at the University of Gothenburg, Sweden, have managed, with the help of an advanced X-ray flash, to photograph the movement of atoms during photosynthesis -- an achievement that has been recognized by the journal Science. (2010-05-09)

New type of photosynthesis discovered
The discovery changes our understanding of the basic mechanism of photosynthesis and should rewrite the textbooks. It will also tailor the way we hunt for alien life and provide insights into how we could engineer more efficient crops that take advantage of longer wavelengths of light. (2018-06-14)

Photosynthesis olympics: can the best wheat varieties be even better?
Scientists have put elite wheat varieties through a sort of 'Photosynthesis Olympics' to find which varieties have the best performing photosynthesis. This could ultimately help grain growers to get more yield for less inputs in the farm. (2019-10-17)

Peatlands trap CO2, even during droughts
French scientists studied the two species of moss that make up the peatland. They discovered that in hot weather and drought conditions, one species resists, whereas the other is negatively impacted. In wet weather conditions the opposite takes place. Peatland however survives in the end. Although peatlands make up only 3% of the Earth's surface, they store one third of CO2 present in soil. Preserving peatlands would therefore limit the impact of future climate change. (2019-09-17)

Photosystem I -- An Intermediate Step -- May Not Be Necessary For Plants
According to a new study reported today (July 19), scientists may have to rethink some aspects of how photosynthesis works. (1996-07-19)

A red future for improving crop production?
Researchers have found a way to engineer more efficient versions of the plant enzyme Rubisco by using a red-algae-like Rubisco from a bacterium. For 50 years scientists have strived to boost the activity of Rubisco, a promising target to increase crop production, as it controls how much and how fast plants fix carbon dioxide from the atmosphere into sugars and energy during photosynthesis. (2020-09-28)

Can photosynthesis be measured over large areas? MBL, Brown U. scientists find a way
By mounting cameras and spectral sensors over a forest canopy in central Massachusetts, scientists have developed an innovative system to measure plant photosynthesis over large areas, such as acres of crops or trees, using information on solar-induced fluorescence in the leaves. The system, which can monitor plant growth and several other ecosystem changes, was developed by a team led by Marine Biological Laboratory and Brown University scientists. It is described in a recent paper in Geophysical Research Letters. (2015-04-29)

Leaf quality drives forests' ability to absorb carbon
Leaf quality, rather than leaf abundance, drives seasonal fluxes of carbon dioxide in tropical regions, a new study reveals. These findings may help explain why previous observations of forest carbon cycles have been so disparate. (2016-02-25)

Energy from sunlight: Further steps towards artificial photosynthesis
Chemists from the universities of Basel and Zurich in Switzerland have come one step closer to generating energy from sunlight: for the first time, they were able to reproduce one of the crucial phases of natural photosynthesis with artificial molecules. Their results have been published by the journal Angewandte Chemie (international edition). (2016-06-24)

Getting to the origins of photosynthesis
Cardona et al., in the advanced online edition of Molecular Biology and Evolution, examined the evolution origins of the D1 protein in cyanobacteria, which forms the heart of Photosystem II, the oxygen-evolving machine of photosynthesis. Now, the evolution of biological water oxidation can be addressed experimentally. (2015-03-10)

Mathematical study of photosynthesis clears the path to developing new super-crops
Study results could lead to super-crops such as faster growing, drought-resistant rice. (2013-10-17)

DTU researchers film protein quake for the first time
One of nature's mysteries is how plants survive impact by the huge amounts of energy contained in the sun's rays, while using this energy for photosynthesis. The hypothesis is that the light-absorbing proteins in the plant's blades quickly dissipate the energy throughout the entire protein molecule through so-called protein quakes. Researchers at DTU Physics have now managed to successfully 'film' this process. (2014-08-27)

Back to the future: new study could lead to bumper crops
Research led by scientists at The Australian National University (ANU) could lead to major improvements in crop production. The study shows a new way to help study and ramp up photosynthesis. (2020-07-14)

Team models photosynthesis and finds room for improvement
Teaching crop plants to concentrate carbon dioxide in their leaves could increase photosynthetic efficiency by 60 percent and yields by as much as 40 percent, researchers report in a new study. The team used a computer model to simulate how adding genes from algae known as cyanobacteria might influence photosynthetic efficiency in plants. (2014-03-03)

How plants are working hard for the planet
As the planet warms, plants are working to slow the effect of human-caused climate change -- and research published today in Trends in Plant Science has assessed how plants are responding to increasing carbon dioxide (CO2). (2019-05-16)

Circadian clock discovery could help boost water efficiency in food plants
A discovery by Texas A&M AgriLife Research scientists in Dallas provides new insights about the biological or circadian clock, how it regulates high water-use efficiency in some plants, and how others, including food plants, might be improved for the same efficiency. (2017-11-07)

Sulfide-sensing mechanisms in purple bacteria
Scientists at Tokyo Institute of Technology uncover a sulfide-responsive protein that helps control photosynthesis in the purple bacterium Rhodobacter capsulatus. (2017-02-13)

RUB researchers use cyanobacteria for the production of chemicals
In order to manufacture chemical products in the industry, a high energy input is required, which consumes mainly our fossil resources. At RUB, two scientists are researching into a resource-efficient and, consequently, sustainable approach. (2016-03-31)

Enzymes with the potential to increase wheat yields
Wheat yields could be significantly increased thanks to varieties with a superior form of a common enzyme, according to new research. (2016-01-28)

Water and sunlight the formula for sustainable fuel
An Australian National University team has successfully replicated one of the crucial steps in photosynthesis, opening the way for biological systems powered by sunlight which could manufacture hydrogen as a fuel. (2014-08-20)

New markers of climate change
Epiphytes (plants without roots) are being investigated for their use as markers of climate change in rainforests. Monica Mejia-Chang from Cambridge University, UK, will present her research on how changes in photosynthesis and water evaporation in these plants could indicate the effects of climate change over the past 50 years. (2005-07-12)

A window into evolution
The C4 cycle supercharges photosynthesis and evolved independently more than 62 times. Using constraint-based modelling, researchers successfully investigated which factors contributed to the evolution of the C4 trait. The study was a joint project of the Bielefeld University and the IPK in Gatersleben. Findings were published in eLife. (2019-12-03)

Reaction previously believed detrimental for photosynthesis proves to be beneficial
Finnish researchers have demonstrated that photoinhibition of photosystem I, which reduces the effectiveness of photosynthesis, is actually a plant's self-defense mechanism against more extensive harm. The research was funded by the Academy of Finland. (2016-03-24)

Take two!
All life on earth depends on photosynthesis, a process in which light energy is used to build organic substances. When the amount and proportion of light changes, a plant has to adapt; we distinguish between three different kinds of adaptation. (2005-10-19)

Scientists unravel ancient evolutionary history of photosynthesis
The origin of photosynthesis in green plants, on which all life on Earth depends for food and oxygen, has been a longstanding problem. By analyzing the genes of all species of photosynthetic bacteria, Indiana University biologists have unraveled the evolutionary history of photosynthesis. (2000-09-06)

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