Sentences with word «photosynthetic»

Further evolution led to increasing diversity of photosynthetic organisms producing oxygen as a byproduct.

It turns out that in photosynthetic organisms containing multiple chromophores packed tightly together, light excitation can be shared between molecules.

TKF: Tim, I know you're interested in photosynthetic bacteria, how they process energy and grow.

In each mat a small population of photosynthetic bacteria gather energy for the rest of the community, while the spring's hot, mineral - rich water, flowing from the ground at 560 gallons a minute, provides the bacteria with other essential resources.

SAN FRANCISCO, CALIFORNIA — About 1 % of the light that strikes plants is re-emitted as a faint, fluorescent glow — a measure of photosynthetic activity.

«Ninety - five percent of the energy that life on Earth requires are fueled by photosynthetic processes,» says Klaus Schulten, a (U.I.U.C.) physics professor leading the simulation - building effort and director of the school's Theoretical and Computational Biophysics Group.

The paper «Loss of photosynthetic efficiency in the shade.

The very first photosynthetic reactions occured with a molecule known as an «indole»:

«When we look at this critical assembly protein, CGL71, it's as if we are looking back in time to the era when photosynthetic apparatus had to gradually adjust to the changing atmospheric conditions of our planet,» Grossman said.

The work is part of a growing field called optogenetics, and used light - activated proteins from photosynthetic algae to switch nerve cells on and off.

But the signals are also detectable only if the atmosphere is well oxygenated, and the only way scientists know how to make an oxygenated atmosphere is with photosynthetic life.

A major obstacle towards the development of a viable artificial photosynthetic systems for water splitting to hydrogen and oxygen, or the conversion of carbon dioxide and water to liquid fuel, involves the inefficient charge transport between light absorbers and catalysts and, in particular, between the sites of water oxidation and fuel - generating half - reactions.

Even more crustal minerals were formed by plate tectonics with the help of lubricating ocean water, atmospheric oxygen from the successful development of photosynthetic microbes, and land - based lichens (of algae and fungi) and mosses which were followed by deep - rooted plants that hastened the erosion and weathering of surface rocks with the help of biochemical action and the creation of soils as well as new clay minerals.

«If we are able to leverage technologies like genetic engineering to enhance stability of the plant photosynthetic machineries, I'm very hopeful that this technology will be competitive to traditional solar panels in the future.»

«This work homed in on the role of ferredoxin - 5 and factors critical for photosynthetic organisms to switch between daytime and nighttime metabolism,» Grossman said.

In addition to new evolutionary discoveries, the chloroplast genome can offer a deep look at important plant processes that are tightly linked to today's changing environment, such as the impacts of excessive heat and drought on photosynthetic productivity.

Crude extract was clarified from photosynthetic proteins and polyphenols that may interact with downstream applications.

The tiny fraction of it that is absorbed by photosynthetic plants maintains all living matter

We are partnering with Synthetic Genomics, Inc., led by Dr. J. Craig Venter who famously sequenced and analyzed the human genome, to research the production of biofuels from photosynthetic algae.

Remote Sensing of Life: Polarimetric Signatures of Photosynthetic Pigments as New Biomarkers, Berdyugina, S.V., Kuhn, J.R., Harrington, D.M., Santl - Temkiv, T., Messersmith, E.J., International Journal of Astrobiology, 15, 45 - 56 (2016) PDF Download

It does contain a modicum of truth, however, in that the largest volume of stromatolitic formations was likely formed by biogenic processes involving photosynthetic cyanobacteria.

Until now, computer models have been the primary tool for estimating photosynthetic productivity on a global scale.

Subsequently, some aerobic (or oxygen - breathing) protists merged with photosynthetic bacteria, which became chloroplasts and other plastids, to create free - swimming green algae and the precursors of today's plant cells.

MacDonnell also has worked on developing new photocatalysts for hydrogen generation, with the goal of creating an artificial photosynthetic system which uses solar energy to split water molecules into hydrogen and oxygen.

On land there simply wasn't enough photosynthetic capacity left to create the required amounts of biomass.]

As photosynthetic bacteria became more and more populous on ancient Earth, they changed our atmosphere's composition.

The result was about double that of net productivity, which balances photosynthetic carbon uptake in oceans with carbon released by the respiration of primary producers in the ocean.

Because leaf veins are very small and covered by photosynthetic cells rich in green chlorophyll, identifying the FT - producing cells was difficult.

The international C4 Rice Consortium is working toward introducing a higher - capacity photosynthetic mechanism — the C4 pathway — into rice to increase yield.

Without the ozone layer, ultraviolet rays from the sun would reach the surface at nearly full force, causing skin cancer and, more seriously, killing off the tiny photosynthetic plankton in the ocean that provide oxygen to the atmosphere and bolster the bottom of the food chain.

In the open seas, heavy winds and deep waters lead to a high turnover in the water column, which prevents photosynthetic microorganisms like algae from converting sunlight into energy.

Recent pulsed - laser experiments on parts of photosynthetic complexes reveal a time - resolved picture of the energy transport.

The team from Bochum is already looking for ways to optimise the «cell factories»; more specifically: the researchers are striving to improve photosynthetic electron transport.

In the case of the cyanobacterial mat - covered polygonal ponds on Bylot Island, the negative CO2 flux most likely resulted from high photosynthetic rates in the mats, and the modern dates for CH4 suggest that abundant labile compounds coming from a modern autochthonous pool could be the main C supply for microbial activity, including methanogenesis.

Researchers have found the first photosynthetic organism that lives off a light source other than the sun.

But with our planet as their guide, astrobiologists are forced to acknowledge that oxygen may be the least likely thing they will ever see — genetic evidence suggests the complex oxygen - producing photosynthetic pathway pioneered by cyanobacteria is an extraordinary evolutionary innovation that only appeared once throughout the entire multi-billion-year history of Earth's biosphere.

Because algae and other photosynthetic ocean life require phosphate to grow, removing phosphate from seawater reduced their growth.

When soil dries out, plants slow down their growth, reduce photosynthetic activity, and suffer damage to their tissues.

When photosynthetic organisms first began to generate oxygen, it was the start of a transformation of our world.

This nano - bio approach is believed to increase the breadth of the solar spectrum that is used to make energy and is expected to contribute to the development of biomimetic materials with enhanced photosynthetic activity and improved stability towards oxidative degradation.

She said: «Until now, we knew that Rubisco activation in response to fluctuating light was limiting wheat photosynthetic potential but had little idea it could be quite this important to crop productivity.»

Corals are communities of animals that have tiny photosynthetic algae living inside them in a mutually beneficial relationship.