Sentences with phrase «on photosynthetic»

The bottom line «carbon balance» of a tree depends on both photosynthetic uptake and respiratory losses, and it is almost certainly the case that those losses (which were not seen by the satellite) increased under the hotter and drier conditions of the drought as well.

This is as opposed to direct effects of TL on photosynthetic metabolism.

Phytophillic is a curated program of contemporary video art and archival footage focusing on the photosynthetic among us.

Unlike shallow - water corals, which rely on photosynthetic algae and sunlight to grow, deep - sea corals get energy from filtering organic material that falls from the surface.

Corals release their eggs and sperm based on photosynthetic cues provided by moonlight.

The pioneering research was performed on a photosynthetic LH1 - RC complex from the bacterium Blastochloris viridis, which can harvest and use light at wavelengths over 1,000 nm.

Not exact matches

Listening to how projected sound reverberates through kelp beds allows scientists to eavesdrop on environmental factors such as water temperature and photosynthetic activity, bioacoustician Jean - Pierre Hermand reported June 28 at a meeting of the Acoustical Society of...

Listening to how projected sound reverberates through kelp beds allows scientists to eavesdrop on environmental factors such as water temperature and photosynthetic activity, bioacoustician Jean - Pierre Hermand reported June 28 at a meeting of the Acoustical Society of America.

As a graduate student working on the mechanisms of photosynthetic enzymes, my Ph.D. advisor and I pondered how to increase plant productivity through genetic engineering.

To make their discovery, Rust and his colleagues had to separate metabolism from light exposure, and they did this by using a synthetic biology approach to make photosynthetic bacteria capable of living on sugar rather than sunlight.

Chemical analysis of even older rocks suggests that photosynthetic organisms were already well established on Earth by 3.7 billion years ago.

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

If phototrophs keep their photosynthetic apparatus for landing, the red - edge position of the land surface on M - dwarf planets show just like as on the Earth, at the initial stage of land vegetation.

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.

Photosynthetic chromatophores are bubbles of liquid that form on the membranes of bacteria that harness sunlight, carbon dioxide and water to produce the energy needed for respiration and other functions.

Less than a micrometer in diameter, it's the most abundant photosynthetic organism on Earth, taking up carbon dioxide and releasing oxygen.

New work from a team including Carnegie's Mark Heinnickel, Wenqiang Yang, and Arthur Grossman identified a protein needed for assembling the photosynthetic apparatus that may help us understand the history of photosynthesis back in the early days of life on Earth, a time when oxygen was not abundant in the atmosphere.

The question of how photosynthetic efficiency is maintained affects plants on which humans depend, including crops and even forests, so answering this question has practical implications for improving agricultural productivity.

Meyer, a chemist at University of North Carolina at Chapel Hill and director of its Energy Frontier Research Center in Solar Fuels, noticed that two separate groups of researchers working on two separate parts of the photosynthetic reaction happened to be using the same class of catalyst — ones with an atom of the metal ruthenium surrounded by organic molecules.

«Because these plants are photosynthetic, it's not surprising to find that as the amount of sea ice cover declined, the amount of [photosynthesis] increased,» says biological oceanographer Kevin Arrigo of Stanford University's School of Earth Sciences, who led an effort to use the MODIS (Moderate Resolution Imaging Spectroradiometer) devices on NASA's Terra and Aqua satellites to determine changes in phytoplankton growth.

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.

Using high - performance computing and genetic engineering to boost the photosynthetic efficiency of plants offers the best hope of increasing crop yields enough to feed a planet expected to have 9.5 billion people on it by 2050, researchers report in the journal Cell.

Ozone, which protects us from harmful ultraviolet radiation here on Earth, forms when oxygen produced by photosynthetic organisms (like trees and phytoplankton) synthesizes in light.

In some cases, an attached fluorometer (6) collects data on the water's chlorophyll content, helping researchers understand the vertical distribution of photosynthetic plankton.

Most plants rely on the C3 process, which uses carbon dioxide and fixes three - carbon compounds in a photosynthetic cycle, but a few have evolved the more efficient C4 variety, developing a competitive edge by fixing four carbons per cycle.

The emphasis here is not on survival, but on reproduction: the dull but functional photosynthetic green seems an almost insignificant background compared to the waving of riotously coloured floral genitalia.

The most abundant photosynthetic organism in the world sheds countless little sacs into the oceans, which could be having a dramatic impact on marine ecosystems, according to a new study.

«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.

The methodology is demonstrated on two model systems: the time - dependent spontaneous dissociation of photosynthetic light - harvesting antenna complexes and direct observation of DNA strands binding and unbinding in solution.

Even when studying agriculture in South Africa, he had been attracted by the science of crop protection, and his Ph.D. research on electron transport in photosynthesis was highly relevant to the industry: «Herbicides are specifically developed to work against the photosynthetic apparatus,» he explains.

«Any photosynthetic system on Europa would have to live at a depth removed from the high radiation bombarding the ice surface and still get light,» Baross says.

As most stars do not have the same distribution of light in color wavelengths as our Sun, however, some researchers hypothesize that photosynthetic life on extrasolar planets will not necessarily have the same colors as on Earth.

On the other hand, many anaerobic microbes including methanogens are easily poisoned by oxygen, and the recent discovery of banded sediments with rusted iron on Akilia Island in West Greenland suggests that oxygen - producing, photosynthetic microbes (e.g., cyanobacteria) living on the surface of wet areas to gather sunlight may have developed by the end of this geologic period (3.85 billion years ago) despite continuing bombardment from spacOn the other hand, many anaerobic microbes including methanogens are easily poisoned by oxygen, and the recent discovery of banded sediments with rusted iron on Akilia Island in West Greenland suggests that oxygen - producing, photosynthetic microbes (e.g., cyanobacteria) living on the surface of wet areas to gather sunlight may have developed by the end of this geologic period (3.85 billion years ago) despite continuing bombardment from spacon Akilia Island in West Greenland suggests that oxygen - producing, photosynthetic microbes (e.g., cyanobacteria) living on the surface of wet areas to gather sunlight may have developed by the end of this geologic period (3.85 billion years ago) despite continuing bombardment from spacon the surface of wet areas to gather sunlight may have developed by the end of this geologic period (3.85 billion years ago) despite continuing bombardment from space.

If comparatively more bluish or reddish light reaches a planet's surface than on Earth, photosynthetic plant - type life may may not be greenish in color, because such life will have evolved to different pigments in order to optimize their use of available and so color the appearance of the planet's land surfaces accordingly.

After over three billion years of evolution in the oceans, multi-cellular life — beginning with green algae, fungi, and plants (liverworts, mosses, ferns, then vascular and flowering plants)-- began adapting to land habitats by creating a new «hypersea,» and adding anomalous shades of green to Earth's coloration more than 472 million years ago (Matt Walker, BBC News, October 12, 2010; and Qiu et al, 1998 — more on the evolution of photosynthetic life and plants on Earth).

On Earth, photosynthetic plants on land tends to use relatively abundant red and more energetic blue light (moreOn Earth, photosynthetic plants on land tends to use relatively abundant red and more energetic blue light (moreon land tends to use relatively abundant red and more energetic blue light (more).

In dim habitats, alien vegetation would need more photosynthetic pigments that capture radiation in a wider range of wavelengths, which would give them a dark appearance like many dark plants and flowers on Earth (more).

Although radiation from Jupiter's magnetosphere would be harmful to life on Europa's surface down to a depth of a few centimeters, sunlight could sustain photosynthetic organisms beneath the ice to a depth of several meters.

Most photosynthetic plants on Earth use chlorophyll which absorbs blue and red light and less green light and so appears green.

Exploiting habitats that are often or mostly out of water required new symbiotic relationships to contain and move water, including the fusion of some fungi and algae to create lichen in communities with bacteria that survive extreme desiccation on land while breaking down rock into soil, and the association of mycorrhizae fungi and the root tissue of new vascular plants — culminating in trees that pump water high into the air — to exchange mineral nutrients (e.g., phosphorus) and usable «fixed» nitrogen from the atmosphere for photosynthetic products.

Given at least nine meters (roughly 30 feet) of water on the planet, photosynthetic microbes (including mats of algae, cyanobacteria, and other photosynthetic bacteria) and plant - like protoctists (such as floating seaweed or kelp forests attached to the seafloor) could be protected from «planet - scalding» ultraviolet flares produced by young red dwarf stars, according to Victoria Meadows of Caltech, principal investigator at the NASA Astrobiology Institute's Virtual Planetary Laboratory.

As proposed by Andrew Goldsworthy in 1987, cyanobacteria and later chloroplast - related protists and plants developed after microbes that used a purple pigment bacteriorhodopsin that absorbs green light dominated the oceans, and so the new photosynthetic cyanobacteria were forced to use the left - over light with chlorophyll that reflects green light, which was too complex to change even after purple - reflecting photosynthetic lifeforms were no longer dominant (Debora MacKenzie, New Scientist, September 10, 2010 — more on the evolution of photosynthetic life and plants on Earth).

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

According to Dr. Woo, they first ground up kale and spinach leaves to combine with heart tissues on petri dishes, but the photosynthetic organs of the plants became unstable and were quick to expire.

The articles, which appear in the Journal of Microbiological Methods and the Journal of Proteome Research, describe how researchers probed the photosynthetic lifestyle of R. sphaeroides on a protein level and compared their observations to those reported in published genomic analyses.

Oxygen is and has been produced by advanced photosynthetic organisms, first in the ocean and then on land.

Photosynthetic bacteria emerged on Earth more than 3 Gyr ago.

Regardless of when the cyanobacteria appeared, it is widely accepted that they comprised the predominant form of life on early earth for some two billion years, and were responsible for the creation of earth's atmospheric oxygen, consuming CO2 and releasing O2 by photosynthetic metabolism.

Objective: To understand the first steps in the evolution of photosynthetic eukaryotes and the impact plastidial endosymbioses (involving cyanobacteria or unicellular algae) had on the genomes of these organisms that are critical to the functioning of ecosystems.

Reasoning that, because it fluctuated daily, water vapour was continually recycling itself in and out of the atmosphere, he turned his attention to carbon dioxide, a gas resident for a long time in the atmosphere whose concentration was only (at that time) dramatically changed by major sources such as volcanoes or major drawdowns such as unusual and massive episodes of mineral weathering or the evolution of photosynthetic plants: events that occur on very long, geological timescales.